CN115897984A - Chimney overturning construction operation platform and device - Google Patents

Abstract

The application relates to a chimney rollover construction operating platform and a device, wherein the chimney rollover construction operating platform comprises a lifting derrick, an inner ring beam, a radiation beam, a stay cable, an outer ring beam and a supporting beam. Wherein the setting of inner circle roof beam is around promoting the derrick, and has the clearance between the two, and a plurality of radiation roof beams set up on the inner circle roof beam along circumference interval, and the one end of every radiation roof beam is all installed on the inner circle roof beam, and the inner circle roof beam extension is then kept away from to the other end, and movable mounting has a locating part on the radiation roof beam, and the top of every cable is all connected on promoting the derrick, and the locating part is then connected to the bottom, and the outer circle roof beam is installed at the radiation roof beam other end, and a supporting beam installs in the radiation roof beam below. This chimney turns over mould construction operation platform can change the radial position of cable bottom through changing the mounted position of locating part on the radiant beam, can adjust the radial position of cable bottom in the work progress in wider, higher precision to higher stability has.

Description

Chimney overturning construction operation platform and device

technical field

The present application relates to the technical field of mold-turning construction, in particular to an operation platform and device for mold-turning construction of a chimney.

Background technique

Overturning construction refers to stacking more than two molds in the vertical direction and pouring them. After each pouring, the upper mold remains unchanged, and only the lower mold is removed, and lifted to the upper mold by tower cranes and other lifting equipment. The upper part of the mold is not removed, and then poured again, so as to achieve alternate rise until reaching the designed construction height.

Compared with sliding formwork construction and climbing formwork construction, overturning formwork construction has the following advantages: the construction process is simple, the lifting of the mold can be carried out directly by lifting equipment such as tower cranes, and there is no need to be equipped with a special lifting oil pump, saving materials; the mold can be used in turnover, Cost saving, obvious economic advantages, and the pouring height can be adjusted freely; mold assembly is easy, the inner mold can be processed and assembled on site, the construction speed is fast, and the application range is wide. However, during the ascent of the operating platform, it is necessary to adjust the hanging point at the bottom of the cable according to the change in the diameter of the chimney and the height of the operating platform to prevent short-distance sliding of the cable. A section of steel bar or other profile is welded on both sides of the cable as a limit device to limit the cable to ensure the quality of its traction.

However, this limiting device will reduce the radial adjustment range of the bottom end of the cable, lower the adjustment accuracy, and is inconvenient to adjust during the construction process, reducing the stability of the operating platform.

Contents of the invention

Based on this, it is necessary to address the above technical problems and provide a chimney turning platform that has higher stability and can adjust the bottom end of the cable in a larger range and with higher precision than the traditional chimney turning platform. Chimney turning form construction operation platform and device in radial position.

A chimney overturning construction operation platform is characterized in that it includes:

a lifting derrick;

An inner ring beam is arranged around the lifting derrick with a gap between them;

A plurality of radiating beams, the plurality of radiating beams are arranged at intervals on the inner ring beam along the circumferential direction, and one end of each radiating beam is installed on the inner ring beam, and the other end is far away from the inner ring One side of the beam is extended, and a limiting member is movably installed on the radiating beam;

Multiple stay cables, the top end of each stay cable is connected to the lifting derrick, and the bottom end is connected to the stopper;

An outer ring beam installed on the end of the radiating beam away from the inner ring beam, the outer ring beam, the radiating beam and the inner ring beam form a ring structure with the center of the inner ring beam as the center;

A support beam, which is installed under the radiation beam concentrically with the inner ring beam and the outer ring beam, and the radii of the inner ring beam, the support beam and the outer ring beam increase sequentially;

Among them, the platform slab is fully paved on the ring structure formed by the outer ring beam, the radiation beam and the inner ring beam, and is hoisted by the hoisting derrick through the cable. During the construction process, the installation position of the limiter on the radiation beam is changed Then adjust the radial position of the bottom end of the dragline.

In one of the embodiments, the radiating beams include main beams and secondary beams, the number of which is the same, and they are sequentially arranged on the inner ring beam at intervals, and the limiting member is movably installed on the main beams.

In one of the embodiments, the inner ring beam and the outer ring beam are connected to the main beam by fasteners, the inner ring beam and the outer ring beam are connected to the secondary beam by binding, and the support beam is connected to the secondary beam. Both the main beam and the secondary beam are connected by binding.

In one of the embodiments, a chain hoist is provided on the cable for raising the height of the radiating beam.

In one of the embodiments, the inner ring beam is provided with a plurality of limiting members, and the plurality of limiting members are arranged symmetrically on the inner ring beam for connecting the stay cables.

In one of the embodiments, the end of the radiating beam near the outer ring beam has an outer hanger for personnel to install and disassemble the mold, and the outer periphery of the outer hanger is provided with an anti-falling net.

In one of the embodiments, a chimney overturning construction device further includes a cage, a hoist, and a mould, the mold is annularly arranged outside the outer ring beam, and has a pouring cavity inside it for pouring the chimney wall, The cage is installed inside the lifting derrick and connected with the winch.

In one embodiment, the chimney overturning construction device further includes a push rod, one end of the push rod is connected to the lifting derrick, and the other end is connected to the poured chimney wall, and the push rod is parallel to the ground.

In one of the embodiments, multiple groups of ejector rods are arranged at intervals along the vertical direction of the lifting derrick, and each group of inner ejector rods is set to four and arranged at intervals around the lifting derrick in the horizontal direction.

In one of the embodiments, the chimney overturning construction device further includes a supporting steel pipe, which is arranged on the top of the poured chimney wall and used to support the radiation beam.

The above-mentioned chimney overturning construction operation platform and device connect the two ends of each radiating beam to the inner ring beam and the outer ring beam respectively, so that the three form a ring structure, and the platform board is fully paved for workers to construct, and then The ring structure is set outside the lifting derrick, and the limit piece is installed on the radiating beam to hang the bottom end of the cable, and the top of the cable is installed on the lifting derrick, and the radiating beam, The inner ring beam and the outer ring beam are raised to the height required for construction. The chimney overturning construction operation platform and device can change the radial position of the bottom end of the cable by changing the installation position of the limiter on the radiation beam, and can adjust the cable in a larger range and with higher precision during the construction process. The radial position of the bottom end is adjusted and has higher stability.

Description of drawings

Fig. 1 is the structural representation of the chimney overturning formwork construction operating platform of an embodiment among the present application;

Fig. 2 is a partial top view of the chimney overturning construction operation platform of an embodiment in the present application;

Fig. 3 is a partial structural schematic diagram of a chimney overturning construction device according to an embodiment of the present application.

In the figure: 110, hoisting derrick; 120, inner ring beam; 130, radiation beam; 131, main beam; 132, secondary beam; 140, limit piece; 150, stay cable; 160, outer ring beam; 180, chain block; 190, outer hanger; 191, anti-falling net; 210, hanging cage; 220, mould; 230, ejector rod;

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

It should be noted that when a component is referred to as being “fixed on” or “set on” another component, it may be directly on the other component or there may also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for the purpose of illustration only and do not represent the only implementation Way.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this application, unless otherwise clearly specified and limited, a first feature is “on” or “under” a second feature, which means that the first feature is directly in contact with the second feature, or that the first feature and the second feature are indirectly contact through an intermediary. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or it just means that the first feature is higher in level than the second feature. "Below", "beneath" and "under" the first feature may mean that the first feature is directly below or obliquely below the second feature, or it just means that the level of the first feature is smaller than that of the second feature.

Unless otherwise defined, all technical and scientific terms used in the description of the present application have the same meaning as commonly understood by those skilled in the technical field of the present application. The terms used in the description of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The term "and/or" used in the specification of the present application includes any and all combinations of one or more related listed items.

As shown in Fig. 1, in one embodiment, a kind of chimney overturning construction operation platform includes lifting derrick 110, inner ring beam 120, outer ring beam 160, support beam 170, a plurality of radiation beams 130 and a plurality of stay cables 150. Specifically, the inner ring beam 120 is arranged around the hoisting derrick 110, and there is a gap between the two, and a plurality of radiation beams 130 are arranged on the inner ring beam 120 at intervals along the circumferential direction, and one end of each radiation beam 130 is installed On the inner ring beam 120, the other end extends to the side away from the inner ring beam 120, the radiating beam 130 is movably installed with a limiting member 140, the top end of each cable 150 is connected to the lifting derrick 110, and the bottom end is Connect the limiter 140, the outer ring beam 160 is installed on the end of the radiation beam 130 away from the inner ring beam 120, the support beam 170 is installed under the radiation beam 130 concentrically with the inner ring beam 120 and the outer ring beam 160, and the inner The radii of the ring beam 120 , the supporting beam 170 and the outer ring beam 160 increase sequentially.

Among them, the platform slab is fully paved on the ring structure formed by the outer ring beam 160, the radiation beam 130 and the inner ring beam 120, and is hoisted by the hoisting derrick 110 through the cable 150. The installation position on the beam 130, and then adjust the radial position of the bottom end of the cable 150.

The above-mentioned chimney overturning construction operation platform connects the two ends of each radiating beam 130 to the inner ring beam 120 and the outer ring beam 160 respectively, so that the three form a ring structure, and the platform board is fully paved for workers to construct. Then set this circular structure on the outside of the lifting derrick 110, and press and install the stopper 140 on the radiation beam 130 to hang the cable 150, and the top of the cable 150 is installed on the lifting derrick 110. The traction of 150 lifts the radiation beam 130, the inner ring beam 120 and the outer ring beam 160 to the height required for construction. The chimney turnover construction operation platform and device can change the radial position of the bottom end of the cable 150 by changing the installation position of the limiter 140 on the radiation beam 130, which can be used in a larger range and with higher precision during the construction process. The radial position of the bottom end of the cable 150 is adjusted and has higher stability.

As shown in FIG. 2 , in this embodiment, the radiating beam 130 includes a main beam 131 and a secondary beam 132 , the number of which is the same, and they are sequentially arranged on the inner ring beam 120 at intervals, and the limiting member 140 is installed on the main beam 131 . Specifically, the main beam 131 is made of No. 10 channel steel, on which a limit piece 140 is installed, which is used to hang the cable 150 to increase the height. The secondary beam 132 is made of Φ48*3 steel pipe, and every two main beams A secondary beam 132 is installed between 131, and is used for making this chimney overturning construction operation platform more stable. The quantity and specification of the main beam 131 and the secondary beam 132 can be adjusted according to actual needs.

In this embodiment, the inner ring beam 120 and the outer ring beam 160 are connected to the main beam 131 by fasteners, the inner ring beam 120 and the outer ring beam 160 are connected to the secondary beam 132 by binding, and the supporting beam 170 is connected to the main beam 131 and The secondary beams 132 are all connected by binding. Specifically, since the steel pipe length adopted by the secondary beam 132 is easy to adjust, and the fasteners are easy to connect, it can be used as scaffolding for buildings and structures on various planes and elevations. Beams 160 are connected one after another, flexible to install and easy to disassemble. The main beam 131 used to fix the limiter 140 to raise the level is connected to the inner ring beam 120 and the outer ring beam 160 through fasteners, the connection relationship is more stable, and a greater bearing capacity is provided. Since the support beam 170 supports the main beam 131 and the secondary beam 132, it can be quickly disassembled and assembled by binding, which can save time while ensuring stability.

In this embodiment, there is a chain hoist 180 on the cable 150 for raising the height of the radiation beam 130 . Specifically, the chain hoist 180 is a manual lifting machine that is easy to use and easy to carry. It has the characteristics of easy maintenance, high mechanical efficiency, small pulling force of the bracelet, light weight, easy to carry and durable. The stopper 140 on the radiating beam 130 is pulled by the hand chain hoist 180 to precisely control the height of the operating platform.

In this embodiment, a plurality of limiting members 140 are arranged on the inner ring beam 120 , and the plurality of limiting members 140 are symmetrically arranged on the inner ring beam 120 for connecting the pull cables 150 . Specifically, by setting the limiter 140 on the inner ring beam 120 and connecting the cable 150, a force close to the vertical direction can be provided to the inner ring beam 120, compared with only pulling the radiation beam 130 can play a more stable effect.

As shown in FIG. 3 , in this embodiment, the end of the radiation beam 130 close to the outer ring beam 160 has an outer hanger 190 for personnel to install and disassemble the mold 220 . Specifically, at least one outer hanger 190 is provided at the bottom of the radiation beam 130 close to the outer ring beam 160, which is used for personnel to install and disassemble the mold 220, and an anti-falling net fixed to the bottom surface of the outer ring beam 160 or the radiation beam 130 is provided. 191, so that the outer hanger 190 is covered in the inside of the anti-drop net 191, so as to prevent personnel from falling and causing casualties in case of improper operation or sudden danger.

In this embodiment, a chimney overturning construction device also includes a cage 210, a hoist (not shown in the figure) and a mold 220. The mold 220 is arranged on the outside of the outer ring beam 160 in a ring shape, and has a pouring cavity inside it. For pouring the chimney, the hanging cage 210 is installed inside the lifting derrick 110 and connected with the winch.

Specifically, more than two molds 220 are stacked in the vertical direction and poured. After each pouring, the upper mold 220 remains motionless, and only the lower mold 220 is removed and lifted to the upper surface by the outer hanger 190. Part of the top of the mold 220 was not removed, and then poured again, so as to realize alternate rises until reaching the designed construction height position, and with the elevation of the height of the mold 220, the height of the chimney turning over construction operation platform was increased at the same time, so that the height of the two Basically keep the balance. The construction workers then take the hanging cage 210 and arrive at the construction operation platform through the traction of the winch for construction.

The above-mentioned chimney overturning construction device connects the two ends of each radiating beam 130 to the inner ring beam 120 and the outer ring beam 160 respectively, so that the three form a ring structure, and the platform board is fully paved for workers to construct, and then Set this ring structure on the outside of the lifting derrick 110, and press and install the stopper 140 on the radiating beam 130 to hang the cable 150. The top of the cable 150 is installed on the lifting derrick 110. The traction of the radiation beam 130, the inner ring beam 120 and the outer ring beam 160 are lifted to the height of the mold 220, and the construction starts after the construction personnel arrive at the construction operation platform by the hanging cage 210. The chimney overturning construction device can change the radial position of the bottom end of the cable 150 by changing the installation position of the limiting member 140 on the radiation beam 130, and can adjust the cable in a larger range and with higher precision during the construction process. The radial position of the bottom end of the 150 is adjusted and has higher stability.

In this embodiment, the chimney overturning construction device further includes a push rod 230, one end of the push rod 230 is connected to the lifting derrick 110, and the other end is connected to the poured chimney wall, and the push rod 230 is parallel to the ground.

In this embodiment, multiple groups of ejector rods 230 are arranged at intervals along the vertical direction of the hoisting mast 110 , and each group of inner ejector rods 230 is set to four and arranged at intervals around the hoisting mast 110 in the horizontal direction. Specifically, the two ends of the ejector rod 230 are respectively connected to the lifting derrick 110 and the inner wall of the chimney, which can connect and fix the two. According to the construction process, multiple sets of ejector rods 230 are arranged at intervals according to the height of the mold 220, which can effectively lift the chimney and the inner wall of the chimney. Improve the stability of the derrick 110 to ensure the safety factor of the construction process.

In this embodiment, the chimney overturning construction device further includes a supporting steel pipe 240 disposed on the top of the poured chimney wall for supporting the radiation beam 130 . Specifically, a plurality of supporting steel pipes 240 are arranged at the top of the poured chimney, and the tops of the supporting steel pipes 240 support the radiating beam 130 to support the radiating beam 130 when the mold 220 is replaced, improving the stability of the device.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims (10)

1. The utility model provides a chimney rollover construction operation platform which characterized in that includes:

a hoisting derrick;

the inner ring beam is arranged around the lifting derrick, and a gap is formed between the inner ring beam and the lifting derrick;

the radiation beams are arranged on the inner ring beam at intervals along the circumferential direction, one end of each radiation beam is arranged on the inner ring beam, the other end of each radiation beam extends to one side far away from the inner ring beam, and a limiting part is movably arranged on each radiation beam;

the top end of each guy cable is connected to the lifting derrick, and the bottom end of each guy cable is connected to the limiting piece;

the outer ring beam is arranged at the end part of the radiation beam far away from the inner ring beam, and the outer ring beam, the radiation beam and the inner ring beam form a circular ring structure taking the center of the inner ring beam as the center of a circle;

the supporting beam is concentrically arranged below the radiation beam with the inner ring beam and the outer ring beam, and the radiuses of the inner ring beam, the supporting beam and the outer ring beam are sequentially increased;

wherein, full berth the landing slab on the ring structure that outer collar tie-beam, radiation beam and inner collar tie-beam formed to by promoting the derrick and pass through the cable hoist, through changing the mounted position of locating part on the radiation beam in the work progress, and then the radial position of adjustment cable bottom.

2. The chimney rollover construction operation platform according to claim 1, wherein the radiation beams include main beams and secondary beams, the number of the main beams and the secondary beams is the same, the main beams and the secondary beams are sequentially arranged on the inner ring beam at intervals, and the limiting members are movably arranged on the main beams.

3. The chimney rollover construction operation platform according to claim 2, wherein the inner ring beam and the outer ring beam are connected with the main beam through fasteners, the inner ring beam and the outer ring beam are connected with the secondary beam through binding, and the support beam is connected with the main beam and the secondary beam through binding.

4. The chimney rollover construction operation platform according to claim 3, wherein a chain block is arranged on the inhaul cable and used for lifting the height of the radiant beam.

5. The chimney rollover construction operation platform according to claim 4, wherein a plurality of limiting members are arranged on the inner ring beam, and the limiting members are symmetrically arranged on the inner ring beam and used for connecting the inhaul cable.

6. The chimney rollover construction operation platform according to any one of claims 1 to 5, wherein one end of the radiant beam close to the outer ring beam is provided with an outer hanger for personnel to mount and dismount the mould, and the outer hanger is provided with an anti-falling net on the periphery.

7. The chimney rollover construction device is characterized by comprising a suspension cage, a winch, a mold and the chimney rollover construction operation platform of claim 6, wherein the mold is annularly arranged outside the outer ring beam, a pouring cavity is formed inside the mold and used for pouring a chimney wall, and the suspension cage is installed inside the lifting derrick and connected with the winch.

8. The chimney rollover construction device according to claim 7, further comprising a jacking rod, wherein one end of the jacking rod is connected with the lifting derrick, the other end of the jacking rod is connected with the poured chimney wall, and the jacking rod is parallel to the ground.

9. The chimney rollover construction apparatus according to claim 8, wherein the plurality of groups of the ejector rods are arranged at intervals in a vertical direction of the lifting derrick, and each group of the inner ejector rods is four and arranged at intervals around the lifting derrick in a horizontal direction.

10. The chimney rollover construction device according to claim 9, further comprising a support steel pipe arranged at the top end of the poured chimney wall for supporting the radiant beam.

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