Inner and outer pipe type chimney slip form equipment

Abstract

The utility model discloses inner and outer pipe type chimney slip form equipment which comprises slip form equipment and an inner and outer pipe type chimney to be constructed, the slip form equipment is composed of an inner ring lifting platform, an outer ring lifting platform and a gallery bridge, and the inner ring lifting platform is erected on the top of an inner pipe of the inner and outer pipe type chimney. The outer ring lifting platform is erected on the top of an outer pipe of the inner and outer pipe type chimney, the inner ring lifting platform and the outer ring lifting platform are located on the same horizontal plane and communicate with each other through a gallery bridge, radiation beams are arranged on the periphery of the inner ring lifting platform, and the inner ring lifting platform is fixedly connected with the outer ring lifting platform through the radiation beams. Compared with the prior art, construction cost is reduced, the designed slip form equipment can conduct synchronous construction of the inner pipe type chimney and the outer pipe type chimney, structural connection between the inner ring lifting platform and the outer ring lifting platform is stable, stability is good during synchronous slip lifting, and the method is high in mechanization degree, high in construction speed, remarkable in comprehensive benefit and suitable for popularization and application. The method can be widely applied and popularized.

Description

Technical Field

[0001] The utility model relates to the technical field of chimney construction engineering, in particular to an inner-outer pipe type chimney sliding form equipment. Background Art

[0002] At present, some chimneys are multi-tube chimneys, which are structures. For example, the chimney of the Chengdu Wanxing Environmental Protection Power Plant Phase III project has a total height of 132m, a reinforced concrete sleeve-type exterior, and 6 smoke pipes. The inner wall of the smoke pipe is painted with 0M-5 anti-corrosion paint, and the outer wall is wrapped with 180mm thick glass wool, which is fixed with a wrapping board. The internal rectangular cylinder is equipped with a 3T elevator, which is used for regular monitoring by environmental protection department staff, and visitors can take the elevator to the sightseeing platform on the 125m floor, from which they can overlook the surrounding landscape.

[0003] The technical difficulties are:

[0004] 1. The chimney is relatively high, and a sightseeing elevator shaft is installed inside the chimney. The working space is narrow, and it is difficult to arrange the vertical transportation machinery for personnel during construction.

[0005] 2. There are many floors in the chimney, a total of 17 floors, including 12 concrete floors and 5 steel floors; the relationship between the cylinder wall slipform and the floor construction organization is complex;

[0006] 3. The chimney is very close to the nearby buildings under construction and the main construction passages of the entire site, posing a high safety risk.

[0007] Therefore, the best solution is to use the slipform device construction process, but the synchronous construction and coordination of the outer tube concrete structure and the inner tube concrete platform is difficult, and the existing slipform construction equipment is suitable for single-tube smoke flushing construction, and cannot perform synchronous construction of the outer tube chimney and the inner tube elevator shaft. Therefore, it is urgent to design a slipform device that can cope with the slipform construction of multi-tube chimneys. Utility Model Content

[0008] The purpose of the utility model is to provide an inner-outer pipe chimney sliding form device.

[0009] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a slipform device for inner-outer tube chimney, comprising a slipform device and an inner-outer tube chimney to be constructed, the inner-outer tube chimney is composed of an inner tube and an outer tube, the slipform device is composed of an inner ring lifting platform, an outer ring lifting platform and a gallery bridge, the inner ring lifting platform is erected on the top of the inner tube of the inner-outer tube chimney, the outer ring lifting platform is erected on the top of the outer tube of the inner-outer tube chimney, the inner ring lifting platform and the outer ring lifting platform are located in the same horizontal plane and are connected by a gallery bridge, the inner ring lifting platform is provided with radiating beams around it, and is connected and fixed to the outer ring lifting platform by the radiating beams.

[0010] Preferably, the inner ring lifting platform and the outer ring lifting platform are both composed of columns, jacks and platform surfaces. The columns are welded and fixed to the platform surfaces and are evenly spaced along the annular directions of the inner ring lifting platform and the outer ring lifting platform. The jacks are mounted on the columns, and diagonal bracing angles are provided between the columns and the platform surface for supporting and reinforcing.

[0011] Preferably, a main beam is erected at the bottom of the corridor bridge, and both ends of the main beam extend to the bottom of the inner ring lifting platform and the outer ring lifting platform, and are welded and fixed to the platform surface main beams of the inner ring lifting platform and the outer ring lifting platform.

[0012] Preferably, one end of the radiation beam is fixed to a column of the inner ring lifting platform, and the other end is fixed to a column of the outer ring lifting platform.

[0013] Preferably, the number of columns and jacks on the inner ring lifting platform is three times that of the outer ring lifting platform.

[0014] Preferably, a connecting buckle and three auxiliary radiating beams are provided at one end of the radiating beam away from the inner ring lifting platform, one end of the three auxiliary radiating beams is connected to the connecting buckle, and the other end is respectively connected and fixed to three groups of columns of the outer lifting platform.

[0015] Preferably, hanging scaffolds are provided under the outer ring of the inner ring lifting platform and under the inner ring and outer ring of the outer ring lifting platform, and the upper ends of the hanging scaffolds are hung on the diagonal bracing angle steels and the columns.

[0016] Preferably, the inner tube of the inner-outer tube type chimney is a square elevator shaft, the inner ring of the inner ring lifting platform is a square matching the elevator shaft, the inner ring of the inner ring lifting platform is provided with a cylindrical hanging scaffolding, and the cylindrical hanging scaffolding is hung on the inner ring column of the inner ring lifting platform.

[0017] Preferably, a square platform surface is built above the elevator shaft, and the platform surface is fixed on the inner ring columns of the inner ring lifting platform.

[0018] Preferably, it also includes inner and outer steel formworks, a ring and a gate frame adjustment beam, one end of the gate frame adjustment beam is welded to the inner and outer steel formworks, and the other end is slidably connected to the column, a locking bolt is provided between the gate frame adjustment beam and the column, and the ring is arranged along the circumference of the steel formwork and is welded and fixed to the inner and outer steel formworks.

[0019] Compared with the prior art, the advantages of the utility model are: the utility model adopts a slipform construction process, which reduces the construction cost, and the designed slipform equipment can carry out the synchronous construction of the inner and outer tube chimneys, and the structural connection between the inner ring lifting platform and the outer ring lifting platform is stable, and the stability is good during synchronous sliding, and the method has a high degree of mechanization, a fast construction speed, and significant comprehensive benefits, and can be widely adopted and promoted. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the overall structure of the sliding mode equipment of this embodiment;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the sliding form equipment of this embodiment;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the sliding mode equipment of this embodiment.

[0023] In the figure: 1. Outer ring lifting platform; 2. Inner ring lifting platform; 3. Corridor; 4. Radiating beam; 41. Connecting buckle; 42. Auxiliary radiating beam; 5. Suspension scaffolding; 6. Outer tube; 7. Inner tube; 8. Column; 9. Jack; 10. Platform surface; 11. Diagonal bracing angle steel; 12. Cylindrical suspension scaffolding; 13. Inner and outer steel formworks; 14. Gate frame adjustment beam; 15. Encirclement. DETAILED DESCRIPTION

[0024] Embodiment: The utility model will be further described below, an inner and outer tube chimney sliding form equipment, such as Figures 1 to 3 As shown, it includes a slipform device and an inner-outer-tube 6 type chimney to be constructed, the inner-outer-tube 6 type chimney is composed of an inner tube 7 and an outer tube 6, the slipform device is composed of an inner ring lifting platform 2, an outer ring lifting platform 1 and a corridor bridge 3, the inner ring lifting platform 2 is erected on the top of the inner tube 7 of the inner-outer-tube 6 type chimney, the outer ring lifting platform 1 is erected on the top of the outer tube 6 of the inner-outer-tube 6 type chimney, the inner ring lifting platform 2 and the outer ring lifting platform 1 are located in the same horizontal plane, and are connected through the corridor bridge 3, and the inner ring lifting platform 2 is provided with radiation beams 4 around it, and is connected and fixed to the outer ring lifting platform 1 through the radiation beams 4. The utility model builds an inner ring lifting platform 2 and an outer ring lifting platform 1 on the inner tube 7 and the outer tube 6 of the chimney respectively, which are used for the slipform construction of the inner tube 7 and the outer tube 6 of the chimney respectively, and connects the inner ring lifting platform 2 and the outer ring lifting platform 1 into one body through the corridor bridge 3, so as to facilitate the synchronous sliding of the inner ring lifting platform 2 and the outer ring lifting platform 1. The corridor bridge 3 can not only improve the structural strength between the inner ring lifting platform 2 and the outer ring lifting platform 1, but also serve as a personnel circulation channel between the inner ring lifting platform 2 and the outer ring lifting platform 1, as well as a transportation channel for materials and equipment. In order to make the structural stability between the inner ring lifting platform 2 and the outer ring lifting platform 1 better, a radial beam 4 is designed, and the inner ring lifting platform 2 and the outer ring lifting platform 1 are connected and reinforced by the radial beam 4, thereby improving the structural stability between the inner ring lifting platform 2 and the outer ring lifting platform 1, making it more stable during synchronous sliding, and less prone to center drift and cylinder torsion.

[0025] The inner ring lifting platform 2 and the outer ring lifting platform 1 are both composed of columns 8, jacks 9 and platform surfaces 10. The columns 8 are welded and fixed on the platform surfaces 10 and are evenly spaced along the annular directions of the inner ring lifting platform 2 and the outer ring lifting platform 1. The jacks 9 are mounted on the columns 8. A diagonal bracing angle steel 11 is provided between the columns 8 and the platform surface 10 for supporting and reinforcing. The columns 8 are the main supporting components of the lifting platform and are used for the installation and erection of the jacks 9 and the installation and fixation of the platform surface 10. The constructed platform surface 10 is supported and reinforced by the diagonal bracing angle steel 11.

[0026] As the connecting bridge between the inner ring lifting platform 2 and the outer ring lifting platform 1, the structural design of the corridor bridge 3 is very important. In order to improve the structural connection stability between the corridor bridge 3 and the inner ring lifting platform 2 and the outer ring lifting platform 1, the structure of the corridor bridge 3 is designed. A main beam is erected at the bottom of the corridor bridge 3, and both ends of the main beam extend to the bottom of the inner ring lifting platform 2 and the outer ring lifting platform 1, and are welded and fixed to the main beams of the platform surface 10 of the inner ring lifting platform 2 and the outer ring lifting platform 1. Extending the main beam at the bottom of the corridor bridge 3 to the bottom of the inner ring lifting platform 2 and the outer ring lifting platform 1 can increase the welding points of the main beam of the corridor bridge 3 and improve the bearing capacity of the main beam of the corridor bridge 3. Welding with the main beams of the platform surface 10 of the inner ring lifting platform 2 and the outer ring lifting platform 1 can connect the main beams of the inner ring lifting platform 2 and the outer ring lifting platform 1 into one, improve the structural connection strength between the inner ring lifting platform 2 and the outer ring lifting platform 1, and improve the stability during the synchronous sliding process.

[0027] One end of the radiation beam 4 is fixed on the column 8 of the inner ring lifting platform 2, and the other end is fixed on the column 8 of the outer ring lifting platform 1. The radiation beam 4 is erected between the columns 8 of the inner ring lifting platform 2 and the outer ring lifting platform 1 to further improve the structural stability between the inner ring lifting platform 2 and the outer ring lifting platform 1.

[0028] Since the area of ​​the inner ring lifting platform 2 is smaller than that of the outer ring lifting platform 1, through calculation, the number of columns 8 and jacks 9 on the inner ring lifting platform 2 is three times that of the outer ring lifting platform 1, so that synchronous lifting between the inner ring lifting platform 2 and the outer ring lifting platform 1 can be achieved.

[0029] Since the number of jacks 9 arranged on the outer ring lifting platform 1 is several times that of the inner ring lifting platform 2, the number of its columns 8 is also several times that of the inner ring lifting platform 2. In order to reduce the number of arranged radiation beams 4 and ensure that each column 8 can be evenly stressed, a connecting buckle 41 and three auxiliary radiation beams 42 are designed at the end of the radiation beam 4 away from the inner ring lifting platform 2. One end of the three auxiliary radiation beams 42 is connected to the connecting buckle 41, and the other end is respectively connected and fixed to the three groups of columns 8 of the outer lifting platform.

[0030] A hanging scaffolding 5 is provided under the outer ring of the inner ring lifting platform 2 and under the inner and outer rings of the outer ring lifting platform 1. The hanging scaffolding 5 is used to provide a convenient and safe working platform during the construction process, and can adjust the inner and outer steel formworks 13. The upper end of the hanging scaffolding 5 is hung on the diagonal bracing angle steel 11 and the column 8.

[0031] Since the inner tube 7 of the inner and outer tube 6 type chimney is a square elevator shaft, the inner ring of the inner ring lifting platform 2 is a square that matches the elevator shaft, and the inner ring of the inner ring lifting platform 2 is provided with a cylindrical hanging scaffold 12, which is hung on the inner ring column 8 of the inner ring lifting platform 2. The cylindrical hanging scaffold 12 is designed according to the structure of the inner ring lifting platform 2, so that the operator can adjust the inner steel formwork of the inner ring lifting platform 2. A square platform surface 10 is built above the elevator shaft, and the platform surface 10 is fixed on the inner ring column 8 of the inner ring lifting platform 2, so that the operator can perform steel bar bundling and concrete pouring operations on the inner ring lifting platform 2.

[0032] Since the chimney is a variable diameter structure, the pouring thickness of the chimney wall needs to be adjusted, so it also includes inner and outer steel templates 13, a ring 15 and a gate frame adjustment beam 14. One end of the gate frame adjustment beam 14 is welded to the inner and outer steel templates 13, and the other end is slidably connected to the column 8. A locking bolt is provided between the gate frame adjustment beam 14 and the column 8. The ring 15 is arranged along the circumference of the steel template and is welded and fixed to the inner and outer steel templates 13. The distance between the inner and outer steel templates 13 can be adjusted by the gate frame adjustment beam 14, so as to adjust the pouring thickness of the chimney wall.

[0033] The utility model is introduced in detail above. Specific examples are used in this article to illustrate the principle and implementation mode of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. At the same time, for ordinary technicians in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation mode and application scope. Changes and improvements to the utility model will be possible without exceeding the concept and scope specified in the attached claims. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. An inner-outer-tube chimney slipform equipment, comprising a slipform equipment and an inner-outer-tube chimney to be constructed, wherein the inner-outer-tube chimney is composed of an inner tube and an outer tube, and is characterized in that: The slipform equipment consists of an inner ring lifting platform, an outer ring lifting platform and a gallery bridge. The inner ring lifting platform is erected on the top of the inner tube of the inner-outer tube chimney, and the outer ring lifting platform is erected on the top of the outer tube of the inner-outer tube chimney. The inner ring lifting platform and the outer ring lifting platform are located in the same horizontal plane and are connected by a gallery bridge. Radial beams are provided around the inner ring lifting platform, and the inner ring lifting platform is connected and fixed to the outer ring lifting platform through the radial beams.

2. The inner-outer tube chimney sliding form equipment according to claim 1, characterized in that: The inner ring lifting platform and the outer ring lifting platform are both composed of columns, jacks and platform surfaces. The columns are welded and fixed on the platform surfaces, and are evenly spaced along the circular directions of the inner ring lifting platform and the outer ring lifting platform. The jacks are mounted on the columns, and diagonal bracing angle steels are provided between the columns and the platform surface for supporting and reinforcing.

3. The inner-outer tube chimney sliding form equipment according to claim 2, characterized in that: A main beam is erected at the bottom of the corridor bridge, and both ends of the main beam extend to the bottom of the inner ring lifting platform and the outer ring lifting platform, and are welded and fixed to the platform surface main beams of the inner ring lifting platform and the outer ring lifting platform.

4. The inner-outer pipe chimney sliding form equipment according to claim 2, characterized in that: One end of the radiation beam is fixed on the column of the inner ring lifting platform, and the other end is fixed on the column of the outer ring lifting platform.

5. The inner-outer tube chimney sliding form equipment according to claim 2, characterized in that: The number of columns and jacks on the inner ring lifting platform is three times that of the outer ring lifting platform.

6. The inner-outer tube chimney sliding form equipment according to claim 5, characterized in that: The end of the radiation beam away from the inner ring lifting platform is provided with a connecting buckle and three auxiliary radiation beams. One end of the three auxiliary radiation beams is connected to the connecting buckle, and the other end is respectively connected and fixed to three groups of columns of the outer lifting platform.

7. The inner-outer pipe chimney sliding form equipment according to claim 2, characterized in that: Suspension scaffolds are provided under the outer ring of the inner ring lifting platform and under the inner ring and outer ring of the outer ring lifting platform. The upper ends of the suspension scaffolds are hung on the diagonal bracing angle steels and the columns.

8. The inner-outer pipe chimney sliding form equipment according to claim 2, characterized in that: The inner tube of the inner-outer tube chimney is a square elevator shaft, the inner ring of the inner ring lifting platform is a square that matches the elevator shaft, and the inner ring of the inner ring lifting platform is provided with a cylindrical hanging scaffolding, which is hung on the inner ring column of the inner ring lifting platform.

9. The inner-outer pipe chimney sliding form equipment according to claim 8, characterized in that: A square platform surface is built above the elevator shaft, and the platform surface is fixed on the inner ring columns of the inner ring lifting platform.

10. The inner-outer pipe chimney sliding form equipment according to claim 1, characterized in that: It also includes inner and outer steel templates, a ring and a gate frame adjustment beam. One end of the gate frame adjustment beam is welded to the inner and outer steel templates, and the other end is slidably connected to the column. A locking bolt is provided between the gate frame adjustment beam and the column. The ring is arranged along the circumference of the steel template and is welded and fixed to the inner and outer steel templates.

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