Low-pressure inner cylinder mounting platform

Abstract

The utility model discloses a low-pressure inner cylinder mounting platform which comprises two platform main bodies, and each platform main body comprises two platform units; wherein each platform unit comprises a supporting plate body, a plurality of supporting cross beams, a plurality of supporting longitudinal beams, a plurality of lifting lugs and a plurality of pin shafts, the supporting cross beams and the supporting longitudinal beams are connected to form a supporting frame, the supporting plate body is provided with a manhole, the supporting plate body and the lifting lugs are installed on the supporting frame, and the pin shafts are connected with the supporting frame. The multiple pin shafts are connected with the low-pressure inner cylinder. Through the application of the low-pressure inner cylinder installation platform, installation is faster and firmer, the standardization degree is high, the situation that safety measures are not in place due to the fact that procedures are tedious or the site environment is limited in the actual assembling process of a scaffold is avoided, operation safety is improved, and the work efficiency is improved. And during construction of a plurality of units on the same site, rapid transition can be achieved, scaffolds do not need to be built again, and working hours are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering construction, in particular to a low-pressure inner cylinder installation platform. Background Art

[0002] When installing and constructing a large steam turbine low-pressure cylinder such as in a power station, generally, the method of erecting a scaffolding platform on-site is adopted to complete the project construction. The cross bars and vertical bars of the scaffolding directly use the low-pressure cylinder body of the steam turbine as a support, and a gangplank is laid on the cross bars for construction workers to walk. The installation process of the low-pressure cylinder of the steam turbine involves multiple different stages, the on-site environment changes greatly, and there are dangerous scenarios such as the repeated high-altitude edge operations during the disassembly and assembly of the scaffolding and the installation of the low-pressure cylinder. Moreover, the structure of the low-pressure cylinder body of the steam turbine itself is complex, there are fewer support points available for erecting the scaffolding, and the repeated disassembly and assembly of the scaffolding takes a long time, affecting the construction efficiency. Content of the Utility Model

[0003] In view of this, to solve the above problems, the purpose of the utility model is to provide a low-pressure inner cylinder installation platform, including:

[0004] Two platform bodies, the two platform bodies are symmetrically installed at the upper end of the low-pressure inner cylinder, and each platform body includes two platform units, and one ends of the two platform units are connected to each other;

[0005] Wherein, each platform unit includes: a support plate body, a plurality of support cross beams, a plurality of support longitudinal beams, a plurality of lifting lugs and a plurality of pin shafts. The plurality of support cross beams are arranged in parallel, the length direction of the plurality of support cross beams is arranged along a first direction, the plurality of support longitudinal beams are arranged in parallel, the length direction of the plurality of support longitudinal beams is arranged along a second direction, the first direction and the second direction are perpendicular to each other, the plurality of support cross beams and the plurality of support longitudinal beams are connected and arranged to form a support frame, a plurality of manholes are opened on the upper surface of the support plate body, the support plate body and the plurality of lifting lugs are both installed on the upper surface of the support frame, the upper ends of the plurality of pin shafts are connected to the support frame, and the lower ends of the plurality of pin shafts are connected to the upper end of the low-pressure inner cylinder.

[0006] In another preferred embodiment, it further includes: a plurality of fixing seats, the plurality of fixing seats are all installed at the upper end of the low-pressure inner cylinder, each fixing seat has a fixing hole, and the lower end of each pin shaft is installed in a corresponding fixing hole.

[0007] In another preferred embodiment, it further includes: a plurality of diagonal rods, and both ends of each diagonal rod are connected to two adjacent support longitudinal beams.

[0008] In another preferred embodiment, it further includes: a plurality of ladders, and the upper end of each ladder is installed in a corresponding manhole.

[0009] In another preferred embodiment, it further includes: a plurality of side plates and a plurality of end plates. The plurality of side plates and the plurality of end plates together form an enclosing plate. The enclosing plate is arranged in a "U" shape. The lower end of the enclosing plate is installed on the upper end of the low-pressure inner cylinder, and the enclosing plate is arranged around the outer edge of the platform body.

[0010] In another preferred embodiment, it further includes: a plurality of columns. The upper ends of the plurality of columns are installed on the lower surface of the support frame, and the lower ends of the plurality of columns are installed on the low-pressure inner cylinder.

[0011] In another preferred embodiment, it further includes: a plurality of connecting bolts. An installation plate is formed by extending radially outward at the upper end of each column. A plurality of first bolt holes are formed in the installation plate, and a plurality of second bolt holes are formed in the lower surface of the support frame. One end of each connecting bolt sequentially passes through a corresponding first bolt hole and extends into a corresponding second bolt hole.

[0012] Due to the adoption of the above technical solution, the positive effects of the present utility model compared with the prior art are as follows: By applying the present utility model, a low-pressure inner cylinder installation platform is provided, which is installed more quickly and firmly, has a high degree of standardization, avoids the situation of inadequate safety measures caused by cumbersome procedures or site environment constraints during the actual assembly of the scaffolding, improves the operation safety, can quickly transfer sites during the construction of multiple units at the same site, and does not require re-erecting the scaffolding, thus saving working hours. Description of the Drawings

[0013] Figure 1 It is a top view of a low-pressure inner cylinder installation platform of the present utility model;

[0014] Figure 2 It is an installation side view of a low-pressure inner cylinder installation platform of the present utility model;

[0015] Figure 3 It is an installation top view of a low-pressure inner cylinder installation platform of the present utility model.

[0016] In the drawings: 1. Platform body; 2. Support cross beam; 3. Support longitudinal beam; 4. Lifting lug; 5. Pin shaft; 6. Support plate body; 7. Manhole; 8. Fixed seat; 9. Diagonal rod; 10. Ladder; 11. Side plate; 12. End plate. Detailed Embodiments

[0017] The present utility model will be further described below in conjunction with the drawings and specific embodiments, but it is not limited to the present utility model.

[0018] Such as Figures 1 to 3As shown in the figure, a low-pressure inner cylinder installation platform of a preferred embodiment is shown, including:

[0019] Two platform bodies 1 are symmetrically installed at the upper end of the low-pressure inner cylinder. Each platform body 1 includes two platform units, and one ends of the two platform units are connected to each other;

[0020] Wherein, each platform unit includes: a support plate body 6, a plurality of support cross beams 2, a plurality of support longitudinal beams 3, a plurality of lifting lugs 4 and a plurality of pin shafts 5. The plurality of support cross beams 2 are arranged in parallel with each other, the length direction of the plurality of support cross beams 2 is arranged along a first direction, the plurality of support longitudinal beams 3 are arranged in parallel with each other, the length direction of the plurality of support longitudinal beams 3 is arranged along a second direction, the first direction and the second direction are arranged perpendicular to each other. The plurality of support cross beams 2 and the plurality of support longitudinal beams 3 are connected and arranged to form a support frame. A plurality of access holes 7 are formed on the upper surface of the support plate body 6. The support plate body 6 and the plurality of lifting lugs 4 are both installed on the upper surface of the support frame. The upper ends of the plurality of pin shafts 5 are connected to the support frame, and the lower ends of the plurality of pin shafts 5 are connected to the upper end of the low-pressure inner cylinder.

[0021] During actual use, the support frame formed by the plurality of support cross beams 2 and the plurality of support longitudinal beams 3 is hoisted onto the low-pressure inner cylinder through the plurality of lifting lugs 4, and the support frame is fixed through the plurality of pin shafts 5. Then, the support plate body 6 is placed on the support frame. When it is necessary to transfer the support frame, the support plate body 6 is removed, and then the support frame is removed from the low-pressure inner cylinder, which is convenient and fast.

[0022] Furthermore, as a preferred embodiment, the number of the support plate bodies 6 is several, and the several support plate bodies 6 are all installed on the upper surface of the support frame. Further, the number of the support plate bodies 6 is several, which is convenient for placement and removal, and the installation is convenient and fast.

[0023] Furthermore, as a preferred embodiment, it further includes: a plurality of fixing seats 8, the plurality of fixing seats 8 are all installed on the upper end of the low-pressure inner cylinder. Each fixing seat 8 has a fixing hole, and the lower end of each pin shaft 5 is installed in a corresponding fixing hole. Further, through the connection or detachment of the pin shaft 5 and the fixing seat 8, the support frame is installed or disassembled, which is convenient and fast.

[0024] Furthermore, as a preferred embodiment, it further includes: a plurality of diagonal rods 9, and both ends of each diagonal rod 9 are connected to two adjacent support longitudinal beams 3. Further, the two adjacent support longitudinal beams 3 are connected through the plurality of diagonal rods 9 to improve the stability and firmness of the support frame.

[0025] Further, as a preferred embodiment, it further includes: a plurality of ladders 10, and the upper end of each ladder 10 is installed in a corresponding manhole 7. Further, by providing the ladders 10, it is convenient for the staff to pass through the manholes 7. Furthermore, a cover plate is rotatably installed on the inner wall at one end of each manhole 7, and the cover plate can be operably opened or closed to the manhole 7 to ensure the walking safety of the staff on the support plate body 6.

[0026] Further, as a preferred embodiment, it further includes: a plurality of side plates 11 and a plurality of end plates 12. The plurality of side plates 11 and the plurality of end plates 12 together form an enclosure. The enclosure is arranged in a "U" shape, and the lower end of the enclosure is installed on the upper end of the low-pressure inner cylinder. The enclosure is arranged around the outer edge of the platform main body 1. Further, the enclosure is used to ensure the walking safety of the staff.

[0027] Further, as a preferred embodiment, it further includes: a plurality of columns. The upper ends of the plurality of columns are installed on the lower surface of the support frame, and the lower ends of the plurality of columns are installed on the low-pressure inner cylinder. Further, by providing the columns to support the support frame, the stability of the support frame is ensured. Furthermore, there are a plurality of protrusions on the outer wall of the low-pressure inner cylinder, and the lower ends of the columns are installed on the protrusions. Specifically, it further includes a plurality of mounting bolts. The protrusion has a mounting plane, and a plurality of first mounting holes are provided in the mounting plane. The lower end of the column extends radially outward to form an extension plate, and a plurality of second mounting holes are provided in the extension plate. The lower end of each mounting bolt sequentially passes through a corresponding second mounting hole and extends into a corresponding first mounting hole.

[0028] Further, as a preferred embodiment, it further includes: a plurality of connecting bolts. The upper end of each column extends radially outward to form a mounting plate, and a plurality of first bolt holes are provided in the mounting plate. A plurality of second bolt holes are provided in the lower surface of the support frame. One end of each connecting bolt sequentially passes through a corresponding first bolt hole and extends into a corresponding second bolt hole. Further, by connecting the columns and the support frame with the connecting bolts, it is convenient for installation and disassembly and ensures the stability of the support frame.

[0029] The above are only the preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be able to realize that all the equivalent replacements and obvious changes made by using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-pressure inner cylinder installation platform, characterized in that, Including: Two platform bodies, the two platform bodies are symmetrically installed at the upper end of the low-pressure inner cylinder, each platform body includes two platform units, and one ends of the two platform units are connected to each other; Wherein, each platform unit includes: a support plate body, a plurality of support cross beams, a plurality of support longitudinal beams, a plurality of lifting lugs and a plurality of pin shafts. The plurality of support cross beams are arranged parallel to each other, the length direction of the plurality of support cross beams is arranged along a first direction, the plurality of support longitudinal beams are arranged parallel to each other, the length direction of the plurality of support longitudinal beams is arranged along a second direction, the first direction and the second direction are arranged perpendicular to each other. The plurality of support cross beams and the plurality of support longitudinal beams are connected and form a support frame. A plurality of access holes are formed on the upper surface of the support plate body. The support plate body and the plurality of lifting lugs are both installed on the upper surface of the support frame. The upper ends of the plurality of pin shafts are connected to the support frame, and the lower ends of the plurality of pin shafts are connected to the upper end of the low-pressure inner cylinder.

2. The low-pressure inner cylinder installation platform according to claim 1, characterized in that, Also including: A plurality of fixing seats, the plurality of fixing seats are all installed on the upper end of the low-pressure inner cylinder, each fixing seat has a fixing hole, and the lower end of each pin shaft is installed in a corresponding fixing hole.

3. The low-pressure inner cylinder installation platform according to claim 1, wherein Also including: A plurality of diagonal rods, both ends of each diagonal rod are connected to two adjacent support longitudinal beams.

4. The low-pressure inner cylinder installation platform according to claim 1, characterized in that Also including: A plurality of ladders, the upper end of each ladder is installed in a corresponding access hole.

5. The low-pressure inner cylinder installation platform according to claim 1, characterized in that Also including: A plurality of side plates and a plurality of end plates, the plurality of side plates and the plurality of end plates together form an enclosing plate, the enclosing plate is arranged in a "U" shape, the lower end of the enclosing plate is installed on the upper end of the low-pressure inner cylinder, and the enclosing plate is arranged around the outer edge of the platform body.

6. The low-pressure inner cylinder installation platform according to claim 1, wherein, Also including: A plurality of columns, the upper ends of the plurality of columns are installed on the lower surface of the support frame, and the lower ends of the plurality of columns are installed on the low-pressure inner cylinder.

7. The low-pressure inner cylinder installation platform according to claim 6, characterized in that Also including: A plurality of connecting bolts, one end of each column extends radially outward to form a mounting plate, a plurality of first bolt holes are formed in the mounting plate, a plurality of second bolt holes are formed in the lower surface of the support frame, and one end of each connecting bolt sequentially passes through a corresponding first bolt hole and extends into a corresponding second bolt hole.

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