CN215057074U - Spiro union platform staircase for boiler - Google Patents
Spiro union platform staircase for boiler Download PDFInfo
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- CN215057074U CN215057074U CN202022959853.1U CN202022959853U CN215057074U CN 215057074 U CN215057074 U CN 215057074U CN 202022959853 U CN202022959853 U CN 202022959853U CN 215057074 U CN215057074 U CN 215057074U
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Abstract
The utility model discloses a spiro union platform staircase for boiler, including platform, staircase and support, the staircase is fixed to be set up in the support upper end, platform both sides and staircase fixed connection, support one side is fixed to be set up in the stand outside, the platform includes grid plate and channel-section steel frame, the grid plate sets up in channel-section steel frame upper end, the grid plate is connected through platform fixing bolt and set nut with the channel-section steel frame all around, the grid plate is inside to be connected through the angle steel of fixed joint subassembly in with the channel-section steel frame, the staircase includes channel-section steel frame and footboard grid, footboard grid lateral wall is fixed through the fixed spiro union of footboard with the channel-section steel frame. The utility model has the advantages of be connected grid plate and channel steel frame, footboard and staircase through bolted connection mode and fix, both reduced the loss that the welding caused to the galvanizing coat, promoted the convenience of installation and follow-up maintenance dismouting simultaneously, overall structure is simpler.
Description
Technical Field
The utility model relates to a boiler platform staircase technical field, in particular to spiro union platform staircase for boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler has chemical energy in fuel, electric energy, the boiler outputs steam with certain heat energy, high-temperature water or an organic heat carrier, the hot water or the steam generated in the boiler can directly provide heat energy required by industrial production and people's life, the steam can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into the electric energy through a generator, the boiler is mainly used for thermal power stations, ships, locomotives and industrial and mining enterprises, generally has an escalator and is used for people to overhaul, along with the continuous development of economy, the application range of the boiler is continuously expanded, and great convenience is brought to people.
However, in the prior art, the design of the boiler escalator has disadvantages, because the grid plate in the platform and the channel steel frame are generally welded and fixed, but the galvanized layer is easily lost by welding, paint repair is troublesome, the welding mode adopted by the pedals and the escalator is not beneficial to subsequent disassembly, assembly and maintenance, and installation is also troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spiro union platform staircase for boiler.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a spiro union platform staircase for boiler, its characterized in that, includes platform, staircase and support, the staircase is fixed to be set up in the support upper end, platform both sides and staircase fixed connection, support one side is fixed to be set up in the stand outside, the platform includes grid plate and channel-section steel frame, the grid plate sets up in channel-section steel frame upper end, the grid plate is connected through platform fixing bolt with the channel-section steel frame all around, the grid plate is inside to be connected through the angle steel of fixed joint subassembly in with the channel-section steel frame, the staircase includes channel-section steel frame and footboard grid, footboard grid lateral wall is fixed through the fixed spiro union of footboard with the channel-section steel frame.
Preferably, the upper ends of the inner grids on the two sides of the middle part of the grid plate are also provided with square eccentric positioning gaskets in an attaching mode, the square eccentric positioning gaskets are embedded in the inner grids on the side edges of the grid plate, positioning nuts are arranged on the square eccentric positioning gaskets, and the positioning nuts are in threaded connection with the platform fixing bolts.
Preferably, three sides of the square eccentric positioning gasket are abutted against the grid plate, and a screw hole at the inner edge of the channel steel frame has the same hole diameter as that of the screw hole of the square eccentric positioning gasket.
Preferably, the fixed clamping assembly comprises an elbow bolt and a fixed clamping nut, the elbow part at the top of the elbow bolt is clamped at the upper end of the grid in the grid plate, an external thread is arranged at the bottom of the elbow bolt, and the bottom of the elbow bolt penetrates through an angle steel in the channel steel frame and is in threaded connection with the fixed clamping nut.
Preferably, the pedal fixing bolts are distributed in a parallelogram shape and fixedly connected with the side wall of the pedal grid frame and the channel steel frame.
Preferably, the whole formula steel sheet as an organic whole of support, both sides outwards buckle formation reinforcing groove about the integral type steel sheet, integral type steel sheet one side and the fixed welding in the stand outside, the spiral shell plate spiro union is passed through to integral type steel sheet opposite side.
Preferably, the trapezoidal folded plate is arranged on the inner side of the integrated steel plate, and the trapezoidal folded plate is bent outwards and is respectively fixedly connected with the two sides of the integrated steel plate in a threaded manner.
Preferably, the grid plates are provided with a plurality of grid plates which are respectively spliced and fixed at the upper end of the channel steel frame, and the adjacent grid plates are fixedly connected to the channel steel frame through U-shaped stud bolts and clamping plates.
To sum up, the beneficial effects of the utility model are that: grid plate and channel steel frame, channel steel frame and footboard grid are connected fixedly through bolted connection mode, have both reduced the loss that the welding caused to the galvanizing coat, have promoted the convenience of installation and follow-up maintenance dismouting simultaneously, and the bracket adopts numerical control unloading bending integrated into one piece, and overall structure is simpler.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of a specific connection structure of the platform in the present invention;
fig. 3 is a schematic structural diagram of the bracket of the present invention;
FIG. 4 is a side view of the integrated steel plate of the present invention;
fig. 5 is a top view of the trapezoidal folded plate of the present invention.
Detailed Description
The following description will be further described with reference to the accompanying drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 5, the spiral-connection platform staircase for the boiler comprises a platform 1, a staircase 2 and a support 3, wherein the staircase 2 is fixedly arranged at the upper end of the support 3, two sides of the platform 1 are fixedly connected with the staircase 2, one side of the support 3 is fixedly arranged at the outer side of an upright post 4, the platform 1 comprises a grid plate 11 and a channel steel frame 12, the grid plate 11 is arranged at the upper end of the channel steel frame 12, the peripheries of the grid plate 11 and the channel steel frame 12 are in spiral connection through a platform fixing bolt 13 and a positioning nut 16, the interior of the grid plate 11 is connected with an angle steel 15 in the channel steel frame 12 through a fixing clamping component, the staircase 2 comprises a channel steel frame 21 and a pedal grid 22, the side wall of the pedal grid 22 is connected with the channel steel frame 21 through a pedal fixing bolt 23, the pedal fixing bolt 23 is distributed in a parallelogram shape and is fixedly connected with the side wall of the pedal grid 22 and the channel steel frame 21, the steel plate on the side wall of the pedal grid 22 is widened so as to ensure that the strength of the steel plate is unchanged after drilling.
Grid upper end laminating in the middle part both sides of grid plate 11 is provided with square eccentric positioning packing ring 14, square eccentric positioning packing ring 14 is embedded in the grid in the side of grid plate 11, square eccentric positioning packing ring 14 is trilateral near with grid plate 11, the border screw hole is the same with square eccentric positioning packing ring 14 aperture in channel steel frame 12, sets up set nut 16 on the square eccentric positioning packing ring 14, set nut 16 and platform fixing bolt 13 spiro union guarantee that square eccentric positioning packing ring 14 is fixed back with platform fixing bolt 13, can not produce the displacement between channel-section steel frame 12 and the grid plate 11, connect more stably.
The fixed clamping assembly comprises an elbow bolt 18 and a fixed clamping nut 17, the elbow part at the top of the elbow bolt 18 is clamped at the upper end of a grid in the grid plate 11, an external thread is arranged at the bottom of the elbow bolt 18, the bottom of the elbow bolt 18 penetrates through an angle steel 15 in the channel steel frame 12 and is in threaded connection with the fixed clamping nut 17, the grid plate 11 is provided with a plurality of pieces which are respectively spliced and fixed at the upper end of the channel steel frame 12, and the adjacent grid plates 11 are fixedly connected to the channel steel frame 12 through the elbow bolt 18 and the fixed clamping nut 17.
The whole formula steel sheet 31 as an organic whole of support 3, integral type steel sheet 31 adopts numerical control unloading integrated into one piece, the outside bending type in both sides forms the stiffening groove about integral type steel sheet 31, integral type steel sheet 31 one side and the fixed welding in the stand outside, trapezoidal folded plate 32 spiro union is passed through to integral type steel sheet 31 opposite side, and trapezoidal folded plate 32 sets up in integral type steel sheet 31 inboard, trapezoidal folded plate 32 outwards buckles respectively with the fixed spiro union in integral type steel sheet 31 both sides form wholly to plug 3 other end bayonets of support, bearing capacity is stronger.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications or equivalent substitutions within the spirit and scope of the present invention, and such modifications or equivalent substitutions should also be considered as falling within the scope of the present invention.
Claims (8)
1. The utility model provides a spiro union platform staircase for boiler, its characterized in that includes platform, staircase and support, the staircase is fixed to be set up in the support upper end, platform both sides and staircase fixed connection, support one side is fixed to be set up in the stand outside, the platform includes grid plate and channel-section steel frame, the grid plate sets up in channel-section steel frame upper end, the grid plate is connected through platform fixing bolt and set nut with the channel-section steel frame all around, the grid plate is inside to be connected through the angle steel of fixed joint subassembly in with the channel-section steel frame, the staircase includes channel-section steel frame and footboard grid, footboard grid lateral wall passes through footboard fixing bolt with the channel-section steel frame and fixes.
2. The bolted platform escalator for boilers of claim 1, characterized by: the grid plate is characterized in that square eccentric positioning gaskets are further attached to the upper ends of the inner grids on the two sides of the middle of the grid plate and embedded into the inner grids on the side edges of the grid plate, positioning nuts are arranged on the square eccentric positioning gaskets, and the positioning nuts are in threaded connection with the platform fixing bolts.
3. The bolted platform escalator for boilers of claim 2, characterized by: three sides of the square eccentric positioning gasket are abutted against the grid plate, and the screw hole at the inner side of the channel steel frame is the same as the screw hole of the square eccentric positioning gasket in aperture.
4. The bolted platform escalator for boilers of claim 1, characterized by: the fixed clamping assembly comprises an elbow bolt and a fixed clamping nut, the elbow part at the top of the elbow bolt is clamped at the upper end of a grid in the grid plate, the bottom of the elbow bolt is provided with external threads, and the bottom of the elbow bolt penetrates through an angle steel in the channel steel frame and is in threaded connection with the fixed clamping nut.
5. The bolted platform escalator for boilers of claim 1, characterized by: the pedal fixing bolts are distributed in a parallelogram shape and are fixedly connected with the side wall of the pedal grid frame and the channel steel frame.
6. The bolted platform escalator for boilers of claim 1, characterized by: the support is the integral type steel sheet, both sides outwards buckle formation reinforcing groove about the integral type steel sheet, integral type steel sheet one side and stand outside fixed weld, the integral type steel sheet opposite side is through trapezoidal folded plate spiro union.
7. The bolted platform escalator for boilers of claim 6, characterized by: trapezoidal folded plate sets up in integral type steel sheet inboard, trapezoidal folded plate outwards buckle respectively with the fixed spiro union in integral type steel sheet both sides.
8. The bolted platform escalator for boilers according to claim 1 or 4, characterized in that: the grid plates are provided with a plurality of grid plates which are respectively spliced and fixed at the upper end of the channel steel frame, and the adjacent grid plates are fixedly connected to the channel steel frame through U-shaped stud bolts and clamping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959853.1U CN215057074U (en) | 2020-12-11 | 2020-12-11 | Spiro union platform staircase for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959853.1U CN215057074U (en) | 2020-12-11 | 2020-12-11 | Spiro union platform staircase for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215057074U true CN215057074U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022959853.1U Active CN215057074U (en) | 2020-12-11 | 2020-12-11 | Spiro union platform staircase for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215057074U (en) |
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2020
- 2020-12-11 CN CN202022959853.1U patent/CN215057074U/en active Active
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