A sliding platform device used for high-altitude edge welding of a storage tank

Abstract

The utility model discloses a kind of sliding platform devices for tank high-altitude edge welding, including with the dome radial beam of tank fixedly connected with one annular I-beam track beam, annular I-beam track beam is located at the inner wall of tank, multiple sliding platforms are connected with annular I-beam track beam, each sliding platform includes U-shaped frame structure, one lifting lug is respectively fixed on the top wall of both side flange plates of each U-shaped frame structure and close to the inboard of annular I-beam track beam, a lifting hole is opened on each lifting lug, a lower pin shaft is rotatably connected in each lifting hole, lower pin shaft is connected with a fixed shaft along by connecting device, the left and right ends of fixed shaft are respectively fixedly connected with the lower part of a connecting plate, a rail clamp is respectively connected on each connecting plate, a roller is respectively installed on the outside of the bottom plate of each sliding platform The left and right ends of front and back, roller is supported at the edge of ceiling plate. The device structure is safe and reliable, and easy to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to operation platform device, especially in kind of sliding platform device for high altitude edge welding of storage tank. BACKGROUND

[0002] When the dome and the suspended roof of the cylindrical steel storage tank are lifted from the bottom to the top by using the air floating lifting, the conical plate of the dome and the pressure ring needs to be welded and fixed on the top of the dome plate, and the circle plate of the dome radial beam and the pressure ring needs to be welded and fixed under the dome plate. Since there is no suspended roof plate in the 2m wide range of the edge under the dome plate, the height of the operation point from the ground is 30m-60m, and the commonly used tool for welding the radial beam at the dome is a vertical lifting vehicle. Due to the high operation height, the stability of the lifting vehicle is reduced, and there is a safety hazard. The walking position of the ground lifting vehicle must be ensured to be flat and free of other construction operations.

[0003] For the operation platform device for high altitude welding of the storage tank, how to be convenient, safe and economical is a difficult problem to be solved. SUMMARY

[0004] The utility model discloses a kind of sliding platform devices for high altitude welding of storage tank, which is convenient to use, reusable, and high in safety performance.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] The utility model discloses a kind of sliding platform devices for high altitude edge welding of storage tank, including with the dome radial beam of storage tank fixedly connected with one annular I-beam track beam, the annular I-beam track beam is located at the inner wall of storage tank, multiple sliding platforms are connected with annular I-beam track beam, each sliding platform includes U-shaped frame structure, one lifting lug is fixed on the top wall of the two side flange plates of each U-shaped frame structure and close to the inner side of annular I-beam track beam, a lifting hole is opened in each lifting lug, a lower pin shaft is rotatably connected in each lifting hole, the lower pin shaft is connected with a fixed shaft through a connecting device, the left and right ends of the fixed shaft are fixedly connected with the lower part of one connecting plate respectively, one rail clamp is connected on each connecting plate respectively, each rail clamp includes two pulleys, the four pulleys of two rail clamps are rotatably supported on the bottom flange plate of annular I-beam track beam and located at the left and right sides of the web of annular I-beam track beam respectively, the four pulleys can move along the circumference of the bottom flange plate, a roller is installed on the outer side of the bottom plate of each sliding platform, and the roller is supported at the edge of the suspended roof plate.

[0007] The utility model has the advantages of:

[0008] 1. It does not occupy ground space, and is fixed at an aerial operation point, not restricted by various factors on the ground.

[0009] 2. It has strong safety performance, is connected and fixed by two rail clamps and a ring-shaped rail beam, and is supported on a ceiling panel by two rollers, and has a safe and reliable structure.

[0010] 3. It is convenient to use, can enter the ceiling from a manhole on the tank top, and the operation platform is connected with the ceiling, so that the operation platform can be directly entered on the ceiling. After the point is constructed, the platform can be pushed on the ceiling, and the platform can slide to another construction point along the rail beam. It is convenient to operate, saves time and labor.

[0011] 4. It has good economic performance, has low cost, saves a large amount of mechanical shift cost compared with a construction lifting vehicle, and can be cyclically constructed, so that the use cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective view of a sliding platform device for a high-altitude welding of a storage tank. DETAILED DESCRIPTION

[0013] The utility model will be described in detail in combination with the drawings and specific embodiments.

[0014] As shown in the drawings, Figure 1 A sliding platform device for a high-altitude edge welding of a storage tank, comprising a ring-shaped I-beam rail beam 1 fixedly connected with a storage tank dome radial beam, the ring-shaped I-beam rail beam 1 is located at the inner wall of the storage tank, a plurality of sliding platforms are connected with the ring-shaped I-beam rail beam, each sliding platform comprises a U-shaped frame structure, a lifting lug 3 is fixed on the top wall 2 of the flange plate on the two sides of each U-shaped frame structure and close to the inner side of the ring-shaped I-beam rail beam, a lifting hole is formed in each lifting lug 3, a lower pin shaft 4 is rotatably connected in each lifting hole, the lower pin shaft is connected with a fixed shaft 5 through a connecting device, the left and right ends of the fixed shaft 5 are fixedly connected with the lower part of a connecting plate 6 respectively, a rail clamp is connected on each connecting plate, each rail clamp comprises two pulleys 7, the four pulleys of the two rail clamps are rotatably supported on the bottom flange plate of the ring-shaped I-beam rail beam 1 and are located on the left and right sides of the web of the ring-shaped I-beam rail beam respectively, and the four pulleys can move along the circumference of the bottom flange plate.

[0015] As an embodiment of the utility model, the connecting device comprises an interlocking ring 8, the ring hole of the uppermost ring of the interlocking ring 8 is connected with the ring sleeve of the fixed shaft 5, the ring hole of the lowermost ring of the interlocking ring is rotatably connected with one end of the lower pin shaft and locking nuts are fixed on the two ends of the lower pin shaft respectively.

[0016] Two rollers 9 are installed on the outer side of the base plate of each sliding platform, which can be hard rubber rollers, supported at the edge of the suspended ceiling plate 10, and the U-shaped frame structure is completed.

[0017] There are four pulleys 7 on each rail clamp, and the U-shaped frame can move along the circular I-beam track. The web of the U-shaped frame structure provides a standing place for the construction workers. The sliding platform device is supported at one end on the edge of the suspended ceiling plate 10 and connected at the other end to the circular I-beam track 1 around the edge of the tank top, fixed at the work point.

[0018] The use of the device is as follows:

[0019] After the U-shaped frame structure of the sliding platform device is welded, two hard rubber rollers 9 are installed at the bottom of the frame, and the rail clamps are installed on the circular track beam. One end of the sliding platform device is connected to the rail clamp, and the other end is supported on the suspended ceiling plate 10, with a firm and reliable structure. The construction workers perform welding operations inside the device, and after the welding at this point is completed, the construction workers retreat to the suspended ceiling plate and push the platform device along the circular track beam to another work point for continuous construction.

Claims

1. A sliding platform device for high-altitude edge welding of storage tanks, characterized in that: The system includes a ring-shaped I-beam track beam (1) fixedly connected to the radial beam of the tank dome. The ring-shaped I-beam track beam is located on the inner wall of the tank. Multiple sliding platforms are connected to the ring-shaped I-beam track beam. Each sliding platform includes a U-shaped frame structure. On the top wall (2) of each side flange of the U-shaped frame structure and near the inner side of the ring-shaped I-beam track beam, a lifting lug (3) is fixed. A lifting hole is opened on each lifting lug, and a lower pin shaft (4) is rotatably connected in each lifting hole. The lower pin shaft is connected to a fixed axis (5) through a connecting device. The fixed shaft is connected to the lower part of a connecting plate (6) at both ends. A rail clamp is connected to each connecting plate. Each rail clamp includes two pulleys (7). The four pulleys of the two rail clamps are rotatably supported on the bottom flange plate of the annular I-beam rail beam and are located on the left and right sides of the web of the annular I-beam rail beam. The four pulleys can move around the bottom flange plate. A roller (9) is installed at the front and rear ends of the outer side of the bottom plate of each sliding platform. The roller is supported at the edge of the ceiling plate (10).

2. The sliding platform device for high-altitude edge welding of storage tanks according to claim 1, characterized in that: The connecting device includes an interlocking ring. The annular hole of the uppermost ring of the interlocking ring is connected to the fixed shaft sleeve, and the annular hole of the lowermost ring of the interlocking ring is rotatably connected to one end of the lower pin sleeve. Locking nuts are fixed at both ends of the lower pin.

3. The sliding platform device for high-altitude edge welding of storage tanks according to claim 1 or 2, characterized in that: The roller is a hard rubber roller.

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