CN214359861U - Offshore platform turbine air inlet filter changes hoist device - Google Patents

Abstract

The utility model provides a hoisting device is changed to offshore platform turbine air inlet filter, including support frame, trachea direction rope, guide rail, mounting, pneumatic coaster and air-operated hoist, the support frame includes bed plate, extra long stand, the portal that sets gradually from bottom to top, the both ends of guide rail with portal fixed connection, the trachea sets up on the support frame, tracheal end with pneumatic coaster connects, pneumatic coaster sets up on the guide rail, and can follow the guide rail slides. The utility model discloses a sectional type design can be according to the size of each part of the corresponding adjustment of turbine unit of difference to satisfy different turbine unit uses, strong adaptability, this utility model can be fine solution turbine unit air inlet filter hoist and mount problem.

Description

Offshore platform turbine air inlet filter changes hoist device

Technical Field

The utility model relates to a technical field of offshore platform gas turbine, more specifically relates to a hoist device is changed to offshore platform turbine air inlet filter.

Background

The offshore platform gas turbine unit is a heart produced by a platform and directly conveys electric energy to each system of the platform, and whether the turbine unit can work normally is directly related to whether the platform can produce normally. In the actual production process, there are many factors that affect the normal operation of the turbine assembly, wherein the air intake system of the assembly is a very important point that provides the clean, steady flow of air required for combustion by the turbine. For the unit, when the quality of the inlet air is not well controlled, water, salt fog and small solid particles entering the unit can corrode, deposit and corrode parts in the unit, and the normal operation and the service life of the unit are affected.

In order to ensure the filtering effect of the air inlet system of the unit, the air inlet filter of the air inlet system of the turbine unit is replaced by the offshore platform every half year. The air intake system consists of two filters (a cable-drawn air filter and a cable-drawn internal filter), wherein the size of a single air filter is 592 and 592 mm and 292mm, the weight of the single air filter is about 100KG, the number of the filters replaced each time is 120, and the method frequently adopted by a turbine unit maintenance worker when replacing the air filter is adopted: firstly, a wear-resistant rope is utilized to bind a filter to be replaced on a deck, a plurality of persons on the deck combine to lift the filter, and two persons pull the rope upwards on a two-layer maintenance platform.

Therefore, a technical solution for saving manpower, improving work efficiency and enhancing safety is needed in the prior art.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a hoist device is changed to offshore platform turbine air inlet filter.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a hoisting device for replacing an air inlet filter of a turbine of an offshore platform comprises a support frame, an air pipe guide rope, a guide rail, a fixing piece, a pneumatic pulley and a pneumatic hoist, wherein the support frame comprises a base plate, a lengthened upright post and a portal frame which are sequentially arranged from bottom to top; the trachea direction rope has the elasticity, trachea direction rope level sets up on the portal, and with the guide rail is parallel, the fixed setting of one end of trachea direction rope is in on the portal, the other end winding the trachea and with mounting fixed connection, the mounting with portal fixed connection, pneumatic hoist is hung and is established the pneumatic coaster lower extreme, just the lower extreme of pneumatic hoist is connected with the couple.

The two ends of the guide rail are located at the lower end of the door frame, a fixing part is further arranged at the upper end of the door frame, bolt holes are formed in the corresponding positions of the fixing part, the door frame and the guide rail, bolts are inserted in the bolt holes and are screwed down through locking nuts, and the fixing part, the door frame and the guide rail are fixedly connected with one another.

The bottom of the lengthened upright post is provided with a supporting plate, the supporting plate is fixedly connected with the base plate through bolts, and the lengthened upright post is fixedly connected with the portal frame through a welding mode.

Reinforcing ribs are further arranged around the bottom of the lengthened upright post, the bottom edges of the reinforcing ribs are welded with the supporting plate, and the vertical edges of the reinforcing ribs are welded with the lengthened upright post.

The portal frame is provided with a lifting lug, and four-limb sling sets are installed on the lifting lug.

The utility model discloses compare prior art's beneficial effect is: adopt the sectional type design, can be according to the size of each part of the corresponding adjustment of turbine unit of difference to satisfy different turbine unit uses, strong adaptability, this utility model can be fine solution turbine unit air inlet filter hoist and mount problem.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a right side view of the present invention.

Fig. 4 is a front view of the present invention.

Fig. 5 is a partially enlarged view at B in fig. 4.

Fig. 6 is a plan view of the present invention.

Reference numerals: 1-supporting frame, 2-air pipe, 3-air pipe guide rope, 4-guide rail, 5-fixing piece, 6-pneumatic pulley, 7-pneumatic hoist, 8-hook, 9-beam clamp, 10-lifting lug, 11-base plate, 12-lengthened upright post, 13-gantry, 14-supporting plate and 15-reinforcing rib.

Detailed Description

The invention will be further elucidated below on the basis of a specific embodiment.

The offshore platform turbine air inlet filter replacing and hoisting device shown in fig. 1-6 comprises a support frame 1, an air pipe 2, an air pipe guide rope 3, a guide rail 4, a fixing piece 5, a pneumatic pulley 6 and a pneumatic pulley 7, wherein the load of the pneumatic pulley 7 is 2, and the load of the pneumatic pulley is 6T. The support frame 1 comprises a base plate 11, an elongated upright post 12 and a portal 13 which are sequentially arranged from bottom to top, two ends of a guide rail 4 are fixedly connected with the portal 13, a supporting plate 14 is arranged at the bottom of the elongated upright post 12, the supporting plate 14 is fixedly connected with the base plate 11 through a bolt, and the elongated upright post 12 is fixedly connected with the portal 13 through a welding mode. Reinforcing ribs 15 are further arranged on the periphery of the bottom of the lengthened upright post 12, the bottom edges of the reinforcing ribs 15 are welded with the supporting plate 14, and the vertical edges of the reinforcing ribs 15 are welded with the lengthened upright post 12. When assembling the support frame 1, firstly connecting the base plate 11 with the lengthened upright post 12 by using a bolt, then welding the lengthened upright post 12 with the portal frame 13, then installing four-limb sling tools on 4 lifting lugs 10 of the portal frame 13, hoisting the assembled support frame integrally by using a platform crane and placing the support frame on a two-layer overhaul platform of the turbine unit, and finally welding the base plate 11 on an outer frame beam of the two-layer overhaul platform of the turbine unit. The height of support frame 1 is 3000mm for fixed hoist device on two layers of maintenance platform (highly be 2500mm), pneumatic calabash 7 maximum lifting height is 2000mm, and the turbine unit air inlet is 4000mm apart from the height on deck, and pneumatic calabash 7 maximum lifting height and two layers of maintenance platform height sum are 4500mm, satisfy the requirement to the lifting height that hoist frock can reach when changing the air inlet filter.

The trachea 2 is fixedly arranged on the support frame 1, the air outlet end of the trachea 2 is connected with the pneumatic pulley 6, in the embodiment, the front half part of the trachea 2 is fixed on the lengthened upright post 12, the rear half part of the trachea 2 is fixed on the door frame 13, the part, close to the air outlet end, of the trachea 2 is in a spiral shape, the air inlet end of the trachea 2 is provided with a valve, and 4-8bar of compressed air can be flushed when the valve is opened.

The pneumatic trolley 6 is arranged on the guide rail 4, and the guide rail 4 is a moving track of the pneumatic trolley 6 and can be used for the pneumatic trolley 6 to move back and forth along the guide rail 4. The guide rail 4 is horizontally disposed, so that the pneumatic block 6 can slide only in the horizontal direction. The maximum sliding distance of the pneumatic pulley 6 is 3000mm, and the pneumatic pulley is used for realizing the back and forth movement of the pneumatic hoist 7 from the far air inlet end to the air inlet end.

Trachea direction rope 3 has the elasticity, and trachea direction rope 3 level sets up on portal 13, and is parallel with guide rail 4, and the fixed setting of one end of trachea direction rope 3 is on portal 13, and the other end twines trachea 2 and with mounting 5 fixed connection, mounting 5 and portal 13 fixed connection, trachea direction rope 3 has fixed trachea 2's direction.

The pneumatic hoist 7 is hung at the lower end of the pneumatic pulley 6, and the lower end of the pneumatic hoist 7 is connected with the hook 8. The air pipe 2 provides compressed air for the pneumatic hoist 7 and the pneumatic pulley 6, and the compressed air provides power for realizing the lifting of the pneumatic hoist 7 in the vertical direction and the horizontal movement of the pneumatic pulley 6.

The pneumatic hoist 7 adopts a JDN pneumatic hoist, can realize stepless speed regulation, can realize light handling and light placing when hoisting the air filter, and has accurate positioning and small impact force; the lifting capacity of the pneumatic hoist is 2 tons, and the weight of the single air inlet filter is 100 kilograms, so that the lifting load-bearing requirement of the air inlet filter is completely met; the pneumatic hoist has the performances of fire prevention, explosion prevention, moisture resistance, high temperature resistance and the like, and meets the use requirements of the offshore platform environment. Before the pneumatic block 7 and the pneumatic block 6 are welded on the support frame 1, the hoses are connected with an onsite compressed air pipeline of the offshore platform, the pneumatic block 6 and the pneumatic block 7 are detected, and the pneumatic block 6 and the pneumatic block 7 are ensured to normally run.

The two ends of the guide rail 4 are located at the lower end of the portal frame 13, the upper end of the portal frame 13 is further provided with a beam clamp 9, bolt holes are formed in corresponding positions of the beam clamp 9, the portal frame 13 and the guide rail 4, bolts are inserted in the bolt holes and are screwed down through locking nuts, and the beam clamp 9, the portal frame 13 and the guide rail 4 are fixedly connected with one another. The rail 4, the beam clamp 9 and the gantry 13 can be disassembled so that the rail 4 can be optimally mounted according to the turbine assembly, and the fixing bolts are tightened to ensure that the rail 4 is locked.

The above description is only the preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned specific embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims (4)

1. A hoisting device for replacing an air inlet filter of a turbine of an offshore platform is characterized by comprising a support frame (1), an air pipe (2), an air pipe guide rope (3), a guide rail (4), a fixing piece (5), a pneumatic pulley (6) and a pneumatic hoist (7), wherein the support frame (1) comprises a base plate (11), a lengthened upright post (12) and a portal (13) which are sequentially arranged from bottom to top, two ends of the guide rail (4) are fixedly connected with the portal (13), the air pipe (2) is fixedly arranged on the support frame (1), an air outlet end of the air pipe (2) is connected with the pneumatic pulley (6), and the pneumatic pulley (6) is arranged on the guide rail (4) and can slide along the guide rail (4); the trachea guide rope (3) has elasticity, the trachea guide rope (3) is horizontally arranged on the door frame (13) and is parallel to the guide rail (4), one end of the trachea guide rope (3) is fixedly arranged on the door frame (13), the other end of the trachea guide rope is wound on the trachea (2) and is fixedly connected with the fixing piece (5), the fixing piece (5) is fixedly connected with the door frame (13), the pneumatic hoist (7) is hung at the lower end of the pneumatic pulley (6), the lower end of the pneumatic hoist (7) is connected with a hook (8), two ends of the guide rail (4) are positioned at the lower end of the door frame (13), the fixing piece (5) is further arranged at the upper end of the door frame (13), bolt holes are formed in corresponding positions of the fixing piece (5), the door frame (13) and the guide rail (4), and bolts are inserted in the bolt holes, and the fixing piece (5), the door frame (13) and the guide rail (4) are fixedly connected with each other by tightening a locking nut.

2. The offshore platform turbine air filter replacing and hoisting device as claimed in claim 1, wherein the bottom of the lengthened vertical column (12) is provided with a supporting plate (14), the supporting plate (14) is fixedly connected with the base plate (11) through bolts, and the lengthened vertical column (12) is fixedly connected with the gantry (13) through welding.

3. The offshore platform turbine air inlet filter replacing and hoisting device as claimed in claim 2, wherein reinforcing ribs (15) are further arranged around the bottom of the lengthened vertical column (12), the bottom edges of the reinforcing ribs (15) are welded with the supporting plate (14), and the vertical edges of the reinforcing ribs (15) are welded with the lengthened vertical column (12).

4. The offshore platform turbine air inlet filter replacing and hoisting device as claimed in claim 1, wherein the gantry (13) is provided with a lifting lug (10), and the lifting lug (10) is provided with a four-limb sling.

Images