A tool and method for catalytic gas turbine rotor disassembly and assembly

By designing special combined tooling, the safe, smooth and fast disassembly and installation of the catalytic flue gas turbine rotor is achieved, which solves the safety risks and low efficiency problems existing in traditional methods and improves the disassembly and installation efficiency and safety of the catalytic flue gas turbine rotor.

CN119238439BActive Publication Date: 2025-10-17PETROCHINA CO LTD +1
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Patent Information

Application Number
CN202411198970.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-10-17
Estimated Expiration
2044-08-29

AI Technical Summary

Technical Problem

The existing technology for disassembling and installing catalytic flue gas turbine rotors has problems such as high safety risks, easy damage to accessories, and low efficiency. In particular, when switching between manual hoisting and aerial hoisting, personal injury and equipment damage may occur easily.

Method used

A special combined tooling was designed, including a rotor moving folding bracket, a coupling side shaft lifting bracket and a wheel side shaft lifting bracket. Combined with the tooling guide rail, the rotor can be precisely controlled through support, adjustment and translation, avoiding the traditional method of multiple high and low hand hoists for slanted and crooked lifting, ensuring the free movement and precise adjustment and positioning of the rotor in six directions: front, back, up, down, left and right.

Benefits of technology

The safe, smooth and fast disassembly and installation of the catalytic flue gas turbine rotor was achieved, which reduced safety risks, shortened operation time, improved work efficiency and saved costs. In addition, each maintenance period was completed 3-5 days ahead of schedule, saving about 240,000 yuan in electricity costs and increasing the process throughput by 30%.

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    Figure CN119238439B_ABST
Patent Text Reader

Abstract

The application discloses a tool and method for dismounting and mounting a catalytic flue gas turbine rotor, which comprises a rotor moving and folding support, a shaft lifting support on the side of a coupling, a shaft lifting support on the side of a wheel disc and a tool guide rail, the rotor moving and folding support is used for bearing the flue gas turbine rotor and realizing horizontal movement, the shaft lifting support on the side of the coupling is used for lifting the flue gas turbine rotor from one side of the coupling through shaft lifting, the shaft lifting support on the side of the wheel disc is used for lifting the flue gas turbine rotor from one side of the wheel disc through shaft lifting, and the tool guide rail is located on the ground and is used for bearing each support as a ground rail. The tool can reduce the operation difficulty of dismounting and mounting, greatly improve the safety coefficient, realize accurate control of the movement of the rotor, stably, safely and reliably dismount and mount the rotor, completely change the traditional method that mainly adopts a plurality of chain hoists for dismounting and mounting the flue gas turbine rotor, avoid hidden troubles such as damage of accessories and personnel injury in the dismounting and mounting process, and improve work efficiency.
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Description

TECHNICAL FIELD

[0001] The present application relates to a large rotor dismounting tool, in particular to a tool and method for dismounting and mounting a catalytic flue gas turbine rotor. BACKGROUND

[0002] The catalytic flue gas turbine rotor is an important component in the catalytic cracking unit, and its operating state has an important influence on the performance and efficiency of the unit. In order to ensure the normal operation of the rotor and prolong its service life, it needs to be regularly inspected and maintained, which inevitably involves dismounting and mounting. At present, dismounting and mounting are usually achieved by using a hoist.

[0003] CN203622322U discloses a special dismounting tool for a flue gas turbine rotor, which is composed of a clamp installed at the front end of the rotor and a movable support body supporting the rear end of the rotor; the clamp includes a lifting ring, an adjusting rod, a fixed rod, an upper half clasp and a lower half clasp, the fixed rod is a hollow rod, at least three pairs of adjusting rod fixing holes are provided on the side wall of the fixed rod, the upper part of the adjusting rod is provided with a lifting ring mounting hole, the lifting ring is mounted on the upper end of the adjusting rod and is fixedly connected with the adjusting rod, the lower part of the adjusting rod is inserted into the inner hole of the fixed rod and is detachably connected with the fixed rod, the lower end of the fixed rod is fixedly connected with the upper half clasp, and the lower half clasp is detachably connected with the upper half clasp; the movable support body includes rollers, a support plate and a support, the rollers are at least two sets, respectively installed on the bottom surface of the two ends of the support plate, the support is two, symmetrically installed on the center line of the length direction of the support plate, and the upper parts of the two supports are inclined surfaces, forming a V-shaped groove for placing the rear end of the rotor. This patent document needs to use a hoist for hoisting adjustment, and the hoist needs to be switched in the air during the dismounting of the rotor, which has the problems of high safety risk, easy damage of parts, low efficiency and unreliability. SUMMARY

[0004] The present application aims to overcome the above-mentioned deficiencies, and provides a tool and method for dismounting and mounting a catalytic flue gas turbine rotor, which reduces the operation difficulty of dismounting and mounting and greatly improves the safety factor. The dismounting and mounting method using the tool can realize precise control of the movement of the catalytic flue gas turbine rotor, and can stably, safely and reliably dismount and mount the rotor through a special combined tool, completely changing the traditional method of dismounting and mounting the flue gas turbine rotor mainly using multiple hoists, avoiding the damage of parts and personnel injury during the dismounting and mounting process, and improving the work efficiency.

[0005] The technical solution of the present application is as follows:

[0006] A tool for dismounting and mounting a catalytic flue gas turbine rotor, the tool comprising:

[0007] The rotor moving folding support 1 is used for carrying the rotor of the smoke machine and realizing horizontal movement, and is composed of the coupling side left-right adjusting support beam 1-1, the coupling side support beam positioning support nut 1-2, the coupling side high-low adjusting nut 1-3, the support cable-stayed contraction rod 1-4, the wheel disc side left-right adjusting support beam 1-5, the wheel disc side high-low adjusting nut 1-6, the support beam positioning support nut 1-7, the support limiting connection bolt 1-8, the folding support positioning roller 1-9, the folding support supporting roller 1-10, the folding support base 1-11 and the like. The folding support base 1-11 is a cuboid, and the folding support positioning roller 1-9 and the folding support supporting roller 1-10 are mounted on the bottom thereof along the advancing direction. The coupling side support frame and the wheel disc side support frame are arranged at the two ends of the folding support base 1-11, and the coupling side support frame and the wheel disc side support frame are both in the shape of a portal frame. The coupling side left-right adjusting support beam 1-1 and the wheel disc side left-right adjusting support beam 1-5 are arranged on the top of the portal frame. The coupling side left-right adjusting support beam 1-1 and the wheel disc side left-right adjusting support beam 1-5 are concave in the middle, so as to adapt to the stability of the rotor gravity center and prevent the rotor from rolling left and right. The coupling side support beam positioning support nut 1-2 and the support beam positioning support nut 1-7 are arranged at the two top ends of the portal frame, and are used for connecting the two protruding ends of the coupling side left-right adjusting support beam 1-1 and the wheel disc side left-right adjusting support beam 1-5. The coupling side high-low adjusting nut 1-3 and the wheel disc side high-low adjusting nut 1-6 are arranged below the concave beams of the coupling side left-right adjusting support beam 1-1 and the wheel disc side left-right adjusting support beam 1-5, and are used for connecting the support columns of the portal frame. The coupling side high-low adjusting nut 1-3 and the wheel disc side high-low adjusting nut 1-6 can be adjusted to adjust the height of the coupling side left-right adjusting support beam 1-1 and the wheel disc side left-right adjusting support beam 1-5. The rotating shafts are arranged at the two ends of the horizontal connecting rod at the bottom of the portal frame, and the support cable-stayed rods 1-4 connected with the support base are arranged at the two outer sides of the top end of the horizontal connecting rod. The support cable-stayed rods 1-4 are used for realizing the inward folding of the left and right support frames. The support base limiting stop strip is arranged on the outer side of the horizontal connecting rod at the bottom of the portal frame, and the through holes through which the support limiting connection bolts 1-8 pass are arranged on the support base limiting stop strip. The support base limiting stop strip and the support cable-stayed rods 1-4 jointly realize the vertical positioning of the portal frame. The coupling side left-right adjusting support beam 1-1 and the wheel disc side left-right adjusting support beam 1-5 both contain the left-right translatable gaskets arranged above the coupling side left-right adjusting support beam 1-1 and the wheel disc side left-right adjusting support beam 1-5, and are used for adjusting the left-right position of the coupling and the wheel disc of the rotor 100.

[0008] The shaft-lifting support 3 is used for lifting the rotor of the smoke machine from the side of the shaft coupling by lifting the shaft, and is composed of a shaft-coupling support height-adjusting nut 3-1, a shaft-coupling support left-right adjusting nut 3-2, a shaft-coupling support upper supporting beam 3-3, a shaft-coupling support roller 3-4, a shaft-coupling support lower supporting beam 3-5, a support adjusting safety bolt 3-6, an inverted T-shaped support base 3-7, a shaft-coupling support carrier 3-8, and a connecting bolt 3-9. The inverted T-shaped support base 3-7 is located at the left and right ends, and the bottom of the base is provided with the shaft-coupling support roller 3-4. The shaft-coupling support upper supporting beam 3-3 and the shaft-coupling support lower supporting beam 3-5 are connected to form a whole body by being transversely arranged above and below the inverted T-shaped support base 3-7. The shaft-coupling support carrier 3-8 is arranged in the middle between the shaft-coupling support upper supporting beam 3-3 and the shaft-coupling support lower supporting beam 3-5. The bottom surface of the shaft-coupling support carrier 3-8 is attached to the shaft-coupling support lower supporting beam 3-5. The shaft-coupling support carrier 3-8 is provided with the connecting bolt 3-9 at the two ends thereof, which is connected to the shaft-coupling support upper supporting beam 3-3. A movable boss is arranged in the middle of the shaft-coupling support upper supporting beam 3-3. The upper end of the connecting bolt 3-9 is exposed from the boss and is fixed by the shaft-coupling support height-adjusting nut 3-1 and a gasket. The boss is provided with left-right adjusting screw holes on the two sides thereof. The shaft-coupling support left-right adjusting nut 3-2 is fixed to the shaft-coupling support upper supporting beam 3-3 through the holes.

[0009] The wheel disc side lifting axle support 4 is used for lifting the smoke machine rotor from the wheel disc side through the lifting axle, and is composed of a first wheel disc support height adjusting bolt 4-1, a second wheel disc support height adjusting bolt 4-2, a wheel disc support height adjusting safety guarantee bolt 4-3, a wheel disc support left-right adjusting crosspiece 4-4, a wheel disc support left-right adjusting bolt 4-5, a rotor chuck 4-6, a moving guide positioning support crossbeam 4-7, a wheel disc support supporting roller 4-8, a jack 4-9, a foot pedal 4-10, a wheel disc support positioning roller 4-11, a support main frame 4-12, an adjusting support stand 4-13, an adjusting support crossbeam 4-14 and the like. The support main frame 4-12 is a main bearing component of the wheel disc side lifting axle support 4, is welded together, and has a whole door-shaped structure. Four triangular legs are arranged on the bottom of the support main frame 4-12, and four wheel disc support supporting rollers 4-8 and four wheel disc support positioning rollers 4-11 are respectively arranged on each leg. The adjusting support stand 4-13 is vertically installed on the top of the main frame by bolts and is symmetric to the top center on both sides. The jack 4-9 is fixed on the top center of the main frame by bolts. The moving guide positioning support crossbeam 4-7 is placed on the jack 4-9, and the grooves at both ends of the moving guide positioning support crossbeam 4-7 are just clamped on the adjusting support stand 4-13. The rotor chuck 4-6 is fixed on the top center of the moving guide positioning support crossbeam 4-7 by bolts. The adjusting support crossbeam 4-14 is installed on the top of the adjusting support stand 4-13 by bolts. The wheel disc support left-right adjusting crosspiece 4-4 is placed in the rectangular groove of the adjusting support crossbeam 4-14, the wheel disc support left-right adjusting bolt 4-5 is screwed into the adjusting screw hole of the short side of the rectangular groove, the first wheel disc support height adjusting bolt 4-1 and the second wheel disc support height adjusting bolt 4-2 pass through the wheel disc support left-right adjusting crosspiece 4-4, the adjusting support crossbeam 4-14 and the moving guide positioning support crossbeam 4-7, and the wheel disc support height adjusting safety guarantee bolt 4-3 passes through the wheel disc support left-right adjusting crosspiece 4-4, the adjusting support crossbeam 4-14 and is screwed into the rotor chuck 4-6. Finally, the foot pedal 4-10 is installed in the middle of the support main frame 4-12. After the assembly is completed, the moving guide positioning support crossbeam 4-7 can be adjusted up and down, and the wheel disc side lifting axle support 4 can be moved as a whole.

[0010] The tool guide rail 5 is located on the ground and is used as a ground rail to carry each support, and is composed of a wheel disc support positioning guide rail 5-1, a movable folding positioning guide rail 5-2, a wheel disc support supporting guide rail 5-4, and a movable folding support supporting guide rail 5-3; the wheel disc support positioning guide rail 5-1 is used for placing a wheel disc support positioning roller 4-11, and the wheel disc support supporting guide rail 5-4 is used for placing a wheel disc support supporting roller 4-8; the movable folding support positioning guide rail 5-2 is used for placing a movable folding support positioning roller 1-9, and the movable folding support supporting guide rail 5-3 is used for placing a movable folding support supporting roller 1-10; when the wheel disc side lifting shaft support 4 and the movable folding support 1 are installed on the tool guide rail 5, they can be freely moved along the rail in the axial direction; when the movable folding support 1 is in a folded state, the support 1 can pass through the bottom of the wheel disc side lifting shaft support 4.

[0011] A method for dismounting and mounting a catalytic flue gas turbine rotor, comprising a dismounting process and a mounting process.

[0012] The dismounting process of the flue gas turbine rotor includes three stages of lifting and translating the flue gas turbine rotor, switching the flue gas turbine rotor support, and translating and hoisting the flue gas turbine rotor: the flue gas turbine rotor is supported by the wheel disc side and the coupling side moving supports, lifted and separated from the flue gas turbine shell, translated along the rail to the outside of the flue gas turbine, switched to the flue gas turbine folding support, translated along the rail away from the flue gas turbine shell, and removed.

[0013] The mounting process of the flue gas turbine rotor includes three stages of hoisting and translating, switching the support, and translating and installing: the flue gas turbine rotor is translated along the rail and into the flue gas turbine shell on the flue gas turbine folding support, switched to the two-end support, translated to above the flue gas turbine rotor shell, and installed.

[0014] Compared with the prior art, the beneficial effects of the present application include:

[0015] The application discards the traditional mode of hoisting by hand-operated hoist and switching the lifting appliance in the process of in-air hoisting operation, and designs the special combined tooling by combining the structural features of flue gas turbine and the available space of application environment, so as to complete the dismounting and mounting of flue gas turbine rotor by supporting, adjusting and translating the combined tooling, realize the stable, efficient and precise control of the rotor extraction process, enable the catalytic flue gas turbine rotor to move freely in six directions of front, rear, upper, lower, left and right by the rotor moving folding support, shaft support on the side of coupling and shaft support on the side of wheel disc, complete the precise adjustment and positioning, greatly reduce the safety risk in the process of dismounting and mounting the rotor, safely, stably and quickly dismount and mount the rotor, shorten the time of the whole catalytic flue gas turbine rotor dismounting or mounting process to one fourth of the time of the traditional hoisting method, do not need to set the hoisting point in the equipment area, and can be safely controlled in the dismounting, translating and adjusting links of maintenance, ensure the safety, precision and control in the whole rotor extraction process, and avoid the part falling damage and personal injury risk possibly caused by the traditional method of using high and low multiple hand-operated hoists.

[0016] The maintenance period of catalytic flue gas turbine is 3-5 days shorter than the traditional operation, the work is started in advance, 240,000 yuan of electricity fee can be saved every day, about 1,000,000 yuan can be saved in total, the process treatment capacity is increased by 30%, great benefits are brought, meanwhile, the safety risk is reduced, the operation time is reduced, the cost is saved, and the efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the rotor moving folding support 1 in the opened state.

[0018] Figure 2 is a structural schematic view of the rotor moving folding support 1 in the folded state.

[0019] Figure 3 is a structural schematic view of the shaft support on the side of coupling 3.

[0020] Figure 4 is a structural schematic view of the shaft support on the side of wheel disc 4.

[0021] Figure 5 is a structural schematic view of the tooling guide rail 5.

[0022] Figure 6 is a three-view of the rotor moving folding support 1 in the folded state.

[0023] Figure 7 is a three-view of the rotor moving folding support 1 in the opened state.

[0024] Figure 8 is a three-view of the shaft support on the side of coupling 3.

[0025] Figure 9is a three-view of the wheel disc side lifting shaft support 4.

[0026] Figures 10-25 is a schematic diagram of the process of dismounting and installing the rotor of the smoke machine according to the present application.

[0027] In the figure:

[0028] 1-rotor moving folding support, wherein: 1-1 coupling side left-right adjustment support crossbeam, 1-2 coupling side support crossbeam positioning support nut, 1-3 coupling side high-low adjustment nut, 1-4 support inclined cable contraction rod, 1-5 wheel disc side left-right adjustment support crossbeam, 1-6 wheel disc side high-low adjustment nut, 1-7 support crossbeam positioning support nut, 1-8 support limiting connection bolt, 1-9 folding support positioning roller, 1-10 folding support support roller, 1-11 folding support base;

[0029] 3-coupling side lifting shaft support, wherein: 3-1 coupling support high-low adjustment nut, 3-2 coupling support left-right adjustment nut, 3-3 coupling support upper support beam, 3-4 coupling support roller, 3-5 coupling support lower support beam, 3-6 support adjustment safety bolt;

[0030] 4-wheel disc side lifting shaft support, wherein: 4-1 first wheel disc support high-low adjustment bolt, 4-2 second wheel disc support high-low adjustment bolt, 4-3 wheel disc support high-low adjustment safety guarantee bolt, 4-4 wheel disc support left-right adjustment crossbar, 4-5 wheel disc support left-right adjustment bolt, 4-6 rotor chuck, 4-7 moving guide positioning support crossbeam, 4-8 wheel disc support support roller, 4-9 jack, 4-10 foot pedal, 4-11 wheel disc support positioning roller, 4-12 support main frame, 4-13 adjustment support stand, 4-14 adjustment support crossbeam;

[0031] 5-tool guide rail, wherein: 5-1 wheel disc side lifting shaft support positioning guide rail, 5-2 moving folding support positioning guide rail, 5-3 moving folding support support guide rail, 5-4 wheel disc support support guide rail;

[0032] 100-smoke machine rotor, 200-volute, 300-bearing box. DETAILED DESCRIPTION

[0033] As shown in Figures 1-9 , a tool for dismounting and installing a catalytic smoke turbine rotor, the tool comprising:

[0034] rotor moving folding support 1 (see Figure 1 , Figure 2 , Figure 6 and Figure 7), used for carrying the rotor of the smoke machine and realizing horizontal movement, the support is composed of the shaft coupling side left and right adjusting support cross beam 1-1, the shaft coupling side support cross beam positioning support nut 1-2, the shaft coupling side high and low adjusting nut 1-3, the support inclined pull-in contraction rod 1-4, the wheel disc side left and right adjusting support cross beam 1-5, the wheel disc side high and low adjusting nut 1-6, the support cross beam positioning support nut 1-7, the support limiting connection bolt 1-8, the folding support positioning roller 1-9, the folding support supporting roller 1-10 and the folding support base 1-11, etc.; the folding support base 1-11 is a cuboid, the folding support positioning roller 1-9 and the folding support supporting roller 1-10 are installed at the bottom thereof along the direction of movement, shaft coupling side support frames and wheel disc side support frames are arranged at the two ends thereof, the shaft coupling side support frames and the wheel disc side support frames are both in the shape of a portal frame, the shaft coupling side left and right adjusting support cross beam 1-1 and the wheel disc side left and right adjusting support cross beam 1-5 are arranged at the top thereof, the shaft coupling side left and right adjusting support cross beam 1-1 and the wheel disc side left and right adjusting support cross beam 1-5 are concave in the middle, so as to adapt to the stability of the rotor gravity center and prevent the rotor from rolling left and right; the shaft coupling side support cross beam positioning support nut 1-2 and the support cross beam positioning support nut 1-7 are arranged at the two top ends of the portal frame, respectively, for connecting the two protruding ends of the shaft coupling side left and right adjusting support cross beam 1-1 and the wheel disc side left and right adjusting support cross beam 1-5, the shaft coupling side high and low adjusting nut 1-3 and the wheel disc side high and low adjusting nut 1-6 are arranged below the concave beams of the shaft coupling side left and right adjusting support cross beam 1-1 and the wheel disc side left and right adjusting support cross beam 1-5, respectively, for connecting the support columns of the portal frame, the shaft coupling side high and low adjusting nut 1-3 and the wheel disc side high and low adjusting nut 1-6 can be adjusted to realize the adjustment of the height of the shaft coupling side left and right adjusting support cross beam 1-1 and the wheel disc side left and right adjusting support cross beam 1-5, the rotating shafts are arranged at the two ends of the horizontal connecting rod at the bottom of the portal frame, the support inclined pull-in rods 1-4 connected with the support base are arranged at the two outer sides at the top end thereof, the support inclined pull-in rods 1-4 are used for realizing the inward folding of the left and right support frames, the support base limiting stop strips are arranged on the outer side surface of the horizontal connecting rod at the bottom of the portal frame, the through holes through which the support limiting connection bolts 1-8 pass are arranged on the support base limiting stop strips, and the support base limiting stop strips and the support inclined pull-in rods 1-4 jointly realize the vertical positioning of the portal frame. The shaft coupling side left and right adjusting support cross beam 1-1 and the wheel disc side left and right adjusting support cross beam 1-5 both contain the left and right translatable gaskets above them, which are used for realizing the adjustment of the left and right positions of the shaft coupling and the wheel disc when the rotor 100 of the smoke machine is placed.

[0035] The shaft coupling side lifting shaft support 3 (see Figure 3 and Figure 8), used to lift the range hood rotor by lifting the shaft from one side of the coupling, the bracket consists of a coupling bracket height adjustment nut 3-1, a coupling bracket left and right adjustment nut 3-2, a coupling bracket upper support beam 3-3, a coupling bracket roller 3-4, a coupling bracket lower support beam 3-5, support adjustment safety bolts 3-6, an inverted T-shaped support seat 3-7, a coupling carrier 3-8 and a connecting bolt 3-9; the inverted T-shaped support seat 3-7 is located at the left and right ends respectively, and a coupling bracket roller 3-4 is provided at the bottom thereof, the coupling bracket upper support beam 3-3 and the coupling bracket lower support beam 3-5 respectively connect the inverted T-shaped support seats 3-7 on both sides horizontally from the upper and lower parts to form a whole, and are located on the coupling bracket upper support beam 3-3 A coupling carrier 3-8 is provided in the middle between the coupling bracket and the lower support beam 3-5, and the bottom cross-section of the coupling carrier 3-8 fits on the lower support beam 3-5 of the coupling bracket, and connecting bolts 3-9 connected to the upper support beam 3-3 of the coupling bracket are provided upward at both ends of the coupling carrier 3-8; a translatable boss is provided in the middle above the upper support beam 3-3 of the coupling bracket, and the upper end of the connecting bolt 3-9 passes through the boss and is fixed by the coupling bracket height adjustment nut 3-1 and the gasket, and left and right adjustment screw holes are extended on both sides of the boss, and the left and right adjustment nuts 3-2 of the coupling bracket are fixed to the upper support beam 3-3 of the coupling bracket through the hole.

[0036] Wheel side shaft lifting bracket 4 (see Figure 4 and Figure 9), used to lift the range hood rotor from the disc side by lifting the shaft, consists of the first disc bracket height adjustment bolt 4-1, the second disc bracket height adjustment bolt 4-2, the disc bracket height adjustment safety bolt 4-3, the disc bracket left and right adjustment crosspiece 4-4, the disc bracket left and right adjustment bolt 4-5, the rotor chuck 4-6, the movable guide positioning support beam 4-7, the disc bracket support roller 4-8, the jack 4-9, the foot pedal 4-10, the disc bracket positioning roller 4-11, the bracket main frame 4-12, the adjustment bracket column 4-13, and the adjustment bracket beam 4-14. The bracket main frame 4-12 is the main load-bearing component of the wheel side lifting shaft bracket 4, which is welded and has a gate-shaped structure as a whole. Four triangular legs are set on the bottom, and four wheel bracket support rollers 4-8 and four wheel bracket positioning rollers 4-11 are installed on each leg, and the same type of rollers are installed on each side; the adjustment bracket column 4-13 is vertically installed on the top of the main frame symmetrically on both sides of the top center with bolts; the jack 4-9 is fixed to the center position of the top of the main frame with bolts; the movable guide positioning support beam 4-7 is placed on the jack 4-9, and the grooves at both ends of the movable guide positioning support beam are just stuck on the adjustment bracket column 4-13; the rotor chuck 4-6 is fixed to the top center of the movable guide positioning support beam 4-7 with bolts; and the adjustment bracket beam 4-14 is then installed to the adjustment bracket column 4-1 by bolt connection. 3 top; place the left and right adjustment crosspiece 4-4 of the wheel bracket in the rectangular groove of the adjustment bracket crossbeam 4-14, screw the left and right adjustment bolts 4-5 of the wheel bracket into the adjustment screw holes on the short side of the rectangle, and pass the first wheel bracket height adjustment bolt 4-1 and the second wheel bracket height adjustment bolt 4-2 through the left and right adjustment crosspiece 4-4 of the wheel bracket, the adjustment bracket crossbeam 4-14 and the movable guide positioning support crossbeam 4-7; pass the wheel bracket height adjustment safety bolt 4-3 through the left and right adjustment crosspiece 4-4 of the wheel bracket and the adjustment bracket crossbeam 4-14 and screw it into the rotor chuck 4-6; finally, install the foot pedal 4-10 in the middle of the bracket main frame 4-12; after assembly is completed, the movable guide positioning support crossbeam 4-7 can be adjusted up and down, and the wheel side lifting shaft bracket 4 can be moved as a whole.

[0037] Tooling guide rail 5 (see Figure 5), located on the ground, used as a ground rail to carry each support, composed of wheel disc support positioning guide rail 5-1, mobile folding positioning guide rail 5-2, wheel disc support support guide rail 5-4 and mobile folding support support guide rail 5-3, etc.; the wheel disc support positioning guide rail 5-1 is used to place the wheel disc support positioning roller 4-11, and the wheel disc support support guide rail 5-4 is used to place the wheel disc support support roller 4-8; the mobile folding support positioning guide rail 5-2 is used to place the mobile folding support positioning roller 1-9, and the mobile folding support support guide rail 5-3 is used to place the mobile folding support support roller 1-10. When the wheel disc side lifting shaft support 4 and the mobile folding support 1 are installed to the tool guide rail 5, they can realize free movement along the rail axis; when the mobile folding support 1 is in the folded state, the support 1 can pass through the bottom of the wheel disc side lifting shaft support 4.

[0038] A method for disassembling and assembling a catalytic flue gas turbine rotor, comprising a disassembly process and an assembly process.

[0039] The disassembly process of the flue gas turbine rotor of the flue gas turbine passes through three stages of flue gas turbine rotor lifting translation, switching flue gas turbine rotor support and flue gas turbine rotor translation hoisting, and is completed: the flue gas turbine rotor is supported by the wheel disc side and the coupling side two end moving supports, is lifted and lifted off the flue gas turbine shell, is translated along the rail to the outside of the flue gas turbine, is switched to the flue gas turbine rotor folding support, is translated away from the flue gas turbine shell along the rail, and is removed.

[0040] The installation process of the flue gas turbine rotor of the flue gas turbine passes through three stages of hoisting translation, support switching and translation into position, and is completed: the flue gas turbine rotor is translated into the flue gas turbine shell on the flue gas turbine rotor folding support and along the rail, is switched to the two end supports, is translated to above the flue gas turbine rotor shell, and is landed and installed.

[0041] The disassembly process includes the rotor lifting translation stage, the rotor support switching stage and the rotor translation hoisting stage, and the specific steps include:

[0042] a) Rotor lifting translation stage (see Figure 10 and Figure 11 )

[0043] First, adjust the height position of the rotor chuck (4-6) on the wheel disc side lifting shaft support 4 ( Figure 4 ), install the rotor chuck (4-6) to the wheel disc of the flue gas turbine rotor 100, fine-tune the first wheel disc support height adjustment bolt nut 4-1 and the second wheel disc support height adjustment bolt 4-2 of the wheel disc side lifting shaft support 4, and test the lifting function. Then install the coupling side lifting shaft support 3 ( Figure 3 ) on the split surface in the flue gas turbine bearing box 300, pay attention to that the lifting shaft coupling carrier 3-8 is installed between the thrust disc and the coupling (the position of the main thrust pad), then operate the wheel disc side lifting shaft support 4 ( Figure 4 ) and the coupling side lifting shaft support 3 (Figure 3 ), the height of the smoke machine rotor 100 is slowly raised to the design height (235 mm), and the height ensures that the smoke machine rotor 100 can pass through the bearing box 300 and the smoke machine shell 200. After the height is satisfied, the coupling side lifting shaft support 3 ( Figure 3 ) is finally installed in place, and the support adjustment safety bolt 3-6 is rotated in place to support the coupling support lower support beam 3-5, and finally the smoke machine rotor 100 is manually pushed out about 1.5 meters to the wheel disc side. During the movement, if the height and left and right positions are not suitable, the height and left and right positions of the front and rear supports can be adjusted.

[0044] b) Switching rotor support stage (see Figure 12 、 Figure 13 and Figure 14 )

[0045] Move the rotor moving folding support 2 ( Figure 2 ) from the bottom of the footboard 4-10 of the wheel disc side lifting shaft support 4 ( Figure 4 ), and then adjust the rotor moving folding support 1 ( Figure 2 ) to the open state. By adjusting the wheel disc side height adjustment nut 1-6, the support beam positioning support nut 1-7, the wheel disc side left and right adjustment support beam 1-5, and the coupling side height adjustment nut 1-3, the coupling side support beam positioning support nut 1-2, and the coupling side left and right adjustment support beam 1-1, the rotor is lifted on both sides, stable and reliable, and then the wheel disc side lifting shaft support 4 ( Figure 4 ) and the coupling side lifting shaft support 3 ( Figure 3 ) are removed. Note that the center of gravity of the smoke machine must be kept between the two support beams of the smoke turbine rotor moving folding support 1 to ensure the safety and stability of the tooling.

[0046] c) Rotor translation hoisting stage (see Figure 15 、 Figure 16 and Figure 17 )

[0047] Push the rotor moving folding support 1 to move slowly by 2.5 meters to a position where the bridge crane can directly hoist, and then use the bridge crane hook to directly hoist the smoke machine rotor 100 onto the rotor transport special support.

[0048] The installation process includes the hoisting translation stage, the support switching stage and the translation positioning stage, and the specific steps include:

[0049] a) Hoisting translation stage (see Figure 18 、 Figure 19 、 Figure 20 and Figure 21 )

[0050] First, the rotor moving folding support 1 (Figure 1 ) set up to working condition, then use the bridge crane hook (allowing the lifting weight is five times the weight of the rotor), the smoke machine rotor 100 is hoisted to the rotor moving folding support 1 ( Figure 1 ) on the support, then by adjusting the adjusting disc side high-low adjusting nut 1-6, support beam positioning support nut 1-7, disc side left and right adjusting support beam 1-5 and the coupling side high-low adjusting nut 1-3, coupling side support beam positioning support nut 1-2, coupling side left and right adjusting support beam 1-1, ensure that the smoke machine rotor 100 cannot touch the components in the smoke machine shell 200 and bearing box 300 during the moving process, the smoke machine rotor 100 is inserted into the smoke machine shell 200 about 1.5 meters.

[0051] b) support switching stage (see Figure 22 and Figure 23 )

[0052] Adjust the rotor chuck 4-6 to the appropriate height, install the rotor chuck 4-6 to the center of the rotor disc, then install the coupling side shaft lifting support 3 ( Figure 3 ) and the tool rail 5 ( Figure 5 ) in place, slightly adjust the height of the front and rear supports, so that the smoke machine rotor 100 is slightly raised by 1cm, then adjust the middle rotor moving folding support 1 ( Figure 1 ) to the folded state, and pull it out through the lower part of the foot pedal 4-10 of the disc side shaft lifting support 4 ( Figure 5 ) along the tool guide rail 5 ( Figure 4 ).

[0053] c) translation positioning stage (see Figure 24 and Figure 25 )

[0054] Push the disc side shaft lifting support 4 ( Figure 4 ), so that the smoke machine rotor 100 moves slowly about 1.5 meters, the smoke machine rotor 100 is completely inserted into the smoke machine shell 200, then remove the coupling support lower support beam 3-5 on the coupling side shaft lifting support 3 ( Figure 3 ), and tighten the support adjustment safety bolt 3-6 to reset, slowly adjust the high-low adjusting nut and left-right adjusting nut on the disc side shaft lifting support 4 ( Figure 4 ) and the coupling side shaft lifting support 3 ( Figure 3 ), so that the flue gas turbine rotor is lowered and installed into the bearing box 300.

Claims

1. A tool for disassembling and installing a catalytic flue gas turbine rotor, characterized in that: The tooling comprises a rotor moving folding bracket (1), a coupling side shaft lifting bracket (3), a wheel disc side shaft lifting bracket (4), and a tooling guide rail (5); the rotor moving folding bracket (1) is used to carry the range hood rotor and achieve horizontal movement; the coupling side shaft lifting bracket (3) is used to lift the range hood rotor from the coupling side by lifting the shaft; the wheel disc side shaft lifting bracket (4) is used to lift the range hood rotor from the wheel disc side by lifting the shaft; and the tooling guide rail (5) is located on the ground and serves as a ground rail to carry each bracket; The rotor movable folding bracket (1) is composed of a coupling side left and right adjustment support beam (1-1), a coupling side support beam positioning support nut (1-2), a coupling side height adjustment nut (1-3), a bracket inclined tension retracting rod (1-4), a wheel side left and right adjustment support beam (1-5), a wheel side height adjustment nut (1-6), a bracket beam positioning support nut (1-7), and a bracket limit connecting bolt (1-8). , a folding bracket positioning roller (1-9), a folding bracket support roller (1-10) and a folding bracket base (1-11); the folding bracket base (1-11) is in the shape of a rectangular parallelepiped, and a folding bracket positioning roller (1-9) and a folding bracket support roller (1-10) are installed at the bottom thereof along the direction of travel, and a coupling side support frame and a wheel disc side support frame are respectively provided at both ends thereof, and the coupling side support frame and the wheel disc side support frame are both in the shape of a gantry as a whole, and a coupling side left and right adjustment support beam (1-1) and a wheel disc side left and right adjustment support beam (1-5) are provided at the top thereof, and the upper parts of the coupling side left and right adjustment support beam (1-1) and the wheel disc side left and right adjustment support beam (1-5) are in the shape of a concave middle part, so as to adapt to the stability of the rotor's center of gravity and prevent the rotor from rolling left and right; The left and right top ends of the gantry are provided with coupling side support beam positioning support nuts (1-2) and bracket beam positioning support nuts (1-7) for connecting the two raised ends of the coupling side left and right adjustment support beam (1-1) and the wheel side left and right adjustment support beam (1-5). The coupling side height adjustment nut (1-3) and the wheel side height adjustment nut (1-7) are respectively passed below the concave beams of the coupling side left and right adjustment support beam (1-1) and the wheel side left and right adjustment support beam (1-5). 6) The support column connected to the gantry frame can adjust the height of the left and right adjustment support beam (1-1) on the coupling side and the left and right adjustment support beam (1-5) on the wheel disc side by adjusting the height adjustment nut (1-3) on the coupling side and the height adjustment nut (1-6) on the wheel disc side; a rotating shaft is provided at both ends of the transverse connecting rod at the bottom of the gantry frame, and a support inclined rod (1-4) connected to the support base is provided on the two outer sides of the top end thereof, and the support inclined rod (1-4) is used to realize the inward folding of the left and right support frames; A bracket base limiting strip is provided on the outer side surface of the transverse connecting rod at the bottom of the gantry, wherein the bracket base limiting strip is provided with a through hole for the bracket limiting connecting bolt (1-8) to pass through, and the bracket base limiting strip and the bracket inclined rod (1-4) work together to realize the vertical positioning of the gantry; The coupling side left and right adjustment support beam (1-1) and the wheel disc side left and right adjustment support beam (1-5) both include a pad located directly above them that can be translated left and right, and are used to ensure that when the range hood rotor (100) is placed, the support beam has no hard contact with the rotor surface, thereby avoiding damage to the rotor surface. The tooling guide rail (5) is composed of a wheel bracket positioning guide rail (5-1), a movable folding positioning guide rail (5-2), a wheel bracket support guide rail (5-4) and a movable folding bracket support guide rail (5-3); When the wheel disc side shaft lifting bracket 4 and the movable folding bracket (1) are mounted on the tooling guide rail (5), both can move freely along the track axis; when the rotor movable folding bracket (1) is in a folded state, it can pass through the bottom of the wheel disc side shaft lifting bracket (4).

2. The tool for disassembling and installing a catalytic flue gas turbine rotor according to claim 1, characterized in that: The coupling side shaft lifting bracket (3) is composed of a coupling bracket height adjustment nut (3-1), a coupling bracket left and right adjustment nut (3-2), a coupling bracket upper support beam (3-3), a coupling bracket roller (3-4), a coupling bracket lower support beam (3-5), a support adjustment safety bolt (3-6), an inverted T-shaped support seat (3-7), a coupling bearing body (3-8) and a connecting bolt (3-9); the inverted T-shaped support seat (3-7) is located at the left and right ends respectively, and the coupling bracket roller (3-4) is provided at the bottom thereof; the coupling bracket upper support beam (3-3) and the coupling bracket lower support beam (3-5) respectively connect the inverted T-shaped support seats (3-7) located on both sides horizontally from the upper and lower parts to form a whole, and the coupling bracket upper support beam (3-3) is located at the coupling bracket upper support beam (3-3) A coupling carrier (3-8) is provided in the middle between the coupling carrier and the lower support beam (3-5) of the coupling bracket, the bottom section of the coupling carrier (3-8) is fitted on the lower support beam (3-5) of the coupling bracket, and connecting bolts (3-9) connected to the upper support beam (3-3) of the coupling bracket are provided upward at both ends of the coupling carrier (3-8); a boss capable of translation is provided in the middle above the upper support beam (3-3) of the coupling bracket, the upper end of the connecting bolt (3-9) passes through the boss and is fixed through the coupling bracket height adjustment nut (3-1) and a gasket, and left and right adjustment screw holes are extended on both sides of the boss, and the left and right adjustment nuts (3-2) of the coupling bracket are fixed to the upper support beam (3-3) of the coupling bracket through the holes.

3. The tool for disassembling and installing a catalytic flue gas turbine rotor according to claim 1, characterized in that: The wheel disc side shaft lifting bracket (4) is composed of a first wheel disc bracket height adjustment bolt (4-1), a second wheel disc bracket height adjustment bolt (4-2), a wheel disc bracket height adjustment safety bolt (4-3), a wheel disc bracket left and right adjustment crossbar (4-4), a wheel disc bracket left and right adjustment bolt (4-5), a rotor chuck (4-6), a movable guide positioning support beam (4-7), a wheel disc bracket support roller (4-8), a jack (4-9), a foot pedal (4-10), and a wheel disc bracket positioning roller (4-11). , a bracket main frame (4-12), an adjustment bracket column (4-13) and an adjustment bracket crossbeam (4-14); the bracket main frame (4-12) serves as the main load-bearing component of the wheel side shaft lifting bracket 4, and is a door-shaped structure as a whole, with triangular legs at its bottom, and the wheel bracket support rollers (4-8) and the wheel bracket positioning rollers (4-11) are respectively installed on the legs; the adjustment bracket column (4-13) is vertically installed on the top of the bracket main frame (4-12) symmetrically on both sides of the top center; the jack (4-9) is fixed at the top center of the bracket main frame (4-12); the movable guide positioning support crossbeam (4-7) is placed on the jack (4-9), and the grooves at both ends of the movable guide positioning support crossbeam (4-13) are clamped on the adjustment bracket column (4-13); the rotor chuck (4-6) is fixed on the top center of the movable guide positioning support crossbeam (4-7); the adjustment bracket crossbeam (4-14) is installed on the adjustment bracket column (4-14). The top of the whole bracket column (4-13); the wheel bracket left and right adjustment cross piece (4-4) is placed in the rectangular groove of the adjustment bracket cross beam (4-14); the wheel bracket left and right adjustment bolts (4-5) are screwed into the adjustment screw holes of the short side of the rectangle; the first wheel bracket height adjustment bolt (4-1) and the second wheel bracket height adjustment bolt (4-2) pass through the wheel bracket left and right adjustment cross piece (4-4), the adjustment bracket cross beam (4-14) and the movable guide positioning support cross beam (4-7); the wheel bracket height adjustment safety bolt (4-3) passes through the wheel bracket left and right adjustment cross piece (4-4), the adjustment bracket cross beam (4-14) and is screwed into the rotor chuck (4-6); the foot pedal (4-10) is installed in the middle of the bracket main frame (4-12); the movable guide positioning support cross beam (4-7) can be adjusted up and down, and the wheel side shaft lifting bracket (4) can move as a whole.

4. The tool for disassembling and installing a catalytic flue gas turbine rotor according to claim 1, characterized in that: The wheel bracket positioning guide rail (5-1) is used to place the wheel bracket positioning roller (4-11), and the wheel bracket support guide rail (5-4) is used to place the wheel bracket support roller (4-8); the movable folding bracket positioning guide rail (5-2) is used to place the movable folding bracket positioning roller (1-9), and the movable folding bracket support guide rail (5-3) is used to place the movable folding bracket support roller (1-10).

5. A method for disassembling and installing a catalytic flue gas turbine rotor, characterized in that: The method utilizes a tool for disassembling and installing a catalytic flue gas turbine rotor as described in any one of claims 1 to 4, and includes a disassembly process and an installation process of the flue gas turbine rotor; The disassembly process is completed through three stages: the range hood rotor is lifted and translated, the range hood rotor bracket is switched, and the range hood rotor is translated and hoisted. The range hood rotor (100) is supported and lifted off the flue gas bearing housing (300) by the movable brackets at both ends of the wheel disc side and the coupling side, and is translated along the track to the outside of the range hood. The range hood rotor is switched to the folding bracket (1) for moving and folding, and is translated along the track away from the range hood housing (200) and removed. The installation process is completed through three stages: hoisting and translation, bracket switching, and translation into position. The range hood rotor (100) is translated along the track on the range hood rotor folding bracket (1) and penetrates into the range hood housing (200). After switching to the two-end brackets, the range hood rotor is translated to the range hood bearing housing (300) and lowered for installation.

6. The method for disassembling and installing a catalytic flue gas turbine rotor according to claim 5, characterized in that: The specific steps of the disassembly process include: a) Rotor lifting and translation stage First, adjust the height position of the rotor chuck (4-6) on the wheel disc side shaft lifting bracket (4), and install the rotor chuck (4-6) on the wheel disc of the range hood rotor (100); then install the coupling side shaft lifting bracket (3) on the middle surface of the range hood bearing housing (300), and the shaft lifting coupling bearing body (3-8) should be installed between the thrust plate and the coupling, and then operate the wheel disc side shaft lifting bracket (4) and the coupling side shaft lifting bracket (3) to slowly raise the range hood rotor (100) to the designed height, and the height ensures that the range hood rotor (100) can pass through the bearing After the height is satisfied, the coupling side shaft lifting bracket (3) and the lower support beam (3-5) of the coupling bracket are finally installed in place, and the support adjustment safety bolt (3-6) is rotated into place, supported on the lower support beam (3-5) of the coupling bracket, and finally the wheel side shaft lifting bracket (4) and the coupling side shaft lifting bracket (3) are slowly pushed manually to push the smoke machine rotor (100) toward the wheel side. During the movement, the height and left and right positions of the front and rear brackets are adjusted to meet the needs of the height, left and right positions on site. b) Rotor support switching stage Pass the folded rotor moving folding bracket (2) through the bottom of the foot pedal (4-10) of the wheel side shaft lifting bracket (4), and then adjust the rotor moving folding bracket (1) to the open state. By adjusting the wheel side height adjustment nut (1-6), the bracket crossbeam positioning support nut (1-7), the wheel side left and right adjustment support crossbeam (1-5), the coupling side height adjustment nut (1-3), the coupling side support crossbeam positioning support nut (1-2), and the coupling side left and right adjustment support crossbeam (1-1), lift the two ends of the rotor, and then remove the wheel side shaft lifting bracket (4) and the coupling side shaft lifting bracket (3); c) Rotor translation and hoisting stage The rotor moving folding bracket (1) is pushed and slowly moved along the tooling guide rail (5) to a position where the bridge crane can directly lift the rotor (100). Then, the large hook of the bridge crane is used to directly lift the range hood rotor (100) onto the rotor transportation special bracket.

7. The method for disassembling and installing a catalytic flue gas turbine rotor according to claim 5, characterized in that: The specific steps of the installation process include: a) Hoisting and translation stage First, the rotor movable folding bracket (1) is lifted to the working state, and then the large hook of the bridge crane is used to hoist the range hood rotor (100) onto the rotor movable folding bracket (1). Then, by adjusting the wheel disc side height adjustment nut (1-6), the bracket crossbeam positioning support nut (1-7), the wheel disc side left and right adjustment support crossbeam (1-5), the coupling side height adjustment nut (1-3), the coupling side support crossbeam positioning support nut (1-2), and the coupling side left and right adjustment support crossbeam (1-1), ensure that the range hood rotor (100) does not touch the components in the range hood housing (200) and the bearing housing (300) during the movement, and then insert the range hood rotor (100) into the range hood housing (200); b) Bracket switching stage Adjust the rotor chuck (4-6) to a suitable height, install the rotor chuck (4-6) to the center of the rotor disc, then install the coupling side shaft lifting bracket (3) and the tooling track (5) in place, slightly adjust the height of the front and rear brackets to slightly raise the range hood rotor (100), then adjust the middle rotor moving folding bracket (1) to a folded state, and then pull the bracket out along the tooling guide rail (5) through the lower part of the foot pedal (4-10) of the disc side shaft lifting bracket (4); c) Translation into position stage Push the disc side shaft lifting bracket (4) to allow the smoke turbine rotor (100) to slowly move and completely pass through the smoke turbine housing (200), then remove the coupling bracket lower support beam (3-5) on the coupling side shaft lifting bracket (3), tighten the support adjustment safety bolt (3-6) to reset, and slowly adjust the height adjustment nuts and left and right adjustment nuts on the disc side shaft lifting bracket (4) and the coupling side shaft lifting bracket (3) to lower the smoke turbine rotor and install it in the bearing housing (300).

Citation Information

Patent Citations

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