JPS5981026A - Disassembly and assembly device - Google Patents

Abstract

PURPOSE:To facilitate reassembly by installing a body truck on a rail stretching in the longitudinal direction, furnishing two or more transverse rails perpendicular to this rail, on which a plurality of trucks with adjustability for the level of mounting, and thereby providing possibility of easy disassembly and accurate location. CONSTITUTION:A longitudinal rail 15 stretches in the central part of a basis 14, and transverse rails 16, 17 are installed at its X station part while another transverse rail 18 at the Y station part. A truck 20 for an air inlet casing 19 is placed on the transverse rail 16 while a truck 24 for a convolution chamber 23 on the transverse rail 18, and they shall be capable of moving on the respective rails freely. A balancer 30 for the rotor shaft 29 is fixed at the Y station on the basis 14, where a jig 31 for mounting and demounting of the rotor shaft 29 is hung at all times at the hanging point. The truck 20 is equipped with an elevating device, while the truck 22 has a level adjusting bolt for the installation table.

Description

[Detailed description of the invention] The present invention relates to an apparatus for disassembling and assembling large equipment.

FIG. 1 shows an overall view of a conventional supercharger, and is shown for explanation in correspondence with the disassembly and assembly apparatus of the present invention. The supercharger has a gas inlet casing (18), a gas outlet casing (2), a bearing stand (3), an external vortex chamber (4), and an internal cavity chamber (5).
, and an air inlet casing (6), and the rotor shaft (force), an impeller (8), and a bearing casing (9) are provided inside.

Exhaust gas from the diesel engine enters this turbocharger from part A, rotates the turbine blades at high speed at the mouth, and exhausts it to part C. For this purpose, the impeller (8) connected to the rotor shaft (7) is rotated at high speed, and air is sucked in from the two parts of the air intake locusing (6), passes through the hole part of the sinus chamber (5), and the air is drawn into the impeller. The air pressurized in (8) passes through the bottom of the outer vortex chamber (4) and is sent into the combustion chamber of the diesel engine to increase thermal efficiency.

By the way, the turbocharger is operated on land after being assembled, and after being tested, it is disassembled and the necessary inspections are performed. After inspection, they are reassembled and shipped. This disassembly, necessary inspection, and reassembly are carried out in the manner shown in Figure 2. All of the work is done using a crane to remove each tightening bolt and perform the following procedure.

■Remove the air inlet casing (6).

■Remove the gas outlet casing (2).

■Remove the casing of the cave chamber (5). However, in this case, there is no place to lift it, so attach jig 00) and disassemble it.

■ Since the impeller (8) is removable and lightweight, it can be carried out manually).

■ Removal of the rotor shaft (force and bearing casing (9). In this case, use the long jig α11 (121) to apply half the force to the rotor shaft, then hang it again and carry it out. ■ Removal of the bearing casing (9) In this case, the rotor shaft (7) is placed upright because it is easier to carry it out to the top.

Then, after the necessary inspections, reassembly is performed in reverse order.

The surrounding area is wood for the product. However, in the conventional case described above, all work was done with a crane, resulting in two major works. In addition, since the parts were fitted together, it took time to install and remove them using a crane.

. The present invention was proposed in order to eliminate the above-mentioned drawbacks of the conventional art, and includes installing a main body truck on which parts to be disassembled are mounted on rails running in the vertical direction, and a plurality of horizontal rails running in a direction perpendicular to the rails. It is equipped with a plurality of carts that can be positioned with the main cart and whose height can be adjusted, and can be easily disassembled and reassembled after accurate positioning. It is an object of the present invention to provide a disassembly and assembling device that can easily perform operations and save labor.

An embodiment of the present invention will be described below with reference to the drawings. Fig. 3 shows an overall view of the embodiment of the present invention, and is a diagram in a state where disassembly work has been completed. In the figure, a vertical rail 09 runs in the center of the base plate aa, horizontal rails (16) (1'l) are attached to the X station part, and horizontal rails (16) (1'l) and -/l/Ql are attached to the X station part, respectively. Horizontal rail (
16) On top is the pneumatic locating truck c2 (1
1, and a gas inlet casing (2
1) A cart for the vortex chamber (c) is mounted on the horizontal rail aFj, and can be moved freely on the horizontal rails aeaη and (18). Further, on the vertical rail Q5) there are installed a bearing stand for the external vortex chamber Q511 (c) and a main body truck (c) on which the gas outlet casing eη is mounted.

Also, on the Y station is a balancer for the rotor axis Cω (
(to) is fixed on a plywood board θ4, and a jig 01) for attaching and removing the rotor shaft (to) is always suspended from the suspension point. Oa is a jig for erecting the rotor shaft (2ω), and it is fixed on the plywood (14). Also, a corrugated steel plate G east is attached to the entire surface of the base plate a to make it easier to work. There is.

□l11g, to Yatsuka 5. work. 04) is the frame of the main body truck (c) with wheels C3 at the bottom.
51, the supercharger is mounted on the upper part, there is a surface plate for positioning at the center of the cart, and it is fixed with bolts 07). Further, on the pedestal 04), centering bearings are installed on the left and right sides to perform centering with the center of each dedicated cart.

On the other hand, the air inlet casing trolley (
201 is placed, 0 mounts! j1 There is a wheel Cω at the bottom of the pedestal, and an elevating device that moves the installation pedestal (431) up and down on a sloped sliding plate (42) by pushing and pulling a hydraulic cylinder (4) at the top. On the front side, there are provided a main body cart mount 04) and a centering rod (4 angles) for centering.

A gas inlet casing trolley (221) is installed on the other side rail (17), wheels (461 are installed at the bottom of the pedestal (49), and an installation stand (4η) is installed at the upper part of the frame (49). 4r), the gas inlet casing c〃 and installation base height adjustment bolts (4~ and 113? attachment bolts (4ω) are attached.

In addition, a mount (on the front of 49, the main body cart mount 04) and a centering rod (5) for centering are provided.I!5o is a rail stopper that prevents each cart from running out of control. be.

FIG. 5 shows a working status diagram at the Y station. In the figure, the air inlet casing (II) and the supercharger, which is a disassembled gas-filled casing GRE υ, are mounted on the main body trolley (C).In addition, a whirlpool indoor trolley (24+) is installed on the horizontal rail U barrel. Wheels are provided at the bottom of the bundling 1 frame, and a mounting base is provided at the top.

An adjustment bolt for adjusting the distance between the vortex inner chamber (C) and the mounting base is attached to the mounting base, and a mounting bolt 6 for the vortex inner chamber (C) is attached to the lower part of the vortex inner chamber (H). ) height adjustment bolt (b) is attached. In addition, on the front of the turret, there is a centering rod for centering the main body carriage frame diagram.

Furthermore, a rotor shaft balancer (3o) is provided on the left side, and a jig for attaching and removing the rotor shaft decoy is suspended therefrom. For installation/removal jig dispute 9), use the port 1u1.
1 Mounting bolt ring, cushioning resin between rotor shaft and jig ring), rotor shaft C! ■I+l1ll passive is installed to set up. The ring is a jig for setting up the rotor shaft, and consists of a bearing and Yoshibin Co., Ltd. Also the fourth
O in the figure is the flange part, and (6 in Fig. 5 is the bearing case).

Next, to explain the operation with reference to Figures 4 and 5, Figure 4 shows that the supercharger is mounted on the main body truck (281, bolt 07) at the This is a diagram of the installation.

Now, to disassemble the air inlet casing (11), first push the hydraulic cylinder (4υ) using the lifting device, and then press the installation stand (431).
With the air inlet casing (1CJ) lowered, the truck is moved to the bottom of the air inlet casing (1CJ (solid line in Figure 4)), and the centering rod (4 forces) is inserted into the bearing (to) of the main body truck mount 04 to position it.

In this state, use the lifting device to pull the hydraulic cylinder (4υ) and raise the installation base (431) until it touches the bottom of the air inlet casing (11).After it has completely touched the air inlet casing from the outer vortex chamber (c). 4 and move the air inlet casing trolley (20) backward (double-dashed line in Fig. 4).

Next, the gas inlet casing (2υ) and the gas outlet casing (
27) is removed using the gas inlet casing trolley (2), which moves to the lower part of the gas outlet casing (27) with the adjustment bolt (4g) screwed to the lower limit, and attaches to the bearing (toward) of the main body trolley. Insert the positioning rod 60) to position it. In this state, raise the adjustment port I-(48) to the upper limit and adjust the flange part (6fl) of the gas outlet casing C27)
After adjusting the height, insert the mounting bolt (49) into the port hole of the flange part 16f9, and screw it into the installation base (4η) to fix the gas inlet casing (2+). After fixing, from the gas outlet casing (27) Gas inlet casing (
2+) and move the cart shift backward (two-dot chain line in Figure 4).

Next, to disassemble the vortex inner chamber (c) and rotor shaft (29+, bearing casing), move the main body truck (28) to the
Move to station. A diagram of its working state is shown in FIG.

That is, in Fig. 5, after setting the vortex inner chamber trolley (two force adjustment poles) I'/l to the lower limit position, it moves to the lower part of the vortex inner chamber (to), and the bearing (toward ) to position the centering rod. In that state, the height adjustment bolt is 0.
Adjust the storage height and screw the mounting bolt () into the machined screw hole of the vortex inner chamber (c) to fix the vortex inner chamber C and the mounting plate ←◆. Thereafter, the inner vortex chamber (23) is disassembled by heating the outer vortex chamber (2), and the cart (24) is moved backward (two-point chain fs in FIG. 5).

Further, the rotor shaft I2ω and the bearing case are disassembled using a balancer and an attachment/removal jig. That is, the rotor axis c! Screw the mounting Bordeaux into the screw hole drilled in the end face of 1 and fix it to the jig.

In this state, the rotor shaft Q from the bearing stand (A)! 3. Remove the ) from the bearing case. At this time, the hanging point position of the jig (2) is adjusted in advance so that the rotor shaft (2) and the bearing case (2) are almost horizontal, and a commercially available balancer (2) is used to create a zero gravity condition. The operator can easily move horizontally and pull out the bearing stand (2).

The extracted rotor shaft (c) and bearing case are attached to the mounting/removal jig) by connecting the bearings of the jig and the bearings of the jig with pins e, and lowering the balancer. ,
Using the pin as a fulcrum, it rotates 90 times and easily rotates the rotor shaft (2).
The bearing case can be erected.

In this state, the rotor shaft is moved and the bearing case (6f) is pulled out to the top, which improves work efficiency.

Next, the necessary inspections after release are carried out while mounted on each trolley. For this reason, reassembly is performed in the reverse order of disassembly, but the adjustment work performed during disassembly is not necessary, and each casing can be assembled as is.

Since the present invention is configured as described above, there is no need to use an overhead crane. Note that if the overhead crane is working in another location, it will be necessary to wait until the work is completed. For this reason, crane waiting time occurs, but in the present invention, there is no crane waiting time. In addition, an overhead crane requires two people, an operator and an assembly/disassembly worker, but the device of the present invention can easily be operated by one person, resulting in labor savings.

Further, according to the present invention, it is possible to reduce the disassembly and assembly time. In other words, each casing is disassembled using the main body truck and each positioned vehicle, and each casing is disassembled while keeping the height of the supercharger mounted on the main body truck. It is possible to do this without adjusting the position by simply aligning the centering rods. Time 1+41 can be shortened to t.

Furthermore, the device of the present invention can also be used as an assembly device. That is,
It has many excellent effects such as being usable not only as a disassembly and assembly device but also as an assembly device.

[Brief explanation of drawings]

Fig. 1 is a side sectional view showing the entire conventional supercharger, Fig. 2 is an explanatory diagram of the disassembled state of Fig. 1, and Fig. 3 shows the disassembled state of the device according to the present invention. FIG. 2 is an IT diagram showing the state of work at the nl station. Explanation of the main parts of the figure ■4... Base plate 15... Vertical rail 28... Main body truck 44.50.58... Centering rod 48... Height adjustment bolt 57... Height Adjustment bolt

Claims (1)

[Claims] In equipment that disassembles and reassembles assembled parts,
A main body truck on which parts to be disassembled are mounted is installed on rails running in the vertical direction, and a plurality of horizontal rails are provided that run perpendicularly to the rails, which can be positioned with the main body truck, and can be mounted at a height. A disassembling and assembling device characterized by being equipped with a plurality of carts that can be adjusted.