JPH11216626A - Assembly bed for apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the alignment of through holes in two sub beds, to reduce the number of bolts, and to enable the hoisting after coupling by providing reamed bolt holes, and tapered reamer bolts having a tapered part between a shank part and a male screw at a tip of the shank part. SOLUTION: The alignment of a first through hole 116 with a second through hole 117 is facilitated through the alignment function by employing a tapered reamer bolt 1 having a tapered part 4 continuous to a male screw 5 and a shank part 3 continuous to the tapered part 4, and the relative position of first and second sub beds 107, 108 can be easily regulated. Because the first and second sub beds 107, 108 are coupled with each other through the shank part 3 of the tapered reamer bolt 1 in the aspect of the load, the coupling is achieved by the tapered reamer bolt 1 of large sectional area, and the number of bolts can be reduced. Also, because the first and second sub beds 107, 108 are supported through the shank part 3, an assembly bed for an apparatus can be hoisted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling pedestal for an apparatus in which two sub pedestals are arranged side by side in a horizontal direction and joined together.

[0002]

2. Description of the Related Art For example, a gas turbine power generation device or the like is manufactured in a factory and installed on a device floor. As the size of the machinery increases, so does the size of the platform for the equipment and the need for large machine tools.
It is difficult to manufacture them integrally. Therefore, an assembling pedestal for an apparatus is used in which two sub pedestals are arranged side by side in the horizontal direction and joined together.

[0003] As means for assembling two sub-beds to produce an assembling bed for an apparatus, first connecting means and second connecting means are known. The first coupling means will be described with reference to FIGS. In FIG. 4, a gas turbine power generation device 101 includes a driving device 102 including a gas turbine,
Coupling 103, driven machine 104, and driven machine 104
And a generator 105 connected to the apparatus.

[0004] The assembling pedestal 106 for the apparatus is composed of a first sub pedestal 107 and a second sub pedestal 108.
The driving device 102 is installed on the first sub platform 107, and the driven machine 104 and the generator 105 are mounted on the second sub platform 108.
Is installed. FIG. 5 and FIG.
06 shows the binding moiety. In the figure, the first sub bedrock 1
07 and the second sub bed 108 are arranged side by side in the horizontal direction.

The first sub-bed 107 is provided with first side frames 109 and 1 made of H-shaped steel or I-shaped steel.
09 and one end 1 of the first side frames 109, 109
A first vertical end plate 110 bridged to the 09A and 109A;
A first base plate 111 on which the driving device 102 is mounted. The first vertical end plate 110 is
Of the side frames 109, 109 at one end 109A, 10
9A are welded by contacting the end faces 109B and 109B.

[0006] The second sub bed 108 is made of H-shaped steel or I-shaped steel.
Second side frames 112 and 11 made of steel or the like
2 and one end 11 of the second side frame 112, 112
It has a second vertical end plate 114 bridged between 2A and 112A, and a second base plate 115. The second vertical end plate 114 abuts on the end surfaces 112B, 112B of the one ends 112A, 112A of the second side frames 112, 112 and is joined by welding.

[0007] The first vertical end plate 110 is a second vertical end plate 11.
4. Then, the first of the first vertical end plates 110
Of the side frames 109, 109 of the web 109C, 1
The first through holes 116 and 11
6, 116 are formed vertically. On the other hand, the second side frame 11 of the second vertical end plate 114
The second through holes 117, 117, 117 are formed in the portions of the webs 2, 112 outside the webs 112C, 112C, respectively. Second through holes 117, 11
7, 117 are located at positions facing the first through holes 116, 116, 116.

[0008] As shown in FIG.
Of the first sub bed 107 from the second through hole 117 of the first
Bolt 118, 118, 118
Is pierced. As shown in FIG. 7, the male screw 118A at the tip of the bolt 118 is connected to the nut 1 through the flat washer 113.
20, the first and second vertical end plates 110, 1
The first and second sub-beds 107 and 108 are integrated by joining the first and second vertical end plates 110 and 114 by abutting the surfaces 110A and 114A facing each other.

The outer peripheral surface 118D of the bolt 118 is
A gap S is formed between the inner peripheral surfaces 116A and 117A of the second through hole 117, and the head 1 of the bolt 118 is formed.
18B seat surface 118C and nut 120 seat surface 120A
Only the weight of the assembly floor 106 for the apparatus and the gas turbine generator 101 is supported. The second coupling means is
The knocking pin 123 shown in FIG. 8 is added to the first coupling means shown in FIGS. 4 to 7.

In FIG. 8, the first vertical end plate 110 has a first
Of the side frames 109, 109 of the web 109C, 1
09C, webs 112C, 112C of the second side frames 112, 112 of the second vertical end plate 114.
A plurality of small holes 121 and 122 are formed in the outer portion, respectively.
23 is a first sub bed rest 107 and a second sub bed bed 108
After assembling, it is driven.

[0011]

However, when the apparatus assembling platform 106 is assembled by the first connecting method, the gas turbine generator 101 mounted on the apparatus assembling platform 106 will be lifted. As the bolt 11
8, since only the seating surface 118C of the head 118B and the seating surface 120A of the nut 120 support the weight of the assembly floor 106 for the device and the gas turbine generator 101,
The bolt 118 generates slip by the gap S, and the first
Since the vertical end plate 111 and the second vertical end plate 114 may slide relatively vertically and the assembly accuracy may not be maintained, the gas turbine generator 101 mounted on the assembly floor 106 for the apparatus may be used. Cannot be lifted.

On the other hand, when the apparatus assembling pedestal 106 is assembled by the second connecting method, the knock pin 123
As a result, the first sub bed rest 107 and the second sub bed floor 108
Can be positioned, but the weight acting on the knock pin 123 increases because the weight of the apparatus assembly base 106 and the gas turbine generator 101 is supported. for that reason,
The number of the knock pins 123 increases, and a space for driving the knock pins 123 is required. However, the outer portions of the first side frames 109, 109 of the first vertical end plate 111 outside the webs 109C, 109C, and the second vertical End plate 114
Of the second side frames 112, 112 of the web 112
A sufficient space cannot be ensured in portions outside C and 112C.

In addition to the first and second joining methods, the two sub-beds may be joined by welding.
It is said that welding distortion is remarkable, and it is difficult to ensure the assembly accuracy of the mechanical device. In addition, when the machinery and equipment are large-scale, it is inconvenient to integrate them and transport them directly from the factory to the installation site because a large trailer is required. Therefore, at the factory, the pedestal is divided into, for example, two sub pedestals, and a large-scale mechanical device is also divided into two corresponding to the two divided sub pedestals and installed on the divided sub pedestals. Each of the machinery installed in the site is transported to the installation site, and the two sub-beds divided at the installation site are integrated by horizontally arranging them together, and at the same time the machinery is also integrated. I have. That is, the assembling pedestal 106 for the device assembled by the second coupling method is connected to the first sub pedestal 1.
07 and the second sub bed 108, it is difficult to align the axes of the plurality of fine holes 121, 122 at the installation site, and the first sub bed 107 and the second It becomes difficult to restore the sub bed 108 to the correct assembled state at the time of shipment from the factory.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to easily align the through holes of the vertical end plates of the two sub-beds with two vertical end plates. The object of the present invention is to provide an assembling floor for a device which can be lifted after the number of bolts to be connected to each other is reduced.

[0015]

According to the present invention, a first sub-base having a first vertical end plate and a second sub-base having a second vertical end plate are provided with a first vertical end. A first through hole is formed in the first vertical end plate of the first sub platform, and a second through hole is formed in the first vertical platform of the first sub platform. A second through hole is formed in the second vertical end plate at a position corresponding to the first through hole of the second sub bed, and the first through hole,
A bolt is penetrated through the second through-hole, a male screw at the tip of the bolt is tightened with a nut, and the first and second vertical end plates are joined by abutting opposing surfaces.
In the apparatus assembling pedestal in which the sub pedestals are integrated, the bolt through hole is a reamed hole, and the bolt is formed between the shank portion and the male screw at the tip of the shank portion. And a tapered reamer bolt having a tapered portion.

(Operation) In the present invention, the axis of the first through-hole of the first vertical end plate of the first sub-platform and the second axis of the second vertical end plate of the second sub-platform are provided. When the axis of the through hole is displaced, the male screw at the tip of the tapered reamer bolt is tightened with a nut.
The first through hole of the vertical end plate is guided by the tapered portion of the tapered reamer bolt, and the axis of the first through hole of the first vertical end plate of the first sub bed, and the second sub bed. The axes of the second through holes of the second vertical end plate coincide with each other, and the first vertical end plate and the second vertical end plate are joined. That is, the tapered portion of the tapered reamer bolt has a function of centering the first through hole and the second through hole.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3, an assembly base for an apparatus according to an embodiment of the present invention will be described. In the embodiment of the present invention, the entire structure of the assembling pedestal floor for the apparatus is basically the same as that of the conventional example, and the same components are denoted by the same reference numerals and will not be described. explain.

In the drawings, reference numeral 1 denotes a tapered reamer bolt, and the tapered reamer bolt 1 includes a head 2, a shank 3 continuous with the head 2, a tapered portion 4 continuous with the shank 3, and a tapered portion. 4 and a male screw 5 that is continuous with the SCM435. For example, SCM435 is used as a material.
An annular notch 6 is formed between the head 2 and one end 3A of the shank portion 3, and an annular notch 7 is formed between the tip 4A of the tapered portion 4 and the male screw 5.

The shank portion 3 is machined with high precision and has a circular cross section having the same outer diameter.
The second through hole 117 is inserted. From the bearing surface 2A of the head 2 of the tapered reamer bolt 1 to the other end 3 of the shank 3
The distance to B is longer than the length of the second vertical end plate 114. Further, the first through hole 116 and the second through hole 117 corresponding to the shank portion 3 are also reamed with high precision.

The tapered portion 4 is shorter than the length of the first vertical end plate 110. The male screw 5 at the tip of the tapered reamer bolt 1 is tightened by a nut 9 via a flat washer 8, and the first and second sub-beds 107 and 108 are first and second.
Faces 110A, 11 of vertical end plates 110, 114 of
The first and second vertical end plates 110 and 114 are joined by butting and joining the 4A, and the first and second sub-beds 107 and 108 are integrated.

Next, the operation of the present embodiment will be described. At the factory, the first sub pedestal 107 and the second sub pedestal 1
When the assembly base plate 106 is manufactured by integrating the device 08 with the base plate 106, the following procedure is performed. In the first stage, the first sub-platform 107 and the second sub-platform 108 are arranged side by side in the horizontal direction, but the first through-hole 116 of the first sub-platform 107 and the second sub-platform Second through hole 1 in floor 108
17 is not coincident and is in a state away from the correct position.

With an actuator such as a hydraulic jack,
The first sub-platform 107 and the second sub-platform 108 are relatively moved in the vertical and horizontal directions. Thereby, the first through hole 1
The axis of 16 and the axis of the second through-hole 117 substantially coincide with each other, and are shifted by a small amount. In the second stage, the relative positions of the first sub platform 107 and the second sub platform 108 are finely adjusted as follows, and the axis of the first through hole 116 and the axis of the second through hole 117 are Aligned.

As shown in FIG. 3A, the axis of the first through hole 116 of the first vertical end plate 110 of the first sub platform 107 and the second axis of the second sub platform 108 Although the axes of the second through holes 117 of the vertical end plate 114 are shifted, they are substantially the same. In this state, when the male screw 5 at the end of the tapered reamer bolt 1 on both sides is simultaneously tightened with the nut 9 to move the first sub bed 107, the state shown in FIG.

That is, the first through hole 116 of the first vertical end plate 110 of the first sub-bed 107 is guided by the tapered portion 4 of the tapered reamer bolt 1, and the first vertical end plate 110
The axis of the first through-hole 116 coincides with the axis of the second through-hole 117 of the second vertical end plate 114. That is, the tapered portion 4 of the tapered reamer bolt 1 has a centering function.

At the factory, the first sub-bed 107 and the second sub-bed 108 are assembled to produce an assembling bed 106 for the apparatus, and the driving machine 10 is placed on the first sub-bed 107.
2 and the driven machine 104 and the generator 105 are installed on the second sub platform 108, and then divided into the first sub platform 107 and the second sub platform 108 and transported to the installation site. Also, when reassembling the apparatus assembling pedestal 106, the gas turbine power generator 101 is assembled on the apparatus assembling pedestal 106 by the same operation as that described above.

According to the above configuration, since the tapered reamer bolt 1 having the tapered portion 4 continuous with the male screw 5 and the shank portion 3 continuous with the tapered portion 4 is adopted, the centering of the tapered reamer bolt 1 is performed. By function
Since the first through-hole 116 and the second through-hole 117 can be easily aligned and the relative positions of the first and second sub-beds 107 and 108 can be easily adjusted, the knock pin can be used. Become useless.

In terms of load, the first and second sub-beds 10 are connected via the shank 3 of the tapered reamer bolt 1.
7 and 108, unlike the conventional knock pin having a small cross-sectional area, is connected by a tapered reamer bolt 1 having a large cross-sectional area. Therefore, the number of the reamer bolts can be reduced and the structure can be simplified. Further, the first and second sub bedrocks 10 are formed via the shank portions 3 of the tapered reamer bolts 1.
7 and 108, so that the first and second sub-beds 10 are supported.
The apparatus assembly base floor 106 to which the units 8, 108 are connected can be lifted.

In the case where the first sub-bed 107 is divided into a first sub-bed 107 and the second sub-bed 108 is transported and assembled at the installation site, the first through hole 116 is formed by inserting the tapered reamer bolt 1. And the second through hole 117 can be easily aligned. In the present embodiment, the male screw 5 at the tip of the tapered reamer bolt 1 is tightened by the nut 9 to move the first sub bed 107, and the first sub bed 107 is moved by an actuator such as a hydraulic jack. Is moved in the vertical and horizontal directions, but when the weight of the first sub-platform 107 and the second sub-platform 108 is small, an actuator such as a hydraulic jack is not used. May be.

Also, in the present embodiment, an example has been described in which the first and second sub-beds 107 and 108 are assembled to form an assembly floor 106 for one apparatus, but the number of sub-beds is three. If there are more than two, two adjacent sub-beds can be similarly united one by one to produce an assembly base for the apparatus.

[0030]

According to the present invention, since the tapered reamer bolt having the tapered portion continuous with the male screw and the shank portion continuous with the tapered portion is employed, the first alignment function of the tapered reamer bolt is achieved. The center of the through hole and the second through hole can be easily aligned, and the relative positions of the first and second sub platform can be easily adjusted.

Further, since the first and second sub-beds are connected via the shank portion of the tapered reamer bolt in terms of load, a knock pin is not required, and unlike the conventional knock pin, the number of tapered reamer bolts is reduced. Yes, the structure can be simplified. further. Since the first and second sub-beds are supported via the shank portions of the tapered reamer bolts, it is possible to lift the assembly base for the apparatus in which the two sub-beds are connected.

In the case where the first sub-bed and the second sub-bed are separately transported and assembled at the installation site,
The insertion of the tapered reamer bolt facilitates alignment of the first through hole and the second through hole.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional side view showing a connecting portion of an apparatus assembling pedestal according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a main part of a connecting portion of the assembling pedestal for the same device.

FIG. 3 is an explanatory view of a centering operation of a tapered reamer bolt at the time of assembling an assembling base floor for the same device.

FIG. 4 is a side view showing a conventional gas turbine power generator installed on an assembly floor for a device.

FIG. 5 is a partial cross-sectional side view showing a connection portion of the assembly base floor for the same device.

FIG. 6 is an exploded perspective view showing a connection portion of the assembly base for the apparatus.

FIG. 7 is an enlarged view of a main part of a connecting portion of the assembly base for the device according to a first connecting method.

FIG. 8 is an enlarged view of a main part of a connection part of the assembly base floor according to a second connection method.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Reamed bolt with taper 3 Shank part 4 Tapered part 5 Male screw 106 Assembly floor for apparatus 107 First sub floor 108 Second sub floor 116 First through hole 117 Second through hole 110 First vertical End plate 114 Second vertical end plate

Claims (1)

[Claims] 1. A first sub-platform having a first vertical end plate and a second sub-platform having a second vertical end plate are provided with a first vertical end plate and a second vertical end plate. Are arranged side by side in a state where they face each other, a first through-hole is formed in a first vertical end plate of a first sub platform, and a second through hole is formed in a second vertical end plate of a second sub platform. The first of the second sub platform
A second through-hole is formed at a position corresponding to the through-hole, a bolt is penetrated through the first through-hole and the second through-hole, and a male screw at the tip of the bolt is tightened with a nut.
In a device assembling pedestal in which the first and second sub pedestals are integrated by abutting and joining opposing surfaces of a second vertical end plate, the bolt through hole is a reamer hole, and An assembling base plate for a device, wherein the bolt comprises a tapered reamer bolt having a shank portion and a tapered portion formed between the shank portion and a male screw at the tip.