JPH11141746A - Pipe support device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily replace a urethane block used for supporting a pipe. SOLUTION: A urethane block 20 having an engaging groove 7 comprising an axial depressed groove 8 and a peripheral depressed groove 9 on the upper surface thereof is divided in the axial direction at the depressed groove 9 in the center and the half part from one end to the center in the axial direction is vertically divided to make an axial half part, an upper half small divided block 20a, and a large divided block 20b. Both the blocks 20a, 20b are fastened in the axial direction by a bolt 17 and the engaging groove is fitted on an axial stopper lug on the bottom surface of a pipe to support the pipe. The bolt 17 is removed and the divided block 20a is axially pulled off. The urethane block 20 can be replaced without moving up the pipe by moving the remaining part axially in the opposite direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe supporting device for supporting a low-temperature fluid pipe.

[0002]

2. Description of the Related Art As a device for supporting a low-temperature pipe through which a low-temperature fluid flows, a urethane block 1 is used as schematically shown in FIGS. That is, the metal bearing plate 3 is placed and fixed on the metal sliding shoe 2 in an arc shape protruding downward, and the shaft stopper 4 is bent upward on both left and right sides of the upper surface of the bearing plate 3. And protrude and attach it,
A urethane block 1 whose upper surface is formed in a semicircular shape according to the outer diameter of the pipe 10 is placed between the left and right shaft stoppers 4, and the bearing plate 3 and the urethane block 1 are screwed into the screw holes of the bearing plate 3. Screw 6 through 5
To fix it. On the other hand, a cover plate 11 is attached over a wide area on the lower surface of a place where the pipe 10 is to be supported, and a plate member 13 extending in the axial direction of the pipe 10 and extending in the circumferential direction is provided on the lower surface of the center of the surface of the cover plate 11. A cross-shaped shaft stopper lug 12 composed of a plate member 14 is fixed by welding so as to protrude downward, and concave grooves corresponding to the plate members 13 and 14 constituting the shaft stopper lug 12 are formed on the upper surface of the urethane block 1. An engagement groove 7 composed of 8 and 9 is provided, and the engagement groove 7 is fitted to and engaged with the shaft stopper lug 12 to support the pipe 10. The urethane block 1 makes the same movement via the shaft stopper lug 12 with respect to the displacement in the perpendicular direction, and the sliding shoe 2 slides via the sliding plate 15. It is to be so.

[0003]

However, in the above-described conventional apparatus for supporting a low-temperature pipe, the urethane block 1 is located between the front and rear shaft stoppers 4 on the bearing plate 3 and the shaft stopper lug 12 on the lower surface of the pipe 10 has an upper surface. And the urethane block 1 is fixed so as to make the same movement as the pipe 10, so that the pipe 10
, The urethane block 1 and the sliding shoe 2 can move integrally, and can support the pipe 10. However, it is necessary to replace the urethane block 1 and remove the urethane block 1. In this case, lift the pipe 10 with a jack device or the like, and
The shaft stopper lug 12 on the side must be pulled out above the engaging groove 7 on the upper surface of the urethane block 1, and the urethane block 1 must be lifted to a high position in order to remove it from between the front and rear shaft stoppers 4. It is necessary to raise the pipe 10 to a high position every time the replacement of the urethane block 1 is performed, and there is a problem that the replacement of the urethane block 1 is a difficult operation.

Therefore, an object of the present invention is to provide a piping support device that allows the urethane block to be easily replaced.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is to fit a shaft stopper lug which is fixed in an axial direction and a circumferential direction on a lower surface of a portion to be supported of a pipe. A urethane block having an engaging groove formed of a concave groove extending in the axial direction and the circumferential direction on the upper surface is divided in the axial direction with the circumferential groove as a center, and a half from one axial end to the central portion is divided. Divided in the up-down direction, divided into two small blocks above the half in the axial direction and a large divided block in which the block body below the half in the axial direction is extended in the axial direction. Of the large divided block is axially locked by sandwiching both ends in the axial direction between the shaft stoppers at both axial ends above the sliding shoe, and further dividing the small divided block into the large divided And tightening comprising constituting the two half blocks placed on the lock of the block in the axial direction by bolts.

When replacing the urethane block, the bolts tightened in the axial direction are removed, and then the small divided block is pulled out toward the front in the axial direction. The engagement groove on the urethane block side, which was engaged with the circumferential plate material of the shaft stopper lug on the pipe side, is divided from the circumferential groove, so when pulling out a small divided block in the axial direction, the shaft stopper lug Never get caught in Also, the small divided block does not interfere with the shaft stopper, so that it can be easily pulled out.

When the small divided block is pulled out, the remaining large divided block can be removed from under the pipe by moving it to the opposite side in the axial direction together with the sliding shoe.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1A and 2B and FIGS. 2A and 2B
(C) shows an embodiment of the present invention, in which the surface of the pipe 10 is brought into contact with the bearing plate 3 fixed to the upper surface of the sliding shoe 2 as in the case of the pipe support device shown in FIGS. A urethane block 1 having an engagement groove 7 is placed and fixed on the upper surface of a circular arc surface, and both ends in the axial direction are axial stoppers 4 on a bearing plate 3.
And a shaft stopper lug 12 composed of plate members 13 and 14 in the axial direction and the circumferential direction fixed via a cover plate 11 to the lower surface of the portion of the pipe 10 to be supported.
Then, the urethane block 1 is brought into contact with the lower surface of the pipe 10 so that the engagement groove 7 is fitted, and the shaft stopper lug 1
2 and the urethane block 1 moves in the same direction as the pipe 10, the urethane block 1 is divided in the axial direction as shown in FIGS. A urethane block 20 including a small divided block 20a and a large divided block 20b obtained by dividing a half from one end in the axial direction to a central portion in the vertical direction.
The urethane block 20 composed of the divided blocks 20a and 20b is integrally fixed in the axial direction by passing a bolt 17 through a bolt hole 16 penetrating in the axial direction and fixing the urethane block 20 with a nut 18 to fix the urethane block 20 in the axial direction. B)
As shown in the figure, the pipe is supported by being located between the front and rear shaft stoppers 4 on the bearing plate 3 on the sliding shoe 2 and the engagement groove 7 on the upper surface is fitted and engaged with the shaft stopper lug 12 on the lower surface of the pipe 10. By doing so, the same movement as the pipe 10 can be performed similarly to the conventional urethane block 1.

The urethane block 20 according to the present invention.
Of the divided blocks 20a and 20b constituting the above, the smaller divided block 20a is, as shown in FIGS.
The urethane block 20 is divided into a ring shape from the upper surface side (inner diameter side) at a central portion in the axial direction, and a half from an axial end to a central portion at a position higher than the shaft stopper 4 is horizontally divided. By forming a concave portion 21 extending in the axial direction on the outer diameter side serving as the lower surface, the thickness of the central portion is reduced so as not to interfere with the shaft stopper 4 at one end fixed on the bearing plate 3. The block is large enough to move in the axial direction. On the other hand, as shown in FIGS. 2A and 2C, the large divided block 20b is formed by projecting the block body 19 divided by the divided block 20a in half from one end in the axial direction to the center, and projecting in the axial direction. There is a block with a structure.

Both of the divided blocks 20a and 20b are provided with a concave groove 8 extending in the axial direction and cutout grooves 22a and 22b extending in the circumferential direction on the inner diameter side which is the upper surface, and the block body 19 of the large divided block 20b is provided. When a small divided block 20a is placed on the upper surface of the base plate and abutted in the axial direction, a concave groove 9 is formed by the notched grooves 22a and 22b, and the concave groove 9 and the axial groove 8 are engaged with each other. The groove 7 is formed.

The other components are the same as those shown in FIGS. 3 and 4, and the same components are denoted by the same reference numerals.

When the pipe 10 is supported by using the pipe support device of the present invention, as shown in FIGS. 1A and 2B and FIG. 2A, the pipe 10 is large on the upper surface of the bearing plate 3 on the sliding shoe 2. The divided block 20b is placed, and the outer end face of the divided block 20b and the outer end face of the block body 19 are arranged along the upper surface of the bearing plate 3 and fitted between the two shaft stoppers 4 fixed to both ends. Then, the movement in the axial direction is restricted by the axial stopper 4, and then the small divided block 20a is placed on the block body 19 of the divided block 20b and butted in the axial direction. In a state where the grooves 22a and 22b are combined to form the concave groove 9, the two divided blocks 2
One bolt 17 is passed through a bolt hole 16 provided through the holes 0a and 20b and fastened with a nut 18, and the divided blocks 20a and 20b are united to form the urethane block 20.
And

Further, the bearing plate 3 and the divided blocks 20a and 20b are fixed through screws 6 through screw holes 5 provided at both ends of the bearing plate 3 in the circumferential direction of the pipe.

When the urethane block 20 is fixed on the bearing plate 3 as described above, the shaft stopper lug 12 fixed to the lower surface of the pipe 10 in the same manner as in the conventional case, engages with the engagement groove 7 on the upper surface of the urethane block 20. Are fitted and engaged to support the pipe 10.

When the pipe 10 is supported, the pipe 10
When the shaft moves in the axial direction, the shaft stopper lug 12 on the pipe 10 side
The urethane block 20 is moved in the axial direction by the engagement of the plate member 14 constituting the groove 10 and the concave groove 9 formed by the notch grooves 22a and 22b constituting the engagement groove 7 on the upper surface of the urethane block 20, so that the pipe 10 Can be supported. At this time, although the urethane block 20 is divided into two parts in the axial direction, a large divided block 2 is provided between the front and rear shaft stoppers 4.
2A is interposed as shown in FIG. 2A, and the divided block 20a having a reduced thickness is fixed to the divided block 20b with bolts 17, so that the divided blocks 20a and 20b are bearings. It does not move in the axial direction on the plate 3, but moves integrally with the sliding shoe 2.

In addition, the movement of the pipe 10 in the direction perpendicular to the axial direction is prevented by the shaft stopper lug 1 as in the conventional case.
By the engagement of the second plate member 13 and the concave groove 8 of the engagement groove 7, the urethane block 20 can perform the same movement to support the pipe 10.

Next, when exchanging the urethane block 20, the bolts 17 fixing the divided blocks 20a and 20b are first removed without lifting the pipe 10, and the screws fixing the divided block 20a are removed. Remove 6. Next, the block body 1 of the divided block 20b
9 is pulled out axially outward. Since the divided block 20a is vertically divided at a position above the shaft stopper 4 so as not to interfere with the shaft stopper 4 at one end of the bearing plate 3, the shaft stopper 4 is pulled out in the axial direction of the pipe 10. Can be pulled out in the horizontal direction without interfering with the shaft stopper lug 12 on the pipe 10 side because the groove is divided by the concave groove 9 of the engagement groove 7 to form the notch grooves 22a and 22b. Since there is no such, the divided block 20a can be easily removed.

Thus, one divided block 20a
Is removed, the remaining divided block 20b is entirely fixed to the bearing plate 3 and the entire pipe 1
It is moved in the axial direction that does not interfere with the 0-side shaft stopper lug 12 to be removed.

When assembling a new urethane block 20, the new urethane block 20 is assembled according to the above-described assembling procedure when supporting the piping.

As described above, the urethane block 2 can be separated without separating or integrating the two divided blocks 20a and 20b without lifting the pipe 10.
0 can be exchanged, and the time and labor required for the exchange can be greatly reduced.

It should be noted that the present invention is not limited to the above embodiment.
Divided block 20b having a block body 19 on one side
And a divided block 20a overlapping the block body 19, the divided block 20a
Although the bottom surface of “a” shows a case where the concave portion 21 is formed, the bottom surface may be divided between the block body 19 so that the bottom surface is flat, and other departures from the gist of the present invention. Of course, various changes can be made within a range not to be performed.

[0023]

As described above, according to the pipe support device of the present invention, the pipe support lug is engaged with the shaft stopper lug made of a plate material extending in the axial direction and the circumferential direction fixed to the lower surface of the place where the pipe is to be supported. A urethane block having an engaging groove consisting of a longitudinal direction and a circumferential groove is divided in the axial direction along the circumferential groove, and a half from one axial end to the center is vertically moved. The large divided block is divided into two parts: a large divided block in which a block body is horizontally extended at a lower portion, and a small divided block mounted on the block body extended from the divided block. The two ends in the axial direction are sandwiched between the shaft stoppers at both ends in the axial direction above the sliding shoe and locked in the axial direction, so that the small divided block does not interfere with the shaft stopper. Since it is configured to be able to move in the axial direction, the two divided blocks are abutted in the axial direction, the shaft stopper lug on the lower surface of the pipe is sandwiched between the divided blocks divided into two, and fixed by being bolted in the axial direction and fixed. In the state where the pipe is supported, the pipe and the urethane block can move integrally.In addition, the urethane block can be installed under the pipe to support the pipe, or the urethane block can be replaced from under the pipe to replace the urethane block. When removing, even if the shaft stopper lug on the lower surface of the pipe and the engaging groove on the upper surface of the urethane block are engaged, remove the axial bolt and pull out the small divided block in the axial direction as it is, leaving the remaining large divided block on the opposite side. Urethane block can be easily replaced without lifting the piping It is possible to improve the exchange efficiency of urethane block, an excellent effect.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a pipe support device of the present invention, in which (A) is a front view and (B) is a side view.

FIG. 2 shows a urethane block in the piping support device of the present invention, wherein (A) is a view taken along the line AA in FIG. 1 (A),
(B) is a perspective view of a small divided block formed by dividing a urethane block into two parts, and (C) is a perspective view of a large divided block.

FIGS. 3A and 3B show a conventional pipe support device, wherein FIG. 3A is a front view and FIG. 3B is a side view.

FIG. 4 is a cross-sectional view of the urethane block as viewed from the BB direction in FIG.

[Explanation of symbols]

 2 sliding shoe 4 shaft stopper 7 engaging groove 8 concave groove 9 concave groove 10 piping 12 shaft stopper lug 16 bolt hole 17 bolt 18 nut 19 block body 20 urethane block 20a small divided block 20b large divided block

Claims (1)

[Claims] 1. An engagement groove comprising an axially and circumferentially extending concave groove which is fitted and engaged with a shaft stopper lug fixed in an axial direction and a circumferential direction on a lower surface of a portion to be supported of a pipe. The urethane block is divided axially around the circumferential groove, and the half from one axial end to the center is vertically divided into small portions above the axial half. A shaft, and a lower half of the block in the axial direction, which is divided into two large divided blocks in which the block body is extended in the axial direction, and both ends in the axial direction of the large divided block are located at both ends in the axial direction above the sliding shoe. Only the large divided block is locked in the axial direction by being sandwiched between the stoppers. Further, the small divided block is placed on the block body of the large divided block, and both divided blocks are A pipe support device characterized by being bolted in the direction.