JP3114135U - Vibration isolator for pump - Google Patents

Abstract

【Task】
In the water supply / drainage pump unit, there are various combinations of pumps and motors, the sizes of the mounting base B are various, and there are various intervals in the width direction and in the longitudinal direction of the bolt holes for mounting the base B. Therefore, it is necessary to prepare a variety of anti-vibration mounts, and not only manufacturing but also installation work is extremely inefficient. The present plan provides a vibration isolator 1 that can accommodate a wide variety of pump bases.
[Solution]
A base mounting plate 6 that covers the upper surface of the upper base 3 of the vibration isolator 1 and has both ends of a U-shaped water guide duct 7 fixed to the back surface of the central portion integrally fixed to the short side frame; Water collecting slot 8 opened to the upper pump mounting side, at least one pair of oblique bolt holes 9, 9 symmetrically provided across the water collecting slot, and both sides of the mounting plate on the motor mounting side A pair of notches 10 and 10 provided at the top and at least one pair of oblique bolt holes 12 and 12, and position adjusting plates 11 and 11 that slide in the longitudinal direction of the water guide duct in the notches.
[Selection] Figure 1

Description

  The present invention relates to a vibration isolation frame for a pump unit for water supply / drainage.

The pump unit is composed of a pump and a motor with the desired performance connected to each other and fixed on a single base, but there are various combinations of pumps and motors. There are also various. A general anti-vibration stand is known as disclosed in, for example, Japanese Patent No. 3330346, but in this type of anti-vibration stand, cement mortar or the like is poured into the upper stand in order to correspond to the position of the center of gravity that differs depending on the model. It is also done to adjust the load.

In addition, the width in the width direction and the distance in the longitudinal direction of the bolt holes for mounting the pump base are various, and therefore, the frame manufacturer needs to prepare various types of mounting frames, and not only the production but also the installation work is extremely difficult. It was difficult to reduce costs due to efficiency.

Japanese Patent No. 3330346

  This proposal provides an anti-vibration mount that can accommodate a wide variety of pump bases with different bolt mounting hole positions and intervals. The mounting position can be set relatively freely, requiring fewer production models and installation. Costs can be reduced because the work becomes easier.

The proposed anti-vibration mount is covered with a base mounting plate and fixed with a base mounting plate, and a U-shaped water guide duct is fixed to the back of the center of the plate, and both ends are fixed to the short side frame. Turn into. One end of the water guide duct may be in open communication with a drain hole provided in the side of the frame, but a drain pipe may be connected to the bottom. A water collection long hole is opened at the center of the pump installation side on the water guide duct, and at least one set of oblique bolt holes are symmetrically provided across the water collection long hole. A pair of notches are provided on both sides of the mounting plate on the motor mounting side, and a position adjusting plate having at least one pair of oblique bolt holes is slidable in the longitudinal direction of the water guide duct in the notches. Mated. The position and number of the oblique bolt holes are arbitrary.
In the present plan, the slanted bolt hole refers to a bolt insertion long hole formed obliquely on the surface of the mounting plate. Note that the entire gantry is rust-proofed such as galvanized.

The proposed gantry is sturdy because the mounting plate is fixed to the upper surface of the upper gantry, and the water guide duct disposed at the center of the back surface of the mounting plate is also fixed to the gantry frame. Since the pump side base mounting hole (which generates vibration) that is relatively heavy is temporarily fixed at the desired position on the plate, the position adjustment plate can be slid into the bolt mounting hole on the motor side for alignment. In addition to being easy to attach, it is easy to freely change the base position on the gantry and set it to a predetermined position, so that the vibration isolation performance of the gantry is not impaired.
Furthermore, the pair of diagonal bolt holes not only facilitates the assembly and fastening work but also has an effect of preventing the displacement of the base in the width direction even after the assembly.

In the figure, 1 is a square vibration isolator, 2 is a lower base fixed to the floor, 3 is an upper base, 4 is an anti-vibration material composed of a rubber plate and a coil spring, and 5 is a stopper bolt.
Reference numeral 6 denotes a pump base mounting plate fixed so as to cover the upper surface of the upper frame. A water guide duct 7 having a U-shaped cross section is fixed to the center in the longitudinal direction of the rear surface, and both ends of the duct are joined to the frame of the upper frame. The whole is reinforced. 8 is a water collecting long hole opened by bending the mounting plate along the pump mounting side duct, and 9 is an oblique bolt insertion hole formed by a long hole symmetrically penetrating the water collecting long hole. In the case where two or more are provided, the interval is arbitrary.
Reference numeral 10 denotes a pair of notches provided on both sides of the motor side mounting plate, and 11 denotes a slide adjusting plate that fits into each of the notches. The plate surface has one bolt hole 12 similar to the oblique bolt hole 9. At least one of them is penetrated and a side wall 11A is formed on the outer edge of the adjusting plate, and one or two positioning bolts 14 for the upper frame are provided. In FIG. 1, one adjusting plate is indicated by a chain line. Reference numeral 13 denotes an adjusting plate support member welded to the lower surface of the inner edge of the notch.

The water leaked into the water guide duct 7 from the water collecting long hole 8 is drained through the drain hole 20 provided in the side part of the upper base or the drain pipe 21 provided in an appropriate position at the bottom of the duct.

Plan view of the proposed vibration isolator Same side view AA enlarged sectional view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Anti-vibration stand 2 Lower stand 3 Upper stand 4 Anti-vibration material 5 Stopper bolt 6 Mounting plate 7 Reinforcement material and water guide duct 8 Water collection long hole 8A Water collection guide 9, 12 Diagonal bolt hole 10 Notch 11 Position adjustment plate 11A Side wall 13 Adjusting plate support member 14 Positioning bolt 20 Drain hole connected to duct 21 Drain pipe 22 Pit F Floor

Claims (2)

A base mounting plate that covers the upper surface of the rectangular anti-vibration frame and is fixed to the back of the central portion and is fixed to the short side frame integrally at both ends of the U-shaped water guide duct, A water collecting slot that opens on the plate surface of the pump mounting side, at least one pair of oblique bolt holes that are symmetrically provided across the water collecting slot, and provided on both sides of the mounting plate on the motor mounting side A pump anti-vibration mount comprising a notch and a position adjusting plate that has at least one pair of oblique bolt holes and slides in the longitudinal direction of the water guide duct in the notch. The anti-vibration stand for pumps according to claim 1, wherein the water guide duct opens in a drain hole provided on a side surface of the frame of the upper stand.

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