CN216645194U

CN216645194U - Device for checking angle of fan blade of cooling tower

Info

Publication number: CN216645194U
Application number: CN202220254820.3U
Authority: CN
Inventors: 梁峰; 路书正
Original assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Current assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-05-31
Anticipated expiration: 2032-02-08

Abstract

The utility model relates to the technical field of measuring tools, and particularly discloses a fan blade angle calibration device for a cooling tower, which comprises an angle ruler, an angle measuring rod and a distance measuring rod, wherein the angle ruler is semicircular, the bottom of the angle ruler is connected with the angle measuring rod, the angle measuring rod is rotatably connected with the distance measuring rod through a pin shaft, and the angle measuring rod and the angle ruler rotate relative to the distance measuring rod through the pin shaft and are used for reading the angle of a blade through the angle ruler when the angle measuring rod is placed on the blade; the utility model has high measurement accuracy, can quickly and accurately measure the height difference of the blades and the actual angles of the blades, effectively reduces the failure rate of equipment, prolongs the benign operation period of the equipment by more than one time, reduces the operation and maintenance cost, lightens the labor intensity of workers and ensures the stable and smooth production; this instrument simple manufacture, and there is the spirit level, make to place more stably, measure more accurately, have the shrink function, convenient to carry, easy and simple to handle.

Description

Device for checking angle of fan blade of cooling tower

Technical Field

The utility model relates to the technical field of measuring tools, in particular to a device for calibrating the angle of a fan blade of a cooling tower.

Background

In the daily inspection maintenance process, all kinds of cooling tower fans use very generally, often because the blade angle is not unified brings the load change, influences safe operation, causes trouble such as blade rupture, equipment damage even to take place, in case damage, both influenced normal production, still brought economic loss, causes the incident even and takes place. The existing cooling tower fan has the defects that the working condition is poor, the types of blades are various, the angles are difficult to accurately measure, no special measuring device is provided, and the blades are measured and adjusted by using a turning ruler, a meter ruler or an angle ruler according to experience, so that the blade angles are not uniform, the operation is not stable, and the equipment vibrates greatly. Therefore, a special checking and measuring tool for the angle of the fan blade of the cooling tower needs to be designed to solve the problem of unstable operation caused by poor measurement precision of the angle of the fan blade of the existing cooling tower.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a device for calibrating the angle of a fan blade of a cooling tower.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a cooling tower fan blade angle calibration equipment, includes bevel protractor, angle measuring pole and distance measuring pole, the bevel protractor adopts semi-circle, and the angle measuring pole is connected to the bottom of bevel protractor, and the angle measuring pole rotates through the round pin axle and connects the distance measuring pole, and angle measuring pole and bevel protractor rotate through round pin axle relative distance measuring pole for the angle measuring pole is placed and is read the angle of blade through the bevel protractor on the blade.

Specifically, the distance measuring rod is inserted into the sleeve, distance scales are arranged on the sleeve and the distance measuring rod and used for reading the height of the blade at the angle of the blade to be measured, and the bottom of the sleeve is fixed on the base.

Specifically, the upper part of the sleeve is provided with a fastening bolt for fixing the distance measuring rod.

Specifically, the angle ruler adopts a semicircular ring structure, angle scales are arranged on the semicircular ring structure, and the circle center of the semicircular ring structure is arranged on the upper edge line of the angle measuring rod.

Specifically, the top of the distance measuring rod adopts a pointer structure, the needle point of the pointer structure indicates angle scales, and the rear end of the angle measuring rod extends out of an angle ruler and is used for forming a rotating handle for angle measurement.

Specifically, the base is provided with a first level gauge and a second level gauge which are used for calibrating the vertical or horizontal level of the distance measuring rod.

The utility model has the following beneficial effects:

the fan blade angle calibration device for the cooling tower, which is designed by the utility model, has high measurement accuracy, can quickly and accurately measure the blade height difference and the actual blade angle, effectively reduces the equipment failure rate, prolongs the benign operation period of equipment by more than one time, reduces the operation and maintenance cost, lightens the labor intensity of workers, and ensures the stable and smooth production; this instrument simple manufacture, and there is the spirit level, make to place more stable, measure more accurately, have the shrink function, convenient to carry, easy and simple to handle.

Drawings

Fig. 1 is a schematic structural diagram of a cooling tower fan blade angle checking device.

Fig. 2 is a schematic structural diagram of a wind tower fan blade angle calibration device lapped on a blade.

In the figure: 1-an angle ruler; 2-an angle measuring rod; 3-a distance measuring rod; 4-a sleeve; 5-fastening bolts; 6-angle pointer; 7-a base; 8-a first level meter; 9-a second level meter; 10-a pin shaft; 11-blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, a cooling tower fan blade angle calibration device, including bevel protractor 1, angle measuring stick 2 and distance measuring stick 3, bevel protractor 1 adopts the semicircle loop to construct, is equipped with the angle scale on the semicircle loop structure, and angle measuring stick 2 is connected to bevel protractor 1's bottom, and angle measuring stick 2 rotates through round pin axle 10 and connects distance measuring stick 3, and angle measuring stick 2 rotates through round pin axle 10 relative distance measuring stick 3 with bevel protractor 1.

The top of the distance measuring rod 3 adopts a pointer structure, the needle point of the pointer structure indicates angle scales, and the rear end of the angle measuring rod 2 extends out of an angle ruler for forming a rotating handle for angle measurement. The angle measuring rod 2 is placed on the blade 11 to read the angle of the blade by the angle ruler 1. The centre of a circle of semicircle ring structure establishes on angle measuring rod 2's top side line, and angle measuring rod 2's top side line is parallel with the bottom side line, and the number of degrees is the contained angle a of the top pointer structure of distance measuring rod 3 and top side line on bevel protractor 1.

The distance measuring rod 3 is inserted into the sleeve 4, distance scales are arranged on the sleeve 4 and the distance measuring rod 3 and used for reading the height of the blade 11 when the angle a of the blade 11 is measured, and the bottom of the sleeve 4 is fixed on the base 7. The upper part of the sleeve 4 is provided with a fastening bolt 5 for fixing the distance measuring rod 3.

Be equipped with first 8 and the second 9 of spirit level on

base

7, 7 levels of base are markd when 3 vertical places of distance measuring stick to spirit level 8, and base 7 is perpendicular with distance measuring stick 3, and the horizontal level of distance measuring stick 3 is markd when 3 horizontal places of distance measuring stick to spirit level two 9.

Distance measuring pole 3 and sleeve 4 use nonrust steel pipe as the telescopic link, and mark the height dimension, be equipped with unable adjustment base, use nonrust reinforcing bar as angle measuring pole 2, mark the length dimension, the rear portion has supplementary angle measuring device, it fixes to waiting to detect fan blade lower part, distance measuring pole 3 measures blade bottom height value, angle measuring pole 2 coincides with 11 upper portion appearance tangents of blade, measure 11 horizontal contained angle a degrees of blade, then carry out corresponding record, after the measurement completion a slice, carry out other blade 11 measurements again, then compare and adjust, make it reach unanimity and unity, ensure that the atress is even, exert oneself the same, guarantee that the fan operates steadily reliably.

The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.

The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides a cooling tower fan blade angle calibration equipment, its characterized in that, includes bevel protractor, angle measuring stick and distance measuring stick, the bevel protractor adopts semi-circle, and the angle measuring stick is connected to the bottom of bevel protractor, and the angle measuring stick rotates through the round pin axle and connects the distance measuring stick, and angle measuring stick and bevel protractor rotate through round pin axle relative distance measuring stick for the angle measuring stick is placed and is read the angle of blade through the bevel protractor on the blade.

2. The device for calibrating the angle of the fan blade of the cooling tower as claimed in claim 1, wherein the distance measuring rod is inserted into a sleeve, distance scales are arranged on the sleeve and the distance measuring rod for reading the height of the blade at the angle of the measuring blade, and the bottom of the sleeve is fixed on the base.

3. The device for calibrating the angle of the fan blade of the cooling tower as claimed in claim 2, wherein the upper part of the sleeve is provided with a fastening bolt for fixing the distance measuring rod.

4. The device for calibrating the angle of the fan blade of the cooling tower as claimed in claim 1, wherein the angle ruler is of a semi-circular structure, angle scales are arranged on the semi-circular structure, and the center of the semi-circular structure is arranged on the upper line of the angle measuring rod.

5. The device for calibrating the angle of the fan blade of the cooling tower as claimed in claim 1, wherein the top of the distance measuring rod adopts a pointer structure, the needle point of the pointer structure indicates angle scales, and the rear end of the angle measuring rod extends out of an angle ruler for forming a rotating handle for angle measurement.

6. The device for calibrating the angle of the fan blade of the cooling tower as claimed in claim 2, wherein the base is provided with a first level gauge and a second level gauge for calibrating the vertical or horizontal level of the distance measuring rod.