CN202814305U

CN202814305U - A full-diameter cylinder forming detection sample plate device

Info

Publication number: CN202814305U
Application number: CN 201220357689
Authority: CN
Inventors: 吕为理; 刘丽娟; 郭福权; 赵作勤
Original assignee: Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Current assignee: Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Priority date: 2012-07-21
Filing date: 2012-07-21
Publication date: 2013-03-20
Anticipated expiration: 2022-07-21

Abstract

The utility model provides a full-diameter cylinder forming detection sample plate device comprising a circular arc part, an auxiliary detection position, a locating reference point, a locating butt plate and a reinforcing rib; the circular arc radius of the circular arc part is consistent with the radius of a formed cylinder; three specific detection points of the auxiliary detection position are distributed on a circular arc detection surface for detection of cylindricity of the cylinder; the locating reference point is disposed at one end of a sample plate and is in the shape of a circular arc, with the radius being consistent with the radius of an upper roller of a three-roller plate rolling machine of forming equipment; the locating butt plate is disposed on the flat surface of the sample plate; and the reinforcing rib capable of improving rigidity of the sample plate is disposed on the sample plate. The full-diameter cylinder forming detection sample plate device meets the detection requirement and improves working efficiency during cylinder forming operation, is simple and practical and saves cost.

Description

A kind of large-diameter cylinder body moulding detects model

Technical field

The utility model belongs to technical field of hydraulic generators, especially relates to a kind of large-diameter cylinder body moulding and detects model.

Background technology

In hydrogenerator unit weldment manufacture process, need to use large diameter cylindrical shell, all being that barrel is thicker such as the support wall in the out frame, the yoke ring in the rotor field spider etc. (is generally the cylindrical tube of large (φ 3500mm ~ φ 7200mm) of 60mm ~ 140mm), diameter.In using three roller plate roller forming processes, must be at any time the cylinder roundness of envelope moulding be detected, satisfy the pattern requirement to guarantee circularity.

The utility model content

The purpose of this utility model is the test problems of cylinder roundness when solving the large-diameter cylinder body moulding, provide a kind of cost low, easy to use, can satisfy the large-diameter cylinder body moulding detection model that cylindrical shell blank centering, roundness measurement, cylindricity detection etc. require simultaneously.

The technical solution of the utility model is: a kind of large-diameter cylinder body moulding detects model, it is characterized in that: comprise circular arc portion, the auxiliary detection position, the positioning datum point, location attachment strap and reinforcement, the arc radius of described circular arc portion is consistent with the radius of formed cylinder body, at three specific auxiliary detection position detection points of circular-arc detection face distribution, being used for the cylindrical shell cylindricity detects, the positioning datum point is set in the model end, positioning datum point is circular arc, its radius is consistent with the top roll radius of former three roller plate rollers, on the model plane location attachment strap is set, the reinforcement that improves model rigidity is set at model.

Detect model and use 0.7mm ~ 1.2mm cold-rolled steel sheet.

Advantage and the good effect that the utlity model has are: owing to adopt technique scheme, when carrying out the cylindrical shell operations for forming, satisfied testing requirement, improved work efficiency, had simple, practical, the advantage such as economize on the use of funds.

Description of drawings

Fig. 1 is that the moulding under the background technology detects model master TV structure synoptic diagram;

Fig. 2 is the main TV structure synoptic diagram that is placed on before the moulding of steel plate blank on the plate roller;

Fig. 3 is the plan structure synoptic diagram that is placed on before the moulding of steel plate blank on the plate roller;

When Fig. 4 is the moulding of steel plate blank, the work synoptic diagram that uses the utility model to check;

Fig. 5 uses the utility model to check the work synoptic diagram of formed cylinder body cylindricity.

Among the figure: 1, circular arc portion, 2, the auxiliary detection position, 3, the positioning datum point, 4, the location attachment strap, 5, reinforcement.

Embodiment

Such as Fig. 2-shown in Figure 5, a kind of large-diameter cylinder body moulding of the utility model detects model, comprise circular arc portion 1, auxiliary detection position 2, positioning datum point 3, location attachment strap 4 and reinforcement 5, the arc radius of circular arc portion 1 is consistent with the radius of formed cylinder body, at three specific auxiliary detection position 2 check points of circular-arc detection face distribution, being used for the cylindrical shell cylindricity detects, in the model end positioning datum point 3 is set, positioning datum point 3 is circular arc, its radius is consistent with the top roll radius of former three roller plate rollers, location attachment strap 4 is set on the model plane, the reinforcement 5 that improves model rigidity is set at model.Detect model and use 0.7mm ~ 1.2mm cold-rolled steel sheet.

For further understanding content of the present utility model, Characteristic, now enumerate following examples, and cooperate accompanying drawing to be described in detail as follows:

1, in Fig. 2, after the steel plate of cylindrical shell blank is placed on the plate roller, the left end of the model among Fig. 1 and the top roll of plate roller are pushed up sternly, detect the verticality of model and the body of roll with try square.

2, the inspection line of utilization on the steel plate blank with reference to model, with the blank centering, sees that Fig. 3 illustrates.

3, in the blank forming process, constantly use the orthodrome workplace of model repeatedly to check the moulding radius-of-curvature of blank, until the cylindrical shell radius conforms to model, moulding (round as a ball) end-of-job sees that Fig. 4 illustrates.

4, after the cylindrical shell moulding, that cylindrical shell is upright, model is ridden over barrel port, pedal line is checked that along specific on the model breach hangs down, check the distance of vertical line and barrel, with the cylindricity of definite cylindrical shell, and definite position of proofreading and correct, see that Fig. 5 illustrates.

5, in the cylindrical shell forming process, large-size cylinder body generally needs a pair of above model that moulding is checked, uses in pairs, makes above-mentioned work more convenient.

The multi-functional large-diameter cylinder body moulding of this example detects the use of model in the cylindrical shell forming process, has shortened detection time, and is flexible, improved the inspection precision, satisfied the testing requirement of workpiece.

The utlity model has the advantages such as making is simple, easy to use, low cost of manufacture, can be widely used in the manufacture process of hydrogenerator processing and manufacturing industry.

More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.

Claims

1. a large-diameter cylinder body moulding detects model, it is characterized in that: comprise circular arc portion (1), auxiliary detection position (2), positioning datum point (3), location attachment strap (4) and reinforcement (5), the arc radius of described circular arc portion (1) is consistent with the radius of formed cylinder body, at circular-arc detection face distribution three specific auxiliary detection positions (2) check point, being used for the cylindrical shell cylindricity detects, positioning datum point (3) is set in the model end, positioning datum point (3) is circular arc, its radius is consistent with the top roll radius of former three roller plate rollers, location attachment strap (4) is set on the model plane, the reinforcement (5) that improves model rigidity is set at model.

2. a kind of large-diameter cylinder body moulding according to claim 1 detects model, it is characterized in that: detect model and use 0.7mm ~ 1.2mm cold-rolled steel sheet.