CN218159372U - Multipurpose teaching aid for measuring and adjusting generator set - Google Patents

Abstract

The utility model relates to a hydroelectric power generation technical field, generating set measures, adjusts multi-purpose teaching aid promptly. The simulation support comprises a unit simulation support formed by enclosing four stand columns, wherein fixed support rings are horizontally fixed in the support at intervals up and down, each fixed support ring is horizontally provided with an adjustable circular ring capable of being horizontally adjusted, the diameter of the outer ring of the adjustable circular ring is smaller than that of the outer ring of the fixed support ring, the upper ends of two opposite support columns are connected with fixed cross beams, the middle of each fixed cross beam is fixedly connected with the stand column of a rotor circle measuring frame through bolts, and the upper end of each stand column is fixedly connected with a circle measuring frame cross beam and a diagonal draw beam; adjusting screws which penetrate through the stand columns and are connected with the outer circle ends of the adjustable circular rings in a jacking mode are arranged at the positions, corresponding to the adjustable circular rings, of the four stand columns. The training of the center measurement adjustment and the rotor roundness measurement operation process and the measurement process of the vertical water-turbine generator set can be carried out by simulating the positions of all parts during maintenance of the generator set, and the training device has the characteristics of simple structure and good training effect.

Description

Multipurpose teaching aid for measuring and adjusting generator set

Technical Field

The utility model relates to a hydroelectric power generation technical field, generating set measures, adjusts multi-purpose teaching aid promptly. In particular to a teaching aid for teaching and training center measurement, adjustment and rotor roundness measurement of a vertical hydroelectric generating set overhauling unit.

Background

In the prior art, in the transformation and maintenance of the vertical water turbine generator set, the roundness measurement of the center and the rotor of the vertical water turbine generator set is an important process in the installation or maintenance construction process of the set and is an important parameter for reflecting the state of the set, the measurement result directly influences the safe and stable operation of the set, the maintenance period of the set is fixed and is limited by the construction period, the operation personnel is required to be skilled to master the actual operation skill, but the previous work cannot form the normal training requirement, the culture of the talents in the field is not facilitated, and meanwhile, the operation personnel cannot learn and master the skill in a short time during the maintenance. The training of the project operating personnel, particularly newly-entered green workers, is mainly carried out through actual operation during the overhaul period of the unit, is influenced by the construction period and the overhaul period of the unit, is limited in training time, and cannot be mastered efficiently and proficiently. The centering device and the auxiliary tool are applied to maintenance, but a stable teaching tool is not formed. The technical level of operating personnel directly determines whether the measurement result is accurate or not, the influence on the running state of the unit is great, and the field urgently needs such demonstration teaching aids.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the aforesaid not enough and provide a rational in infrastructure, do benefit to the generating set of training and measure, adjust multi-purpose teaching aid. The problem that new people and post-shift personnel cannot be effectively trained due to the fact that training technical talents are avoided being influenced by construction period and unit overhaul, particularly overhaul period, is solved.

The technical solution of the utility model is that: the multipurpose teaching aid for measuring and adjusting the generator set is characterized by comprising a generator set simulation support formed by enclosing four stand columns, wherein fixed support rings are horizontally fixed in the support at intervals up and down, each fixed support ring is flatly provided with an adjustable ring capable of being horizontally adjusted, the diameter of the outer ring of the adjustable ring is smaller than that of the outer ring of the fixed support ring, the upper ends of two opposite support columns are connected with fixed cross beams, the middle of each fixed cross beam is fixedly connected with the stand column of a rotor circle measuring frame through a bolt, and the upper end of each stand column is fixedly connected with a circle measuring frame cross beam and a diagonal draw beam; adjusting screws which penetrate through the stand columns and are connected with the outer circular ends of the adjustable circular rings in a jacking mode are arranged at the positions, corresponding to the adjustable circular rings, of the four stand columns.

In the above scheme, the method further comprises:

the fixed supporting ring is lapped on the supporting block in the upright post, and the supporting block is fixedly connected with the upright post and the cushion block on the outer side of the upright post through bolts.

The middle of the bottom end of each upright post is spirally connected with a bottom foot cushion plate through an adjusting screw rod.

And a cross beam is arranged between the four upright posts at the lower part of the bracket.

A rectangular groove for lowering the piano wire of the center finder is arranged at the edge of the cross beam of the circle measuring frame.

The utility model has the advantages that: 1. the teaching aid is a machine set center and rotor roundness measurement teaching device which is high in simulation degree, adjustable and capable of being assembled, the positions of all parts can be measured when a simulation machine set is overhauled, the training of the center measurement adjustment and rotor roundness measurement operation process and the measurement process of the vertical water-turbine generator set can be carried out, the machine set overhauling actual environment is highly reduced, the personnel learning efficiency is improved, and powerful means is provided for installation and overhauling talent culture of the vertical water-turbine generator set. 2. This teaching aid, simple structure, easily processing, the adjustment is measured to the simulation vertical hydroelectric set center that can be vivid and rotor circularity measures the overall process, and this teaching aid can not only let the student learn the unit center and measure, still can train its central adjustment hands-on ability to each major component of unit, examines and repair and play positive effect to unit installation and A level. 3. The teaching aid can also simulate the training of rotor circle measurement, thereby achieving multiple purposes. 4. The reduction degree of the center measurement adjustment and rotor roundness measurement process is extremely high, the operation and understanding are easy, the training is not limited by time, maintenance period, period and site, the teaching can be carried out at any time, the training is beneficial to the operation staff to learn as soon as possible and master the skill skillfully, the training efficiency is greatly improved, a convenient and efficient means is provided for talent culture in the field, and the method is suitable for the center measurement adjustment and rotor roundness measurement teaching of all large and medium-sized vertical water turbine generator sets and meets the training requirement.

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic top view of fig. 1.

FIG. 3 is a schematic view of a circle measuring stand.

Fig. 4 is a schematic top view of fig. 3.

Detailed Description

Referring to fig. 1-4, the part names are as follows: crossbeam 1, stand 2, adjusting screw 3, be equipped with tight nut 4, adjusting screw 5, footing backing plate 6, adjustable ring 7, fixed ring 8, square hole 9, cross crossbeam 10, tray 11, cushion 12, connect base 13, survey circle frame crossbeam 14, survey circle frame stand 15, draw roof beam 16, rectangular channel 17 to one side.

Referring to fig. 1 and 2, the multipurpose teaching aid for measuring and adjusting the generator set comprises a generator set simulation support formed by enclosing four stand columns 2, wherein fixed supporting rings 8 are horizontally fixed in the support at intervals up and down, the fixed supporting rings 8 are lapped on supporting blocks 11 in the stand columns 2, and the supporting blocks 11 are fixedly connected with the stand columns 2 and cushion blocks 12 on the outer sides of the stand columns 2 through bolts. Each fixed supporting ring 8 is horizontally provided with an adjustable circular ring 7 capable of being horizontally adjusted, the diameter of the outer ring of the adjustable circular ring 7 is smaller than that of the outer ring of the fixed supporting ring 8, the adjustable circular ring 7 is dragged, the adjustable circular ring 7 horizontally moves on the fixed supporting ring 8, movement and adjustment are convenient, and the relative center position of the adjustable circular ring 7 is adjusted. The upper ends of two opposite supporting columns 2 are connected with a cross beam 1, adjusting screws 3 which penetrate through the supporting columns 2 and are connected with the outer circular ends of the adjustable circular rings 7 are arranged at the positions, corresponding to the adjustable circular rings 7, of the four supporting columns 2, the adjusting screws 3 are screwed, the end faces of the adjustable circular rings 7 are connected in a jacking mode, and the adjustable circular rings 7 are under the four-point effect so that the horizontal position of the adjustable circular rings 7 can be conveniently adjusted. The middle of the bottom end of each upright post 2 is spirally connected with a bottom foot base plate 6 through an adjusting screw rod 5, the adjusting screw rods 5 are rotated to pass in and out, the height of the upright posts 2 is adjusted, fine adjustment is carried out, and the fixed supporting ring 8 is ensured to be positioned at a horizontal position. And a cross beam 10 is arranged between the four upright posts 2 at the lower part of the bracket to ensure the stability of the bracket. The center finder is arranged in the middle of the cross beam 1, and the vertical generator set center measuring and adjusting teaching aid can be used.

Referring to fig. 3, 4, if take the centering device and change survey circle frame (the circle teaching aid is surveyed to the rotor), install in the middle of crossbeam 1 in fig. 1 with the connection base 13 in fig. 3, 4, through bolt fixed connection, fig. 3, 4 survey circle frame (the circle teaching aid is surveyed to the rotor) can be rotatory on the adjustment teaching aid is measured at the unit center through surveying built-in bearing in the circle frame stand 15, centering device is installed in 17 departments of rectangular channel of surveying 14 edges of circle frame crossbeam, centering device piano wire is transferred. The diagonal tension beam 16 serves to stabilize the cradle beam 14. The centering device comprises a base, wherein a transverse adjusting plate is arranged on the base, a longitudinal adjusting plate is arranged on the transverse adjusting plate, a support-supported wire winding wheel for winding piano wires is arranged on the longitudinal adjusting plate, and a ratchet wheel gear disc and a shaking handle are arranged on one side of a wheel shaft of the wire winding wheel (a drawing is omitted, and the conventional technology is adopted).

Referring to fig. 1-4, the transmission principle: the device simulates the relative positions of components with different elevations by the upper layer of fixed supporting ring 8 and the lower layer of fixed supporting ring 8, and the relative central position of the adjustable circular ring 7 can be adjusted by the adjusting screw 3 to simulate different relative central positions of a stator, an upper frame, a leakage stopping ring or a runner chamber. The centering device is placed at the upper fixed cross beam 1, and the lowered piano wire can simulate the center measurement and adjustment process of the machine set. After the centering device is dismantled, will survey circle frame (rotor survey circle frame model) and be fixed in fixed cross beam 1 central point and put, place the centering device in survey circle frame measuring staff tip rectangular channel 17 in and transfer the piano line, promote the above-mentioned rotor survey circle teaching aid and can simulate rotor magnetic pole circularity and measure.

Referring to fig. 1-4, the working process is as follows: the center finder is fixed at the central position of the upper fixed cross beam 1 by simulating the relative positions of a stator, an upper frame, a leak-proof ring or a runner chamber of the vertical water turbine generator set, and a piano wire with a heavy hammer is placed down, so that the teaching of piano wire centering and center measurement adjustment is carried out. The position of the movable ring 7 is adjusted through the adjusting screw 3, so that various relative center deviations among different parts can be manufactured, a trainee can measure and manually adjust the center positions of the parts, and the centers of the large parts of the unit are adjusted to the center of the unit; simultaneously, the rotor circle measuring frame is replaced, a rotatable circle measuring frame model is fixed in the center of the fixed cross beam 1, the centering device is arranged above the rectangular groove 17 in the end part of the circle measuring frame, and the piano wire is transferred to measure and teach the roundness of the rotor.

The above description is only exemplary of the present invention, and the various illustrations do not limit the essence of the present invention.

Claims (5)

1. The multipurpose teaching aid for measuring and adjusting the generator set is characterized by comprising a generator set simulation support surrounded by four stand columns (2), wherein fixed support rings (8) are horizontally fixed in the support at intervals up and down, each fixed support ring (8) is flatly provided with an adjustable circular ring (7) capable of being horizontally adjusted, the diameter of the outer ring of each adjustable circular ring (7) is smaller than that of the outer ring of each fixed support ring (8), the upper ends of two opposite stand columns (2) are connected with fixed cross beams (1), the middle of each fixed cross beam (1) is fixedly connected with a rotor circle measuring frame stand column (15) through bolts, and the upper ends of the circle measuring frame stand columns (15) are fixedly connected with a circle measuring frame cross beam (14) and a diagonal tension beam (16); adjusting screws (3) which penetrate through the upright columns (2) and are connected with the outer circle ends of the adjustable circular rings (7) in a jacking mode are arranged at the positions, corresponding to the adjustable circular rings (7), of the four upright columns (2).

2. The multipurpose teaching aid for measuring and adjusting the generator set according to claim 1, characterized in that the fixed supporting ring (8) is lapped on a supporting block (11) in the upright post (2), and the supporting block (11) is fixedly connected with the upright post (2) and a cushion block (12) on the outer side of the upright post (2) through bolts.

3. A multipurpose teaching aid for measuring and adjusting generator sets according to claim 1 or 2, characterised in that the middle of the bottom end of each upright post (2) is spirally connected with a footing plate (6) through an adjusting screw (5).

4. A multipurpose teaching aid for measuring and adjusting a generator set according to claim 3, characterized in that a cross beam (10) is arranged between the four uprights (2) at the lower part of the support.

5. A multipurpose teaching aid for measuring and adjusting generator sets according to claim 4, characterised in that a rectangular groove (17) for lowering the piano wire of the centering device is arranged at the edge of the cross beam (14) of the round measuring frame.

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