CN201081680Y

CN201081680Y - Miniature motor radial clearance measuring clamp

Info

Publication number: CN201081680Y
Application number: CNU2007201703230U
Authority: CN
Inventors: 张育新
Original assignee: STATE-RUN BEIJING SHUGUANG ELECTRIC MTOR FACTORY
Current assignee: STATE-RUN BEIJING SHUGUANG ELECTRIC MTOR FACTORY
Priority date: 2007-08-22
Filing date: 2007-08-22
Publication date: 2008-07-02
Anticipated expiration: 2017-08-22

Abstract

The utility model belongs to a measuring clamp, relating to a micro motor radial clearance measuring clamp; the utility model consists of a measuring platform (1) with support legs, a v-shaped base (2), a v-shaped pressing plate (3), a positioning plate (4), a shaft lining (7), a bleed screw (8), a guide wheel (9), a guide wheel bracket (10), a steel wire (11), weights (12), a dial gauge bracket (13), a dial gauge (14) and a deformed gauge head (15); the utility model resolves the problem of the micro motor radial clearance measurement; based on tests, the utility model fully conforms to testing requirements of the national military standard-GJB1456-1992, thereby ensuring the successful finishing of the military standard product line building work.

Description

Micromachine radial play measured material

Technical field

The utility model belongs to measured material, relates to a kind of micromachine radial play measured material.

Background technology

National military standard GJB1456-1992 is as follows to the measurement requirement of the radial play of micromachine product: " electric machine casing is fixed; the measuring head of clock gauge places on the axle; and as close as possible projecting shaft end bearing position; with the power (3N) of special technology condition regulation; along continuous straight runs vertically is added on the axle within the shaft extension end 6mm; direction before this, is reverse direction then, twice reading of record clock gauge poor ".General micromachine, shaft extension is short, and the diameter of axle is thin, to in shaft extension is not more than the 6mm scope, should vertically apply the acting force of 3N, the space of clock gauge measuring head measurement data is arranged again the axle along continuous straight runs, and institute's location puts and will truly reflect change in size, and it is very big to measure difficulty.Use existing universal measurement method, can't measure.

Summary of the invention

The purpose of this utility model is: propose a kind of micromachine radial play measured material, to satisfy the needs that the micromachine radial play is measured.

The technical solution of the utility model is: micromachine radial play measured material, it is characterized in that it is made up of the measuring table 1 that has leg, V-shape base 2, V-arrangement pressing plate 3, location-plate 4, axle sleeve 7, bleed screw 8, guide wheel 9, wheel bracket 10, steel wire 11, counterweight 12, dial indicators rack 13, clock gauge 14 and special-shaped gauge head 15; There is a V-shaped groove at V-shape base 2 upper surface centers, by screw V-shape base 2 are fixed on the measuring table 1; There is a V-shaped groove at V-arrangement pressing plate 3 lower surface centers, by screw V-arrangement pressing plate 3 are fixed on the V-shape base 2; The centerline collineation of the V-shaped groove on the center line of the V-shaped groove on the V-shape base 2 and the V-arrangement pressing plate 3, tested micromachine 5 are clamped between the V-shaped groove and the V-shaped groove on the V-arrangement pressing plate 3 on the V-shape base 2; Location-plate 4 by screw retention on the front end face of V-shape base 2; Axle sleeve 7 is enclosed within on the projecting shaft of micromachine 5, and its tolerance clearance is 0.005～0.008mm; In axle sleeve 7 upper edge diametric(al)s the threaded hole of perforation is arranged, the bleed screw 8 that two heads have through hole is screwed in the above-mentioned threaded hole; By two fixed pulley mechanisms that form by wheel bracket 10 and guide wheel 9, they are separately fixed at the both sides of micromachine 5 projecting shafts on the measuring table 1, one end of steel wire 11 is connected with bleed screw 8, its other end is connected with counterweight 12, groove or hole that two up/down perforations are arranged on measuring table 1, steel wire 11 passes from the groove of above-mentioned perforation or hole, counterweight 12 is suspended on below the measuring table 1, steel wire from bleed screw 8 to guide wheel 9 is the level of state, and with the horizontal diameter conllinear of micromachine 5 projecting shafts; A side of micromachine 5 projecting shafts is being fixed a dial indicators rack 13 on measuring table 1, clock gauge 14 is installed on the dial indicators rack 13, the head symmetria bilateralis of special-shaped gauge head 15 is cut flat, form elongated cutting edge, the front end of this cutting edge passes from the space between bleed screw 8 and micromachine 5 front end faces, contacts with the surface of axle sleeve 7; Special-shaped gauge head 15 axis keep level, and with the horizontal diameter conllinear of micromachine 5 projecting shafts.

The utility model has the advantages that: solved the micromachine radial play and measured a difficult problem,, satisfied the detection requirement of national military standard GJB1456-1992 fully, guaranteed that product army mark builds finishing smoothly that the lineman does by test.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Embodiment

Below the utility model is described in further details.Referring to Fig. 1,2, micromachine radial play measured material of the present utility model, it is characterized in that it is made up of the measuring table 1 that has leg, V-shape base 2, V-arrangement pressing plate 3, location-plate 4, axle sleeve 7, bleed screw 8, guide wheel 9, wheel bracket 10, steel wire 11, counterweight 12, dial indicators rack 13, clock gauge 14 and special-shaped gauge head 15.

There is a V-shaped groove at V-shape base 2 upper surface centers, by screw V-shape base 2 are fixed on the measuring table 1; There is a V-shaped groove at V-arrangement pressing plate 3 lower surface centers, by screw V-arrangement pressing plate 3 are fixed on the V-shape base 2.

The centerline collineation of the V-shaped groove on the center line of the V-shaped groove on the V-shape base 2 and the V-arrangement pressing plate 3, tested micromachine 5 are clamped between the V-shaped groove and the V-shaped groove on the V-arrangement pressing plate 3 on the V-shape base 2.Location-plate 4 by screw retention on the front end face of V-shape base 2.

Axle sleeve 7 is enclosed within on the projecting shaft of micromachine 5, and its tolerance clearance is 0.005～0.008mm.In axle sleeve 7 upper edge diametric(al)s the threaded hole of perforation is arranged, the bleed screw 8 that two heads have through hole is screwed in the above-mentioned threaded hole.By two fixed pulley mechanisms that are made up of wheel bracket 10 and guide wheel 9, they are separately fixed at the both sides of micromachine 5 projecting shafts on the measuring table 1.One end of steel wire 11 is connected with bleed screw 8, and its other end is connected with counterweight 12, and the groove or the hole of two up/down perforations arranged on measuring table 1, and steel wire 11 passes from the groove of above-mentioned perforation or hole, and counterweight 12 is suspended on below the measuring table 1.Steel wire from bleed screw 8 to guide wheel 9 is the level of state, and with the horizontal diameter conllinear of micromachine 5 projecting shafts.

A side of micromachine 5 projecting shafts is being fixed a dial indicators rack 13 on measuring table 1, clock gauge 14 is installed on the dial indicators rack 13, the head symmetria bilateralis of special-shaped gauge head 15 is cut flat, form elongated cutting edge, the front end of this cutting edge passes from the space between bleed screw 8 and micromachine 5 front end faces, contacts with the surface of axle sleeve 7.Special-shaped gauge head 15 axis keep level, and with the horizontal diameter conllinear of micromachine 5 projecting shafts.

In order to prevent to weigh wounded the surface of micromachine 5, on the surface of V-shaped groove on the said V-shape base 2 and the V-shaped groove on the V-arrangement pressing plate 3, be pasted with the cushion pad of making by felt or rubber or plastics.

Measuring method of the present utility model is: micromachine 5 is clamped between the V-shaped groove and the V-shaped groove on the V-arrangement pressing plate 3 on the V-shape base 2, axle sleeve 7 is enclosed within on the projecting shaft, tightens bleed screw 8, adjust the position of clock gauge 14, special-shaped gauge head 15 is contacted, with clock gauge 14 zeroings with axle sleeve 7.Side at projecting shaft hangs up counterweight 12, the reading of record clock gauge 14 this moment.Pull down counterweight 12, be suspended to the opposite side of projecting shaft, write down the reading of clock gauge 14 again.The difference of two readings is measured radial play.

Claims

1. micromachine radial play measured material, it is characterized in that it is made up of the measuring table that has leg [1], V-shape base [2], V-arrangement pressing plate [3], location-plate [4], axle sleeve [7], bleed screw [8], guide wheel [9], wheel bracket [10], steel wire [11], counterweight [12], dial indicators rack [13], clock gauge [14] and special-shaped gauge head [15]; There is a V-shaped groove at V-shape base [2] upper surface center, by screw V-shape base [2] is fixed on the measuring table [1]; There is a V-shaped groove at V-arrangement pressing plate [3] lower surface center, by screw V-arrangement pressing plate [3] is fixed on the V-shape base [2]; The centerline collineation of the V-shaped groove on the center line of the V-shaped groove on the V-shape base [2] and the V-arrangement pressing plate [3], tested micromachine [5] are clamped between the V-shaped groove and the V-shaped groove on the V-arrangement pressing plate [3] on the V-shape base [2]; Location-plate [4] by screw retention on the front end face of V-shape base [2]; Axle sleeve [7] is enclosed within on the projecting shaft of micromachine [5], and its tolerance clearance is 0.005～0.008mm; In axle sleeve [7] upper edge diametric(al) the threaded hole of perforation is arranged, the bleed screw [8] that two heads have through hole is screwed in the above-mentioned threaded hole; Two fixed pulley mechanisms that are made up of wheel bracket [10] and guide wheel [9] are arranged, they are separately fixed at the both sides that measuring table [1] is gone up micromachine [5] projecting shaft, one end of steel wire [11] is connected with bleed screw [8], its other end is connected with counterweight [12], groove or hole that two up/down perforations are arranged on measuring table [1], steel wire [11] passes from the groove of above-mentioned perforation or hole, counterweight [12] is suspended on below the measuring table [1], be the level of state to the steel wire the guide wheel [9] from bleed screw [8], and with the horizontal diameter conllinear of micromachine [5] projecting shaft; Go up a side of micromachine [5] projecting shaft at measuring table [1] and fixing a dial indicators rack [13], clock gauge [14] is installed on the dial indicators rack [13], the head symmetria bilateralis of special-shaped gauge head [15] is cut flat, form elongated cutting edge, the front end of this cutting edge passes from the space between bleed screw [8] and micromachine [5] front end face, contacts with the surface of axle sleeve [7]; Special-shaped gauge head [15] axis keep level, and with the horizontal diameter conllinear of micromachine [5] projecting shaft.

2. measured material according to claim 1 is characterized in that, is pasted with the cushion pad of being made by felt or rubber or plastics on the surface of the V-shaped groove on V-shaped groove on the said V-shape base [2] and the V-arrangement pressing plate [3].