Large and medium-sized rotor excircle runout measuring device

Abstract

The utility model discloses a large and medium-sized rotor excircle runout measuring device comprising a fixed rod, the bottom of the fixed rod is fixedly provided with a core shaft, the upper end part of the core shaft is sleeved with a ball bearing, the outer side of the ball bearing is provided with a bearing sleeve, and the circumferential outer wall of the bearing sleeve is provided with an extension rod. An extension rod is fixedly mounted at the end part of the extension rod, the extension rod is connected with a mounting rod through an adjusting knob, and meanwhile, a connecting seat is mounted at the bottom of the mounting rod. According to the large and medium-sized rotor outer circle run-out measuring device, through the use of the testing equipment and the technical scheme of a micrometer which does circular motion on the outer circle of a large and medium-sized electronic rotor, more time and labor are saved, and the product quality is ensured at the same time; a mandrel at the bottom of the fixed rod is inserted into a rotor inner hole and is matched with a plane bearing and a micrometer to measure the excircle run-out of large and medium-sized rotors; the tool can confirm the outer circle run-out of large and medium-sized rotors at the current station, avoids back-and-forth stooping for hanging, and is safe and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to large and medium -sized motor manufacturing industry field, concretely is a large and medium -sized rotor outer circle runout measuring device. BACKGROUND

[0002] In order to realize the development sustainable, the higher requirement of energy saving and environmental protection is proposed to realize low carbon life, under the framework of energy saving and emission reduction, high -efficient energy -saving motor is the inevitable direction of motor industry development and the consensus of global motor industry development, as for the industry, small motor manufacturing industry will develop towards the direction of scale, standardization and automation, but large and medium -sized motor manufacturing industry develops towards the direction of increasing single machine capacity, requirement specialization, diversification and customization, and the stability of rotor mass is crucial for the effective and stable operation of motor,

[0003] In order to improve the stability of motor operation and reduce the loss, and also for the better use experience of terminal user of shock and noise reduction, it is imperative to improve the stability of rotor mass, and the rotor outer circle runout is the key characteristic influencing motor performance, and needs to be focused on, in the past, the large and medium -sized electronic rotor needs to be inserted into the taper mandrel in the rotor inner hole, and then the rotor is hoisted to the two top needle deflection instruments using horizontal crane, and then the outer circle runout is measured, the measurement process is complicated, and needs to be hoisted and transported back and forth, has great safety hazard, and is not suitable for batch measurement or high frequency sampling detection, therefore, the utility model discloses a large and medium -sized rotor outer circle runout measuring device, so as to confirm the large and medium -sized rotor outer circle runout with time and effort. UTILITY MODEL CONTENTS

[0004] The utility model discloses a large and medium -sized rotor outer circle runout measuring device, to solve the defects mentioned in the above background art.

[0005] In order to achieve the above object, a large and medium -sized rotor outer circle runout measuring device is provided, including fixed link, the bottom fixed setting of fixed link has the mandrel, and the upper end of mandrel sleeve joint has the ball bearing, the outside of ball bearing is provided with bearing sleeve, and the circumferential outer wall of bearing sleeve is installed with the extension rod, and the extension rod end fixed mounting has the extension rod, and the extension rod is connected with the mounting rod through the adjusting screw, the bottom of mounting rod is installed with the connecting seat, and the bottom of mounting rod is connected with the micrometer through the connecting seat.

[0006] Preferably, the circumferential outer wall of bearing sleeve is provided with screw hole, and the end of extension rod is installed with stud, and the stud is screwed with nut, and the extension rod is screwed in the screw hole of bearing sleeve through the stud on the end.

[0007] Preferably, the lengthening rod is provided with a threaded hole at the end away from the bearing sleeve, and a fixed stud is fixedly installed at the left end of the lengthening rod, the fixed stud is matched with the threaded hole in size, and the fixed stud is screwed in the threaded hole.

[0008] Preferably, the lengthening rod and the mounting rod are combined in a V shape, and the stud on the adjusting knob passes through the perforation on the mounting rod and is screwed in the threaded hole on the outside of the lengthening rod.

[0009] Preferably, the lengthening rod, the mounting rod and the micrometer are combined in a Z shape, and the lengthening rod and the lengthening rod are detachable, and the lengthening rod and the lengthening rod are horizontally arranged.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. The utility model discloses a core shaft is inserted in the inside of the outer circle of the rotor and is measured by the jump of the micrometer that makes circumferential motion, when actual operation, the lengthening rod, bearing sleeve, lengthening rod, mounting rod and micrometer adopt the mode of screwing and are connected and installed, convenient to the assembly of the measuring device body and use work, when measuring, the large rotor does not need hoisting and carrying, directly inserts the test equipment into the rotor inner hole and rotates and reads the micrometer scale number, can measure the outer circle jump, time saving and labor saving, safe and convenient.

[0012] 2. The utility model discloses a test equipment, and the micrometer that makes circumferential motion on the outer circle of the large and medium electronic rotor is the technical scheme, more time saving and labor saving, and the product quality is guaranteed, the core shaft of the fixed rod bottom is inserted into the rotor inner hole, cooperates with the plane bearing and the micrometer and measures the outer circle jump of the large and medium rotor, the tool can realize confirming the outer circle jump of the large and medium rotor at the current station, avoids the back and forth bending and lifting, and is safe and convenient. DRAWINGS

[0013] Figure 1 It is the front view schematic diagram of the utility model structure;

[0014] Figure 2 It is the lengthening rod structure schematic diagram;

[0015] Figure 3 It is the bearing sleeve structure schematic diagram;

[0016] Figure 4 It is the fixed rod and its connecting structure schematic diagram;

[0017] Figure 5 It is the device that the outer circle of the large and medium rotor is measured jump schematic diagram.

[0018] Marked number in figure: 1, fixed rod; 111, mandrel; 2, ball bearing; 3, lengthening rod; 4, nut; 5, bearing sleeve; 6, screw hole; 7, fixed stud; 8, extension rod; 9, adjusting screw; 10, mounting rod; 11, connecting seat; 12, micrometer. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a kind of large and medium-sized rotor outer circle run-out measuring device, including fixed rod 1, the bottom of fixed rod 1 is fixedly provided with mandrel 111, and mandrel 111 upper end portion is sleeved with ball bearing 2, while the outside of ball bearing 2 is provided with bearing sleeve 5, and the circumferential outer wall of bearing sleeve 5 is installed with lengthening rod 3, and lengthening rod 3 end is fixedly installed with extension rod 8, and extension rod 8 is connected with mounting rod 10 by adjusting screw 9, while the bottom of mounting rod 10 is installed with connecting seat 11, and the bottom of mounting rod 10 is connected with micrometer 12 by connecting seat 11.

[0021] Working principle: when using, mandrel 111 is inserted in the inside of rotor outer circle and is measured by doing circumferential motion micrometer 12, and the stud on adjusting screw 9 is threaded through the perforation in mounting rod 10 and is screwed in the screw hole in the outside of extension rod 8, so that the test height of micrometer 12 can be adjusted by loose and tight adjusting screw 9;In this way, the run-out test of rotor outer circle surface in different positions can be carried out;It is simple to operate, and large and medium-sized rotor outer circle run-out can be confirmed in current station, while avoiding back and forth bending and lifting, safe and convenient;When actually operating, lengthening rod 3, bearing sleeve 5, extension rod 8, mounting rod 10 and micrometer 12 are connected and installed in the mode of screwing, so as to facilitate the assembly and use of measuring device body;

[0022] When actually operating, the previous large and medium-sized electronic rotor needs to measure outer circle run-out, needs to insert taper mandrel in rotor bore and then uses horizontal lifting to lift rotor to the deflection instrument of two top pins, and then measures outer circle run-out;Measurement procedure is complicated and needs to be lifted and carried back and forth, with great safety hazard, and is not suitable for batch measurement or high-frequency sampling detection, and by using the present test equipment, the micrometer 12 that does circumferential motion on the outer circle of large and medium-sized electronic rotor is used as technical scheme, which is more time-saving and labor-saving, while ensuring product quality;

[0023] The present combination measuring tool, when in use, inserts the mandrel 111 at the bottom of the fixed rod 1 into the inner hole of the rotor, cooperates with the plane bearing and the micrometer 12 to measure the outer circle runout of the large and medium-sized rotor; the tool can realize the confirmation of the outer circle runout of the large and medium-sized rotor at the current work station, and avoids the back and forth bending and lifting, which is safe and convenient.

[0024] As a preferred embodiment, a screw hole is formed in the circumferential outer wall of the bearing sleeve 5, a threaded stud is installed at the end of the extension rod 3, a nut 4 is screwed and installed on the threaded stud, and the extension rod 3 is screwed on the screw hole formed in the bearing sleeve 5 through the threaded stud at the end.

[0025] A screw hole 6 is formed at the end of the extension rod 3 away from the bearing sleeve 5, a fixed threaded stud 7 is fixedly installed at the left end of the extension rod 8, the size of the fixed threaded stud 7 is matched with that of the screw hole 6, and the fixed threaded stud 7 is screwed and fixed in the screw hole 6.

[0026] As a preferred embodiment, the extension rod 8 and the mounting rod 10 are combined together in a "V" shape, the threaded stud on the adjusting knob 9 passes through the perforation formed in the mounting rod 10 and is screwed in the screw hole formed outside the extension rod 8.

[0027] The extension rod 8, the mounting rod 10 and the micrometer 12 are combined together in a "Z" shape, the extension rod 8 and the extension rod 3 are in a detachable structure, and the extension rod 8 and the extension rod 3 are horizontally arranged.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for measuring the runout of a large or medium-sized rotor, comprising a fixed rod (1), characterized in that: The bottom of the fixed rod (1) is fixedly provided with a spindle (111), and a ball bearing (2) is sleeved on the upper end of the spindle (111). At the same time, a bearing sleeve (5) is provided on the outer side of the ball bearing (2), and an extension rod (3) is installed on the outer circumference of the bearing sleeve (5). An extension rod (8) is fixedly installed at the end of the extension rod (3), and the extension rod (8) is connected to the mounting rod (10) through an adjustment knob (9). At the same time, a connecting seat (11) is installed at the bottom of the mounting rod (10), and the bottom of the mounting rod (10) is connected to the micrometer (12) through the connecting seat (11).

2. The large and medium-sized rotor outer circle runout measuring device according to claim 1, characterized in that: The bearing sleeve (5) has a screw hole on its outer circumference, and a stud is installed at the end of the extension rod (3). A nut (4) is screwed onto the stud, and the extension rod (3) is screwed into the screw hole on the bearing sleeve (5) through the stud at the end.

3. The large and medium-sized rotor outer circle runout measuring device according to claim 1, characterized in that: The extension rod (3) has a screw hole (6) at one end away from the bearing sleeve (5), and a fixing stud (7) is fixedly installed at the left end of the extension rod (8). The size of the fixing stud (7) is matched with that of the screw hole (6), and the fixing stud (7) is screwed and fixed inside the screw hole (6).

4. The large and medium-sized rotor outer circle runout measuring device according to claim 1, characterized in that: The extension rod (8) and the mounting rod (10) are combined in a "V" shape, and the stud on the adjusting knob (9) passes through the through hole on the mounting rod (10) and is screwed into the screw hole on the outside of the extension rod (8).

5. The large and medium-sized rotor outer circle runout measuring device according to claim 1, characterized in that: The extension rod (8), mounting rod (10) and micrometer (12) are combined in a "Z" shape, and the extension rod (8) and the extension rod (3) are detachable. The extension rod (8) and the extension rod (3) are horizontally arranged.

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