CN203479835U - Auxiliary tool for motor voltage withstanding detection - Google Patents
Auxiliary tool for motor voltage withstanding detection Download PDFInfo
- Publication number
- CN203479835U CN203479835U CN201320460128.7U CN201320460128U CN203479835U CN 203479835 U CN203479835 U CN 203479835U CN 201320460128 U CN201320460128 U CN 201320460128U CN 203479835 U CN203479835 U CN 203479835U
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- Prior art keywords
- motor
- flexure strip
- conveying belt
- crossbeam
- resistance test
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Abstract
The utility model relates to the motor detection field, and especially relates to an auxiliary tool for motor voltage withstanding detection. The auxiliary tool comprises a support and elastic sheets, the support is disposed at a central position of a conveyer belt, one end of each elastic sheet is fixed on the support and electrically connected with a voltage withstanding instrument via a wire, and the other end of each elastic sheet is suspended over a path where a housing or a shaft of a motor passed and abutted with/separated from the housing or the shaft of the motor. When the motor is conveyed on the conveyer belt and to a position where the voltage withstanding detection is required, the elastic sheets are just abutted with the housing or the shaft of the motor, and therefore leakage current is acquired. The auxiliary tool is simple in structure and easy to implement, and original aged wires are not required to modify. The elastic sheets are abutted with/separated from the housing or the shaft of the motor, so that the motor is not easily damaged.
Description
Technical field
The utility model relates to motor detection field, particularly a kind of motor resistance test auxiliary mould.
Background technology
The motor using for different occasions, has certain requirement of withstand voltage.As the requirement of withstand voltage of the idle call asynchronous machine of certain model is: winding bears 1500VAC voltage, lasts 1min, and leakage current is not more than 5mA; In the time of batch detection, because number of motors is more, above-mentioned detection time is longer, generally adopts available 1800VAC voltage, lasts 2s, and leakage current is not more than that this parameter of 2mA detects.
On traditional line, detection mode is manually to detect.Operating personnel are placed on motor 1 on monitor station 2, then the connection terminal of motor 1 are connected with voltage resistant instrument 3, as shown in Figure 1, start voltage resistant instrument 3 carry out resistance test by foot-operated 4, and voltage resistant instrument 3 to motor 1 output 1800VAC voltage, continues 2s by connection terminal.The leakage current of motor 1 feeds back in voltage resistant instrument 3 by monitor station 2, if leakage current is less than or equal to 2mA, after 2s, input voltage cuts off, and test lamp goes out, and measured piece is qualified; If leakage current is greater than 2mA, voltage resistant instrument 3 cuts off output voltage automatically, and the lamp of superleak is simultaneously bright, buzzer warning, and measured piece is defective.Although this kind of detection mode has voltage resistant instrument 3 to carry out auxiliary detection, motor 1 is placed on monitor station 2, by foot-operated 4 startup voltage resistant instruments 3, takes off motor 1 all by completing by hand, increased labour intensity and human cost, be unfavorable for realizing automated production.
In order to improve detection efficiency, the resistance test of motor can be attached on motor aging equipment, at motor, carry out, in aging process, automatically completing resistance test.Motor need to guarantee that when carrying out resistance test the shell of motor or axle are connected with voltage resistant instrument, to guarantee that voltage resistant instrument can detect leakage current.In prior art, motor is fixed, and can realize by holding the monitor station of motor the collection of leakage current; And on aging equipment, motor is along with conveying belt moves, the collection of motor leakage current while being difficult for realizing resistance test.
Utility model content
The purpose of this utility model is to provide motor resistance test auxiliary mould, can effectively to the leakage current of motor, gather.
For realizing above object, the technical solution adopted in the utility model is: a kind of motor resistance test auxiliary mould, comprise support and flexure strip, described rack arrangement is at conveying belt medium position place, one end of described flexure strip is fixed on support and by wire and is electrically connected to voltage resistant instrument, the other end of flexure strip be suspended at the shell of motor or axle on the path of process and lean/be separated with shell or the axle of motor.
Compared with prior art, there is following technique effect in the utility model:
When motor is carried on conveying belt, when arrival need to be carried out the position of resistance test, flexure strip just in time leans with shell or the axle of motor, has realized the collection of leakage current.This is simple in structure, easily realizes, and does not need original aging line to change.Shell or the axle of flexure strip and motor lean/are separated, and are difficult for motor to cause damage.
Accompanying drawing explanation
Fig. 1 is prior art schematic diagram;
Fig. 2 is perspective view of the present utility model, the direction of observation be under side obliquely upward;
Fig. 3 is front view of the present utility model, and the position of observation is positioned at the discharge end of conveying belt, and the direction of observation is contrary with the throughput direction of conveying belt;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is that flexure strip body is arranged schematic perspective view perpendicular to throughput direction;
Fig. 6 is the curved cross-like schematic diagram of flexure strip body, and the direction of observation is from bottom to top;
Fig. 7 is the another kind of arrangement of Fig. 6;
Fig. 8 is the vertical view that crossbeam and throughput direction have angle state;
Fig. 9 is that flexure strip 20 length do not wait the vertical view of state;
Figure 10 is the vertical view that crossbeam is bending;
Figure 11 is the vertical view of Fig. 8 duty.
Embodiment
Below in conjunction with Fig. 2 to Figure 11, the utility model is described in further detail.
Consult Fig. 2～4, a kind of motor resistance test auxiliary mould, comprise support 10 and flexure strip 20, described support 10 is arranged in conveying belt 30 medium position places, one end of described flexure strip 20 is fixed on support 10 and by wire and is electrically connected to voltage resistant instrument, the other end of flexure strip 20 be suspended at the shell of motor 40 or axle on the path of process and lean/be separated with shell or the axle of motor 40.When the shell of flexure strip 20 and motor 40 or axle lean, voltage resistant instrument starts motor 40 to carry out voltage-withstand test, the leakage current of motor 40 just gather by flexure strip 20 and be delivered in voltage resistant instrument, voltage resistant instrument is analyzed the leakage current detecting, if be greater than setting value, represent that this motor 40 is withstand voltage bad; If be less than or equal to setting value, represent that this motor 40 is qualified.Flexure strip 20 here role is equivalent to signal gathering unit, and flexure strip 20 itself must conduct electricity, and could gather leakage current.
Owing to treating that measured motor 40 is to be placed on conveying belt 30, thus should consider in course of conveying to implement without interruption monitoring, first to guarantee the shell of flexure strip 20 and motor 40 or axle easily against, its less important assurance between the two can be separated easily.If conveying belt 30 is what continous way was carried, to guarantee to keep within a certain period of time both against state.
It is pointed out that in addition support 10 is arranged in the medium position place of conveying belt 30, is not the middle part that represents to be arranged in conveying belt 30.In general, support 10 be arranged in the motor 40 transport path optional positions of conveying belt 30 can.But there are operating personnel at higher and conveying belt 30 two ends of voltage during due to resistance test, therefore preferably, support 10 is arranged on to the medium position place of conveying belt 30; Meanwhile, when carrying out resistance test, also need PLC, travel switch etc. are set, the middle part downside of conveying belt 30 has larger space for these parts are set.
The method to set up of support 10 has multiple, here provide a comparatively preferred scheme: described support 10 comprises the crossbeam 11 that is suspended at conveying belt 30 tops, the two ends of crossbeam 11 are fixed on by column 12 on the framework of equipment, offer the through hole of up/down perforation on crossbeam 11; Adjuster bar 13 is plugged in described through hole, and one end that adjuster bar 13 is positioned at crossbeam 11 belows arranges described flexure strip 20.Crossbeam 11 and column 12 with respect to device framework be fix for support adjusting rod 13.And adjuster bar 13 is adjustable up and down with respect to crossbeam 11, increase the applicability of this frock, for the motor 40 of differing heights, can be suitable for.
More preferably, the through hole on crossbeam 11, adjuster bar 13 cross sections are set to square, and like this, adjuster bar 13 is just unlikely and rotates, and affect flexure strip 20 and lean with motor 40 axles.Adjuster bar 13 is plugged in the through hole of crossbeam 11 and can moves up and down, and when being adjusted to correct position, being provided with locking unit it is locked on crossbeam 11.The mode of locking has various, can screw be installed in hole at screw hole of side opening of crossbeam 11, and the inner end of screw is resisted against the rod body section of adjuster bar 13, and adjuster bar 13 is fixing.In the utility model, adopt a kind of comparatively simple scheme: on adjuster bar 13, be provided with pilot hole 131, in pilot hole 131, be plugged with pin, above the horizontal through hole of offering of pin, limit adjuster bar 13 and move down on crossbeam 11.
When operating personnel are placed on conveying belt 30 by motor 40, can not guarantee that just in time presenting of motor 40 is vertical, may have a bit.In order to guarantee that, the shaft position place of each motor 40 arranges the flexure strip 20 of two arranged crosswise to there being the motor 40 at certain angle of inclination also can carry out leakage current collection here, while guaranteeing that motor 40 is carried so far position, can lean with flexure strip 20.The lower end of described adjuster bar 13 is provided with web member 14, and described web member 14 is spill bulk or Kan shape rod shape, and its recess is downward, and the height of the concave bottom portion here will be higher than the axle head height of motor 40; One end of described flexure strip 20 is fixed on the lower end part of web member 14 indent montant sections, and the other end overhangs towards the exit side of web member 14, and two flexure strips 20 that arrange on same web member 14 are one group, two cross-shaped layouts of flexure strip 20 on the same group.Due to two cross-shaped layouts of flexure strip 20, for fear of both, occur interfering, one of them flexure strip 20 is fixed on the position difference of web member 14 indent montant section lower ends, and one is on the upper side, and one is on the lower side, as shown in Figure 2.
The arrangement of flexure strip 20 has multiple.Consult Fig. 5, flexure strip 20 toward each other one end extends, and the body of two flexure strips 20 is arranged in parallel, and the body of two flexure strips 20 partially overlaps.While arranging like this, the body of flexure strip 20 is parallel with crossbeam 11, and when the axle of motor 40 arrives at flexure strip 20 along conveying belt 30 conveyings, both contacts are comparatively unexpected, easily produce axle damage.Therefore, as preferred version of the present utility model, the described curved strip of sheet of flexure strip 20, the face at flexure strip 20 places is parallel to the axle of motor 40, the axle of the body of flexure strip 20 and motor 40 the path of process intersect, wherein arc has guaranteed that the axle of motor 40 smoothly contacts with flexure strip 20, and strip of sheet increases contact area between the two.
It may be noted that be, the body of the flexure strip 20 described in epimere and the axle of motor 40 the path of process intersect, be not refer to the body of flexure strip 20 and the axle of motor 40 the path of process cross-shaped, also it is parallel to be that flexure strip 20 bodies extend to Chu Yu path, path, as shown in Figure 6, as long as guarantee that motor 40 can lean with the body of flexure strip 20 through out-of-date.Certainly, as shown in Figure 7, flexure strip 20 is X shape to most preferred scheme.
The adjuster bar 13 of arranging on crossbeam 11 and the quantity of web member 14 are consistent with every group of motor 40 quantity on conveying belt 30, and the position of adjuster bar 13 and web member 14 and the position of motor 40 match.
In Fig. 4, Fig. 8～Figure 11, the direction of arrow in the lower left corner represent the throughput direction of conveying belt 30.Different according to the transport model of conveying belt 30, the arrangement of crossbeam 11 is not identical yet here:
If described conveying belt 30 is for discontinuous conveying, preferably, described crossbeam 11 length directions are vertical with the throughput direction of conveying belt 30, as shown in Figure 4.When motor 40 moves to while leaning position with flexure strip 20, conveying belt 30 stops, now, with flexure strip 20 against same group of motor 40 carry out successively resistance test, 40, the motor that does not carry out resistance test carries out aging; After resistance test, conveying belt 30 continues on to when next group motor 40 leans with flexure strip 20 and stops, and so moves in circles.The < < motor resistance test that can apply on the same day referring to our company about the control section of whole system and aging equipment > > do not repeat herein.
It should be noted that, be not when conveying belt 30 is carried for discontinuous, the length direction of crossbeam 11 must be vertical with the throughput direction of conveying belt 30, and the arrangement of crossbeam 11 is mainly that the flexure strip 20 that makes to be arranged on crossbeam 11 can contact with the axle of motor 40.
If described conveying belt 30 is carried for continous way, preferably, is acute angle, as shown in Figure 8 by the angle of the throughput direction of described crossbeam 11 length directions and conveying belt 30.Because the resistance test to every motor 40 needs certain hour, and motor 40 is when carry continuously along with conveying belt 30, the axle of motor 40 and flexure strip 20 against limited time.Consult Figure 11, first, the axle of motor 40a and flexure strip 20a lean, now motor 40a is carried out to resistance test, and along with the conveying of conveying belt 30, when complete to resistance test, the axle of motor 40a and flexure strip 20a are separated, and now the axle of motor 40b and flexure strip 20b lean; Again, motor 40b is carried out to resistance test, along with the conveying of conveying belt 30, when complete to the resistance test of motor 40b, the axle of motor 40b and flexure strip 20b are separated, and now the axle of motor 40c and flexure strip 20a lean.So move in circles, can in the situation that conveying belt 30 is carried continuously, to each motor 40, carry out resistance test.
It is pointed out that when conveying belt 30 is carried for continous way, crossbeam 11 is that acute angle is a preferably scheme with the throughput direction angle of conveying belt 30.Can also arrange so in addition: described crossbeam 11 length directions are vertical with the throughput direction of conveying belt 30, the contacting travel of the flexure strip 20 arranging on each web member 14 each other front and back is arranged, contacting travel be axle and the flexure strip 20 of motor 40 just started contact to both, start motor 40 when separated axle the stroke of process, as shown in Figure 9, before and after contacting travel, arrange the axle of motor 40 was leant in different time and flexure strip 20; Or described crossbeam 11 is arranged to bending, as shown in figure 10, so also can meets the demands.Other similar arrangements are also a lot, as on the basis of Fig. 4, change the shape of adjuster bar 13 or web member 14, repeat no longer one by one herein.
Discontinuous is carried, the length of flexure strip 20 is without very long, because the axle of motor 40 and flexure strip 20 against time conveying belt 30 just stop carrying, can there is time enough to carry out resistance test to this group motor 40, meanwhile, discontinuous carries also handled easily personnel to put down or take out motor 40 at conveying belt 30 two ends.Continous way is carried; the length of flexure strip 20 guarantees the time that is greater than resistance test duration of contact of axle and the flexure strip 20 of motor 40 in course of conveying; the actuating unit that the advantage that continous way is carried is to drive conveying belt 30 actions, without start/stop frequently, plays certain protective effect to actuating unit.
Claims (8)
1. a motor resistance test auxiliary mould, it is characterized in that: comprise support (10) and flexure strip (20), described support (10) is arranged in conveying belt (30) medium position place, it is upper and be electrically connected to voltage resistant instrument by wire that one end of described flexure strip (20) is fixed on support (10), the other end of flexure strip (20) be suspended at the shell of motor (40) or axle on the path of process and lean/be separated with shell or the axle of motor (40).
2. motor resistance test auxiliary mould as claimed in claim 1, it is characterized in that: described support (10) comprises the crossbeam (11) that is suspended at conveying belt (30) top, the two ends of crossbeam (11) are fixed on the framework of equipment by column (12), offer the through hole of up/down perforation on crossbeam (11); Adjuster bar (13) is plugged in described through hole, and one end that adjuster bar (13) is positioned at crossbeam (11) below arranges described flexure strip (20).
3. motor resistance test auxiliary mould as claimed in claim 2, is characterized in that: the lower end of described adjuster bar (13) is provided with web member (14), and described web member (14) is spill bulk or Kan shape rod shape, and its recess is downward; One end of described flexure strip (20) is fixed on the hypomere position of web member (14) indent montant section, the other end overhangs towards the exit side of web member (14), upper two flexure strips (20) that arrange of same web member (14) are one group, the cross-shaped layout of two flexure strips (20) on the same group.
4. motor resistance test auxiliary mould as claimed in claim 2 or claim 3, it is characterized in that: described adjuster bar (13) cross section is square, on adjuster bar (13), be provided with pilot hole (131), pilot hole is plugged with pin in (131), and the horizontal through hole top restriction adjuster bar (13) of offering on crossbeam (11) of pin moves down.
5. the motor resistance test auxiliary mould as described in claim 1,2 or 3, it is characterized in that: the curved strip of sheet of described flexure strip (20), the face at flexure strip (20) place is parallel to the axle of motor (40), the axle of the body of flexure strip (20) and motor (40) the path of process intersect.
6. motor resistance test auxiliary mould as claimed in claim 5, is characterized in that: described conveying belt (30) is carried for discontinuous, and described crossbeam (11) length direction is vertical with the throughput direction of conveying belt (30).
7. motor resistance test auxiliary mould as claimed in claim 5, is characterized in that: described conveying belt (30) is carried for continous way, and the angle of the throughput direction of described crossbeam (11) length direction and conveying belt (30) is acute angle.
8. motor resistance test auxiliary mould as claimed in claim 5, it is characterized in that: described conveying belt (30) is continous way conveying, described crossbeam (11) length direction is vertical with the throughput direction of conveying belt (30), and the contacting travel of the upper flexure strip (20) arranging of each web member (14) each other front and back is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460128.7U CN203479835U (en) | 2013-07-30 | 2013-07-30 | Auxiliary tool for motor voltage withstanding detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460128.7U CN203479835U (en) | 2013-07-30 | 2013-07-30 | Auxiliary tool for motor voltage withstanding detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479835U true CN203479835U (en) | 2014-03-12 |
Family
ID=50228144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320460128.7U Withdrawn - After Issue CN203479835U (en) | 2013-07-30 | 2013-07-30 | Auxiliary tool for motor voltage withstanding detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364598A (en) * | 2013-07-30 | 2013-10-23 | 合肥凯邦电机有限公司 | Withstand voltage detection auxiliary tool of motor |
-
2013
- 2013-07-30 CN CN201320460128.7U patent/CN203479835U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364598A (en) * | 2013-07-30 | 2013-10-23 | 合肥凯邦电机有限公司 | Withstand voltage detection auxiliary tool of motor |
| CN103364598B (en) * | 2013-07-30 | 2015-07-22 | 合肥凯邦电机有限公司 | Withstand voltage detection auxiliary tool of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150722 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150722 |
|
| RGAV | Abandon patent right to avoid regrant |