CN211347290U - Aviation motor brush volute spiral spring elasticity measuring device - Google Patents
Aviation motor brush volute spiral spring elasticity measuring device Download PDFInfo
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- CN211347290U CN211347290U CN202020092111.0U CN202020092111U CN211347290U CN 211347290 U CN211347290 U CN 211347290U CN 202020092111 U CN202020092111 U CN 202020092111U CN 211347290 U CN211347290 U CN 211347290U
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Abstract
The utility model discloses an aviation motor brush volute spring elasticity measuring device, including base, location mount pad, electrode shaft, weight subassembly and automatically controlled box, the right-hand member of electrode shaft runs through the base and extends to the outside of base, one side fixedly connected with brush subassembly of base is kept away from to the mount pad in the location, the brush subassembly includes the armature shaft, the utility model relates to an aviation motor brush subassembly event is examined and is repaired technical field. This aeromotor brush spiral spring elasticity measuring device through under the condition that does not allow to dismantle the spiral spring alone, the operating condition of simulation brush subassembly and the electrically conductive characteristic of brush measure spiral spring elasticity, show the elasticity of extreme condition through the low voltage power indicator directly perceivedly, measure accurate reliable, work efficiency is high, overcomes the unable measuring technological problem of elasticity under the brush spiral spring combination state, remedies the blank in the aeromotor trade event maintenance technology.
Description
Technical Field
The utility model relates to an aviation DC motor brush subassembly is examined and is repaired technical field, specifically is an aviation motor brush volute spiral spring elasticity measuring device.
Background
Brush holder and brush are the constant among direct current motor's the brush subassembly, and the variable is the pressure of volute spiral spring to the brush, if volute spiral spring is too big to brush pressure, will aggravate brush wear velocity and produce great spark and cause the accident, if volute spiral spring is too little to brush pressure, will unable constant contact who keeps the brush armature, the operational reliability reduces, therefore direct current motor when repairing the event and examining, need compress tightly the position according to the regulation and measure brush volute spiral spring elasticity at the standard.
The existing method for measuring the elasticity of the volute spiral spring is that after the volute spiral spring is pulled to a specified value by a spring scale, a thickness feeler gauge is used for measuring whether a gap value is qualified or not, the measuring method has the defects of large influence of human factors, non-visual reading and low accuracy, the elasticity of the volute spiral spring can only be measured in an independent state, and the volute spiral spring assembled on an electric brush assembly is forbidden to be disassembled because the volute spiral spring is sealed by enamel paint, so that the method for measuring the elasticity of the volute spiral spring by the spring scale cannot be implemented, and the working reliability of the aviation direct current motor is reduced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an aeromotor brush spiral spring elasticity measuring device has solved the spiral spring of assembling on the brush subassembly, because sealed by the enamel, forbids dismantling it, consequently adopts the spring balance to measure the unable implementation of its elasticity method, leads to the problem that aeromotor operational reliability reduces.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an aviation motor brush volute spring elasticity measuring device comprises a base, a positioning mounting seat, an electrode shaft, a weight component and an electric control box, the right end of the electrode shaft penetrates through the base and extends to the outside of the base, one side of the positioning installation seat far away from the base is fixedly connected with an electric brush component, the electric brush component comprises an electric brush shaft, an electric brush is fixedly connected to the surface of the electric brush shaft, an electric brush mounting hole is formed in the surface of the electric brush component, the top and the bottom of the surface of the electric brush component and one side of the electric brush far away from the armature shaft are fixedly connected with scroll spring pressure arms, a first lead is fixedly connected inside the electric brush, a stay wire is fixedly connected with one side of the surface of the electric brush, and the bottom of the stay wire is movably connected with a weight component, the right side of the top of the base is fixedly connected with the bottom of the electric control box, and the top of the front side of the electric control box is fixedly connected with an indicator light.
Preferably, the weight component comprises a weight, positioning pins are fixedly connected to two sides of the top of the weight, and the top of the left side of the base is in threaded connection with the right side of the positioning mounting seat through bolts.
Preferably, the right side on electrode shaft surface just is located the insulating position sleeve of the inside fixedly connected with of base, the electrode shaft extends to the surface of the outside one end of base and is located the insulating pad of the right side fixedly connected with of base.
Preferably, both sides on the surface of the electrode shaft and the right side of the insulating pad are fixedly connected with conductive compression nuts, and the surface of the electrode shaft and the side between the two opposite conductive compression nuts are fixedly connected with a lug plate.
Preferably, a second wire is electrically connected between the right side of the bottom of the lug plate and the back of the electric control box, and a third wire is electrically connected between one end of the first wire, which is far away from the electric brush, and the back of the electric control box.
Preferably, the insulating locating sleeve and the insulating pad are both made of insulating bakelite, and the electrode shaft is of a threaded step shaft structure.
Advantageous effects
The utility model provides an aviation motor brush spiral spring elasticity measuring device. Compared with the prior art, the method has the following beneficial effects:
(1) the aviation motor electric brush volute spring elasticity measuring device is characterized in that one side of a positioning mounting seat far away from a base is fixedly connected with an electric brush assembly, the electric brush assembly comprises an electric pivot shaft, the surface of the electric pivot shaft is fixedly connected with an electric brush, the surface of the electric brush assembly is provided with an electric brush mounting hole, the top and the bottom of the surface of the electric brush assembly are fixedly connected with volute spring pressing arms respectively and are positioned at one sides of the electric brush far away from the electric pivot shaft, the inner part of the electric brush is fixedly connected with a first lead, one side of the surface of the electric brush is fixedly connected with a stay wire, the bottom of the stay wire is movably connected with a weight assembly, the right side of the top of the base is fixedly connected with the bottom of an electric control box, an indicating lamp is fixedly connected with the top of the front of the electric control box, under the condition that the volute spring is not allowed to be independently dismounted, the working state of, the measurement is accurate and reliable, the work efficiency is high, the technical problem that the elasticity cannot be measured under the combined state of the electric brush volute spring is solved, and the gap in the maintenance technology of the aviation motor industry is made up.
(2) This aeroengine brush volute spiral spring elasticity measuring device, the right-hand member through the electrode shaft runs through the base and extends to the outside of base, the right side on electrode shaft surface just is located the insulating position sleeve of the inside fixedly connected with of base, the electrode shaft extends to the surface of the outside one end of base and is located the insulating pad of the right side fixedly connected with of base, insulating position sleeve all adopts insulating bakelite to make with insulating pad, the base adopts nodular cast iron material, the electrode shaft adopts bakelite to keep apart with base coupling part adoption, prevent that the base from electrically conducting, measuring device's stability and accuracy have been guaranteed.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a schematic structural view of the brush assembly of the present invention;
FIG. 4 is a front view of the lug structure of the present invention;
fig. 5 is a left side view of the process brush structure of the present invention.
In the figure: the device comprises a base 1, a positioning mounting seat 2, an electrode shaft 3, a weight assembly 4, a weight 41, a positioning pin 42, an electronic control box 5, a brush assembly 6, an armature shaft 61, a brush 62, a brush mounting hole 63, a volute spiral spring pressing arm 64, a first lead 7, a pull wire 8, an indicator light 9, an insulating positioning sleeve 10, an insulating pad 11, a conductive compression nut 12, a wiring piece 13, a second lead 14 and a third lead 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an aviation motor brush volute spring elasticity measuring device comprises a base 1, a positioning mounting seat 2, an electrode shaft 3, a weight assembly 4 and an electric control box 5, wherein in order to ensure the working reliability of an electric brush assembly 6, the elasticity value of a volute spring is required to be ensured within the range of 1.176N (120g) -1.372N (140g), conductive compression nuts 12 are fixedly connected to the two sides of the surface of the electrode shaft 3 and the right side of an insulating pad 11, a lug plate 13 is fixedly connected between the surface of the electrode shaft 3 and the opposite sides of the two conductive compression nuts 12, a second lead 14 is electrically connected between the right side of the bottom of the lug plate 13 and the back of the electric control box 5, a third lead 15 is electrically connected between one end of the first lead 7, which is far away from an electric brush 62, and the back of the electric control box 5, an insulating positioning sleeve 10 is fixedly connected to the right side of the surface of the electrode shaft 3 and the inside of the base, the insulating locating sleeve 10 and the insulating pad 11 are both made of insulating bakelite, the electrode shaft 3 adopts a threaded stepped shaft structure, the electrode shaft 3 extends to the surface of one end outside the base 1 and is fixedly connected with the insulating pad 11 on the right side of the base 1, the weight assembly 4 comprises weights 41, during measurement, the electrode shaft comprises 8 pieces of 1g weights 41 and 4 pieces of 5g weights 41, the electrode shaft is made of 1Cr18Ni9Ti material, the maximum or minimum elastic force value is obtained by increasing or decreasing the weights 41 on the locating pins 42 in the measurement process, the locating pins 42 are fixedly connected with two sides of the top of the weights 41, the top of the left side of the base 1 is in threaded connection with the right end of the locating mounting seat 2 through bolts, the electrode shaft 3 penetrates through the base 1 and extends to the outside of the base 1, the brush assembly 6 is fixedly connected with one side of the locating mounting seat 2 far away from the base 1, the brush assembly 6 comprises a pivot shaft 61, the outer diameter size of the stepped end of the electrode, the surface of the armature shaft 61 is fixedly connected with an electric brush 62, the electric brush 62 is made of H68 material and has a tetragonal structure, the size of a square body of the electric brush assembly is 0.015mm from the clearance of an electric brush mounting hole 63, the surface of the electric brush assembly 6 is provided with the electric brush mounting hole 63, the top and the bottom of the surface of the electric brush assembly 6 and one side of the electric brush 62 far away from an electric pivot 61 are both fixedly connected with a volute spiral spring pressure arm 64, the inside of the electric brush 62 is fixedly connected with a first lead 7, the first lead 7 adopts a bare copper electric brush wire, one side of the surface of the electric brush 62 is fixedly connected with a pull wire 8, the pull wire 8 adopts a 1.2# fish wire, the bottom end of the pull wire 8 is movably connected with the top of the weight component 4 through a hook, the right side of the top of the base 1 is fixedly connected with the bottom of the electric control box 5, and the top of the front side of the electric control box 5 is fixedly connected with an indicator lamp 9, and the upper and lower limit elasticity values of the volute spiral spring are visually displayed through the on or off of the low-voltage power indicator lamp 9.
When in use, the assembled volute spiral spring elasticity measuring device is fixed on a platform with a horizontal plane aligned, a power supply is switched on, the electric brush 62 is inserted into the electric brush mounting hole 62, the volute spiral spring pressure arm 64 is kept to be contacted with the lower end of the electric brush 62, the electric brush assembly 6 inserted into the electric brush 62 is placed in the inner cavity of the positioning mounting seat 2 and then is pressed tightly, at the moment, the inner hole of the electric brush assembly 6 is matched with the outer circle of the extending part of the insulating positioning sleeve 10 and is insulated with the base 1, the shaft axis of the process electric brush 62 is kept to be always vertical and downward due to the limiting effect of the 30-degree edge of the electric brush assembly shell, the process electric brush 62 applies elasticity upwards through the volute spiral spring pressure arm 64, the upper end surface of the electric brush 62 is kept to be contacted with the step surface of the electrode shaft 3, the weight 41 is hung on the stay wire 8, the second lead 14 is connected with the lug plate 13, the, at this time, if the power indicator is not on, the elastic force value of the brush scroll spring is smaller than 1.176N120g, the power indicator is judged to be unqualified, if the power indicator is on, 4 weights 41 to 1.372N140g of 5g are directly added, the power indicator is off, the elastic force value of the brush scroll spring meets the requirement of 1.176N120g-1.372N140g, the power indicator is judged to be qualified, if the weights 41 to 1.372N140g are added, the power indicator is still on, the elastic force value of the brush scroll spring is larger than 1.372N140g, the power indicator is judged to be unqualified, if the maximum elastic force value of the qualified brush scroll spring needs to be known, under the condition that the power indicator is on, only 1g weight 41 or 5g weight 41 needs to be added one by one, and the mass sum of the weights is the maximum elastic force value of the brush scroll spring at the moment that the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an aviation motor brush spiral spring elasticity measuring device, includes base (1), location mount pad (2), electrode shaft (3), weight subassembly (4) and automatically controlled box (5), its characterized in that: the right end of the electrode shaft (3) penetrates through the base (1) and extends to the outside of the base (1), one side, far away from the base (1), of the positioning installation seat (2) is fixedly connected with an electric brush assembly (6), the electric brush assembly (6) comprises an electric pivot shaft (61), the surface of the electric pivot shaft (61) is fixedly connected with an electric brush (62), the surface of the electric brush assembly (6) is provided with an electric brush installation hole (63), the top and the bottom of the surface of the electric brush assembly (6) are both fixedly connected with a volute spring pressure arm (64) on one side, far away from the electric pivot shaft (61), of the electric brush (62), a first lead (7) is fixedly connected with the inside of the electric brush (62), one side, far away from the surface of the electric brush (62), of a pull wire (8) is fixedly connected with the bottom end of the pull wire (8) and the top of the weight assembly (4) through a hook, and the right side of the top of the base (, and the top of the front surface of the electric control box (5) is fixedly connected with an indicator lamp (9).
2. The aero-motor brush wrap spring force measurement device of claim 1, wherein: the weight component (4) comprises a weight (41), positioning pins (42) are fixedly connected to two sides of the top of the weight (41), and the top of the left side of the base (1) is in threaded connection with the right side of the positioning mounting seat (2) through bolts.
3. The aero-motor brush wrap spring force measurement device of claim 1, wherein: the electrode shaft (3) surface right side just is located the inside fixedly connected with insulation position sleeve (10) of base (1), electrode shaft (3) extend to the surface of the outside one end of base (1) and just are located the right side fixedly connected with insulating pad (11) of base (1).
4. An aviation motor brush scroll spring force measuring device according to claim 3, characterized in that: the electrode structure is characterized in that conductive compression nuts (12) are fixedly connected to the two sides of the surface of the electrode shaft (3) and located on the right side of the insulating pad (11), and a lug plate (13) is fixedly connected to the surface of the electrode shaft (3) and located between the two opposite sides of the conductive compression nuts (12).
5. An aviation motor brush scroll spring force measuring device according to claim 4, characterized in that: and a second lead (14) is electrically connected between the right side of the bottom of the lug (13) and the back of the electric control box (5), and a third lead (15) is electrically connected between one end of the first lead (7) far away from the electric brush (62) and the back of the electric control box (5).
6. An aviation motor brush scroll spring force measuring device according to claim 3, characterized in that: the insulating locating sleeve (10) and the insulating pad (11) are both made of insulating bakelite, and the electrode shaft (3) is of a threaded step shaft structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020092111.0U CN211347290U (en) | 2020-01-16 | 2020-01-16 | Aviation motor brush volute spiral spring elasticity measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020092111.0U CN211347290U (en) | 2020-01-16 | 2020-01-16 | Aviation motor brush volute spiral spring elasticity measuring device |
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| CN211347290U true CN211347290U (en) | 2020-08-25 |
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| CN202020092111.0U Active CN211347290U (en) | 2020-01-16 | 2020-01-16 | Aviation motor brush volute spiral spring elasticity measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432772A (en) * | 2020-10-13 | 2021-03-02 | 中国船舶重工集团公司第七0七研究所 | Qualitative detection device and method for elasticity of electric brush reed based on direct-current torque motor |
-
2020
- 2020-01-16 CN CN202020092111.0U patent/CN211347290U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432772A (en) * | 2020-10-13 | 2021-03-02 | 中国船舶重工集团公司第七0七研究所 | Qualitative detection device and method for elasticity of electric brush reed based on direct-current torque motor |
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