CN217059136U - Device for detecting carbon brush compression spring force - Google Patents
Device for detecting carbon brush compression spring force Download PDFInfo
- Publication number
- CN217059136U CN217059136U CN202220530233.2U CN202220530233U CN217059136U CN 217059136 U CN217059136 U CN 217059136U CN 202220530233 U CN202220530233 U CN 202220530233U CN 217059136 U CN217059136 U CN 217059136U
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- China
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- carbon brush
- base
- slip ring
- pressure sensor
- spring force
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- Motor Or Generator Current Collectors (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model provides a detect device that carbon brush compresses tightly spring force, including the base, be equipped with the support on its characterized in that base, be equipped with pressure sensor on the support, be equipped with the generator slip ring analog block that matches and join in marriage with it on the pressure sensor, pressure sensor is connected with the display panel electricity of locating on the base, lies in generator slip ring analog block one side on the base and is equipped with the supporting seat. The carbon brush to be tested is installed on the supporting seat, the actual working state of the carbon brush and the generator slip ring can be simulated through the generator slip ring simulation block, when the compression spring on the carbon brush is stressed, the spring force data of the compression spring on the carbon brush can be obtained through the pressure sensor, and the spring force data are displayed on the display board, so that the detection of the compression spring force of the carbon brush is completed quickly, the structure is simple, the use is convenient, the numerical value is real and accurate, and a good guarantee is provided for the normal operation of a generator.
Description
Technical Field
The utility model relates to a detection device, especially a detect device that carbon brush compresses tightly spring force belongs to and detects inspection tool manufacturing and designing technical field.
Background
The water turbine generator set adopts a static excitation system, the excitation system outputs excitation current to the carbon brush, then the current is transmitted to the brush holder through the compression spring, the brush holder is fixed on a collector ring of the generator, and the carbon brush is in frictional contact with a slip ring of the generator, so that the excitation current is transmitted to a loop of a rotor of the generator. After long-term operation, the compression spring of the carbon brush is affected by quality problems, metal fatigue and other factors, and the compression spring force can change, so that the contact area and the contact resistance of the carbon brush and the slip ring of the generator are inconsistent, and the current value flowing through each carbon brush is deviated. Therefore, the current of each carbon brush is unbalanced, so that the individual carbon brush is accelerated in abrasion, overheated and even ignited, and the safe and stable operation of the unit is influenced. At present, no device capable of directly measuring the carbon brush compression spring force exists in the market, and judgment can be carried out only through artificial experience. There is therefore a need for improvements in the prior art.
Disclosure of Invention
There is not special measuring instrument for solving current carbon brush pressure spring force, can only rely on technical staff to carry out experience judgement, and accuracy, reliability are difficult to guarantee the scheduling problem, the utility model provides a detect device of carbon brush pressure spring force.
The utility model discloses a following technical scheme accomplishes: the utility model provides a detect carbon brush and compress tightly device of spring force, the on-line screen storage device comprises a base, be equipped with the support on its characterized in that base, be equipped with pressure sensor on the support, be equipped with the generator slip ring analog block that matches with it on the pressure sensor, pressure sensor is connected with the display panel electricity of locating on the base, it is equipped with the supporting seat to lie in generator slip ring analog block one side on the base, so that arrange the carbon brush that awaits measuring of taking hold-down spring and brush holder on the supporting seat in it, and make the carbon brush and the generator slip ring analog block contact the back, can obtain the spring force data of hold-down spring on the carbon brush through pressure sensor, and show on the display panel, thereby accomplish the detection that the carbon brush compresses tightly the spring force fast.
The base is designed into a circular or polygonal flat plate so as to support other parts and the carbon brush to be tested through the base.
The support comprises a vertical plate, a horizontal bottom plate is connected to the bottom of the vertical plate, and a waist hole for installing a locking bolt and a nut is formed in the horizontal bottom plate, so that the positions of the horizontal bottom plate and the vertical plate on the base are realized by adjusting the positions of the locking bolt and the nut in the waist hole, and the detection requirement of the force of the carbon brush compression spring is met.
The pressure sensor is fixed on the upper portion of the vertical plate through bolts and nuts so that the elasticity of the electric brush compression spring can be conveniently tested through the pressure sensor.
One side of the generator slip ring simulation block is a plane, the other side of the generator slip ring simulation block is an arc-shaped surface consistent with the radian of the generator slip ring, the plane of the generator slip ring simulation block is connected with the pressure sensor, and the arc-shaped surface is connected with the carbon brush in a matching mode, so that the actual radian of the slip ring on the generator slip ring simulation block simulation equipment is facilitated, and the detection accuracy is ensured.
The supporting seat comprises a seat body with a cavity, a sliding rail, an opening at the front end and a round hole at the rear end, the bottom of the supporting seat is fixed on the base, so that the carbon brush of the carbon brush to be tested, the carbon brush seat and a compression spring on the carbon brush seat are arranged on the sliding rail, the front end of a brush holder movably connected to the carbon brush seat is arranged in the cavity of the supporting seat, and the rear end of the brush holder extends out of the round hole at the rear end of the supporting seat to complete the fixation of the carbon brush to be tested.
The utility model has the advantages of the following and the effect: by adopting the scheme, the carbon brush to be tested with the compression spring and the carbon brush seat can be conveniently installed on the supporting seat, the actual working state of the carbon brush and the generator slip ring can be simulated through the generator slip ring simulation block, when the compression spring on the carbon brush is stressed, the spring force data of the compression spring on the carbon brush can be obtained through the pressure sensor and is displayed on the display board, so that the detection of the compression spring force of the carbon brush is rapidly completed, the carbon brush pressure sensor is simple in structure, convenient to use and real and accurate in numerical value, and a good guarantee is provided for the normal operation of a generator. Is an ideal detection tool.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a view of the supporting seat a in fig. 2.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a device for detecting carbon brush compression spring force, including base 1, be equipped with support 3 on this base 1, be equipped with pressure sensor 4 on the support 3, be equipped with generator sliding ring analog block 5 that matches with it on pressure sensor 4, pressure sensor 4 is connected with display panel 10 electricity that locates on base 1, is located generator sliding ring analog block 5 one side on base 1 and is equipped with supporting seat 8;
the base 1 is set to be a square flat plate so as to support the support 3, the pressure sensor 4, the generator slip ring simulation block 5, the support base 8 and the to-be-tested carbon brush 7 with the compression spring and the brush holder 12 thereon through the base 1;
the support 3 comprises a vertical plate 6, the bottom of the vertical plate 6 is connected with a horizontal bottom plate 2, two waist holes 11 in which locking bolts and nuts 9 are arranged are formed in the horizontal bottom plate 2, and the positions of the horizontal bottom plate 2 and the vertical plate 6 on the base 1 are adjusted by adjusting the positions of the locking bolts and the nuts 9 in the waist holes 11, so that the detection requirement of the carbon brush compression spring force is met;
the pressure sensor 4 is a conventional component and is fixed on the upper part of the vertical plate 6 through a bolt and a nut;
one side of the generator slip ring simulation block 5 is a plane, the other side of the generator slip ring simulation block is an arc-shaped surface consistent with the radian of a generator slip ring, the plane of the generator slip ring simulation block 5 is connected with the pressure sensor 4, and the arc-shaped surface is matched and connected with the carbon brush 7 so as to simulate the real radian of the slip ring through the generator slip ring simulation block 5, thereby ensuring the detection accuracy;
the supporting seat 8 comprises a cavity 13 in the supporting seat, a sliding rail 14 is arranged at the top of the supporting seat, the front end of the supporting seat is provided with an opening, the rear end of the supporting seat is provided with a round hole 15, the bottom of the supporting seat 8 is fixed on the base 1, so that the carbon brush 7, the carbon brush seat and a compression spring on the carbon brush seat are arranged on the sliding rail 14, the front end of a brush holder 12 movably connected onto the carbon brush seat is arranged in the cavity 13 of the supporting seat 8, the rear end of the brush holder 12 extends out through the round hole 15 at the rear end of the supporting seat 8, so that the supporting seat 8 supports and fixes the supporting seat, and the carbon brush 7 is further contacted with the generator slip ring simulation block 5.
During operation, the carbon brush 7 to be tested with the pressure spring thereon and the carbon brush holder is arranged on the sliding rail of the supporting seat 8, so that the front end of the brush holder 12 movably connected to the carbon brush holder is arranged in the cavity of the supporting seat 8, the rear end of the brush holder 12 extends out through the round hole at the rear end of the supporting seat 8, and after the carbon brush 7 is contacted with the generator slip ring simulation block 5, the pressure spring on the carbon brush 7 is stressed, the spring force data of the pressure spring on the carbon brush 7 can be obtained through the pressure sensor 4, and the display is displayed on the display panel 10, so that the detection of the pressure spring force of the carbon brush is rapidly completed.
Claims (6)
1. A device for detecting the carbon brush compression spring force comprises a base and is characterized in that a support is arranged on the base, a pressure sensor is arranged on the support, a generator slip ring simulation block matched with the pressure sensor is arranged on the pressure sensor, the pressure sensor is electrically connected with a display board arranged on the base, and a supporting seat is arranged on one side, located on the generator slip ring simulation block, of the base.
2. The apparatus of claim 1, wherein the base is configured as a circular or polygonal flat plate.
3. The apparatus according to claim 1, wherein the holder includes a vertical plate, a horizontal bottom plate is connected to a bottom of the vertical plate, and a waist hole for installing a locking bolt and a nut is formed in the horizontal bottom plate.
4. The apparatus according to claim 1, wherein the pressure sensor is fixed to an upper portion of the vertical plate by a bolt and a nut.
5. The device for detecting the carbon brush compression spring force according to claim 1, wherein one surface of the generator slip ring simulation block is a plane, the other surface of the generator slip ring simulation block is an arc-shaped surface consistent with the radian of the generator slip ring, the plane of the generator slip ring simulation block is connected with the pressure sensor, and the arc-shaped surface is connected with the carbon brush in a matching mode.
6. The apparatus according to claim 1, wherein the support base includes a base body having a cavity therein, a top portion with a slide rail, a front end with an opening, and a rear end with a circular hole, and a bottom portion of the support base is fixed to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220530233.2U CN217059136U (en) | 2022-03-12 | 2022-03-12 | Device for detecting carbon brush compression spring force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220530233.2U CN217059136U (en) | 2022-03-12 | 2022-03-12 | Device for detecting carbon brush compression spring force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059136U true CN217059136U (en) | 2022-07-26 |
Family
ID=82489881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220530233.2U Active CN217059136U (en) | 2022-03-12 | 2022-03-12 | Device for detecting carbon brush compression spring force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059136U (en) |
-
2022
- 2022-03-12 CN CN202220530233.2U patent/CN217059136U/en active Active
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