CN218727850U - Exciter test tool - Google Patents
Exciter test tool Download PDFInfo
- Publication number
- CN218727850U CN218727850U CN202222766089.5U CN202222766089U CN218727850U CN 218727850 U CN218727850 U CN 218727850U CN 202222766089 U CN202222766089 U CN 202222766089U CN 218727850 U CN218727850 U CN 218727850U
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- Prior art keywords
- support
- exciter
- dummy shaft
- shaft
- driving mechanism
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000035480 Ring chromosome 8 syndrome Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an experimental frock of exciter, the on-line screen storage device comprises a base, demountable installation has actuating mechanism, first support, second support on the base, rotate on the first support and install the dummy shaft, the first end of dummy shaft with actuating mechanism's expansion end can be dismantled the connection, rotate on the second support and install experimental axle, the second end of dummy shaft with the coaxial connection of dismantling of experimental axle. The utility model has the advantages that: the exciter test tool is wide in application range.
Description
Technical Field
The utility model relates to an exciter field, concretely relates to experimental frock of exciter.
Background
The exciter is generally used for firepower and hydroelectric steam turbine as a matching set, and the exciter needs to be tested before leaving the factory to detect relevant parameters, for example, the exciter is installed on an exciter testing device to be tested in a relevant way, but in the prior art, the application range of the exciter testing device is not wide enough, and generally only a few exciters which can meet the pertinence of the exciter can be tested, and when the specification of the exciter changes, the exciter cannot be tested on the same exciter testing device.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in:
the exciter test device in the prior art has the technical problem of small application range.
The utility model discloses an solve above-mentioned technical problem through following technical means:
the utility model provides an exciter test fixture, includes the base, demountable installation has actuating mechanism, first support, second support on the base, rotate on the first support and install the dummy shaft, the first end of dummy shaft with actuating mechanism's expansion end can be dismantled and be connected, rotate on the second support and install experimental axle, the second end of dummy shaft with the coaxial connection of dismantling of experimental axle.
The utility model provides an exciter test fixture is when actual application, mainly used installation fixed exciter to carry out corresponding detection, during the use, install the dummy shaft to the rotor of exciter, and fix the exciter on the base, rotate the dummy shaft and install on the first support, with the first end of dummy shaft with actuating mechanism's expansion end is connected, with the second end of dummy shaft with experimental hub connection, the rotor that can drive dummy shaft and exciter promptly through actuating mechanism rotates, when installing the exciter of different specifications, because actuating mechanism, first support, second support all are demountable installation on the base, therefore can adjust the position of actuating mechanism, first support, second support according to actual demand is nimble, in order to satisfy actual demand, this exciter test fixture application scope is wider.
Preferably, the base is provided with a mounting groove, the driving mechanism, the first support and the second support are respectively installed on the mounting groove through bolts and nuts, and the driving mechanism, the first support and the second support are sequentially arranged along the length direction of the mounting groove.
Preferably, the mounting groove is an inverted T-shaped groove, a locking nut is slidably arranged in the T-shaped groove, a locking bolt is screwed on the locking nut, a pressing plate is sleeved on the locking bolt, and the pressing plate is pressed on the driving mechanism and the first support or the second support.
Preferably, a protective cover is arranged on the base, and the driving mechanism is located in the protective cover.
Preferably, the driving mechanism comprises a support and a motor arranged on the support, and the first end of the dummy shaft is detachably connected with an output shaft of the motor.
Preferably, a first sliding bearing is arranged on the first bracket, and the dummy shaft is installed in the first sliding bearing;
and a second sliding bearing is arranged on the second support, and the test shaft is arranged in the second sliding bearing.
Preferably, the first end of the dummy shaft is provided with a conical section, the end part of the conical section is provided with a nut, and the conical section is provided with a dummy shaft coupler through the nut.
Preferably, a conical hole is formed in the dummy shaft coupler, the diameter of a first end of the conical hole is smaller than that of a second end of the conical hole, an accommodating hole is formed in the first end of the conical hole, and the nut is located in the accommodating hole.
Preferably, the end part of the test shaft is provided with a test shaft flange, the second end of the dummy shaft is provided with a dummy shaft flange, and the test shaft flange is connected with the dummy shaft flange through bolts and nuts.
Preferably, a plurality of base plates are respectively arranged at the bottoms of the driving mechanism, the first support and the second support.
In practical application, when the exciters with different heights are required to be installed and fixed, the heights of the driving mechanism, the first support and the second support can be changed by adjusting the number of the base plates so as to meet practical requirements, and the application range is wide.
The utility model has the advantages that:
1. the utility model provides an exciter test fixture is when actual application, mainly used installation fixed exciter to carry out corresponding detection, during the use, install the dummy shaft to the rotor of exciter, and fix the exciter on the base, rotate the dummy shaft and install on the first support, with the first end of dummy shaft with actuating mechanism's expansion end is connected, with the second end of dummy shaft with experimental hub connection, the rotor that can drive dummy shaft and exciter promptly through actuating mechanism rotates, when installing the exciter of different specifications, because actuating mechanism, first support, second support all are demountable installation on the base, therefore can adjust the position of actuating mechanism, first support, second support according to actual demand is nimble, in order to satisfy actual demand, this exciter test fixture application scope is wider.
2. In practical application, when the exciters with different heights are required to be installed and fixed, the heights of the driving mechanism, the first support and the second support can be changed by adjusting the number of the base plates so as to meet practical requirements, and the application range is wide.
Drawings
Fig. 1 is a schematic view of an exciter test fixture according to an embodiment of the present invention;
fig. 2 and 3 are a front view and a left view of the dummy shaft coupling in the embodiment of the present invention in sequence;
FIG. 4 is a schematic view of a dummy shaft according to an embodiment of the present invention;
fig. 5 is a schematic view of a test shaft in an embodiment of the present invention;
6-8 are a cross-sectional view, a side view, and a perspective view of the slip ring in the embodiment of the present invention in sequence;
FIG. 9 is a side view of a brush holder according to an embodiment of the present invention;
wherein,
a base-1; a mounting groove-11; a pressure plate-12; a locking nut-13; a locking bolt-14;
a drive mechanism-2; a support-21; a motor-22;
a first bracket-3; a first slide bearing-31;
a second bracket-4; a second plain bearing-41;
a dummy shaft-5; cone segment-51; a dummy shaft coupling-52; a nut-53; a dummy shaft flange-54; conical bore-521; an accommodation hole-522;
test shaft-6; a test shaft flange-61;
an exciter-7;
a slip ring-8; a slip ring shaft-81; an insulating sleeve-82; an inner slip ring-83; an outer slip ring-84;
a brush holder-9; bolt-91; a brush holder-92; and carbon brush-93.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below in combination with the technical solution of the embodiments of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an exciter testing tool includes a base 1, a driving mechanism 2, a first bracket 3, a second bracket 4, a dummy shaft 5, and a testing shaft 6.
As shown in fig. 1, demountable installation has actuating mechanism 2, first support 3, second support 4 on the base 1, rotate on the first support 3 and install dummy shaft 5, the first end of dummy shaft 5 with actuating mechanism 2's expansion end can dismantle the connection, rotate on the second support 4 and install experimental axle 6, the second end of dummy shaft 5 with experimental axle 6 is coaxial can dismantle the connection, experimental axle 6's structure is as shown in fig. 5.
Specifically, the mounting groove 11 is an inverted T-shaped groove, as shown in fig. 1, a lock nut 13 is slidably disposed in the T-shaped groove, a lock bolt 14 is screwed on the lock nut 13, a press plate 12 is sleeved on the lock bolt 14, the press plate 12 is pressed on the driving mechanism 2, the first support 3 or the second support 4, so that the driving mechanism 2, the first support 3 or the second support 4 is fixed on the base 1, when the positions of the driving mechanism 2, the first support 3 or the second support 4 on the base 1 are changed, the corresponding lock nut 13, the corresponding lock bolt 14 and the corresponding press plate 12 are moved, one end of the press plate 12 is pressed on the driving mechanism 2, the first support 3 or the second support 4, the lock bolt 14 is screwed, so that the driving mechanism 2, the first support 3 and the second support 4 can be fixed on the base 1, and the driving mechanism 2, the first support 3 and the second support 4 are fixed by a plurality of sets of lock nuts 13, lock bolts 14 and press plate 12, for example, four corners of the driving mechanism 2, the first support 3 and the second support 4 can be respectively set as a set.
Further, a protective cover is arranged on the base 1, the protective cover is of a circular arc-shaped thin plate structure and parallel to the axis of the driving mechanism 2, and the driving mechanism 2 is located in the protective cover.
Specifically, as shown in fig. 1, the driving mechanism 2 includes a support 21 and a motor 22 disposed on the support 21, the support 21 is used for supporting the motor 22 and mounting the motor 22 on the base 1, the support 21 is not limited to a specific shape, the first end of the dummy shaft 5 is detachably connected to the output shaft of the motor 22, and the dummy shaft 5 is coaxial with the output shaft of the motor 22.
Specifically, with reference to fig. 1 and 4, a conical section 51 is disposed at a first end of the dummy shaft 5, a nut 53 is mounted at an end of the conical section 51, and a dummy shaft coupler 52 is mounted on the conical section 51 through the nut 53. As shown in fig. 2 and 3, the dummy shaft coupling 52 is provided with a conical hole 521, the diameter of a first end of the conical hole 521 is smaller than that of a second end, the first end of the conical hole 521 is provided with a receiving hole 522, the nut 53 is located in the receiving hole 522, and the dummy shaft coupling 52 is mounted on the dummy shaft 5 through the nut 53.
As shown in fig. 1, a first sliding bearing 31 is provided on the first bracket 3, and the dummy shaft 5 is mounted in the first sliding bearing 31; the second support 4 is provided with a second slide bearing 41, in which second slide bearing 41 the test shaft 6 is mounted. The first bracket 3 and the second bracket 4 are used for mounting the dummy shaft 5 and the test shaft 6, respectively, and the first bracket 3 and the second bracket 4 are not limited to a specific shape.
As shown in fig. 1, a test shaft flange 61 is arranged at the end of the test shaft 6, the test shaft flange 61 is mounted at the end of the test shaft 6 through screws, a dummy shaft flange 54 is arranged at the second end of the dummy shaft 5, the dummy shaft flange 54 is mounted at the end of the dummy shaft 5 through screws, and the test shaft flange 61 and the dummy shaft flange 54 are connected through bolts and nuts.
The bottom parts of the driving mechanism 2, the first support 3 and the second support 4 are respectively provided with a plurality of backing plates. In practical application, when the exciters 7 with different heights need to be installed and fixed, the heights of the driving mechanism 2, the first support 3 and the second support 4 can be changed by adjusting the number of the base plates so as to meet practical requirements, and the application range is wide.
Further, as shown in fig. 1, a slip ring 8 is arranged on the test shaft 6, and with reference to fig. 6-8, the slip ring 8 includes a cylindrical slip ring shaft 81, an insulating sleeve 82 is arranged on the slip ring shaft 81, an inner slip ring 83 and an outer slip ring 84 are sequentially arranged on the insulating sleeve 82 along the axial direction, and the slip ring shaft 81 is sleeved on the test shaft 6.
As shown in fig. 1, a brush holder 9 is disposed on the second support 4, as shown in fig. 9, the brush holder 9 includes a bolt 91 parallel to the test shaft 6 and mounted on the second support 4, the bolt 91 is hinged with two brush holders 92, each brush holder 92 is arc-shaped, the two brush holders 92 are distributed along an axial direction of the bolt 91, each brush holder 92 is provided with two carbon brushes 93, the carbon brushes 93 point to an inner side of the arc-shaped brush holder 92, the two brush holders 92 correspond to the inner slip ring 83 and the outer slip ring 84 one by one, and the carbon brushes 93 on the two brush holders 92 are pressed on the inner slip ring 83 and the outer slip ring 84 respectively. Furthermore, the tail ends of the two brush holders 92 are fixedly connected; alternatively, the ends of the two brush holders 92 are connected to the second holder 4.
The slip ring 8 and the brush holder 9 are used for magnetizing alternating current of the stator, the magnetic poles of the stator form a magnetic field, the magnetic field and the rotor generate current, the current is rectified through the rectifying disc, the current is rectified to the slip ring 8 and transmitted to the carbon brush 93, when the slip ring 8 rotates, the carbon brush 93 slides on the slip ring 8, and current, voltage and the like of no-load and short-circuit tests are measured. The inner slip ring 83 and the outer slip ring 84 are respectively sleeved on the insulating sleeve 82 in a hot mode, and positive/negative copper line leads are mounted.
The working principle is as follows:
the utility model provides an exciter test fixture is when practical application, mainly used installation fixed exciter to carry out corresponding detection, during the use, install dummy shaft 5 to exciter 7's rotor in, and fix exciter 7 on base 1, rotate dummy shaft 5 and install on first support 3, with dummy shaft 5's first end with actuating mechanism 2's expansion end is connected, with dummy shaft 5's second end with experimental axle 6 is connected, can drive dummy shaft 5 and exciter 7's rotor through actuating mechanism 2 and rotate, when installing exciter 7 of different specifications, because actuating mechanism 2, first support 3, second support 4 all are demountable installation on the base 1, therefore can be according to the nimble position of adjusting actuating mechanism 2, first support 3, second support 4 of actual demand, in order to satisfy the actual demand, this exciter test fixture application scope is wider.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides an exciter test frock which characterized in that: including base (1), demountable installation has actuating mechanism (2), first support (3), second support (4) on base (1), it installs dummy shaft (5) to rotate on first support (3), the first end of dummy shaft (5) with the connection can be dismantled to the expansion end of actuating mechanism (2), it installs experimental axle (6) to rotate on second support (4), the second end of dummy shaft (5) with the coaxial connection of dismantling of experimental axle (6).
2. An exciter test fixture according to claim 1, wherein: the base (1) is provided with a mounting groove (11), the driving mechanism (2), the first support (3) and the second support (4) are mounted on the mounting groove (11) through bolts and nuts respectively, and the driving mechanism (2), the first support (3) and the second support (4) are sequentially arranged along the length direction of the mounting groove (11).
3. An exciter test fixture according to claim 2, wherein: the mounting groove (11) is an inverted T-shaped groove, a locking nut (13) is arranged in the T-shaped groove in a sliding mode, a locking bolt (14) is screwed on the locking nut (13), a pressing plate (12) is sleeved on the locking bolt (14), and the pressing plate (12) is pressed on the driving mechanism (2), the first support (3) or the second support (4).
4. An exciter test fixture according to claim 1, wherein: the base (1) is provided with a protective cover, and the driving mechanism (2) is located in the protective cover.
5. An exciter test fixture according to claim 1, wherein: the driving mechanism (2) comprises a support (21) and a motor (22) arranged on the support (21), and the first end of the dummy shaft (5) is detachably connected with an output shaft of the motor (22).
6. An exciter test fixture according to claim 1, wherein: a first sliding bearing (31) is arranged on the first bracket (3), and the dummy shaft (5) is installed in the first sliding bearing (31);
a second sliding bearing (41) is arranged on the second support (4), and the test shaft (6) is installed in the second sliding bearing (41).
7. An exciter test fixture according to claim 1, wherein: a conical section (51) is arranged at the first end of the dummy shaft (5), a nut (53) is installed at the end of the conical section (51), and a dummy shaft coupler (52) is installed on the conical section (51) through the nut (53).
8. An exciter testing tool according to claim 7, characterized in that: a conical hole (521) is formed in the dummy shaft coupling (52), the diameter of the first end of the conical hole (521) is smaller than that of the second end, an accommodating hole (522) is formed in the first end of the conical hole (521), and the nut (53) is located in the accommodating hole (522).
9. An exciter test fixture according to claim 1, wherein: the test shaft is characterized in that a test shaft flange plate (61) is arranged at the end part of the test shaft (6), a dummy shaft flange plate (54) is arranged at the second end of the dummy shaft (5), and the test shaft flange plate (61) is connected with the dummy shaft flange plate (54) through bolts and nuts.
10. An exciter test fixture according to claim 1, wherein: the bottom parts of the driving mechanism (2), the first support (3) and the second support (4) are respectively provided with a plurality of backing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222766089.5U CN218727850U (en) | 2022-10-18 | 2022-10-18 | Exciter test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222766089.5U CN218727850U (en) | 2022-10-18 | 2022-10-18 | Exciter test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218727850U true CN218727850U (en) | 2023-03-24 |
Family
ID=85587039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222766089.5U Active CN218727850U (en) | 2022-10-18 | 2022-10-18 | Exciter test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218727850U (en) |
-
2022
- 2022-10-18 CN CN202222766089.5U patent/CN218727850U/en active Active
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