CN220982256U - Solid rim plate rotation dynamic strain measurement system - Google Patents
Solid rim plate rotation dynamic strain measurement system Download PDFInfo
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- CN220982256U CN220982256U CN202322858754.8U CN202322858754U CN220982256U CN 220982256 U CN220982256 U CN 220982256U CN 202322858754 U CN202322858754 U CN 202322858754U CN 220982256 U CN220982256 U CN 220982256U
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- wheel disc
- solid wheel
- bed body
- rotor
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- 239000007787 solid Substances 0.000 title claims abstract description 34
- 238000005259 measurement Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000014392 establishment of spindle localization Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a solid wheel disc rotation dynamic strain measurement system which comprises a solid wheel disc, a high-temperature extension line, a switching disc, a mandrel, a flexible main shaft, a test bed body and a high-speed sliding ring system, wherein the solid wheel disc is arranged on the test bed body; the high-temperature extension line is fixed on the surface of the solid wheel disc; the switching disc is connected with the solid wheel disc; the high-temperature extension line enters a central hole of the mandrel from the lead hole through the adapter plate; the mandrel is connected with the flexible main shaft, the high-temperature extension line is connected with a rotor of the high-speed slip ring system through a flexible main shaft central hole of the flexible main shaft, the rotor is connected with a rotor bracket, and the rotor bracket is connected with the flexible main shaft; the rotors are connected through positioning holes of the rotary carbon brushes; the stator is connected with the stator bracket, and the stator bracket is connected with the test bed body; and a signal outgoing line of the stator is connected with the strain gauge. The utility model is simple and convenient, and skillfully utilizes the vent holes on the wheel disc to realize the dynamic stress test of the center and the edge of the solid wheel disc.
Description
Technical Field
The utility model belongs to the field of rotary machinery, and particularly relates to a solid wheel disc rotary dynamic strain measurement system.
Background
The design of a gas turbine is a complex system, and people often design the gas turbine by combining simulation and experiment, and test measurement is used for verifying the accuracy of simulation calculation and correcting the simulation calculation. The research is relatively deep for static measurement, but for dynamic measurement, the rotation of a measuring line and the dynamic transmission of signals are involved, so that the research difficulty is greatly increased. There are contact and non-contact for dynamic measurements. For non-contact, when the measuring channels are more, the number of modules is increased, so that the weight of the rotor is overweight, unknown conditions such as moment of inertia distortion or data integrity collection are formed on the rotor to be measured, the difficulty of analyzing the data of the subsequent experimental results is increased, and even the experimental failure is caused. In contrast, the contact type signal transmission mode by physical contact has true data, and is always the first choice for key testing or product identification. But physical contact is accompanied by wire connection, rotation of the ribbon wire, so how to design a rotational dynamic strain measurement routing scheme is highly necessary.
Disclosure of utility model
The utility model aims to provide a solid wheel disc rotation dynamic strain measurement system which has firm wiring and is suitable for a high-speed rotation state, and the problem of difficulty in strain measurement in the solid wheel disc rotation state is solved.
A solid wheel disc rotation dynamic strain measurement system comprises a solid wheel disc, a high-temperature extension line, a switching disc, a mandrel, a flexible main shaft, a test bed body and a high-speed sliding ring system; the high-temperature extension line is fixed on the surface of the solid wheel disc; the switching disc is connected with the solid wheel disc; the high-temperature extension line enters a central hole of the mandrel from the lead hole through the adapter plate; the mandrel is connected with the flexible main shaft, the high-temperature extension line is connected with a rotor of the high-speed slip ring system through a flexible main shaft central hole of the flexible main shaft, the rotor is connected with a rotor bracket, and the rotor bracket is connected with the flexible main shaft; the rotors are connected through positioning holes of the rotary carbon brushes; the stator is connected with the stator bracket, and the stator bracket is connected with the test bed body; and a signal outgoing line of the stator is connected with the strain gauge.
Further, the big end flange face of stator support includes the stator support and the test bench body coupling bolt hole of a plurality of equipartitions for with test bench body coupling, and be equipped with stator support and test bench body location tang for with the location of test bench body, the little end flange face still includes the stator support and the stator coupling bolt hole of a plurality of equipartitions for be connected with the stator, and be equipped with a stator support and stator location tang for with the stator location.
Further, the big end flange face of stator support includes the stator support and the test bench body coupling bolt hole of a plurality of equipartitions for with test bench body coupling, and be equipped with stator support and test bench body location tang for with the location of test bench body, the little end flange face still includes the stator support and the stator coupling bolt hole of a plurality of equipartitions for be connected with the stator, and be equipped with a stator support and stator location tang for with the stator location.
Further, the solid wheel disc is provided with vent holes; and the high-temperature extension line passes through the vent holes and enters the upper surface of the solid wheel disc.
The utility model has the beneficial effects that: the utility model is simple and convenient, and skillfully utilizes the vent holes on the wheel disc to realize the dynamic stress test of the center and the edge of the solid wheel disc.
Drawings
FIG. 1 is a diagram of the overall structure of the present utility model;
FIG. 2 is a diagram of a solid disk strain wiring diagram in accordance with the present utility model;
FIG. 3 is an enlarged view of the slip ring primer connection of the present utility model;
FIG. 4 is a block diagram of a stator frame according to the present utility model;
Fig. 5 is a structural view of a rotor frame of the present utility model.
In the figure: 1. solid wheel disk, 2, high temperature extension line, 3, vent, 4, adapter disk, 5, lead hole, 6, mandrel center hole, 7, mandrel, 8, flexible spindle, 9, flexible spindle center hole, 10, test stand body, 11, stator bracket, 12, rotor, 13, stator, 14, rotating carbon brush, 15, rotor bracket, 16, high speed slip ring system, 17, stator bracket and test stand body positioning spigot, 18, stator bracket and test stand body connecting bolt hole, 19, stator bracket and stator connecting bolt hole, 20, stator bracket and stator positioning spigot, 21, rotor bracket and rotor positioning spigot, 22, rotor bracket and rotor connecting bolt hole, 23, high temperature extension line storage room, 24, rotor bracket and flexible spindle positioning spigot, 25, rotor bracket and flexible spindle top wire hole.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, the solid wheel rotary dynamic strain measurement system comprises a solid wheel 1, a high-temperature extension line 2, a switching disc 4, a mandrel 7, a flexible main shaft 8, a test bed body 10 and a high-speed slip ring system 16. The strain gauge is adhered to the strain measuring point on the surface of the solid wheel disc 1, the strain gauge outgoing line is connected with the high-temperature extension line 2, the high-temperature extension line 2 is wrapped by a high-temperature alloy steel sheet along the wheel disc wall surface and welded and fixed on the surface of the solid wheel disc 1, the strain gauge enters the other surface of the solid wheel disc through the vent hole 3, enters the central hole 6 of the mandrel 7 through the lead hole 5 on the switching disc 4, is pulled to the outside through a steel wire, and seals the central hole 6 of the mandrel by sealing, solidifying and sealing the high-temperature adhesive for preventing the winding of a wire in the rotating process. And then the high-temperature extension line is pulled to the outside from the flexible main shaft center hole 9 of the flexible main shaft 8 through the steel wire, and the flexible main shaft center hole 9 is sealed, solidified and sealed by high-temperature glue. The high temperature extension is connected to the rotor 12 of the high speed slide ring system 16, the rotor 12 is connected to the rotor support 15, and the rotor support 15 is connected to the flexible main shaft 8 for rotation therewith. The rotor 12 is connected with a positioning hole of a rotating carbon brush 14 of the stator 13 by a positioning pin. The stator 13 is connected to the stator holder 11, and the stator holder is connected to the test stand body 10 so as to be stationary. The signal lead-out wire of the stator 13 is connected with a strain gauge, so as to finish the arrangement of the strain dynamic measurement scheme.
As shown in fig. 2, the adapter plate 4 further includes M lead holes 5, where M is a positive integer, for passing through the high-temperature extension line 2. Other compositions and connection modes are the same as those of the first embodiment. M has 2 values, the diameter of the lead hole is phi 8mm, the edge is blunted, and no sharp edge is allowed.
The mandrel 7 further comprises a through mandrel central hole 6 for the passage of the high temperature extension wire 2. Other compositions and connection modes are the same as those of the first embodiment. The diameter of the central hole 6 of the mandrel is phi 8mm, the edges are dulled, and sharp edges are not allowed.
The flexible spindle 8 further comprises a through flexible spindle central hole 9 for the passage of the high temperature extension wire 2. The diameter of the central hole 9 of the flexible main shaft is phi 8mm, the edges are dulled, and sharp edges are not allowed.
As shown in fig. 3, the stator 13 is provided with L threaded holes, and the small end of the stator 13 is positioned with the stator positioning spigot 20 and then connected with the flange surface of the small end of the stator bracket 11. Meanwhile, the stator 13 further includes a stator carbon brush 14 for connection with the rotor 12. L is 6M 6 screw holes, and is convenient to connect and detach.
The rotating carbon brush 14 is provided with a positioning hole for connecting with a positioning pin of the rotor 12 to ensure the coincidence of the axes.
The rotor 12 is provided with N threaded holes for connection with the rotor support 15, and is also provided with a positioning pin for connection with the positioning holes of the rotating carbon brush 14, so as to ensure axis coincidence. N is 4M 6 threaded holes.
As shown in fig. 4, the large end flange surface of the stator support 11 further includes O uniformly distributed stator support and test stand body connecting bolt holes 18 for connection with the test stand body 10. And is provided with a stator bracket and a test bed body positioning spigot 17 for positioning with the test bed body 10. The small end flange surface also comprises P stator support and stator connecting bolt holes 19 which are uniformly distributed and are used for being connected with the stator 13, and a stator support and stator positioning spigot 20 is arranged and used for being positioned with the stator 13. O is 4, the bolt hole diameter is M6, P is 6, and the bolt hole diameter is M6.
As shown in fig. 5, the large end flange surface of the rotor bracket 15 further includes Q uniformly distributed rotor brackets and flexible spindle top wire holes 25 for connection with the flexible spindle 8. And is provided with a rotor support and flexible spindle locating spigot 24 for locating with the flexible spindle 8. The small end flange surface also comprises X uniformly distributed rotor support and rotor connecting bolt holes 22 for connecting with the rotor 12, and is provided with a rotor support and rotor positioning spigot 21 for positioning with the rotor 12. Meanwhile, an elliptic high-temperature extension line storage chamber 23 is arranged, redundant high-temperature extension lines are plugged into the high-temperature extension line storage chamber 23, and the cotton is covered and stuffed, so that the redundant high-temperature extension lines rotate along with the flexible main shaft 8, and the test signal is prevented from being interrupted due to the fact that the redundant high-temperature extension lines are brushed out and damaged. Q is 4, the bolt hole diameter is M6, X is 4, and the bolt hole diameter is M6.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The solid wheel disc rotation dynamic strain measurement system is characterized by comprising a solid wheel disc (1), a high-temperature extension line (2), a switching disc (4), a mandrel (7), a flexible main shaft (8), a test bed body (10), a stator (13) and a high-speed sliding ring system (16); the high-temperature extension line (2) is fixed on the surface of the solid wheel disc (1); the switching disc (4) is connected with the solid wheel disc (1); the high-temperature extension line (2) enters a mandrel center hole (6) in the mandrel (7) from a lead hole (5) through a switching disc (4); the mandrel (7) is connected with the flexible main shaft (8), the high-temperature extension line (2) is connected with a rotor (12) of the high-speed slip ring system (16) through a flexible main shaft center hole (9) of the flexible main shaft (8), the rotor (12) is connected with a rotor bracket (15), and the rotor bracket (15) is connected with the flexible main shaft (8); the rotor (12) is connected through a positioning hole of the rotary carbon brush (14); the stator (13) is connected with the stator bracket (11), and the stator bracket (11) is connected with the test bed body (10); and a signal outgoing line of the stator (13) is connected with the strain gauge.
2. The solid wheel disc rotating dynamic strain measurement system according to claim 1, wherein the large end flange surface of the stator support (11) comprises a plurality of uniformly distributed stator support and test bed body connecting bolt holes (18) for being connected with the test bed body (10), and is provided with a stator support and test bed body positioning spigot (17) for being positioned with the test bed body (10), and the small end flange surface further comprises a plurality of uniformly distributed stator support and stator connecting bolt holes (19) for being connected with the stator (13), and is provided with a stator support and stator positioning spigot (20) for being positioned with the stator (13).
3. The solid wheel disc rotating dynamic strain measurement system according to claim 1, wherein the large end flange surface of the stator support (11) comprises a plurality of uniformly distributed stator support and test bed body connecting bolt holes (18) for being connected with the test bed body (10), and is provided with a stator support and test bed body positioning spigot (17) for being positioned with the test bed body (10), and the small end flange surface further comprises a plurality of uniformly distributed stator support and stator connecting bolt holes (19) for being connected with the stator (13), and is provided with a stator support and stator positioning spigot (20) for being positioned with the stator (13).
4. A solid wheel disc rotational dynamic strain measurement system according to claim 1, characterized in that the solid wheel disc (1) is provided with a vent (3); the high-temperature extension line (2) passes through the vent holes (3) and enters the upper surface of the solid wheel disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858754.8U CN220982256U (en) | 2023-10-24 | 2023-10-24 | Solid rim plate rotation dynamic strain measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858754.8U CN220982256U (en) | 2023-10-24 | 2023-10-24 | Solid rim plate rotation dynamic strain measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220982256U true CN220982256U (en) | 2024-05-17 |
Family
ID=91036171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322858754.8U Active CN220982256U (en) | 2023-10-24 | 2023-10-24 | Solid rim plate rotation dynamic strain measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220982256U (en) |
-
2023
- 2023-10-24 CN CN202322858754.8U patent/CN220982256U/en active Active
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