CN217560953U - Turbine performance test temperature measurement element fixing device - Google Patents
Turbine performance test temperature measurement element fixing device Download PDFInfo
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- CN217560953U CN217560953U CN202220415874.3U CN202220415874U CN217560953U CN 217560953 U CN217560953 U CN 217560953U CN 202220415874 U CN202220415874 U CN 202220415874U CN 217560953 U CN217560953 U CN 217560953U
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Abstract
The utility model relates to a steam turbine performance test temperature element fixing device, including temperature element and temperature transmitter, and be used for temperature element male temperature measurement station sleeve pipe, temperature measurement station sleeve pipe one end opening one end is sealed, and the blind end inserts to the fluid pipeline in, temperature element and temperature transmitter pass through the connecting wire and connect, fixing device still includes the sleeve pipe, thermal-insulated gasket, the down tube, omnipotent knuckle and horizontal pole, the one end and the omnipotent knuckle of down tube are connected, the other end is connected to the sleeve pipe, the one end of horizontal pole is connected to omnipotent knuckle and connects, be equipped with the magnetism seat on the other end, thermal-insulated gasket arranges the cover intraductally and is located between sleeve pipe and the temperature element. Compared with the prior art, the utility model discloses can effectually realize the in close contact with of temperature element and measurement station, the device can not receive the influence of measurement station position with the firm, stable measuring point temperature sleeve that inserts of temperature element, avoided because measuring point sleeve direction or temperature element dead weight are to the influence of contact.
Description
Technical Field
The utility model belongs to the technical field of the experimental temperature measurement of steam turbine performance and specifically relates to a steam turbine performance test temperature measurement element fixing device is related to.
Background
The performance test of the steam turbine is one of important and conventional tests of a power station unit, and can effectively evaluate the current performance and state of the steam turbine. Performance tests are carried out before maintenance to find out some problems of the steam turbine, so that maintenance treatment is facilitated; and after the maintenance, performance test is carried out to evaluate the maintenance effect.
The performance test of the steam turbine mainly needs related temperature and pressure parameters in the operation of the unit, and the accuracy of the parameters has a crucial influence on the test result. For pressure measurement, a pressure transmitter is used and fixed on a pressure measuring point through a nut, and when the precision level of the pressure transmitter reaches the standard and factors such as height difference are taken into consideration, the arrangement, the position and the like of the measuring point have little influence on the measurement of the pressure transmitter. For the measurement of a temperature point, a thermocouple or a thermal resistor is needed, a temperature sleeve of the measurement point is often thicker than a temperature measuring element, and the temperature measuring element is also connected with a temperature transmitter, so that after the temperature measuring element is inserted into the temperature sleeve, the temperature measuring element falls off or is not in good contact with the temperature sleeve due to factors such as the direction of the temperature sleeve, the self weight of the temperature measuring element and the temperature transmitter, and the temperature measuring result is inaccurate. When the position of the measuring point is too high, the temperature transmitter can only be placed on the pipeline or the supporting and hanging frame, and the temperature of some pipelines is higher, so that the components of the temperature transmitter are damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a turbine performance test temperature element fixing device, can effectually realize the in close contact with of temperature element and measurement station, the device can not receive the influence of measurement station position with the firm, stable measuring point temperature sleeve that inserts of temperature element, avoided because measuring point sleeve direction or temperature element dead weight are to the influence of contact.
The purpose of the utility model can be realized by the following technical proposal:
a temperature measuring element fixing device for a steam turbine performance test comprises a temperature measuring element, a temperature transmitter and a temperature measuring point sleeve for inserting the temperature measuring element, wherein one end of the temperature measuring point sleeve is open and the other end of the temperature measuring point sleeve is closed, the closed end of the temperature measuring point sleeve is inserted into a fluid pipeline, the temperature measuring element is connected with the temperature transmitter through a connecting line, the fixing device further comprises a sleeve, a heat insulation gasket, an inclined rod, a universal steering knuckle and a cross rod, one end of the inclined rod is connected with the universal steering knuckle, the other end of the inclined rod is connected to the sleeve, one end of the cross rod is connected to the universal steering knuckle, a magnetic seat is arranged at the other end of the cross rod, and the heat insulation gasket is arranged in the sleeve and located between the sleeve and the temperature measuring element.
The diagonal rod and the cross rod are telescopic rods.
The diagonal rod is connected to the outer wall of the sleeve.
The fixing device further comprises a connecting rod tray used for placing the temperature transmitter, and the connecting rod tray is connected to the sleeve through a hanging pin.
And a balancing weight is arranged on the connecting rod tray.
The magnet in the magnetic base is a permanent magnet.
The down tube is a telescopic rod, and the down tube is rotatably connected with the sleeve.
And a locking piece is arranged on the universal steering knuckle.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the device can be used for firmly and stably inserting the temperature measuring element into the measuring point temperature sleeve without being influenced by the position of the measuring point, and the influence of the direction of the measuring point sleeve or the self weight of the temperature measuring element on the contact is avoided.
2. The diagonal rod and the cross rod are telescopic rods, so that the fixing stability can be improved.
3. The connecting rod tray can place temperature transmitter in safe department, avoids high temperature to its damage.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. the device comprises a fluid pipeline, 2 temperature measuring point sleeves, 3 temperature measuring elements, 4 sleeves, 5 heat insulation gaskets, 6 connecting wires, 7 temperature transmitters, 8 connecting rod trays, 9 inclined rods, 10 universal steering knuckles, 11 cross rods, 12 magnetic seats, 13 and hanging pins.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment of the present invention is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A temperature measuring element fixing device for a steam turbine performance test comprises a temperature measuring element 3, a temperature transmitter 7 and a temperature measuring point sleeve 2 used for inserting the temperature measuring element 3, wherein one end of an opening of one end of the temperature measuring point sleeve 2 is closed, the closed end of the temperature measuring point sleeve 2 is inserted into a fluid pipeline 1, the temperature measuring element 3 is connected with the temperature transmitter 7 through a connecting line 6, the fixing device further comprises a sleeve 4, a heat insulation gasket 5, an inclined rod 9, a universal steering knuckle 10 and a cross rod 11, one end of the inclined rod 9 is connected with the universal steering knuckle 10, the other end of the inclined rod 9 is connected to the sleeve 4, one end of the cross rod 11 is connected to the universal steering knuckle 10, a magnetic seat 12 is arranged at the other end of the cross rod 11, and the heat insulation gasket 5 is arranged in the sleeve 4 and located between the sleeve 4 and the temperature measuring element 3.
The temperature measuring point sleeve 2 is vertically inserted into the fluid pipeline 1, gas or liquid flows through the fluid pipeline 1, a measuring hole is reserved in the side wall to arrange the temperature measuring point sleeve 2, and the temperature measuring element 3 is not in direct contact with the fluid due to the temperature measuring point sleeve 2.
The temperature measuring element 3, which may be a thermocouple or a thermal resistor, is fixed by the sleeve 4 and insulated from the high temperature transfer from the temperature measuring element 3 to the sleeve 4 by the heat insulating spacer 5.
In the embodiment, the inclined rod 9 and the cross rod 11 are telescopic rods, wherein the cross rod 11 is arranged in parallel with the temperature measuring element 3, when the distance between the magnetic seat 12 and the temperature measuring point sleeve 2 needs to be adjusted in order to realize firm fixation, the universal steering knuckle 10 does not need to be rotated by adjusting the inclined rod 9 and the cross rod 11, and thus the universal steering knuckle 10 can be always kept at an optimal angle.
In some other embodiments, only the slant rod 9 may be a telescopic rod, or both the slant rod 9 and the cross rod 11 may be telescopic rods, and the slant rod 9 is rotatably connected to the sleeve 4, so that the adjustment may be more convenient.
In this embodiment, the diagonal rods 9 are connected to the outer wall of the casing 4.
In this embodiment, fixing device is still including the connecting rod tray 8 that is used for placing temperature transmitter 7, connecting rod tray 8 is connected on sleeve pipe 4 through hanging round pin 13, connecting rod tray 8 can be rotatory around hanging round pin 13, and hang naturally under the action of gravity, in some embodiments, be equipped with the balancing weight on the connecting rod tray 8, this balancing weight is for the position of placing temperature transmitter 7, be located the both sides of the barycenter of connecting rod tray 8, thereby avoid the moment of gravity because of temperature transmitter 7 produces, cause connecting rod tray 8 to incline, thereby can improve the stability that temperature transmitter 7 placed.
In this embodiment, the magnet in the magnetic base 12 is a permanent magnet, and the magnetic force can be adjusted properly to avoid too large or too small, so that the design of the device can be simplified, and the device can be detached from the outer side wall of the fluid pipeline 1 only by applying a small force during detachment.
In this embodiment, the universal knuckle 10 is provided with a locking member to facilitate angle fixing.
In use, the process of this embodiment is as follows:
1) Fixing the temperature measuring element 3 in a sleeve 4 with a heat insulation gasket 5;
2) Inserting a temperature measuring element 3 into a measuring point temperature sleeve 2 on a fluid pipeline 1;
3) Fixing the magnetic seat 12 on the fluid pipeline 1;
4) Adjusting and fastening the telescopic cross bar 11;
5) Adjusting and locking the telescopic diagonal rod 9;
6) Locking the universal steering knuckle 10 according to the reasonable measuring position of the temperature measuring element 3, and fixing the angle;
7) The connecting rod tray which can freely rotate around the hanging pin 13 naturally sags under the action of gravity;
8) A temperature transmitter 7 connected with the temperature measuring element 3 through a connecting wire 6 is placed on the connecting rod tray;
9) And after the work to be tested is finished, withdrawing each temperature measuring device and each fixing device.
Claims (8)
1. The fixing device is characterized by further comprising a sleeve (4), a heat insulation gasket (5), an inclined rod (9), a universal steering knuckle (10) and a cross rod (11), wherein one end of the inclined rod (9) is connected with the universal steering knuckle (10), the other end of the inclined rod (9) is connected with the sleeve (4), one end of the cross rod (11) is connected with the universal steering knuckle (10), the other end of the cross rod (11) is connected with the sleeve (4), a magnetic seat (12) is arranged at the other end of the cross rod, and the heat insulation gasket (5) is arranged in the sleeve (4) and located between the sleeve (4) and the temperature measuring element (3).
2. The turbine performance test temperature measuring element fixing device according to claim 1, wherein the inclined rod (9) and the cross rod (11) are telescopic rods.
3. The turbine performance test temperature measuring element fixing device according to claim 1, wherein the inclined rod (9) is connected to the outer wall of the casing (4).
4. The turbine performance test temperature measurement element fixing device according to claim 1, characterized in that the fixing device further comprises a connecting rod tray (8) for placing the temperature transmitter (7), and the connecting rod tray (8) is connected to the sleeve (4) through a hanging pin (13).
5. The turbine performance test temperature measuring element fixing device according to claim 4, wherein a balancing weight is arranged on the connecting rod tray (8).
6. The turbine performance test temperature measurement element fixing device according to claim 1, wherein the magnet in the magnetic base (12) is a permanent magnet.
7. The device for fixing the temperature measuring element for the steam turbine performance test according to claim 1, wherein the inclined rod (9) is a telescopic rod, and the inclined rod (9) is rotatably connected with the sleeve (4).
8. The turbine performance test temperature measuring element fixing device according to claim 1, wherein the universal steering knuckle (10) is provided with a locking piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415874.3U CN217560953U (en) | 2022-02-28 | 2022-02-28 | Turbine performance test temperature measurement element fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415874.3U CN217560953U (en) | 2022-02-28 | 2022-02-28 | Turbine performance test temperature measurement element fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217560953U true CN217560953U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220415874.3U Active CN217560953U (en) | 2022-02-28 | 2022-02-28 | Turbine performance test temperature measurement element fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217560953U (en) |
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2022
- 2022-02-28 CN CN202220415874.3U patent/CN217560953U/en active Active
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