CN212159053U - Wireless intelligent detection system for stress of hydroelectric generating set - Google Patents
Wireless intelligent detection system for stress of hydroelectric generating set Download PDFInfo
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- CN212159053U CN212159053U CN202021029006.9U CN202021029006U CN212159053U CN 212159053 U CN212159053 U CN 212159053U CN 202021029006 U CN202021029006 U CN 202021029006U CN 212159053 U CN212159053 U CN 212159053U
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Abstract
The utility model belongs to the hydroelectric generating set field of overhauing. Namely a wireless intelligent detection system for the stress of the water turbine generator set. The stress detection device is used for detecting the stress of the elastic oil tank of the thrust bearing of the hydroelectric generating set. The wireless dial indicator for monitoring the compression value of the elastic oil tank of the thrust bearing is arranged corresponding to each elastic oil tank of the thrust bearing and is connected with the support, the wireless receiving rod is arranged near the thrust bearing and is connected with a computer, the computer special software directly displays the measuring result and the adjustment quantity, and the computer end can directly set each meter to be zero without manual operation. By adopting the system, the original work load of 8 persons for 4 hours can be reduced to 2 persons for 10 minutes, the error of manual meter reading is eliminated, the trouble of manual counting and recording is avoided, the frequent zero-adjustment meter work is avoided, the data is accurate, error-free, convenient and quick. The experiment shows that the effect is stable, the personnel investment can be reduced, the use is safe, the overhaul quality of the unit is improved, the construction period is shortened, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the hydroelectric generating set field of overhauing. Namely a wireless intelligent detection system for the stress of the water turbine generator set. The stress detection device is used for detecting the stress of the elastic oil tank of the thrust bearing of the hydroelectric generating set.
Background
In the prior art, the thrust bearing is required to be subjected to stress measurement and adjustment when a medium-large hydroelectric generating set is overhauled. The thrust bearing is the heart of hydroelectric generating set, is the key part of unit safety and stability operation, and thrust bearing's atress is detected and is adjusted to be the important weight of unit maintenance quality. The thrust bearing has 12 thrust bearing elastic oil tanks, and the mechanical percentage table is installed on each thrust bearing elastic oil tank before measurement, and the compression value of each thrust bearing elastic oil tank is detected through the lifting rotor, so that the maximum difference value and the minimum difference value are required to be within 0.20mm, and the safe and stable operation of the unit is influenced if the measurement is inaccurate or the number of meters is read incorrectly. The thrust bearing stress adjustment work has the problems that the number of tables is large, and the tables need to be repeatedly and frequently set, the values are zero, the numbers are recorded at the same time, and the like. Rotor jack-up time should not the overlength, causes equipment damage easily, needs to read the table record fast when rotor jack-up, needs 8 people simultaneous workings at least, and it is more to consume the manpower, and operating time is long, is unfavorable for unit maintenance work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the aforesaid not enough and provide a wireless intellectual detection system of hydroelectric set atress. The quality of unit maintenance is improved, the accuracy and the efficiency of data result are improved, it is too much to solve the manpower consumption, ensure unit equipment safety, provide the powerful guarantee for unit maintenance.
The utility model discloses technical solution is: a wireless intelligent detection system for stress of a hydroelectric generating set is characterized in that a wireless dial indicator for monitoring the compression value of each thrust bearing elastic oil tank is arranged corresponding to each thrust bearing elastic oil tank, the wireless dial indicators are connected with a support, a wireless receiving rod is arranged near each thrust bearing, and the wireless receiving rods are connected with a computer.
The support comprises an L-shaped supporting rod, the front end of the L-shaped supporting rod is connected with a wireless dial indicator, the rear end of the L-shaped supporting rod is sleeved on a cross shaft of the vertical supporting column, a locking button is arranged outside the cross shaft, and the vertical supporting column is provided with a base.
When the unit overhauls the thrust bearing atress and measures the adjustment, need not the manual work and see the table reading, only jack-up rotor oil pump operating personnel and computer operating personnel cooperation can, along with rotor jack-up or descending, the computer end can be with zero or reading numerical value of percentage table simultaneous value, the software shows the compression value and the maximum difference value of each thrust bearing elastic oil tank, can accurately judge rapidly whether the adjustment of thrust bearing elastic oil tank is qualified.
The utility model has the advantages that: the wireless intelligent detection system for the stress of the hydroelectric generating set can replace the traditional measurement, the original work load of 8 persons for 4 hours can be reduced to 2 persons for 10 minutes by adopting the system, the error of manual meter reading is eliminated, the trouble of manual counting and recording is avoided, the frequent zero-adjustment meter work is avoided, the data is accurate, error-free, convenient and fast. The experiment shows that the effect is stable, the personnel investment can be reduced, the use is safe, the overhaul quality of the unit is improved, the construction period is shortened, and the working efficiency is improved.
Drawings
Fig. 1 is a diagram of the utility model system.
FIG. 2 is a schematic view of a stent structure.
Detailed Description
Referring to fig. 1 and 2, the names of the components are as follows: the wireless dial indicator comprises a wireless dial indicator 1, a wireless receiving rod 2, a computer 3, a thrust bearing elastic oil tank 4, a support 5, an L-shaped support rod 6, a vertical support cross shaft 7, a locking button 8, a vertical support 9 and a base 10.
Referring to fig. 1, a wireless intelligent detection system for stress of a water turbine generator set is characterized in that twelve wireless dial indicators 1 for monitoring compression values of an elastic oil tank of a thrust bearing are arranged around the elastic oil tank 4 of the thrust bearing, the wireless dial indicators 1 are connected with a support 5, a wireless receiving rod 2 (within 5 meters from the thrust bearing) is arranged near the thrust bearing, and the wireless receiving rod 2 is connected with a computer 3. The computer 3 is a notebook computer. The wireless dial indicator 1, the wireless receiving rod 2 and the computer 3 realize wireless data transmission.
The support 5 (be used for fixed wireless percentage table 1) include an L type branch 6 (round bar or square bar), wireless percentage table 1 is connected to the front end of L type branch 6, 6 rear end muff couplings of L type branch are on founding pillar cross axle 7 (rotatable, adjustment swing angle), cross axle 7 has locking button 8 outward, founds pillar 9 and has base 10.
The selected wireless dial indicator 1 is a German Mark Mshr digital display dial indicator 1086Ri 0-12.5 mm. Comprising: the device can be remotely set to zero, data are transmitted by wireless Bluetooth, the measurement precision is 0.01mm, and the performance is stable. The operations of zero manual value, meter reading and the like are not needed, and the process is simple and quick. The selected wireless receiving rod 2 (O6R 2021) can receive the Bluetooth signal of the wireless dial indicator 1 and has a bidirectional transmission function. The wireless receiving rod 2 can be directly connected with a computer (within five meters from the thrust bearing) or connected with the computer through a data line (more than 5 meters from the thrust bearing). The computer 3 can realize the simultaneous reading and zero value operation of twelve dial indicators, and the stress result is obtained instantly, and the data is accurate. The stress result of the thrust bearing elastic oil tank 4 is displayed at the computer end, and reliable basis is provided for the staff to judge the adjustment quality and the adjustment quantity.
And a signal processing process: the computer 3 opens the special software, confirm to be connected with the wireless dial indicator 1, press the "zero" key on the computer 3, the computer 3 transmits the signal to 12 wireless dial indicators 1 through the wireless receiving rod 3, the wireless dial indicator 1 executes the "zero" setting, when the measurement is finished and needs the reading, press the reading key on the computer 3, twelve wireless dial indicators 1 obtain the reading command and immediately transmit the data on the indicator to the wireless receiving rod 2 to the computer 3, the special software in the computer 3 analyzes the numerical value of twelve indicators, and simultaneously obtains the results of the compression value, the difference value, the adjustment quantity of each thrust bearing elastic oil tank and the like of the thrust bearing elastic oil tank 4. The computer dedicated software directly displays the measurement result and the adjustment quantity, and the computer end can directly set each meter to zero without manual operation.
The working process is as follows: the method comprises the steps of starting up a notebook computer, starting up special software, placing the software near a thrust bearing (within 5 meters), installing a receiving rod on a USB interface of the computer, sequentially installing 12 wireless dial indicators at measuring points of 12 thrust bearing elastic oil tanks, confirming the connection condition of the 12 dial indicators on the computer, sending a zero setting command by the computer under the condition that the thrust bearing elastic oil tanks have no load, displaying 0 by each dial indicator, informing an oil pump operator of a top rotor to drop the rotor by using an interphone, pressing a reading key at the computer end when the rotor drops in place, inputting the compression value reading of the 12 wireless dial indicators into the software, immediately obtaining each compression value and difference value of the thrust bearing elastic oil tanks and the adjustment value of each thrust bearing elastic oil tank by the software, and providing reliable data for the stress adjustment of the thrust bearing.
Professional software functions: the software can set one key of the wireless dial indicator to zero, can collect 12 dial indicator measurement data at the same time, can analyze the collected data and obtain the compression value of each thrust bearing elastic oil tank, the compression difference value between each thrust bearing elastic oil tank, the unqualified thrust bearing elastic oil tank adjustment value and other results at the same time, and provides reliable data for the unit maintenance.
The above description is only exemplary of the present invention, and the various illustrations do not limit the essence of the present invention.
Claims (2)
1. Wireless intelligent detection system of hydroelectric set atress, its characterized in that corresponds every thrust bearing elastic oil tank (4) and sets up wireless percentage table (1) of monitoring thrust bearing elastic oil tank compression value, and wireless percentage table (1) is connected with support (5), sets up near thrust bearing wireless receiving stick (2), and wireless receiving stick (2) are connected with computer (3).
2. The wireless intelligent detection system for the stress of the water turbine generator set according to claim 1, wherein the support (5) comprises an L-shaped support rod (6), the front end of the L-shaped support rod (6) is connected with the wireless dial indicator (1), the rear end of the L-shaped support rod (6) is sleeved on a vertical support column transverse shaft (7), a locking button (8) is arranged outside the transverse shaft (7), and a base (10) is arranged on the vertical support column (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021029006.9U CN212159053U (en) | 2020-06-08 | 2020-06-08 | Wireless intelligent detection system for stress of hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021029006.9U CN212159053U (en) | 2020-06-08 | 2020-06-08 | Wireless intelligent detection system for stress of hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212159053U true CN212159053U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021029006.9U Active CN212159053U (en) | 2020-06-08 | 2020-06-08 | Wireless intelligent detection system for stress of hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212159053U (en) |
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2020
- 2020-06-08 CN CN202021029006.9U patent/CN212159053U/en active Active
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