CN210198614U - Hydroelectric set thrust tile atress monitoring system - Google Patents
Hydroelectric set thrust tile atress monitoring system Download PDFInfo
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- CN210198614U CN210198614U CN201921064048.3U CN201921064048U CN210198614U CN 210198614 U CN210198614 U CN 210198614U CN 201921064048 U CN201921064048 U CN 201921064048U CN 210198614 U CN210198614 U CN 210198614U
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Abstract
The utility model discloses a hydroelectric set thrust tile stress monitoring system in the technical field of hydroelectric generating set, which comprises a frame and a thrust tile, wherein a sleeve support is fixed on the frame through a fastening bolt, a support column is inserted in the sleeve support column, a screw hole is arranged between the lower part of the thrust tile and the support column, a metal block is arranged at the bottom of an axle center through hole of the sleeve support column, the metal block is fixedly connected between the frame and the support column, an adjusting bolt is arranged at the bottom of the support column, a fixing sleeve is arranged at the bottom of the frame, the bottom end of the adjusting bolt extends to the inner part of the fixing sleeve, a displacement sensor is arranged at the bottom of an inner cavity of the fixing sleeve through the adjusting bolt, the displacement sensor is sequentially electrically connected with a control device and a computer through a data line, the detection precision of the displacement sensor is improved, reminding the staff in time to maintain, it is convenient to thrust tile balance adjustment.
Description
Technical Field
The utility model relates to a hydroelectric set technical field specifically is a hydroelectric set thrust tile atress monitoring system.
Background
The thrust pad of the hydraulic generator is a key part for bearing the weight of the rotating part of the hydraulic generator and the water thrust, plays an important role in the hydraulic generator set and is called as the heart of the vertical hydraulic generator. At present, in the installation of a hydraulic generator, the existing supporting structure of the thrust pad mainly comprises a sleeve support fixedly arranged on a lower rack, a strut bolt is arranged in the sleeve support, the thrust pad is supported by the strut bolt, and the required height and space are adjusted by adjusting the strut bolt. In order to reduce the deformation of the bearing bush and avoid the stress concentration in the middle of the bearing bush, a tray is additionally arranged below the thrust bush in a part of supporting structures.
In the prior art, for example, a supporting structure of a thrust bearing of Chinese application No. CN200920160946.9 is provided with a displacement sensor and a measuring rod in a through hole of an axle center of a strut bolt, and all axial forces of the unit are applied to the strut bolt through the thrust shoe, so that the part above the thread of the strut bolt generates compressive deformation and drives the measuring rod to move downwards, and a displacement signal is provided for the displacement sensor, and the defects that the strut bolt is of a rigid structure, and the strut bolt is easily compressed and deformed to be shortened in the long-term monitoring process, thereby influencing the detection precision of the displacement sensor, the support bolt is required to be frequently replaced, the alarm function is not provided, and the staff cannot be timely reminded of maintaining.
Based on this, the utility model designs a hydroelectric set thrust tile atress monitoring system to solve the above-mentioned problem of mentioning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydroelectric set thrust tile atress monitoring system improves displacement sensor's detection precision, avoids frequent change, and the alarm is reported to the police, in time reminds the staff to maintain, and it is convenient to thrust tile balance adjustment to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydroelectric set thrust tile atress monitoring system, includes frame and thrust tile, be fixed with the sleeve support through fastening bolt in the frame, the inside of sleeve support is pegged graft and is had the pillar, be equipped with the screw between the below of thrust tile and the pillar, the axle center through-hole bottom that is located the sleeve support is equipped with the metal block, metal block fixed connection is between frame and pillar, the bottom of pillar is equipped with adjusting bolt, fixed cover is installed to the bottom of frame, adjusting bolt's bottom extends to the inside of fixed cover, displacement sensor is installed through adjusting nut in the inner chamber bottom of fixed cover, displacement sensor passes through the data line and is connected with controlling means and computer electric property in proper order.
Preferably, the bottom center of the pillar is provided with a screw hole, the adjusting bolt penetrates through the inside of the metal block, and the top end of the adjusting bolt is screwed in the screw hole.
Preferably, the outer wall of the frame is provided with a through hole below the axle center through hole of the sleeve support, and the bottom end of the adjusting bolt penetrates through the bottom of the through hole.
Preferably, the metal block is a memory metal block and is made of a nickel-titanium alloy material.
Preferably, the inside of fixed cover is opened has the adjusting bolt hole, adjusting nut spiro union in the inside of adjusting bolt hole.
Preferably, the control device comprises a controller, and a signal amplifier, an A/D converter and an alarm which are connected with the controller.
Preferably, the data line is an RS232 data line.
Preferably, the axle center through hole, the pillar, the screw hole, the adjusting bolt and the adjusting nut of the sleeve support are positioned on the same axis.
Compared with the prior art, the beneficial effects of the utility model are that: this hydroelectric set thrust tile atress monitoring system, through in the axle center through-hole at the pillar and between the frame installation metal block, memory function has, improve displacement sensor's detection precision, avoid frequent change, long service life, and through the controller, signal amplifier, AD converter and alarm can handle the data of displacement sensor monitoring, and report to the police through the alarm, in time remind the staff to maintain, and the data that can monitor carries out the balance adjustment through the pillar to the thrust tile, the degree of difficulty of thrust tile adjustment has been reduced, the accuracy of thrust tile atress has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of part a of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a frame; 2. a thrust pad; 3. a sleeve support; 4. fastening a bolt; 5. a tray; 6. a pillar; 7. A metal block; 8. adjusting the bolt; 9. fixing a sleeve; 10. a screw hole; 11. a through hole; 12. a displacement sensor; 13. adjusting the bolt hole; 14. adjusting the nut; 15. a data line; 16. a control device; 17. a computer; 18. a controller; 19. a signal amplifier; 20. an A/D converter; 21. an alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a hydroelectric set thrust tile atress monitoring system, includes frame 1 and thrust tile 2, be fixed with sleeve support 3 through fastening bolt 4 in the frame 1, the inside of sleeve support 3 is pegged graft and is had pillar 6, be equipped with screw 10 between the below of thrust tile 2 and the pillar 6, the axle center through-hole bottom that is located sleeve support 3 is equipped with metal block 7, metal block 7 fixed connection is between frame 1 and pillar 6, the bottom of pillar 6 is equipped with adjusting bolt 8, fixed cover 9 is installed to the bottom of frame 1, adjusting bolt 8's bottom extends to the inside of fixed cover 9, displacement sensor 12 is installed through adjusting nut 14 in the inner chamber bottom of fixed cover 9, displacement sensor 12 passes through data line 15 and in proper order with controlling means 16 and computer 17 electric connection
Wherein, the bottom center department of pillar 6 opens has screw 10, adjusting bolt 8 runs through in the inside of metal block 7, and adjusting bolt 8's top spiro union in the inside of screw 10, metal block 7 is the memory metal piece, adopts the nickel titanium alloy material, has the memory function, under the compressed condition, can resume to original shape, under metal block 7's effect, can enough play the transmission effect of power, can provide the space that pillar 6 reciprocated again, make adjusting bolt 8 reciprocate from the area, then detect adjusting bolt 8's displacement signal through displacement sensor 12.
The outer wall of the frame 1 is provided with a through hole 11 below the axis through hole of the sleeve support 3, and the bottom end of the adjusting bolt 8 penetrates through the bottom of the through hole 11, so that the adjusting bolt 8 can move in the through hole 11.
Wherein, the inside of fixed cover 9 is opened there is adjusting bolt hole 13, adjusting nut 14 spiro union is in adjusting bolt hole 13's inside, through adjusting bolt 14 position in adjusting bolt hole 13, can carry out the altitude mixture control to the adjusting bolt 8 that is located displacement sensor 12 top to make thrust tile 2 atress even, the degree of difficulty of the adjustment of thrust tile 2 atress has been reduced in this kind of design, the accuracy of thrust tile 2 atress has been improved, can effectively monitor the thrust tile 2 atress condition when the unit moves simultaneously, operating stability and life-span are improved greatly.
The controller 16 comprises a controller 18, a signal amplifier 19 connected with the controller 18, an A/D converter 20 and an alarm 21, the controller 18 adopts an ARM chip, an output signal is generated through the displacement sensor 12, transmitted to the signal amplifier 19 for signal amplification and then transmitted to the A/D converter 20 for digital-to-analog conversion, the controller 18 receives the amplified analog signal and performs analog-to-digital conversion to form a digital signal, the digital signal is processed through the controller 18, if the preset value is exceeded, the alarm 21 is controlled through a relay to alarm, data can be uploaded to a computer 17, and monitoring data can be monitored, sorted and displayed through the computer 17.
The data line 15 is an RS232 data line. The axial center through hole of the sleeve support 3, the support 6, the screw hole 10, the adjusting bolt 8 and the adjusting nut 14 are positioned on the same axis.
The specific working principle is as follows: this hydroelectric set thrust tile atress monitoring system, through set up pillar 6 in sleeve support 3, and install metal block 7 between pillar 6 and frame 1, metal block 7 is the memory metal block, adopt nickel titanium alloy material, the memory function has, under the compressed condition, can resume to original shape, under metal block 7's effect, can enough play the transmission effect of power, can provide the space that pillar 6 reciprocated again, make adjusting bolt 8 reciprocate from the area, avoid prior art to warp through pillar bolt atress, and cause the pillar bolt to be compressed deformation and shorten, thereby influence displacement sensor's detection precision, adopt metal block 7 to avoid frequent change, long service life. The displacement signal of the adjusting screw 8 is then detected by the displacement sensor 12. Then the signal is processed by a controller 18, a signal amplifier 19, an A/D converter 20 and an alarm 21 in a control device 16, an output signal is generated by a displacement sensor 12, the output signal is transmitted to the signal amplifier 19 for signal amplification and then transmitted to the A/D converter 20 for digital-to-analog conversion, the amplified analog signal is received by the controller 18 for analog-to-digital conversion to form a digital signal, the digital signal is processed by the controller 18, if the output signal exceeds a preset value, the alarm 21 is controlled by a relay for alarm, the data can be uploaded to a computer 17, and the monitoring data can be monitored, sorted and displayed by the computer 17. Through the data of computer 17 monitoring, adjust nut 14 to fixed cover 9 below is rotatory, carries out the altitude mixture control through displacement sensor 2, adjusting bolt 8 and metal block 7 to pillar 6 to make each thrust tile atress reach the equilibrium, the degree of difficulty of thrust tile adjustment has been reduced, the accuracy of thrust tile atress has been improved to this kind of design.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a hydroelectric set thrust tile atress monitoring system, includes frame (1) and thrust tile (2), its characterized in that: a sleeve support (3) is fixed on the frame (1) through a fastening bolt (4), a support post (6) is inserted in the sleeve support (3), a screw hole (10) is arranged between the lower part of the thrust tile (2) and the support post (6), a metal block (7) is arranged at the bottom of the axle center through hole of the sleeve support (3), the metal block (7) is fixedly connected between the frame (1) and the support column (6), the bottom of the support post (6) is provided with an adjusting bolt (8), the bottom of the frame (1) is provided with a fixed sleeve (9), the bottom end of the adjusting bolt (8) extends to the inside of the fixed sleeve (9), the bottom of the inner cavity of the fixed sleeve (9) is provided with a displacement sensor (12) through an adjusting nut (14), the displacement sensor (12) is electrically connected with the control device (16) and the computer (17) in sequence through a data line (15).
2. The thrust pad stress monitoring system of the hydroelectric generating set according to claim 1, wherein: the bottom center department of pillar (6) opens has screw (10), adjusting bolt (8) run through in the inside of metal block (7), and the top spiro union of adjusting bolt (8) is in the inside of screw (10).
3. The thrust pad stress monitoring system of the hydroelectric generating set according to claim 1, wherein: the outer wall of the frame (1) is provided with a through hole (11) below the axle center through hole of the sleeve support (3), and the bottom end of the adjusting bolt (8) penetrates through the bottom of the through hole (11).
4. The thrust pad stress monitoring system of the hydroelectric generating set according to claim 1, wherein: the metal block (7) is a memory metal block and is made of a nickel-titanium alloy material.
5. The thrust pad stress monitoring system of the hydroelectric generating set according to claim 1, wherein: the inside of fixed cover (9) is opened has adjusting bolt hole (13), adjusting nut (14) spiro union in adjusting bolt hole's (13) inside.
6. The thrust pad stress monitoring system of the hydroelectric generating set according to claim 4, wherein: the control device (16) comprises a controller (18), and a signal amplifier (19), an A/D converter (20) and an alarm (21) which are connected with the controller (18).
7. The thrust pad stress monitoring system of the hydroelectric generating set according to claim 1, wherein: and the data line (15) adopts an RS232 data line.
8. The thrust pad stress monitoring system of the hydroelectric generating set according to claim 1, wherein: the axis through hole, the support column (6), the screw hole (10), the adjusting bolt (8) and the adjusting nut (14) of the sleeve support (3) are positioned on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064048.3U CN210198614U (en) | 2019-07-09 | 2019-07-09 | Hydroelectric set thrust tile atress monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064048.3U CN210198614U (en) | 2019-07-09 | 2019-07-09 | Hydroelectric set thrust tile atress monitoring system |
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| Publication Number | Publication Date |
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| CN210198614U true CN210198614U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921064048.3U Active CN210198614U (en) | 2019-07-09 | 2019-07-09 | Hydroelectric set thrust tile atress monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294277A (en) * | 2021-04-27 | 2021-08-24 | 湖南省水利投地方电力有限公司 | Detection device and detection method for axial displacement of hydroelectric generating set |
| CN114017238A (en) * | 2021-11-09 | 2022-02-08 | 湖南远程电子有限公司 | Hydroelectric generating set, thrust pad adjusting method thereof, load monitoring method and system |
-
2019
- 2019-07-09 CN CN201921064048.3U patent/CN210198614U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294277A (en) * | 2021-04-27 | 2021-08-24 | 湖南省水利投地方电力有限公司 | Detection device and detection method for axial displacement of hydroelectric generating set |
| CN114017238A (en) * | 2021-11-09 | 2022-02-08 | 湖南远程电子有限公司 | Hydroelectric generating set, thrust pad adjusting method thereof, load monitoring method and system |
| CN114017238B (en) * | 2021-11-09 | 2023-07-25 | 湖南远程电子有限公司 | Hydroelectric generating set, thrust tile adjusting method thereof, load monitoring method and load monitoring system |
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