CN212903000U - Vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device - Google Patents

Vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device Download PDF

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Publication number
CN212903000U
CN212903000U CN202022093619.5U CN202022093619U CN212903000U CN 212903000 U CN212903000 U CN 212903000U CN 202022093619 U CN202022093619 U CN 202022093619U CN 212903000 U CN212903000 U CN 212903000U
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air gap
vertical hydraulic
hydraulic generator
generator rotor
gap monitoring
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CN202022093619.5U
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Chinese (zh)
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郑伟
冯晓双
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Wujiangdu Hydropower Station
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Wujiangdu Hydropower Station
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Abstract

The utility model discloses a vertical hydraulic generator rotor hoisting air gap monitoring alarm device, which comprises a plugboard, wherein the plugboard is in a strip shape, a plurality of sensors are uniformly distributed on the plugboard, and the sensors are connected to an alarm; the sensor is wirelessly connected with the alarm; the plug board is arranged on the side edge of the plug board, a gear is arranged in the fixing seat, and the gear is meshed with the gear; the utility model discloses reduce the human input, reduced safe risk, avoided the violation of personnel's work under the jack-up operation, and can use the rotor hoist and mount of multiple specification.

Description

Vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device
Technical Field
The utility model belongs to the technical field of vertical hydraulic generator rotor hoist and mount and specifically relates to a vertical hydraulic generator rotor hoist and mount air clearance monitoring alarm device.
Background
In the existing rotor hoisting process, because the air gap between the rotor and the stator is very small (generally, the air gap is within 30 mm), in order to prevent the rotor and the stator from colliding in the rotor hoisting process, the insulation between the rotor and the stator is damaged. The method is characterized in that in the process of rotor hoisting, a person surrounds a rotor station at the upper end part of a stator shell and is separated from a magnetic pole station by one person, an inserting plate (the thickness of the inserting plate is about 10mm, the length of the inserting plate is equal to the length of a rotor) is inserted into an air gap between the stator and the rotor, in the process of rotor hoisting, the inserting plate is moved up and down to check whether the rotor and the stator are jammed, when the inserting plate is jammed, the rotor hoisting is stopped, and then the position of the rotor is adjusted according to the jammed direction of the inserting plate and the size of the air gap, so that the rotor and the stator are hoisted after being concentric. The problems of the technology are as follows: the potential safety hazard of falling from a high place exists in the high-place operation; in the process of hoisting the rotor, a person stands below the hoisting equipment, and the regulation that the worker cannot stay under the hoisting operation is violated; a person stands at the upper end part of the stator, and the stator bar is easy to trample due to work consciousness of the person and the like, so that the stator bar is damaged.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract of the specification and the title of the application may be somewhat simplified or omitted to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplification or omission may not be used to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
Therefore, the utility model aims to solve the technical problem that whether the rotor and the stator are stuck or not is checked by the manual operation picture peg among the prior art, and the potential safety hazard that the eminence falls exists in the eminence operation of people.
In order to solve the technical problem, the utility model provides a following technical scheme: a monitoring and alarming device for air gaps in the hoisting of a rotor of a vertical hydraulic generator comprises a plug board, wherein the plug board is in a long strip shape, a plurality of sensors are uniformly distributed on the plug board, and the sensors are connected to an alarm; the sensor is wirelessly connected with the alarm.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: still include the fixing base, the fixing base is provided with square groove, the picture peg passes square groove.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: a rack is arranged on one side edge of the insertion plate, a gear is installed in the fixing seat, and the gear is meshed and connected with the rack.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: the fixing base is provided with a rotating hole, the gear is provided with a rotating shaft, and the rotating shaft is located in the rotating hole.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: the rotation axis is including being located the extension end outside the rotation hole, the extension end is connected with rotatory dog.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: the extension end is square column, the extension end is sleeved with a fixing piece, the fixing piece is provided with a square hole, and the extension end penetrates through the square hole.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: one end face of the fixed plate is provided with a limiting boss, the rotating hole is close to one end face of the fixed plate and is provided with a plurality of limiting holes which are evenly distributed, and the diameter of the limiting boss is consistent with that of the limiting holes.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: a spring is arranged between the fixed plate and the rotary stop block, and the spring is sleeved outside the extending end.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: the fixing base is provided with a mounting plate, and a mounting hole is formed in the mounting plate.
As a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device's an preferred scheme, wherein: the sensor is a pressure sensor, and the top end of the inserting plate is provided with a limiting block.
The utility model has the advantages that: the manpower input is reduced, the safety risk is reduced, the violation of working of personnel under the hoisting operation is avoided, and the rotors with various specifications can be used for hoisting.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be 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 inventive labor. Wherein:
fig. 1 is a schematic structural view of a middle insert plate of a vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a middle insert plate and a fixing seat of a vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a middle insert plate and a gear of the vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to an embodiment of the present invention;
fig. 4 is a schematic sectional structure view of an air gap monitoring and alarming device for rotor lifting of a vertical hydraulic generator according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a fixing seat in the vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to an embodiment of the present invention;
fig. 6 is an embodiment of the utility model provides a structural schematic diagram of the hoisting process in the vertical hydraulic generator rotor hoisting air gap monitoring and alarming device.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, the embodiment provides an air gap monitoring and alarming device for vertical hydro-generator rotor hoisting, which is mainly used for vertical hydro-generator rotor hoisting; the vertical hydraulic generator rotor comprises an inserting plate 100, wherein the inserting plate 100 is in a long strip shape, in the embodiment, the thickness of the inserting plate 100 is about 10mm, and the inserting plate is suitable for vertical hydraulic generator rotors with different sizes, so that the height of the inserting plate 100 is greater than that of the rotors; wherein, a plurality of sensors 101 are uniformly distributed on the plugboard 100, and the sensors 101 are connected to an alarm 102; specifically, sensor 101 is pressure sensor, sensor 101 and alarm 102 wireless connection, and alarm 102 chooses the buzzer commonly used for use, and the preferred, alarm 102 still are connected with the alarm lamp, and in case sensor 101 is triggered, the buzzer of alarm 102 sends the chime of doom promptly, and the alarm lamp begins to twinkle simultaneously and reminds on-the-spot workman's rotor and stator to appear blocking. In addition, the top end of the insertion plate 100 is provided with a limiting block 104, and the limiting block 104 can prevent the insertion plate 100 from falling into an air gap between the rotor and the stator.
The implementation mode and principle of the embodiment are as follows: a sensor 101 is installed on an inserting plate 100, an alarm 102 is installed at the top of the inserting plate 100, the inserting plate 100 is inserted into an air gap between a stator and a rotor, when the inserting plate 100 is clamped between the rotor and the stator, the sensor 101 of the inserting plate 100 sends out an alarm signal through the alarm 102, a worker stops lifting and readjusts the rotor to enable the rotor to be concentric with the stator.
Example 2
Referring to fig. 1 to 6, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: still include fixing base 200, fixing base 200 can be fixed in the magnetic pole upper end, is convenient for install picture peg 100, and fixing base 200 is provided with square groove 201, and picture peg 100 passes square groove 201.
Further, a rack 103 is arranged on one side of the inserting plate 100, a gear 300 is installed in the fixing seat 200, and the gear 300 is in meshed connection with the rack 103, that is, the length of the inserting plate 100 extending out of the fixing seat 200 is adjusted through the rotation of the gear 300, and the adjusted length is consistent with the height of the rotor.
Further, the fixing base 200 is provided with a rotating hole 202, the gear 300 is provided with a rotating shaft 301, the rotating shaft 301 is located in the rotating hole 202, and the gear 300 can be rotated by operating the rotation of the rotating shaft 301, so that the downward extending length of the board 100 can be adjusted.
Preferably, the rotation shaft 301 includes an extension end 301a located outside the rotation hole 202, and the extension end 301a is connected with a rotation stopper 302, and a worker can adjust by operating the rotation stopper 302.
Wherein, extension end 301a is square column shape, and the cover is equipped with stationary blade 400 on extension end 301a, and stationary blade 400 is provided with quad slit 401, and extension end 301a passes quad slit 401, and stationary blade 400 can slide on extension end 301a along the axial of axis of rotation 301, and because extension end 301a is square column, so stationary blade 400 can only slide along the axial and can not rotate on extension end 301 a.
Further, a terminal surface of the fixing plate 400 is provided with a limiting boss 402, a terminal surface of the rotating hole 202 close to the fixing plate 400 is provided with a plurality of uniformly distributed limiting holes 203, the diameter of the limiting boss 402 is consistent with that of the limiting holes 203, when the limiting boss 402 is embedded into the limiting holes 203, the limiting holes 203 limit the rotation of the fixing plate 400 and the rotating shaft 301, at the moment, the gear 300 is in a fixed state, the downward extending height of the inserting plate 100 is fixed, when the fixing plate 400 moves towards the direction far away from the gear 300 at the extending end 301a, the limiting boss 402 is separated from the limiting holes 203, the rotation of the fixing plate 400 and the rotating shaft 301 is no longer limited, and the rotary stopper 302 can be operated to adjust.
Preferably, a spring 500 is disposed between the fixing plate 400 and the rotation stopper 302, the spring 500 is sleeved outside the extension end 301a, the spring 500 is a pressure spring, the fixing plate 400 can be attached to the fixing base 200 by the elastic force of the spring 500, and the limit boss 402 is embedded into the limit hole 203.
Preferably, the fixing base 200 is provided with a mounting plate 204, the mounting plate 204 is provided with a mounting hole 204a, the mounting plate can be fixed on the upper end of the magnetic pole of the rotor through the mounting hole 204a, the inserting plate 100 is attached to the periphery of the rotor, and the air gap between the rotor and the stator is small (generally, the air gap is within 30 mm).
The implementation manner of the embodiment is as follows: firstly, the mounting plate 204 is fixed at the upper end of a magnetic pole of a rotor, the fixing piece 400 is operated to enable the limiting boss 402 to be separated from the limiting hole 203, then the rotary stop block 302 can be rotated or the inserting plate 100 is directly operated to enable the length of the inserting plate 100 in the fixing seat 200 to be consistent with the height of the rotor, after the height is adjusted, the limiting boss 402 is embedded into the limiting hole 203 under the action of the spring 500 to fix the position of the inserting plate 100, then the rotor is hoisted, the inserting plate 100 is inserted into an air gap between the stator and the rotor, in the process of hoisting the rotor, when the inserting plate is clamped between the rotor and the stator, the inserting plate sensor sends out an alarm signal through an alarm, and a worker stops hoisting. The rotor is readjusted to be concentric with the stator.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the plug board (100), the plug board (100) is strip-shaped, a plurality of sensors (101) are uniformly distributed on the plug board (100), and the sensors (101) are connected with an alarm (102);
the sensor (101) is in wireless connection with the alarm (102).
2. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 1, characterized in that: still include fixing base (200), fixing base (200) are provided with square groove (201), picture peg (100) pass square groove (201).
3. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 2, characterized in that: one side of the inserting plate (100) is provided with a rack (103), a gear (300) is installed in the fixing seat (200), and the gear (300) is meshed with the rack (103) and connected.
4. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 3, characterized in that: the fixing seat (200) is provided with a rotating hole (202), the gear (300) is provided with a rotating shaft (301), and the rotating shaft (301) is located in the rotating hole (202).
5. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 4, characterized in that: the rotating shaft (301) comprises an extending end (301a) located outside the rotating hole (202), and a rotating stop block (302) is connected to the extending end (301 a).
6. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 5, characterized in that: extend end (301a) and be square cylindricality, it is equipped with stationary blade (400) to extend to go up the cover in end (301a), stationary blade (400) are provided with quad slit (401), it passes to extend end (301a) quad slit (401).
7. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 6, characterized in that: the end face of the fixing plate (400) is provided with a limiting boss (402), the rotating hole (202) is close to one end face of the fixing plate (400) and is provided with a plurality of limiting holes (203) which are evenly distributed, and the diameter of the limiting boss (402) is consistent with that of the limiting holes (203).
8. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 6 or 7, characterized in that: a spring (500) is arranged between the fixing plate (400) and the rotating stop block (302), and the spring (500) is sleeved outside the extending end (301 a).
9. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device according to claim 8, characterized in that: the fixing seat (200) is provided with a mounting plate (204), and a mounting hole (204a) is formed in the mounting plate (204).
10. The vertical hydraulic generator rotor hoisting air gap monitoring and alarming device as claimed in any one of claims 1 to 7 or 9, wherein: the sensor (101) is a pressure sensor, and a limiting block (104) is arranged at the top end of the inserting plate (100).
CN202022093619.5U 2020-09-22 2020-09-22 Vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device Active CN212903000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022093619.5U CN212903000U (en) 2020-09-22 2020-09-22 Vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device

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Application Number Priority Date Filing Date Title
CN202022093619.5U CN212903000U (en) 2020-09-22 2020-09-22 Vertical hydraulic generator rotor hoist and mount air gap monitoring alarm device

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CN212903000U true CN212903000U (en) 2021-04-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113607071A (en) * 2021-08-06 2021-11-05 三峡高科信息技术有限责任公司 Generator rotor hoisting air gap monitoring and protecting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113607071A (en) * 2021-08-06 2021-11-05 三峡高科信息技术有限责任公司 Generator rotor hoisting air gap monitoring and protecting device
CN113607071B (en) * 2021-08-06 2022-03-29 三峡高科信息技术有限责任公司 Generator rotor hoisting air gap monitoring and protecting device

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