CN214162038U

CN214162038U - Center and horizontal measurement adjusting model for bottom ring and top cover of hydroelectric generating set

Info

Publication number: CN214162038U
Application number: CN202022875231.0U
Authority: CN
Inventors: 曾超; 周文静; 刘浪; 李晓军; 刘芮麟; 郑伟; 赵雪来; 田浩天
Original assignee: Wujiangdu Hydropower Station
Current assignee: Wujiangdu Hydropower Station
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-10
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a center and horizontal measurement adjusting model of a bottom ring and a top cover of a hydroelectric generating set, which comprises a horizontal adjusting mechanism and a central measuring mechanism, wherein the horizontal adjusting mechanism comprises a bracket and a labyrinth ring arranged in the bracket; the central measuring mechanism is arranged on the horizontal adjusting mechanism and comprises an adjusting part matched with the horizontal adjusting mechanism and a measuring part arranged on the bracket. The utility model discloses a more accurate mode is predetermined accurate center and levelness, has saved the work load and the time of installation greatly, and follow-up appearance is not hard up also to change in the maintenance.

Description

Center and horizontal measurement adjusting model for bottom ring and top cover of hydroelectric generating set

Technical Field

The utility model relates to a hydroelectric power generation equipment measures installation technical field, especially a hydroelectric set bottom ring and top cap's center and level measurement adjustment model.

Background

The hydroelectric generating set is hydraulic generating equipment consisting of a water turbine, a hydraulic generator and accessory equipment (speed regulating and exciting device) thereof. In the maintenance work of a hydraulic power plant, the requirement on the center of the unit is very strict, and the center of the unit determines whether the center is accurate or not, so that the quality of the back-assembly and the gap adjustment of the upper guide bearing, the lower guide bearing and the water guide bearing of the unit is directly influenced; the running conditions of the unit after maintenance, such as swing, vibration, bearing temperature and the like are also related, so that the central measurement of the unit and the bearing reinstallation are particularly emphasized in the maintenance process. In the traditional installation method, in the process of determining the rotation center, firstly, the clearance between the labyrinth rings and the air clearance of the generator are measured, and then, after a main shaft is moved and fixed at an ideal position, all parts are determined. The method has the advantages of complex work, lower measurement accuracy, longer construction period and more difficult maintenance. Therefore, an adjustment model is needed to assist in adjusting the center and level of the hydro-turbo generator set.

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. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above and/or the existing problems existing when the hydroelectric generating set is measured and installed, the utility model discloses have been proposed.

Therefore, the utility model aims to solve the problem that the existing hydroelectric generating set installation measuring method is loaded down with trivial details, and the measuring accuracy is lower.

In order to solve the technical problem, the utility model provides a following technical scheme: a center and horizontal measurement adjusting model of a bottom ring and a top cover of a hydroelectric generating set comprises a horizontal adjusting mechanism and a central measuring mechanism, wherein the horizontal adjusting mechanism comprises a support and a labyrinth ring arranged in the support; the central measuring mechanism is arranged on the horizontal adjusting mechanism and comprises an adjusting part matched with the horizontal adjusting mechanism and a measuring part arranged on the bracket.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the labyrinth ring includes end ring and apical ring, the end ring with the support is fixed connection, end ring one side is equipped with a plurality of first screw holes that extend along the axial, install first bolt in the first screw hole.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the other side of the bottom ring is provided with a plurality of channel steel along the axial direction, grooves are formed in the channel steel, and the grooves face to the axial lead of the bottom ring; a first boss is arranged at a certain height in the groove, a second threaded hole is axially formed in the bottom ring along the first boss, a second bolt is installed in the second threaded hole, and the second bolt is installed from one side close to the bottom ring.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the one side of the first boss far away from the bottom ring is provided with a top ring, a second boss is arranged in the groove at the same height of the bottom ring and is perpendicular to the second boss, a third threaded hole is axially formed in the bottom ring, a third bolt is arranged in the third threaded hole, and the front end of the third bolt abuts against the side edge of the top ring.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the top ring is provided with a plurality of first round holes, the number of the first round holes is consistent with that of the first bosses, and one side of each first round hole faces the bottom ring and is matched with the second bolt.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the channel steel extends to the axial lead of the bottom ring at a certain position far away from the top ring, a platform is arranged on the extending part, and a second round hole is formed in the middle of the platform; the measuring part comprises a centering device and a dial indicator, a through hole is formed in the bottom of the centering device, the centering device is installed in the middle of the platform, and the through hole is opposite to the second round hole.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the centering device is provided with a winding post, the winding post is opposite to the through hole, a metal wire is wound on the winding post, the metal wire sequentially penetrates through the through hole and the second round hole, and a heavy hammer is hung at the other end of the metal wire.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: : the heavy hammer is hung and immersed in an oil barrel filled with oil, and the height of the oil barrel does not exceed the sum of the first threaded hole and the first bolt.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the dial indicator is installed on a magnetic indicator seat, and the magnetic indicator seat is installed on the platform and close to the centering device.

As a hydroelectric set end ring and top cap center and a preferred scheme of level measurement adjustment model, wherein: the side of the centering device is provided with a connecting hole, and the connecting hole is connected with a lead.

The utility model discloses beneficial effect does: the utility model discloses with equipment inspection survey hydroelectric set's such as micrometer center and the straightness that hangs down, the degree of accuracy is higher, and distance and levelness between end ring and top cap are adjusted in advance, and the installation of being convenient for need not to measure repeatedly and saves time, and relevant parts are not hard up and resume increase work efficiency easily.

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 front view of a center and horizontal measurement adjustment model of a bottom ring and a top cover of a hydroelectric generating set.

Fig. 2 is an overall structure diagram of the center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set.

Fig. 3 is a structural diagram of the center of the bottom ring and the top cover of the hydroelectric generating set and the support and other parts of the horizontal measurement adjusting model.

Fig. 4 is a structural diagram of centers of a bottom ring and a top cover of the hydro-generator set and an upper centering device of a horizontal measurement adjusting model.

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.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. 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 and 2, for the first embodiment of the present invention, this embodiment provides a center and level measurement adjusting model of the bottom ring and the top cover of the water-turbine generator set, the center and level measurement adjusting model of the bottom ring and the top cover of the water-turbine generator set includes a level adjusting mechanism 100 and a center measuring mechanism 200, the level adjusting mechanism 100 includes a support 101, and a labyrinth ring 102 installed in the support 101.

Specifically, the labyrinth ring 102 includes a bottom ring 102a and a top ring 102b, the bottom ring 102a is fixedly connected to the bracket 101, one surface of the bottom ring 102a is axially provided with a plurality of first threaded holes 102a-1 extending therefrom, and the first threaded holes 102a-1 are internally provided with first bolts 101 a. Considering the weight of the whole model and the subsequent implementation difficulty, the number of the first threaded holes 102a-1 is three, and the levelness of the whole bottom ring 102a can be adjusted by adjusting the installation height of any one first bolt 101 a.

Furthermore, a plurality of channel steel 101b are axially arranged on the other surface of the bottom ring 102a, grooves 101b-1 are formed in the channel steel 101b, and the grooves 101b-1 face to the axial lead of the bottom ring 102 a; a first boss 101c is arranged at a certain height in the groove 101b-1, a second threaded hole 101c-1 is formed in the first boss 101c along the axial direction of the bottom ring 102a, a second bolt 101c-2 is installed in the second threaded hole 101c-1, and the second bolt 101c-2 is installed from one side close to the bottom ring 102 a. The channel steel 101b is selected to reduce the overall weight of the model, and the hoisting difficulty in subsequent installation is reduced.

In addition, a plurality of first round holes 102b-1 are formed in the top ring 102b, the number of the first round holes 102b-1 is the same as that of the first bosses 101c, and the first round holes 102b-1 are matched with the second bolts 101 c-2. The first round hole 102b-1 is a non-through top ring 102b, the second bolts 101c-2 penetrate out of the first boss 101c to jack up the top ring 102b, four first bosses 101c are arranged for convenience in adjustment, measurement and calculation and are uniformly distributed, the levelness of the top ring 102b can be adjusted by adjusting the height of any one second bolt 101c-2, and the levelness of the top ring 102b needs to be consistent with that of the bottom ring 102 a.

Furthermore, a top ring 102b is installed on one surface, away from the bottom ring 102a, of the first boss 101c, a second boss 101d is arranged in the groove 101b-1 at the same height as the bottom ring 102a, a third threaded hole 101d-1 is axially formed in the second boss 101d and perpendicular to the bottom ring 102a, a third bolt 101d-2 is installed in the third threaded hole 101d-1, and the front end of the third bolt 101d-2 abuts against the side edge of the top ring 102 b.

In this embodiment, the second boss 101d and the third bolt 101d-2 are part of the central measuring mechanism 200.

Example 2

Referring to fig. 3 and 4, a second embodiment of the present invention, which is based on the previous embodiment and is different from the first embodiment, is: and a central measuring mechanism 200 mounted on the horizontal adjusting mechanism 100, wherein the central measuring mechanism 200 comprises an adjusting part 201 matched with the horizontal adjusting mechanism 100 and a measuring part 202 mounted on the bracket 101.

Wherein, the adjusting part 201 comprises the second boss 101d and the third bolt 101d-2 described in the previous embodiment, the third bolt 101d-2 is horizontally installed against the top ring 102b, the depth of the installation of the third bolt 101d-2 is adjusted to make the center of the top ring 102b offset, and the top ring 102b needs to be concentric with the bottom ring 102 a.

In addition, the channel steel 101b extends towards the axial lead of the bottom ring 102a at a certain position far away from the top ring 102b, a platform 101e is arranged on the extending part, and a second round hole 101e-1 is arranged in the middle of the platform 101 e; the measuring part 202 comprises a centering device 202a and a dial indicator 202b, a through hole 202a-1 is formed in the bottom of the centering device 202a, the centering device 202a is installed in the middle of the platform 101e, and the through hole 202a-1 is opposite to the second round hole 101 e-1. The centering device 202a is provided with a winding post 202a-2, the winding post 202a-2 is opposite to the through hole 202a-1, a metal wire L is wound on the winding post 202a-2 and sequentially passes through the through hole 202a-1 and the second round hole 101e-1, and a heavy hammer H is hung at the other end of the metal wire L. The weight of the weight H can reach dozens of kilograms, so that the metal wire L can be stretched tightly, and in order to prevent the metal wire L from being broken, a piano wire can be adopted as the metal wire L.

Further, the heavy hammer H is hung and immersed in an oil drum T filled with oil, and the height of the oil drum T does not exceed the sum of the first threaded hole 102a-1 and the first bolt 101 a; the dial indicator 202B is installed on a magnetic indicator seat B, and the magnetic indicator seat B is installed on the platform 101e and is close to the centering device 202 a; the side of the centering device 202a is provided with a connecting hole 202a-3, and the connecting hole 202a-3 is connected with a conducting wire. The oil should be viscous, so that the weight H cannot easily shake therein under the influence of wind.

In this embodiment, the core finder 202a is common in the prior art, and the detailed structure thereof is not described herein. The center of the centering device 202a can be finely adjusted in all directions, the micrometer 202b beside the centering device gradually increases in size to lightly touch the metal wire L, a headset needs to be worn to be matched with a conducting wire, the metal wire L, the dial indicator 202b and the like to form a closed loop, when the dial indicator 202b contacts the metal wire L, the circuit is connected, sound can be heard in the headset, the dial indicator 202b measures on the metal wire L, and when the sound is close to the metal wire L, the measurement data of the dial indicator 202b can be read out to serve as a measurement basis.

The utility model discloses simple structure, the processing ease, the levelness and the center to bottom ring and apical ring have been measured in advance, at follow-up transfer water turbine generator in-process, need not the measurement work that relapse many times, have saved the work degree of difficulty greatly, also can accomplish easily at follow-up maintenance in-process simultaneously, have increased efficiency.

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

1. The utility model provides a center and the level measurement adjustment model of hydroelectric set bottom ring and top cap which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the horizontal adjusting mechanism (100) comprises a bracket (101) and a labyrinth ring (102) installed in the bracket (101); and a central measuring mechanism (200) mounted on the leveling mechanism (100),

a central measuring mechanism (200) comprising an adjusting part (201) cooperating with the level adjusting mechanism (100) and a measuring part (202) mounted on the support (101).

2. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 1, characterized in that: the labyrinth ring (102) comprises a bottom ring (102a) and a top ring (102b), the bottom ring (102a) is fixedly connected with the support (101), one surface of the bottom ring (102a) is provided with a plurality of first threaded holes (102a-1) extending out along the axial direction, and first bolts (101a) are installed in the first threaded holes (102 a-1).

3. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 2, characterized in that: the other surface of the bottom ring (102a) is provided with a plurality of channel steel (101b) along the axial direction, grooves (101b-1) are formed in the channel steel (101b), and the grooves (101b-1) face to the axial lead of the bottom ring (102 a); a first boss (101c) is arranged at a certain height in the groove (101b-1), a second threaded hole (101c-1) is formed in the first boss (101c) along the axial direction of the bottom ring (102a), a second bolt (101c-2) is installed in the second threaded hole (101c-1), and the second bolt (101c-2) is installed from one side close to the bottom ring (102 a).

4. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 3, characterized in that: the one side, far away from the bottom ring (102a), of the first boss (101c) is provided with a top ring (102b), a second boss (101d) is arranged in the groove (101b-1) at the same height as the bottom ring (102a), the second boss (101d) is perpendicular to a third threaded hole (101d-1) in the axial direction of the bottom ring (102a), a third bolt (101d-2) is arranged in the third threaded hole (101d-1), and the front end of the third bolt (101d-2) abuts against the side edge of the top ring (102 b).

5. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 4, characterized in that: the adjustment portion (201) comprises the second boss (101d) and the third bolt (101 d-2); the top ring (102b) is provided with a plurality of first round holes (102b-1), the number of the first round holes (102b-1) is consistent with that of the first bosses (101c), and one surface of each first round hole (102b-1) faces the bottom ring (102a) and is matched with the second bolt (101 c-2).

6. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 5, characterized in that: the channel steel (101b) extends towards the axial lead of the bottom ring (102a) at a certain position far away from the top ring (102b), a platform (101e) is arranged on the extending part, and a second round hole (101e-1) is arranged in the middle of the platform (101 e); the measuring part (202) comprises a centering device (202a) and a dial indicator (202b), a through hole (202a-1) is formed in the bottom of the centering device (202a), the centering device (202a) is installed in the middle of the platform (101e), and the through hole (202a-1) is opposite to the second round hole (101 e-1).

7. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 6, characterized in that: the centering device (202a) is provided with a winding post (202a-2), the winding post (202a-2) is opposite to the through hole (202a-1), a metal wire (L) is wound on the winding post (202a-2), the metal wire (L) sequentially penetrates through the through hole (202a-1) and the second round hole (101e-1), and the other end of the metal wire (L) is hung with a heavy hammer (H).

8. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 7, characterized in that: the heavy hammer (H) is hung and immersed in an oil drum (T) filled with oil, and the height of the oil drum (T) does not exceed the sum of the first threaded hole (102a-1) and the first bolt (101 a).

9. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 8, characterized in that: the dial indicator (202B) is installed on a magnetic indicator seat (B), and the magnetic indicator seat (B) is installed on the platform (101e) and is close to the centering device (202 a).

10. The center and level measurement adjustment model of the bottom ring and the top cover of the water turbine generator set according to claim 9, characterized in that: the side edge of the centering device (202a) is provided with a connecting hole (202a-3), and the connecting hole (202a-3) is connected with a lead.