CN218823077U

CN218823077U - Heavy steam turbine test equipment

Info

Publication number: CN218823077U
Application number: CN202223491900.XU
Authority: CN
Inventors: 黄锴; 马惠秋
Original assignee: Harbin Qunshu Machinery Technology Co ltd
Current assignee: Harbin Qunshu Machinery Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-07
Anticipated expiration: 2032-12-27

Abstract

The utility model belongs to the technical field of steam turbine tests, in particular to heavy steam turbine test equipment, which comprises a steam turbine test equipment body and a vibration test assembly arranged on a bottom plate of the steam turbine test equipment body; vibration test subassembly includes fixed connection and is in two symmetrical arrangement's of steam turbine test equipment body bottom plate lower surface connecting plate and setting are in backup pad and fixed connection of connecting plate below are in two symmetrical arrangement's of backup pad upper surface supporting seat, set up the vibration test subassembly on this device, the user passes through this vibration test subassembly, can be through the vibration environment of simulation steam turbine in transportation and use, thereby appraise whether the steam turbine has the ability of bearing this environment, and the regulating part has been added in this mechanism, can pass through regulating spring's elasticity degree, and then simulate the vibration of different degrees, make analogue test's authenticity stronger.

Description

Heavy steam turbine test equipment

Technical Field

The utility model belongs to the technical field of the steam turbine is experimental, concretely relates to heavy steam turbine test equipment.

Background

The steam turbine is a rotary power machine which converts the energy of steam into mechanical work, is mainly used as a prime motor for power generation, and can also directly drive various pumps, fans, compressors, ship propellers and the like, the steam turbine is a rotary machine which takes the steam as power and converts the heat energy of the steam into the mechanical work, and is the most widely applied prime motor in a modern thermal power plant, so the test for measuring the abnormal vibration and the vibration reason of the steam turbine generator unit needs to be detected before operation;

via review publication (bulletin) number: CN206670918U, which discloses a steam turbine test device, and in this technology, discloses "a steam sealing machine main body comprising a main shaft, a driving device for driving the main shaft to rotate, and a steam sealing machine main body rotationally connected with the main shaft; the steam seal machine main body comprises an upper cover plate and a lower cover plate which are mutually buckled to form a sealed cavity, and a plurality of air inlets are formed in the upper cover plate and the lower cover plate, so that the technical effects of detecting the vibration frequency of the steam seal machine main body when power is input by a cylinder and the like are achieved;

however, the device cannot simulate the vibration environment of the steam turbine in the transportation and use processes, and also cannot simulate the actual working condition examination and the structural strength test, so that whether the product has the capacity of bearing the environment or not cannot be identified, and the early-stage fault of the steam turbine cannot be found in time;

in order to solve the problems, the application provides heavy steam turbine test equipment.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a heavy steam turbine test equipment has the vibration environment through the simulation steam turbine in transportation and use to whether this product of appraisal has the characteristics that bear this environment ability.

In order to achieve the above object, the utility model provides a following technical scheme: the heavy steam turbine test equipment comprises a steam turbine test equipment body and a vibration test assembly, wherein the vibration test assembly is installed on a bottom plate of the steam turbine test equipment body;

vibration test subassembly includes fixed connection and is in two symmetrical arrangement's of steam turbine test equipment body bottom plate lower surface connecting plate and setting are in backup pad and fixed connection of connecting plate below are in two symmetrical arrangement's of backup pad upper surface supporting seat, two be provided with the cam lever between the supporting seat, bearing and one of them are passed through to the one end of cam lever the supporting seat rotates to be connected, the other end of cam lever runs through wherein another the supporting seat to extend to wherein another supporting seat one side, and with set up wherein another the motor drive shaft of supporting seat one side is connected, the lower fixed surface of connecting plate is connected with the connecting seat of U-shaped structure, the connecting seat inside wall rotates through the pivot and is connected with the pulley, the lateral wall of pulley with the lateral wall contact of cam lever is connected, the last fixed surface of backup pad is connected with the dead lever that four equidistance distribute, the dead lever runs through the connecting plate, and extend to the top of connecting plate.

As the utility model relates to a heavy steam turbine test equipment is preferred, still includes adjusting part, adjusting part includes fixed connection and is in the L shape structural connection piece of connecting plate lower surface both sides, the connecting piece with be provided with the spring between the backup pad.

As the utility model relates to a heavy steam turbine test equipment is preferred, the spring with be provided with the connecting block between the backup pad, the lower fixed surface of connecting block is connected with the bolt, the bolt runs through the backup pad, and extend to the backup pad below, the lateral wall threaded connection of bolt has two symmetrical arrangement's nut, the backup pad is located two between the nut, and with the nut contact is connected.

As the utility model relates to a heavy steam turbine test equipment is preferred, the both ends of spring through the couple that sets up respectively with connecting rod on the connecting piece lateral wall with the connecting hole contact that sets up on the connecting block is connected, is provided with the holding tank that is used for holding this couple on this connecting rod, and this couple mobilizable setting is in this holding tank.

Compared with the prior art, the beneficial effects of the utility model are that:

the vibration test assembly is arranged on the device, a user can simulate the vibration environment of the steam turbine in the transportation and use processes through the vibration test assembly, so that whether the steam turbine has the capacity of bearing the environment or not is judged, the adjusting assembly is added to the mechanism, the tightness degree of the adjusting spring can be adjusted, the vibration of different degrees is simulated, and the reality of the simulation test is stronger.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a vibration testing assembly of the present invention;

fig. 3 is a schematic structural view of the middle support seat, the cam rod and the motor of the present invention;

FIG. 4 is a schematic structural view of the middle connection plate and the support plate of the present invention;

FIG. 5 is a schematic structural view of the connecting seat and the pulley of the present invention;

fig. 6 is a schematic structural diagram of the adjusting assembly of the present invention.

In the figure:

1. a steam turbine test equipment body;

2. a vibration test assembly; 21. a connecting plate; 22. a support plate; 23. a supporting seat; 24. a cam lever; 25. a motor; 26. a connecting seat; 27. a pulley; 28. fixing the rod;

3. an adjustment assembly; 31. a connecting member; 32. a spring; 33. connecting blocks; 34. a bolt; 35. and a nut.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

FIG. 1 shows:

a heavy steam turbine test device comprises a steam turbine test device body 1.

In this embodiment: existing apparatus { public (announcement) number }: CN206670918U discloses a steam turbine testing device, in this patent, mechanisms such as a main shaft and a driving device are disclosed, the steam turbine testing equipment body 1 in this application document adopts the same technical means in this prior art, this technical means is not described herein any more, regarding this existing motor seat frame, this application is further improved, and the details refer to the following disclosed technology; for solving the technical problem that exists among this prior art, like "the above-mentioned background art discloses," however, above-mentioned device can't simulate the vibration environment of steam turbine in transportation and use, also can't simulate the operating condition examination and structural strength test, and then can't appraise whether this product has the ability of bearing this environment, be unfavorable for the timely discovery to steam turbine early failure, combine to use, this problem obviously exists and the problem that is more difficult to solve of reality, so, for this reason, for solving this technical problem, add vibration test subassembly 2 and adjusting part 3 on this application document.

Further, the method comprises the following steps:

as shown in fig. 1-5:

the vibration testing device also comprises a vibration testing component 2 arranged on a bottom plate of the steam turbine testing equipment body 1; the vibration test assembly 2 comprises two symmetrically-arranged connecting plates 21 fixedly connected to the lower surface of a bottom plate of the steam turbine test equipment body 1, a supporting plate 22 arranged below the connecting plates 21 and two symmetrically-arranged supporting seats 23 fixedly connected to the upper surface of the supporting plate 22, a cam rod 24 is arranged between the two supporting seats 23, one end of the cam rod 24 is rotatably connected with one of the supporting seats 23 through a bearing, the other end of the cam rod 24 penetrates through the other supporting seat 23 and extends to one side of the other supporting seat 23 and is connected with a transmission shaft of a motor 25 arranged on one side of the other supporting seat 23, a connecting seat 26 of a U-shaped structure is fixedly connected to the lower surface of the connecting plate 21, a pulley 27 is rotatably connected to the inner side wall of the connecting seat 26 through a rotating shaft, the outer side wall of the pulley 27 is in contact connection with the outer side wall of the cam rod 24, four fixing rods 28 distributed at equal intervals are fixedly connected to the upper surface of the supporting plate 22, and the fixing rods 28 penetrate through the connecting plates 21 and extend to the upper side of the connecting plates 21.

In this embodiment: the used electrical apparatus of this device all adopts external power supply to supply power, during the use, operating personnel passes through starter motor 25, it is rotatory to make motor 25 drive cam lever 24, utilize cam lever 24 rotatory and extrusion pulley 27, make pulley 27 and connecting seat 26 reciprocate, thereby make connecting plate 21 and above-mentioned steam turbine test equipment body 1 realize the vibration, vibration environment in the use is simulated with this, and connecting plate 21 is when removing, spacing through dead lever 28, can make the removal more stable, through the vibration environment of simulation steam turbine in transportation and use like this, can test the ability that the steam turbine bore vibration environment.

It should be noted that: the cam lever 24 is provided in a convex shape at the outer side, and the pulley 27 is pressed by the convex portion, so that the pulley 27 is moved up and down by the pressing of the cam lever 24.

It should be noted that: when the cam lever 24 contacts the pulley 27, not only can the pulley 27 be jacked up and moved upwards, but also the friction force of the cam lever 24 on the pulley 27 can be effectively reduced by the rotation of the pulley 27, so that the movement of the pulley 27 is more convenient.

As shown in fig. 6:

the heavy steam turbine test equipment further comprises an adjusting component 3, wherein the adjusting component 3 comprises L-shaped structural connecting pieces 31 fixedly connected to two sides of the lower surface of the connecting plate 21, and springs 32 are arranged between the connecting pieces 31 and the supporting plate 22.

In an alternative embodiment, a connecting block 33 is disposed between the spring 32 and the supporting plate 22, a bolt 34 is fixedly connected to a lower surface of the connecting block 33, the bolt 34 penetrates through the supporting plate 22 and extends to a position below the supporting plate 22, two symmetrically arranged nuts 35 are screwed to an outer side wall of the bolt 34, and the supporting plate 22 is located between the two nuts 35 and is in contact connection with the nuts 35.

In an alternative embodiment, the two ends of the spring 32 are respectively in contact connection with a connecting rod on the outer side wall of the connecting member 31 and a connecting hole on the connecting block 33 through hooks, a receiving groove for receiving the hooks is arranged on the connecting rod, and the hooks are movably arranged in the receiving groove.

In this embodiment: when connecting plate 21 rebound, connecting piece 31 on the connecting plate 21 removes thereupon, and connecting piece 31 can extension spring 32, thereby can be with the help of spring 32's resilience force, make connecting piece 31's downward movement faster, like this with the help of spring 32 self elasticity, the effect of simulation vibration that can be better, simultaneously through swivel nut 35, make two nuts 35 of installing on bolt 34 not extrude backup pad 22, can adjust bolt 34 this moment and pass the length of backup pad 22, thereby make bolt 34 drive connecting block 33 remove, and further drive spring 32 and remove, thereby adjust spring 32's elasticity, like this through adjust spring 32's elasticity degree, and then simulate the vibration of different degrees, make simulation test's authenticity stronger.

The working process is as follows: an operator starts the motor 25, the motor 25 drives the cam rod 24 to rotate, the cam rod 24 rotates and extrudes the pulley 27, the pulley 27 and the connecting seat 26 move up and down, the connecting plate 21 and the steam turbine test equipment body 1 on the connecting plate 21 move, when the connecting plate 21 moves upwards, the connecting piece 31 on the connecting plate 21 can stretch the spring 32, the downward reset of the connecting piece 31 is quicker by virtue of the resilience force of the spring 32, the vibration simulation effect can be better realized, meanwhile, the two nuts 35 installed on the bolts 34 do not extrude the supporting plate 22 by rotating the nuts 35, the adjusting bolts 34 penetrate through the length of the supporting plate 22, the bolts 34 drive the connecting block 33 to move, and the springs 32 are driven to move, so that the tightness of the springs 32 is adjusted, and when the connecting plate 21 moves, the connecting plate 21 can move more stably by limiting of the fixing rod 28.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heavy steam turbine test equipment, includes steam turbine test equipment body (1), its characterized in that: the vibration testing device also comprises a vibration testing component (2) arranged on the bottom plate of the steam turbine testing equipment body (1);

the vibration test assembly (2) comprises two symmetrically-arranged connecting plates (21) fixedly connected to the lower surface of a bottom plate of the steam turbine test equipment body (1) and supporting plates (22) arranged below the connecting plates (21) and two symmetrically-arranged supporting seats (23) fixedly connected to the upper surface of the supporting plates (22), wherein cam rods (24) are arranged between the supporting seats (23), one ends of the cam rods (24) are rotatably connected with one of the supporting seats (23) through bearings, the other ends of the cam rods (24) penetrate through the other one of the supporting seats (23) and extend to one side of the other supporting seat (23), the other ends of the cam rods are connected with a transmission shaft of a motor (25) arranged on one side of the supporting seat (23), the lower surface of the connecting plates (21) is fixedly connected with connecting seats (26) of a U-shaped structure, the inner side wall of each connecting seat (26) is rotatably connected with pulleys (27) through a rotating shaft, the outer side wall of each pulley (27) is in contact with the outer side wall of the cam rods (24), the upper surface of the supporting plates (22) is fixedly connected with four fixing rods (28) distributed at equal intervals, and the fixing rods (28) penetrate through the connecting plates (21) and extend to the upper parts of the connecting plates (21).

2. The heavy duty turbine test rig according to claim 1, wherein: still include adjusting part (3), adjusting part (3) including fixed connection in L shape structure connecting piece (31) of connecting plate (21) lower surface both sides, connecting piece (31) with be provided with spring (32) between backup pad (22).

3. The heavy steam turbine test rig according to claim 2, wherein: spring (32) with be provided with connecting block (33) between backup pad (22), the lower fixed surface of connecting block (33) is connected with bolt (34), bolt (34) run through backup pad (22), and extend to backup pad (22) below, the lateral wall threaded connection of bolt (34) has two symmetrical arrangement's nut (35), backup pad (22) are located two between nut (35), and with nut (35) contact is connected.

4. The heavy steam turbine test rig according to claim 3, wherein: the both ends of spring (32) through the couple that sets up respectively with connecting rod on connecting piece (31) lateral wall with the connecting hole contact that sets up on connecting block (33) is connected, is provided with the holding tank that is used for holding this couple on this connecting rod, and the mobilizable setting of this couple is in this holding tank.