CN220539750U

CN220539750U - Hydraulic generator frame and hydraulic generator

Info

Publication number: CN220539750U
Application number: CN202321572029.8U
Authority: CN
Inventors: 罗涛; 张清波
Original assignee: China Three Gorges International Corp
Current assignee: China Three Gorges International Corp
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-02-27
Anticipated expiration: 2033-06-19
Also published as: JP3244516U

Abstract

The utility model relates to the technical field of hydraulic generators, and discloses a hydraulic generator frame, which comprises: a plurality of support beams respectively extending from the same center in the radial direction; the two ends of the cross beam are respectively connected with two adjacent support beams, and the cross beam is provided with two dismounting parts for dismounting the cross beam between the two dismounting parts; the two inclined beams are correspondingly connected with a cross beam, one ends of the two inclined beams are respectively connected with the cross beam, and the other ends of the two inclined beams are mutually connected, and also discloses a hydraulic generator; according to the utility model, the disassembly part is arranged on the cross beam, so that part of the cross beam and the other part of the cross beam are in disassembly connection, and when the magnet is required to be overhauled, part of the cross beam is directly disassembled, so that the efficiency of an overhauling process is improved.

Description

Hydraulic generator frame and hydraulic generator

Technical Field

The utility model relates to the field of hydraulic generators, in particular to a hydraulic generator frame and a hydraulic generator.

Background

The upper frame is used as an important part of the hydraulic generator, and has the main effects of supporting the upper guide bearing, bearing radial force transmitted by the upper guide bearing, and bearing rotor unbalanced force and unilateral magnetic pulling force caused by uneven air gap. The common structure of hydraulic generator includes radial support and oblique support arm formula, and radial formula structure can set up supporting beam in the support arm outside in order to increase mechanical strength, ensure supporting structure stability, go up the frame and can wholly hang into the pit installation after accomplishing the group welding, but the crossbeam is located rotor magnetic pole top, this kind of design has increased the degree of difficulty for rotor magnetic pole overhauls and hangs out, the magnetic pole need hang out to overhaul and change, then need hang out the frame wholly, need hang back the installation of going up the frame after accomplishing the magnetic pole overhauls, in case like this the operation then still need carry out the jigger to the unit, this can lead to whole maintenance time limit for a project to about a month, maintenance cycle process, will reduce the availability time of unit.

Disclosure of Invention

In view of the above, the present utility model provides a hydraulic generator frame to solve the problem of difficult maintenance and low efficiency of the magnetic pole below the frame.

In a first aspect, the present utility model provides a hydraulic generator housing comprising: a plurality of support beams respectively extending from the same center in the radial direction; the two ends of the cross beam are respectively connected with two adjacent supporting beams, and the cross beam is provided with two dismounting parts for dismounting the cross beam between the two dismounting parts; and one ends of the two inclined beams are correspondingly connected with one cross beam, the two inclined beams are respectively connected with the cross beam, and the other ends of the two inclined beams are mutually connected.

Through setting up two dismantlement parts on the crossbeam, make the part of crossbeam can dismantle alone, when the magnet of maintenance hydraulic generator frame lower part, only need dismantle partial crossbeam can, need not dismantle whole frame, improved work efficiency greatly, the water wheel generator of being convenient for has put into use reforms transform.

In an alternative embodiment, the beam includes: the disassembly cross beam is provided with disassembly parts at two ends, the oblique beam and the cross beam are provided with two joints, and the disassembly parts are positioned between the two joints; the supporting beam is fixedly connected with the supporting beam and is connected with the disassembling beam through the disassembling part.

Through setting up the inside at sloping junction with dismantling the crossbeam, can dismantle single crossbeam and can accomplish the dismantlement, the process is quick.

In an alternative embodiment, the dismounting portion is a flange, the flange includes a first flange plate and a second flange plate connected by bolts, the first flange plate is connected to the supporting beam, and the second flange plate is connected to the dismounting beam.

Through setting up the dismantlement portion as the flange, the process of dismantlement installation is accomplished through dismantling the bolt, and is simple quick.

In an alternative embodiment, the first flange is welded to the support beam and the second flange is welded to the removal beam.

The hydraulic generator frame in this scheme can obtain through original structural transformation, saw the back with dismouting crossbeam at original crossbeam, through the welding, at the free end fixed connection top flange who dismantles crossbeam and supporting beam.

In an alternative embodiment, the detaching portion includes: the beam disassembly piece is arranged at two ends of the beam, and the supporting beam is connected with the beam through the beam disassembly piece.

The whole cross beam is detached in another detaching mode, so that a larger maintenance space is provided for the magnet, and the bearing stress of the cross beam is improved.

In an alternative embodiment, the detaching portion further includes: the oblique beam disassembly piece is arranged at one end of the oblique beam, which is connected with the cross beam, and the oblique beam is connected with the cross beam through the oblique beam disassembly piece.

Through setting up to detachable form between sloping and the crossbeam, the efficiency when having improved the dismantlement crossbeam.

In an alternative embodiment, the beam disassembly is provided as a flange.

The support beam and the cross beam can be detached by the bolts through the flanges.

In an alternative embodiment, the oblique beam disassembly is provided as a flange.

The bolts can be used for disassembling the cross beam and the oblique beam by using the flange.

In an alternative embodiment, a gap for mounting the dismounting beam is provided between two opposite supporting beams, said gap being located in the upper part of the pole of the hydro-generator and being larger than the size of the pole.

By setting the size requirement, the magnet can be lifted out in a straight line when passing through the hydraulic generator frame.

In a second aspect, the present utility model also provides a hydraulic generator comprising: the hydraulic generator frame; and the magnet is positioned at the lower part of the hydraulic generator frame.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a part of a hydraulic generator frame according to an embodiment of the present utility model;

FIG. 2 is a side view of a beam and magnet in an embodiment of the utility model;

FIG. 3 is a schematic view of the cross beam and the diagonal beam in an embodiment of the present utility model;

FIG. 4 is a schematic view of a disassembled cross beam according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a disassembled cross beam according to an embodiment of the present utility model;

fig. 6 is a schematic view of a cross member and a diagonal member according to another embodiment of the present utility model.

Reference numerals illustrate:

1. a support beam; 2. a cross beam; 201. a support beam; 202. disassembling the cross beam; 3. a sloping beam; 4. a detaching portion; 401. a flange; 4011. a first flange; 4012. a second flange; 402. a beam dismounting member; 403. oblique beam disassembly parts; 5. a magnet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to an embodiment of the present utility model, as shown in fig. 1, in one aspect, there is provided a hydraulic generator frame, including a support beam 1, a cross beam 2 and an inclined beam 3, and a support structure is formed by combining the support beam 1, the cross beam 2 and the inclined beam 3.

In some embodiments, the plurality of support beams 1 extend radially from the same center, respectively; two ends of the cross beam 2 are respectively connected with two adjacent support beams 1, and the cross beam 2 is provided with two dismounting parts 4 for dismounting the cross beam 2 between the two dismounting parts 4; two sloping 3 correspond to be connected to a crossbeam 2, and the one end of two sloping 3 is connected in crossbeam 2 respectively, and the other end of two sloping 3 interconnect.

In this embodiment, as shown in fig. 1 and fig. 2, the supporting beams 1 are used for constructing the integral structure of the frame of the water turbine generator, and are of a radial structure extending from the center to the periphery, the cross beams 2 are located between two adjacent supporting beams 1, so that the supporting stability of the position of the supporting beams 1 near the tail end is increased, in addition, two inclined beams 3 are arranged on each cross beam 2, after the two inclined beams 3 are connected with the cross beams 2, a triangular supporting shape is formed, the other ends of the two inclined beams 3 are connected with a pit, the connection between the frame and the pit is realized, and the supporting structure formed by the supporting beams 1, the cross beams 2 and the inclined beams 3 has strong supporting stability and can bear multiple stresses such as radial force transmitted by an upper guide bearing and an upper guide bearing of the water turbine generator, and unilateral magnetic tension caused by unbalanced rotor force and uneven air gap; in addition, the disassembly part 4 is arranged on the cross beam 2, so that the cross beam 2 is of a partially detachable structure, when the magnet 5 at the bottom of the frame needs to be maintained, the part of the cross beam 2 can be independently disassembled, the magnet 5 is directly taken out, the whole hydraulic generator frame does not need to be disassembled, and the working efficiency of overhauling the magnet 5 is greatly improved.

In addition, the disassembly part 4 in the embodiment is a part which is added to the original structure of the hydraulic turbine engine frame, old equipment does not need to be replaced, the existing hydraulic turbine engine frame can be directly modified, and the use cost is lower.

In some embodiments, as shown in fig. 3, the cross beam 2 includes a detachable cross beam 202 and a supporting cross beam 201, the two ends of the detachable cross beam 202 are provided with detachable parts 4, the detachable parts 4 are positioned at two joints of the oblique beam 3 and the cross beam 2, the supporting cross beam 201 is fixedly connected with the supporting beam 1, and the supporting cross beam 201 is connected with the detachable cross beam 202 through the detachable parts 4.

In this embodiment, the cross beam 2 is configured as a partially detachable structure, wherein the detachable part is a detachable cross beam 202, the rest parts fixedly connected with the support beam 1 are support cross beams 201, the connection position between the support cross beams 201 and the detachable cross beam 202 is a detachable part 4, and the detachable part 4 is arranged between the connection positions of the oblique beam 3 and the cross beam 2, so that the oblique beam 3 is supported on the support cross beam 201, only one beam needs to be detached in the detachment process, and the efficiency in the detachment process when the magnet 5 is overhauled is improved.

In some embodiments, as shown in fig. 4 and 5, the dismounting portion 4 is a flange 401, the flange 401 includes a first flange 4011 and a second flange 4012 that are bolted, the first flange 4011 is connected to the support beam 201, and the second flange 4012 is connected to the dismounting beam 202.

In this embodiment, a first flange 4011 is installed at the free end of the supporting beam 201, and a second flange 4012 is installed at the two ends of the dismounting beam 202, the first flange 4011 and the second flange 4012 can be connected through bolts, that is, when the hydraulic generator is in a normal use state, the first flange 4011 and the second flange 4012 are connected through bolts, the dismounting beam 202 and the supporting beam 201 are connected into a complete beam 2, and the supporting effect is achieved in the frame; when the magnet 5 in the hydraulic generator needs to be overhauled, the disassembly beam 202 and the support beam 201 are separated by disassembling bolts between the first flange 4011 and the second flange 4012, the disassembly beam 202 is taken out, and the magnet 5 is lifted out of the space of the bracket of the support beam 201.

In some embodiments, a first flange 4011 is welded to the support beam 201 and a second flange 4012 is welded to the removal beam 202.

In this embodiment, the flange 401 is fixedly connected with the supporting beam 201 and the dismounting beam 202 by welding, when the existing hydraulic generator frame is reformed, a part of the original beam 2 is cut, the removed part is the dismounting beam 202, the two ends of the dismounting beam 202 are fixedly provided with the second flange 4012 by welding, and the free end of the supporting beam 201 is fixedly provided with the first flange 4011 by welding.

In other embodiments, as shown in fig. 6, the dismounting portion 4 includes a beam dismounting member 402, the beam dismounting member 402 is mounted at both ends of the beam 2, and the support beam 1 is connected to the beam 2 through the beam dismounting member 402.

In this embodiment, the cross beam 2 is another disassembling mode, the whole cross beam 2 is detachably connected to the supporting beam 1, and when the magnetic pole is overhauled, the whole cross beam 2 can be removed, and then the magnetic pole is lifted out, so that the calculation process of the stress of the cross beam 2 is saved, and the transformation process is simpler and faster.

In some embodiments, the dismounting portion 4 further includes a diagonal beam dismounting member 403, the diagonal beam dismounting member 403 being mounted in the diagonal beam 3 at the end connected to the cross beam 2, the diagonal beam 3 being connected to the cross beam 2 by the diagonal beam dismounting member 403.

In this embodiment, the other end of the oblique beam 3 is connected to the pit, the connection part of the cross beam 2 at one end of the oblique beam 3 is provided with a disassembly part 4, in the process of disassembling the whole cross beam 2, the disassembly part 4 on the oblique beam 3 is disassembled for the first time, and then the disassembly part 4 on the cross beam 202 is disassembled, so that the separation of the cross beam 2 and the hydraulic generator frame can be completed.

In some embodiments, the beam disassembly 402 is provided as a flange.

In some embodiments, the ramp disassembly 403 is provided as a flange.

In the above embodiment, the flanges in the flanges are welded on the cross beam 2, the support beam 1 and the oblique beam 3, and the separation between the beams is realized by the bolts through the opposite flanges and the disassembling bolts, so that the stability is strong and the disassembly is quick.

In some embodiments, two opposing support beams 201 have a gap in the support for mounting and dismounting the beams 202, the gap being located above the poles 5 of the waterwheel machine and being larger than the size of the poles.

In this embodiment, when the disassembly beam 202 and the support beam 201 are separated, the disassembly beam 202 is originally occupied at a gap between the support beams 201, and the magnetic poles are lifted out from the lower part of the frame through the gap, so that the gap is located at the upper part of the magnetic pole 5 of the hydraulic generator, and the gap is larger than the size of the magnetic pole, so that the magnetic pole can be lifted out in a straight line.

According to an embodiment of the present utility model, in another aspect, there is provided a hydraulic generator including the hydraulic generator frame and the magnet 5 in the above embodiment, wherein the magnet 5 is located at a lower portion of the hydraulic generator frame.

The cross beam 2 in the generator frame in the above embodiment is located at the upper part of the magnetic pole, and by setting the cross beam 2 to be a structure that can be wholly or partially disassembled, only part of the cross beam 2 can be disassembled to overhaul the magnetic pole, so that the overhaul efficiency is greatly improved, and the structure of the disassembly cross beam 202 can be implemented on the existing old frame, the frame is directly transformed, and a new member is not required to be replaced.

In some embodiments, the hydro-generator retrofit process is: the construction area adopts fireproof cloth to effectively cover and shield surrounding unit equipment, so that metal sundries are prevented from splashing during welding construction; drawing a central line on a cross beam 2 of the hydraulic generator frame, cutting the cross beam 2 along the same distance of two sides of the central line in a gouging or flame cutting mode, cutting off the middle section, polishing the cutting surface of the supporting cross beam 201 by a grinder to be smooth, and polishing the welded part to obtain metallic luster; a pair of flanges 401 is formed by the first flange 4011 and the second flange 4012, and the flanges 401 are temporarily fixed by bolts, and a cross center line is drawn on the flanges 401; polishing the cutting surface of the detachable cross beam 202 to be smooth, polishing the welding seam to obtain metallic luster, and checking the verticality of each side of the assembly surface by using a square; the two ends of the detachable cross beam 202 are assembled with the flange 401 to be adjusted, spot welding is performed after the verticality is checked to be qualified, and then the free end of the supporting cross beam 201 and the flange 401 are welded into a whole.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims

1. A hydro-generator frame, comprising:

a plurality of support beams (1), wherein the support beams (1) extend from the same center along the radial direction respectively;

the two ends of the cross beam (2) are respectively connected with two adjacent supporting beams (1), and the cross beam (2) is provided with two dismounting parts (4) for dismounting the cross beam (2) between the two dismounting parts (4);

and the oblique beams (3), the two oblique beams (3) are correspondingly connected with one transverse beam (2), one ends of the two oblique beams (3) are respectively connected with the transverse beams (2), and the other ends of the two oblique beams (3) are mutually connected.

2. The hydro-generator frame according to claim 1, characterized in that the cross beam (2) comprises:

the disassembly cross beam (202), wherein disassembly parts (4) are arranged at two ends of the disassembly cross beam (202), the oblique beam (3) and the cross beam (2) are provided with two connecting parts, and the disassembly parts (4) are positioned between the two connecting parts;

the support beam (201), support beam (201) with supporting beam (1) fixed connection, support beam (201) pass through dismantlement portion (4) with dismantle crossbeam (202) connection.

3. The hydraulic generator frame according to claim 2, characterized in that the dismounting portion (4) is a flange (401), the flange (401) comprising a first flange plate (4011) and a second flange plate (4012) connected by bolts, the first flange plate (4011) being connected to the supporting beam (201), the second flange plate (4012) being connected to the dismounting beam (202).

4. A hydraulic generator frame according to claim 3, characterized in that said first flange (4011) is welded to said support beam (201) and said second flange (4012) is welded to said dismounting beam (202).

5. The hydro-generator frame according to claim 1, characterized in that the dismounting portion (4) comprises:

the beam disassembly piece (402), the beam disassembly piece (402) is installed in the both ends of crossbeam (2), supporting beam (1) pass through the beam disassembly piece (402) with crossbeam (2) are connected.

6. The hydro-generator frame according to claim 5, characterized in that said disassembly portion (4) further comprises:

the oblique beam disassembly piece (403), the oblique beam disassembly piece (403) is installed in one end of the oblique beam (3) connected with the cross beam (2), and the oblique beam (3) is connected with the cross beam (2) through the oblique beam disassembly piece (403).

7. The hydro-generator frame of claim 5 wherein the cross-beam disassembly (402) is provided as a flange.

8. The hydro-generator frame according to claim 6, characterized in that the oblique beam disassembly (403) is provided as a flange.

9. The hydraulic generator frame according to claim 2, characterized in that between two opposite supporting beams (201) there is a gap for mounting the dismounting beams (202), which gap is located in the upper part of the poles of the hydraulic generator and is larger than the size of the poles.

10. A hydro-generator, comprising:

the hydro-generator frame of any one of claims 1 to 9;

and the magnet (5) is positioned at the lower part of the hydraulic generator frame.