CN211258871U

CN211258871U - Thrust bearing of hydroelectric generating set

Info

Publication number: CN211258871U
Application number: CN201922163978.0U
Authority: CN
Inventors: 白仁祥; 李建军; 先晨
Original assignee: Sichuan Dadian Installation Engineering Co Ltd
Current assignee: Sichuan Dadian Installation Engineering Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-14
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a hydraulic generator technical field discloses a hydroelectric set's thrust bearing, including inner ring, holder, ball and outer loop, the surface and the holder of inner ring are connected, and the ball is connected on the holder, the surface of holder and the interior wall connection of outer loop, and the surface of outer loop is connected with the location tooth, is connected with positioning mechanism on the location tooth, and positioning mechanism includes locating lever, conducting hole, slide, spring, dials board and spout. The utility model discloses an improve on current thrust bearing's basis, install location tooth and positioning mechanism on the outer loop, come the convenience to thrust bearing's installation, need not to weld or interference connection, can carry out quick dismantlement to thrust bearing under the condition without the help of specialized tool, made things convenient for the dismantlement maintenance to hydraulic generator.

Description

Thrust bearing of hydroelectric generating set

Technical Field

The utility model relates to a hydraulic generator technical field specifically is a hydroelectric set's thrust bearing.

Background

The hydraulic generator is a generator which takes a hydraulic turbine as a prime mover to convert water energy into electric energy, when water flows through the hydraulic turbine, the water energy is converted into mechanical energy, a rotating shaft of the hydraulic turbine drives a rotor of the generator, the mechanical energy is converted into electric energy to be output, and the hydraulic generator is a main power device for generating the electric energy in a hydropower station.

Install thrust bearing on the drive arrangement on the hydraulic generator, the most interference of current thrust bearing is installed on the lower carriage of generator, comparatively is difficult to the installation and dismantles, often need use special instrument to lift thrust bearing off when needs are dismantled, and easily cause the damage of lower carriage, and the efficiency of dismantling is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hydroelectric set's thrust bearing, this hydroelectric set's thrust bearing have solved current hydroelectric generator and have used thrust bearing than the difficult problem of dismantling.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a thrust bearing of a hydroelectric generating set comprises an inner ring, a retainer, balls and an outer ring, wherein the outer surface of the inner ring is connected with the retainer, the balls are connected to the retainer, the outer surface of the retainer is connected with the inner wall of the outer ring, the outer surface of the outer ring is connected with positioning teeth, and the positioning teeth are connected with a positioning mechanism;

the positioning mechanism comprises a positioning rod, a conducting hole, a sliding plate, a spring, a shifting plate and a sliding groove;

the one end of locating lever runs through the conducting hole that the one end of location tooth kept away from the outer loop was seted up and extends to in the inner chamber of location tooth, locating lever and location tooth swing joint, the one end that the locating lever is located the location tooth inner chamber is fixedly connected with one side of slide, the one side that the locating lever was kept away from to the slide is fixedly connected with the one end of spring, the one end that the slide was kept away from to the spring is fixedly connected with the inner wall of location tooth, be connected with on the slide and dial the board, the one end of dialling the board and keeping away from the slide runs through the spout that the location tooth openly.

Preferably, the shape of the positioning teeth is isosceles trapezoid, and the length of one end of the positioning teeth, which is far away from the outer ring, is shorter.

Preferably, the number of the positioning mechanisms is two, and the two positioning mechanisms are symmetrically distributed on the positioning teeth connected to the two sides of the outer ring.

Preferably, one end of the sliding plate, which is far away from the shifting plate, is movably connected with the sliding rail, and one side of the sliding rail, which is far away from the sliding plate, is fixedly connected with the inner wall of the positioning teeth.

Preferably, the shape of the shifting plate is cuboid, and the shifting plate is provided with anti-skid grains.

Preferably, the slide rail is T-shaped, and a guide groove matched with the slide rail is formed at the joint of the slide plate and the slide rail.

Borrow by above-mentioned technical scheme, the utility model provides a hydroelectric set's thrust bearing. The method at least has the following beneficial effects:

(1) this hydroelectric set's thrust bearing improves through on current thrust bearing's the basis, installs location tooth and positioning mechanism on the outer loop, comes the convenience to thrust bearing's installation, need not to weld or interference fit connection, can carry out quick dismantlement to thrust bearing under the condition without the help of specialized tool, has made things convenient for the dismantlement maintenance to hydraulic generator.

(2) This hydroelectric set's thrust bearing through positioning mechanism's setting stability and the supporting effect when having increased the thrust bearing installation, has made things convenient for the dismantlement to thrust bearing through stirring the group board.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

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

FIG. 2 is a schematic view of the structure of part A in FIG. 1 according to the present invention;

fig. 3 is a schematic side view of the positioning rod of fig. 2 according to the present invention.

In the figure: 1 inner ring, 2 retainer, 3 balls, 4 outer rings, 5 positioning teeth, 6 positioning mechanisms, 601 positioning rods, 602 through holes, 603 sliding plates, 604 sliding rails, 605 springs, 606 dial plates and 607 sliding grooves.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a thrust bearing of a hydroelectric generating set comprises an inner ring 1, a retainer 2, balls 3 and an outer ring 4, wherein the outer surface of the inner ring 1 is connected with the retainer 2, the balls 3 are connected on the retainer 2, the outer surface of the retainer 2 is connected with the inner wall of the outer ring 4, the outer surface of the outer ring 4 is connected with positioning teeth 5, the positioning teeth 5 are isosceles trapezoids in shape, the length of one end, away from the outer ring 4, of each positioning tooth 5 is shorter, the clamping stability is improved, the outer ring 4 is prevented from rotating, the positioning teeth 5 are connected with two positioning mechanisms 6, the number of the two positioning mechanisms 6 is two, and the two positioning mechanisms 6 are symmetrically distributed on the positioning teeth 5 connected to the two sides of the outer ring 4;

the positioning mechanism 6 comprises a positioning rod 601, a via hole 602, a sliding plate 603, a spring 605, a dial plate 606 and a sliding groove 607;

one end of a positioning rod 601 penetrates through a through hole 602 formed in one end of the positioning tooth 5 far away from the outer ring 4 and extends into an inner cavity of the positioning tooth 5, the positioning rod 601 is movably connected with the positioning tooth 5, one end of the positioning rod 601, which is located in the inner cavity of the positioning tooth 5, is fixedly connected with one side of a sliding plate 603, one end of the sliding plate 603, which is far away from a shifting plate 606, is movably connected with a sliding rail 604, one side of the sliding rail 604, which is far away from the sliding plate 603, is fixedly connected with the inner wall of the positioning tooth 5, the shifting plate 606 is cuboid in shape and is provided with anti-skid grains, the sliding rail 604 is T-shaped, a guide groove matched with the sliding rail 604 is formed in the joint of the sliding plate 603 and the sliding rail 604, one side of the sliding plate 603, which is far away from the positioning rod 601, is fixedly connected with one end of a spring 605, which is far away from the sliding plate 603, the thrust bearing is convenient to disassemble by pulling the pulling plate 606, and one end of the pulling plate 606, which is far away from the sliding plate 603, penetrates through the sliding groove 607 formed in the front surface of the positioning tooth 5 and is movably connected with the positioning tooth 5.

Through improving on current thrust bearing's basis, install location tooth 5 and positioning mechanism 6 on outer loop 4, come the convenience to thrust bearing's installation, need not to weld or interference fit connection, can carry out quick dismantlement to thrust bearing under the condition without the help of specialized tool, made things convenient for the dismantlement maintenance to hydraulic generator.

When using, with the constant head tank laminating of seting up on the support about location tooth 5 and hydraulic generator and agreeing with mutually with location tooth 5, make locating lever 601 peg graft inside the locating hole of seting up in the constant head tank inside under spring 605's effect, fix a position thrust bearing, when hydraulic generator rotates, inner ring 1 rotates, outer loop 4 is motionless under the effect of location tooth 5, the effect to thrust bearing has been reached, when needs are dismantled thrust bearing, stir dial plate 606 and separate locating lever 601 and lower carriage, can separate thrust bearing and lower carriage, the maintenance is dismantled to each subassembly of hydraulic generator to having made things convenient for.

In summary, the following steps: this hydroelectric set's thrust bearing improves through on current thrust bearing's the basis, installs location tooth 5 and positioning mechanism 6 on outer loop 4, comes the convenience to thrust bearing's installation, need not to weld or interference fit connection, can carry out quick dismantlement to thrust bearing under the condition with the help of not specialized tool, has made things convenient for the dismantlement maintenance to hydraulic generator.

Stability and supporting effect when having increased thrust bearing installation through positioning mechanism 6's setting, have made things convenient for thrust bearing's dismantlement through stirring group board 606.

It is right above the utility model provides a hydroelectric set's thrust bearing has carried out the detailed introduction. The utility model discloses it is right to have used specific individual example the utility model discloses a principle and implementation have been elucidated, and the explanation of above embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a hydroelectric set's thrust bearing, includes inner ring (1), holder (2), ball (3) and outer loop (4), its characterized in that: the outer surface of the inner ring (1) is connected with the retainer (2), the balls (3) are connected to the retainer (2), the outer surface of the retainer (2) is connected with the inner wall of the outer ring (4), the outer surface of the outer ring (4) is connected with positioning teeth (5), and the positioning teeth (5) are connected with positioning mechanisms (6);

the positioning mechanism (6) comprises a positioning rod (601), a via hole (602), a sliding plate (603), a spring (605), a shifting plate (606) and a sliding groove (607);

one end of the positioning rod (601) penetrates through a through hole (602) formed in one end, far away from the outer ring (4), of the positioning gear (5) and extends into an inner cavity of the positioning gear (5), the positioning rod (601) is movably connected with the positioning gear (5), one end, located in the inner cavity of the positioning gear (5), of the positioning rod (601) is fixedly connected with one side of the sliding plate (603), one side, far away from the positioning rod (601), of the sliding plate (603) is fixedly connected with one end of the spring (605), one end, far away from the sliding plate (603), of the spring (605) is fixedly connected with the inner wall of the positioning gear (5), the sliding plate (603) is connected with a shifting plate (606), and one end, far away from the sliding plate (603), of the shifting plate (606) penetrates through a sliding groove (607) formed in the front face of the positioning gear (5).

2. The thrust bearing of a hydroelectric generating set according to claim 1, wherein: the shape of location tooth (5) is isosceles trapezoid, and the one end length that outer loop (4) were kept away from in location tooth (5) is shorter.

3. The thrust bearing of a hydroelectric generating set according to claim 1, wherein: the number of the positioning mechanisms (6) is two, and the two positioning mechanisms (6) are symmetrically distributed on the positioning teeth (5) connected with the two sides of the outer ring (4).

4. The thrust bearing of a hydroelectric generating set according to claim 1, wherein: one end, far away from the shifting plate (606), of the sliding plate (603) is movably connected with the sliding rail (604), and one side, far away from the sliding plate (603), of the sliding rail (604) is fixedly connected with the inner wall of the positioning tooth (5).

5. The thrust bearing of a hydroelectric generating set according to claim 1, wherein: the shape of the shifting plate (606) is cuboid, and the shifting plate (606) is provided with anti-skid grains.

6. The thrust bearing of a hydroelectric generating set according to claim 4, wherein: the slide rail (604) is T-shaped, and a guide groove matched with the slide rail (604) is formed in the joint of the slide plate (603) and the slide rail (604).