CN215720394U

CN215720394U - Brake of hydroelectric generating set

Info

Publication number: CN215720394U
Application number: CN202122195097.4U
Authority: CN
Inventors: 张天勇; 林昌义; 何平; 李庚涛
Original assignee: Hongya Power Generating Equipment To Utilities Ltd
Current assignee: Hongya Power Generating Equipment To Utilities Ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-02-01
Anticipated expiration: 2031-09-11

Abstract

The utility model relates to the technical field of generator set brakes, in particular to a hydroelectric generating set brake, which comprises a chassis, wherein an oil cylinder is fixedly arranged on the upper surface of the chassis, a mounting plate is fixedly arranged at the output end of the oil cylinder, a brake block is fixedly arranged on the upper surface of the mounting plate, mounting holes are symmetrically formed in the chassis, a lantern ring is fixedly arranged on the outer surface of the oil cylinder, a round shell is fixedly arranged on the upper surface of the lantern ring, a fixing ring is fixedly arranged on the lower surface of the mounting plate, an annular baffle is fixedly arranged on the lower surface of the fixing ring, and the annular baffle is inserted in the round shell. According to the utility model, by arranging the annular baffle, under the auxiliary action of the lantern ring, the round shell and the fixing ring, the extending part of the oil cylinder can be isolated under the condition that the whole brake brakes the generator set, and the integral sealing isolation of the extending part of the oil cylinder can be realized by matching with the diaphragm, so that the penetration of moisture is avoided, and the normal use of the brake is ensured.

Description

Brake of hydroelectric generating set

Technical Field

The utility model relates to the technical field of generator set brakes, in particular to a brake of a water turbine generator set.

Background

The hydraulic generator set is hydraulic power generating equipment consisting of a hydraulic turbine, a hydraulic generator and auxiliary equipment thereof, is core equipment of a hydropower station, ensures the smooth operation of the hydropower station, has the main function of a hydraulic generator set brake, timely brakes the hydraulic generator set when an accident happens, and is convenient to overhaul.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a brake of a hydroelectric generating set.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a hydroelectric set stopper, includes the chassis, the last fixed surface on chassis installs the hydro-cylinder, the output fixed mounting of hydro-cylinder has the mounting panel, the last fixed surface of mounting panel installs the brake block, the mounting hole has been seted up to the inside symmetry on chassis, the outer fixed surface of hydro-cylinder installs the lantern ring, the last fixed surface of the lantern ring installs the round shell, the lower fixed surface of mounting panel installs solid fixed ring, gu fixed ring's lower fixed surface installs annular baffle, annular baffle inserts the inside of establishing at the round shell, fixed mounting has the spring between the one end of mounting panel and the upper surface of the lantern ring is kept away from to annular baffle, the last surface symmetry on chassis is provided with hold-down mechanism.

In order to realize the isolation effect of the annular baffle, the utility model has the improvement that the fixed ring and the annular baffle are sleeved on the outer surface of the oil cylinder.

In order to improve the motion stability of the annular baffle plate, the utility model improves that the number of the springs is nine, and the nine groups of the springs are arranged in a circumferential equidistant manner.

In order to further improve the isolation effect of the annular baffle plate, the utility model has the improvement that the inner wall of the annular baffle plate is fixedly provided with a diaphragm.

In order to improve the stability of the oil cylinder in the installation process, the utility model improves the structure that the connecting part of the oil cylinder and the chassis is symmetrically provided with fixed blocks.

In order to prevent the bolt from loosening, the utility model improves that the pressing mechanism comprises an enlarged hole, the inside of the enlarged hole is rotatably connected with a pressing bolt, one end of the pressing bolt, which is far away from the base plate, is fixedly provided with a top disc, and the upper surface of the top disc is fixedly provided with a rotating piece.

In order to facilitate the rotation of a pressing bolt by a worker and improve the pressing effect of the pressing bolt, the utility model has the improvement that the rotating part is in a cross shape, one end of the pressing bolt, which is far away from the top disc, is fixedly provided with a rubber sheet, and the lower surface of the top disc is fixedly provided with a gasket.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, by arranging the annular baffle, under the auxiliary action of the lantern ring, the round shell and the fixing ring, the extending part of the oil cylinder can be isolated under the condition that the whole brake brakes the generator set, and the integral sealing isolation of the extending part of the oil cylinder can be realized by matching with the upper diaphragm, so that the penetration of moisture is avoided, and the normal use of the brake is ensured.

2. According to the utility model, by arranging the pressing mechanism, after the chassis is fixed by the mounting bolts, the mounting bolts are pressed and fixed for the second time through the enlarged holes and the pressing bolts, so that the phenomenon that the chassis is easily loosened due to huge vibration generated during the working of the brake in the working process of the brake is avoided, and the mounting stability of the chassis is ensured.

Drawings

Fig. 1 is a schematic perspective view of a brake of a hydroelectric generating set according to the present invention;

fig. 2 is an exploded view of a brake of a hydroelectric generating set according to the present invention;

FIG. 3 is an enlarged view of the portion A of the brake of the hydroelectric generating set according to the present invention;

FIG. 4 is a partial enlarged view of a hydroelectric generating set brake according to the present invention;

fig. 5 is a schematic view of the bottom structure of fig. 4 of a brake of a hydroelectric generating set according to the present invention.

Illustration of the drawings:

1. a chassis; 2. an oil cylinder; 3. mounting a plate; 4. a brake pad; 5. mounting holes; 6. a collar; 7. a round shell; 8. a fixing ring; 9. an annular baffle; 10. a spring; 11. a diaphragm; 12. enlarging the hole; 13. a hold-down bolt; 14. a top tray; 15. a rotating member; 16. a rubber sheet; 17. a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-5, the present invention provides a technical solution: a hydroelectric generating set brake comprises a chassis 1, wherein an oil cylinder 2 is fixedly arranged on the upper surface of the chassis 1, a mounting plate 3 is fixedly arranged at the output end of the oil cylinder 2, a brake block 4 is fixedly arranged on the upper surface of the mounting plate 3, mounting holes 5 are symmetrically formed in the chassis 1, a lantern ring 6 is fixedly arranged on the outer surface of the oil cylinder 2, a round shell 7 is fixedly arranged on the upper surface of the lantern ring 6, a fixing ring 8 is fixedly arranged on the lower surface of the mounting plate 3, an annular baffle 9 is fixedly arranged on the lower surface of the fixing ring 8, the annular baffle 9 is inserted in the round shell 7, the fixing ring 8 and the annular baffle 9 are both sleeved on the outer surface of the oil cylinder 2, a spring 10 is fixedly arranged between one end of the annular baffle 9, far away from the mounting plate 3, and the upper surface of the lantern ring 6, in the utility model, a group of lantern ring 6, round shell 7, fixing ring 8 and annular baffle 9 are additionally arranged on the basis of the original oil cylinder 2, when the oil cylinder 2 drives the brake block 4 to brake, the sealing and isolating effects on the extending part of the oil cylinder 2 are achieved, the situation that water seepage occurs inside the brake due to the particularity of the working environment in the working process of the brake is effectively avoided, and the service life of the brake is prolonged.

The number of the springs 10 is nine, the nine groups of springs 10 are arranged at equal intervals on the circumference, and the nine groups of springs 10 are arranged at equal intervals, so that on one hand, the stability of the annular baffle plate 9 in the motion process can be ensured, and on the other hand, the impact action of the brake block 4 in a moment of contact with the generator set can be reduced.

The inner wall fixed mounting of ring baffle 9 has diaphragm 11, has added a set of diaphragm 11 at the inner wall of ring baffle 9, can further improve ring baffle 9's prevention of seepage ability, and the junction symmetry of hydro-cylinder 2 and chassis 1 is provided with the fixed block, and two sets of fixed blocks mainly play the effect of consolidating stably.

The upper surface symmetry of chassis 1 is provided with hold-down mechanism, hold-down mechanism includes enlarged hole 12, the inside rotation of enlarged hole 12 is connected with clamp bolt 13, clamp bolt 13 keeps away from the one end fixed mounting of chassis 1 has top dish 14, the last fixed surface of top dish 14 installs rotation piece 15, the shape of rotation piece 15 is the cross, in the utility model, after utilizing mounting bolt to install fixedly to chassis 1, can realize compressing tightly fixedly the secondary of mounting bolt through the mating reaction of clamp bolt 13 and enlarged hole 12, thereby prevent to become flexible, and then avoid chassis 1 to take place not hard up easily, clamp bolt 13 keeps away from the one end fixed mounting of top dish 14 has sheet rubber 16, sheet rubber 16 can make whole pressing process more firm, the lower fixed surface of top dish 14 has packing ring 17, packing ring 17 then mainly can make things convenient for clamp bolt 13's connection.

The working principle is as follows: when the brake is installed, firstly, a worker fixedly installs the chassis 1 through the mounting bolt, then, the worker can align the pressing bolt 13 with the enlarged hole 12, then, the cross-shaped rotating piece 15 is slowly screwed, at the moment, the pressing bolt 13 slowly extends into the enlarged hole 12, when the brake moves to a final position, the pressing bolt 13 is firmly pressed on the mounting bolt, so that secondary fixation is realized on the whole chassis 1, when the brake is used for braking, at the moment, the oil cylinder 2 can drive the mounting plate 3 and the brake block 4 to move, when the mounting plate 3 moves, the fixing ring 8 and the annular baffle 9 can move along with the mounting plate 3, the annular baffle 9 can slowly extend out of the circular shell 7, the spring 10 can be stretched, the stretched spring 10 can provide a reverse force to ensure stable movement of the annular baffle 9, the annular baffle 9 can be used for isolating and covering the extending part of the output end of the oil cylinder 2 by matching with the diaphragm 11, and then the condition of preventing the inside infiltration of stopper appears, has prolonged the life of whole stopper.

Although the present invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hydroelectric set stopper, includes chassis (1), its characterized in that: an oil cylinder (2) is fixedly arranged on the upper surface of the chassis (1), an installation plate (3) is fixedly arranged at the output end of the oil cylinder (2), the upper surface of the mounting plate (3) is fixedly provided with a brake block (4), the inside of the chassis (1) is symmetrically provided with mounting holes (5), a lantern ring (6) is fixedly arranged on the outer surface of the oil cylinder (2), a round shell (7) is fixedly arranged on the upper surface of the lantern ring (6), the lower surface of the mounting plate (3) is fixedly provided with a fixing ring (8), the lower surface of the fixing ring (8) is fixedly provided with an annular baffle plate (9), the annular baffle (9) is inserted in the round shell (7), a spring (10) is fixedly mounted between one end, far away from the mounting plate (3), of the annular baffle (9) and the upper surface of the lantern ring (6), and pressing mechanisms are symmetrically arranged on the upper surface of the chassis (1).

2. The hydroelectric generating set brake as claimed in claim 1, wherein: the outer surface of the oil cylinder (2) is sleeved with the fixing ring (8) and the annular baffle plate (9).

3. The hydroelectric generating set brake as claimed in claim 1, wherein: the number of the springs (10) is nine, and the nine groups of the springs (10) are arranged in a circumferential equidistant mode.

4. The hydroelectric generating set brake as claimed in claim 1, wherein: and a diaphragm (11) is fixedly arranged on the inner wall of the annular baffle (9).

5. The hydroelectric generating set brake as claimed in claim 1, wherein: the connecting part of the oil cylinder (2) and the chassis (1) is symmetrically provided with fixed blocks.

6. The hydroelectric generating set brake as claimed in claim 1, wherein: the pressing mechanism comprises an expanding hole (12), a pressing bolt (13) is rotatably connected inside the expanding hole (12), a top disc (14) is fixedly mounted at one end, far away from the base disc (1), of the pressing bolt (13), and a rotating piece (15) is fixedly mounted on the upper surface of the top disc (14).

7. The hydroelectric generating set brake as claimed in claim 6, wherein: the shape of rotating piece (15) is the cross, the one end fixed mounting that top dish (14) was kept away from in housing bolt (13) has sheet rubber (16), the lower fixed surface of top dish (14) has packing ring (17).