CN214741801U

CN214741801U - Hydraulic generator brake signal feedback optimizing system

Info

Publication number: CN214741801U
Application number: CN202120834012.XU
Authority: CN
Inventors: 何山
Original assignee: Sichuan Huadian Mulihe Hydro Power Development Co ltd
Current assignee: Sichuan Huadian Mulihe Hydro Power Development Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-16
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a hydraulic generator brake signal feedback optimizing system includes the base, base one side fixed mounting has the installation piece, be equipped with supplementary elevating system on the installation piece, fixed mounting has mount pad one on the base, fixed mounting has the casing on the mount pad one, the inside bottom fixed mounting of casing has the two-way valve, the inside bottom fixed mounting of casing has four slide rails, four slide rail and shells inner wall fixed connection, adjacent two the contained angle is 90 degrees between the slide rail, be equipped with on the two-way valve and advance oil pipe and go out oil pipe, advance oil pipe with it all fixed running through to go out oil pipe the casing. The utility model discloses a set up supplementary elevating system and adopt the operation of oil body drive the device, can guarantee to move when the longer low rotational speed of unit, make the wearing and tearing of thrust tile reduce, can make the device's motion piece lubricated when the unit appears getting rid of the oil phenomenon simultaneously.

Description

Hydraulic generator brake signal feedback optimizing system

Technical Field

The utility model relates to a hydroelectric set stopper technical field especially relates to a hydraulic generator brake signal feedback optimizing system.

Background

The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. Modern water turbines are mostly installed in hydropower stations and are used for driving generators to generate electricity. In a hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity. The water after doing work is discharged to the downstream through the tail water pipeline. The higher the water head and the larger the flow, the larger the output power of the water turbine is. The problem that a thrust pad is abraded is caused due to long-time low-rotating-speed operation of the existing hydraulic turbine generator set in the shutdown process, and the oil throwing phenomenon can occur in the working process of the existing hydraulic turbine generator set, so that the safe and stable operation of the set is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the thrust bearing shoe wearing and tearing are serious among the prior art and make the unit can not the safety and stability operation owing to the oil phenomenon appears getting rid of, and the hydraulic generator brake signal feedback optimizing system who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a signal feedback optimization system for a brake of a hydraulic generator comprises a base, wherein one side of the base is fixedly provided with a mounting block, the mounting block is provided with an auxiliary lifting mechanism, the base is fixedly provided with a first mounting seat, the first mounting seat is fixedly provided with a shell, the bottom end in the shell is fixedly provided with a two-way valve, the bottom end in the shell is fixedly provided with four slide rails, the four slide rails are fixedly connected with the inner wall of the shell, an included angle between every two adjacent slide rails is 90 degrees, an oil inlet pipe and an oil outlet pipe are arranged on the two-way valve, the oil inlet pipe and the oil outlet pipe both fixedly penetrate through the shell, the oil inlet pipe and the oil outlet pipe are respectively positioned at two ends of the two-way valve, one end of the two-way valve far away from the mounting seat is provided with a sliding device, the sliding device is characterized in that one end, far away from the two-way valve, of the sliding device is provided with a top column, and one end, far away from the two-way valve, of the top column is provided with a top plate.

Preferably, supplementary elevating system includes the controller, controller and installation piece fixed connection, controller output shaft fixed mounting has pneumatic telescoping rod, pneumatic telescoping rod keeps away from the one end and the roof fixed connection of controller.

Preferably, slider includes the octagon spliced pole, traveller sliding connection in octagon spliced pole and the two-way valve, octagon spliced pole upper end is equipped with a plurality of support columns, a plurality of the one end fixed mounting that the octagon spliced pole was kept away from to the support column has pentagonal installation piece, the spread groove has been seted up to pentagonal installation piece upper end, spread groove and fore-set swing joint.

Preferably, the side wall of the octagonal connecting column is fixedly connected with four connecting columns, four supporting columns are fixedly provided with sliders at one ends far away from the octagonal connecting column, the four sliders are connected with the sliding rails in a sliding manner, and the four sliders are provided with clamping grooves.

Preferably, four the draw-in groove is arc, four the draw-in groove radius equals, fore-set bottom fixed mounting has the installation shell, four the draw-in groove and installation shell joint.

Preferably, the top plate is made of steel fibers, the top plate is provided with a plurality of layers, and the surface roughness of the top plate is 6.3.

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

1. the oil body is flushed into the two-way valve through the oil inlet pipe, under the action of the oil body, the oil body pushes the sliding column in the two-way valve to move upwards, so that the octagonal connecting column and the pentagonal mounting block are driven to move upwards, and the ejection column is driven to push the ejection plate;

2. when the two-way valve moves to start the controller, the controller controls the pneumatic telescopic rod to stretch and retract, so that the top plate moves, and the effect of assisting the top column is achieved;

3. when the unit works and oil throwing occurs, the oil body flows into the device because the device is not arranged in a sealing way, so that the moving parts in the device are lubricated.

Drawings

Fig. 1 is a schematic structural view of a signal feedback optimization system of a brake of a hydraulic generator according to the present invention;

FIG. 2 is a schematic structural view of the sliding device;

fig. 3 is a cross-sectional view of fig. 2.

In the figure: the device comprises a base 1, a mounting block 2, a mounting seat I3, a shell 4, a two-way valve 5, a sliding rail 6, an oil inlet pipe 7, an oil outlet pipe 8, a top column 9, a top plate 10, a controller 11, an air pressure telescopic rod 12, an eight-side connecting column 13, a supporting column 14, a five-side mounting block 15, a connecting groove 16, a connecting column 17, a sliding block 18, a clamping groove 19 and a mounting shell 20.

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, a hydraulic generator brake signal feedback optimization system, including base 1, base 1 one side fixed mounting has installation piece 2, be equipped with supplementary elevating system on installation piece 2, fixed mounting has first mount pad 3 on the base 1, fixed mounting has casing 4 on first mount pad 3, the inside bottom fixed mounting of casing 4 has two-way valve 5, the inside bottom fixed mounting of casing 4 has four slide rails 6, four

slide rails

6 and 4 inner wall fixed connection of casing, the contained angle is 90 degrees between two adjacent slide rails 6, be equipped with into oil pipe 7 and play oil pipe 8 on the two-way valve 5, it all fixedly runs through casing 4 to advance oil pipe 7 and play oil pipe 8, it is located two-way valve 5 both ends respectively to advance oil pipe 7 and play oil pipe 8, the one end that first mount pad 3 was kept away from to two-way valve 5 of two-way valve 5 is equipped with slider, the one end that two-way valve 5 was kept away from to slider is equipped with fore-set 9, the one end that two-way valve 5 was kept away from to fore-way valve 9 is equipped with roof 10.

Supplementary elevating system includes controller 11, controller 11 and installation piece 2 fixed connection, and 11 output shafts of controller fixed mounting have air telescopic rod 12, and air telescopic rod 12 keeps away from controller 11's one end and roof 10 fixed connection, sets up supplementary elevating gear and can play certain cushioning effect when the long-time low rotational speed operation of unit to make the wearing and tearing of thrust tile reduce.

The sliding device comprises an octagonal connecting column 13, sliding columns are slidably connected in the octagonal connecting column 13 and the two-way valve 5, a plurality of supporting columns 14 are arranged at the upper end of the octagonal connecting column 13, one ends of the supporting columns 14 far away from the octagonal connecting column 13 are fixedly provided with pentagonal installation blocks 15, connecting grooves 16 are formed in the upper ends of the pentagonal installation blocks 15, the connecting grooves 16 are movably connected with the top column 9, and the pentagonal installation blocks 15 and the octagonal connecting column 13 are fixedly connected to ensure that the device can enable the top column 9 to effectively push the top plate 10.

Four spliced poles 17 of octagon spliced pole 13 lateral wall fixedly connected with, four spinal branch daggers 14 keep away from octagon spliced pole 13 one end fixed mounting have slider 18, four sliders 18 and slide rail 6 sliding connection, have seted up draw-in groove 19 on four sliders 18, set up draw-in groove 19 on four sliders 18, can carry out the joint with installation shell 20 and draw-in groove 19 to make the stable operation of fore-set 9.

Four draw-in grooves 19 are arc-shaped, and the radius of four draw-in grooves 19 equals, and 9 bottom fixed mounting of fore-set has installation shell 20, and four draw-in grooves 19 and installation shell 20 joint set up that the radius of four draw-in grooves 19 is the same can ensure draw-in grooves 19 and installation shell 20 joint to make its effectual operation.

Steel fibre is chooseed for use to roof 10 material, and roof 10 sets up a plurality of layers, and roof 10 roughness sets up to 6.3, because roof 10 and rotor contact, consequently roof 10 chooses for use the steel fibre material that roughness is 6.3 to avoid roof 10 and rotor to appear skidding the phenomenon, has improved work efficiency greatly.

The utility model discloses an advance oil pipe 7 and wash into the oil body in to two-way valve 5, under the effect of the oil body, the oil body will promote the traveller upward movement in the two-way valve 5, thereby drive octagon spliced pole 13 and the 15 upward movements of pentagonal installation piece, thereby order about fore-set 9 and promote roof 10, the device adopts oil body drive mechanical motion to compare in traditional more stable, make start control ware 11 when two-way valve 5 motion, 11 control pneumatic telescoping rod 12 of controller stretch out and draw back, thereby make roof 10 move, thereby the effect of supplementary fore-set 9 has been reached, when the longer low rotational speed of group moves, because pneumatic telescoping rod 12's buffer function, can further guarantee the wearing and tearing of thrust tile and reduce.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The signal feedback optimization system for the brake of the hydraulic generator comprises a base (1) and is characterized in that an installation block (2) is fixedly installed on one side of the base (1), an auxiliary lifting mechanism is arranged on the installation block (2), a first installation seat (3) is fixedly installed on the base (1), a shell (4) is fixedly installed on the first installation seat (3), a two-way valve (5) is fixedly installed at the bottom end inside the shell (4), four sliding rails (6) are fixedly installed at the bottom end inside the shell (4), the four sliding rails (6) are fixedly connected with the inner wall of the shell (4), the included angle between the two adjacent sliding rails (6) is 90 degrees, an oil inlet pipe (7) and an oil outlet pipe (8) are arranged on the two-way valve (5), the oil inlet pipe (7) and the oil outlet pipe (8) are both fixedly penetrated through the shell (4), advance oil pipe (7) with go out oil pipe (8) and be located two-way valve (5) both ends respectively, the one end that mount pad (3) were kept away from in two-way valve (5) is equipped with slider, the one end that slider kept away from two-way valve (5) is equipped with fore-set (9), the one end that two-way valve (5) were kept away from in fore-set (9) is equipped with roof (10).

2. The signal feedback optimization system for the brake of the hydraulic generator according to claim 1, wherein the auxiliary lifting mechanism comprises a controller (11), the controller (11) is fixedly connected with the mounting block (2), an output shaft of the controller (11) is fixedly provided with a pneumatic telescopic rod (12), and one end, far away from the controller (11), of the pneumatic telescopic rod (12) is fixedly connected with the top plate (10).

3. The signal feedback optimization system for the brake of the hydro-generator according to claim 1, wherein the sliding device comprises an eight-side connecting column (13), the eight-side connecting column (13) is in sliding connection with a sliding column in the two-way valve (5), a plurality of supporting columns (14) are arranged at the upper end of the eight-side connecting column (13), a plurality of pentagonal mounting blocks (15) are fixedly mounted at one ends, away from the eight-side connecting column (13), of the supporting columns (14), connecting grooves (16) are formed in the upper ends of the pentagonal mounting blocks (15), and the connecting grooves (16) are movably connected with the top column (9).

4. The signal feedback optimization system for the brake of the hydro-generator according to claim 3, wherein four connecting columns (17) are fixedly connected to the side walls of the eight-side connecting columns (13), a sliding block (18) is fixedly mounted at one end, away from the eight-side connecting columns (13), of each of the four supporting columns (14), the four sliding blocks (18) are slidably connected with the sliding rail (6), and clamping grooves (19) are formed in the four sliding blocks (18).

5. The signal feedback optimization system for the brake gate of the hydraulic generator according to claim 4, wherein the four clamping grooves (19) are all arc-shaped, the radiuses of the four clamping grooves (19) are equal, an installation shell (20) is fixedly installed at the bottom of the top column (9), and the four clamping grooves (19) are connected with the installation shell (20) in a clamped mode.

6. The signal feedback optimization system for the brake gate of the hydraulic generator according to claim 1, wherein the top plate (10) is made of steel fibers, the top plate (10) is provided with a plurality of layers, and the surface roughness of the top plate (10) is set to be 6.3.