CN205423035U

CN205423035U - Novel trailing type hydraulic turbine oil -supply head

Info

Publication number: CN205423035U
Application number: CN201520905835.1U
Authority: CN
Inventors: 赖凌云; 杨玲
Original assignee: Emeishan Jiannan Hydropower Equipment Manufacturing Co Ltd
Current assignee: Emeishan Jiannan Hydropower Equipment Manufacturing Co Ltd
Priority date: 2015-11-16
Filing date: 2015-11-16
Publication date: 2016-08-03
Anticipated expiration: 2025-11-16

Abstract

The utility model discloses a novel trailing type hydraulic turbine oil -supply head, its characterized in that: advance oil pipe, displacement sensor six boards branch including oil -supply head cover, the oil -supply head body, operating oil pipe, stroke feedback pole, operating chamber, the oil -supply head body is fixed on operating oil pipe with stroke feedback pole, the voltol oil advances the oil pipe oiling through operating chamber and through oil -supply head body entering operation oil pipe, finally gets into the blade operating chamber in the runner hub, the angle of runner bucket is passed through operating oil pipe and is driven the stroke feedback pole removal on the oil -supply head body to the angle of laying that finally reflects paddle reality through displacement sensor. The utility model has the advantage of simple and novel structure, installation convenient to use, energy -conservation, environmental protection, work efficiency are high, safe, non -maintaining, and the saving running cost is a big innovation of hydraulic turbine oil -supply head, has good economic nature.

Description

Novel trailing type turbine oil receptor

Technical field

This utility model relates to a kind of novel trailing type turbine oil receptor, is specifically a kind of novel trailing type oil head of Kaplan turbine.

Background technology

Domestic a lot of rotary propeller type unit hydroelectric station, owing to turbine oil receptor floating-bush wear extent in running of traditional structure is bigger, gap between floating-bush and operating oil line is strengthened, and hydraulic oil leaks in a large number, causes governor oil pressure device oil pump frequent starting.On the one hand causing hydraulic oil leakage rate to increase because of hydraulic turbine tradition oil head floating-bush serious wear, the oil pump of oil gear is greatly reduced its service life because of frequent starting；On the other hand hydraulic oil leakage rate is caused to increase because of hydraulic turbine tradition oil head floating-bush serious wear, it would be possible to occur that rotary wheel of water turbine blade cannot operate the phenomenon of blade because of decompression, time serious, the safe and stable operation in power station can be brought grave danger.Due to main shaft seal leak serious after by directly the safe and stable operation of turbine-generator units being brought threat, add accident potential, maintenance workload also increases, and frequent shutdown is safeguarded will the huge economic loss of band caller station.For improving the safety and reliability of turbine-generator units, meet power station safe operation requirement, it is necessary to ensure that the high reliability of oil head.It is thus desirable to turbine oil receptor structure is optimized further, reduce abrasion and leakage of oil amount, increase reliability, it is ensured that disclosure satisfy that the use requirement that the long-time normal safe in power station runs.

Utility model content

The purpose of this utility model suppresses strength, floating-bush serious wear when being to overcome installation present on existing most of rotary propeller type unit tradition oil receiver structure, leakage of oil amount is big, service life is short, a difficult problem for frequent shutdown repair and maintenance; provide a kind of novel trailing type turbine oil receptor; realize that structure design is upper weares and teares to oil head and the conservative control of leakage of oil amount, substantially reduce the leakage of oil amount of oil head; guarantee the reliability that oil head works; realize unit normal safe stable operation, the final safety and reliability improving turbine-generator units.

This utility model is based on the operative practice of existing turbine-generator units, by existing hydraulic turbine tradition oil receiver structure is analyzed and optimizes and be verified in real machine test, a kind of trailing type turbine oil receptor that final optimization pass is designed, it is optimized for moving axially and relatively rotating between former floating-bush and operating oil line only retaining the design philosophy relatively rotating, abrasion is reduced by reducing the quantity of motion between bearing and operating oil line, thus be finally reached the gap controlled therebetween, and then control leakage of oil amount therebetween.This apparatus structure is simple, safe, non-maintaining, reliability is high, saves operating cost.

This utility model is realized in, construct a kind of novel trailing type turbine oil receptor, it is characterised in that: this novel trailing type turbine oil receptor includes oil head cover, oil head body, operating oil line, travel feedback bar, operating cavity oil inlet pipe, displacement transducer six part；Oil head body and travel feedback bar are fixed on operating oil line.Hydraulic oil stands oil body by operating cavity oil inlet pipe oiling and enters operating oil line, eventually enters into the vane operation chamber in web.The angle of runner bucket drives the travel feedback bar on oil head body to move by operating oil line, and eventually through displacement transducer reflect blade actual lay angle.

Of the present utility model it is advantageous in that: by improving and optimizating, a kind of novel trailing type turbine oil receptor is provided at this, this utility model overcomes and suppresses strength when installing present on most of rotary propeller type unit tradition oil receiver structure, floating-bush serious wear, leakage of oil amount is big, service life is short, a difficult problem for frequent shutdown repair and maintenance, provide a kind of novel trailing type turbine oil receptor, realize in structure design oil head abrasion and the conservative control of leakage of oil amount, substantially reduce the leakage of oil amount of oil head, guarantee the reliability that oil head works, realize unit normal safe stable operation, the final safety and reliability improving turbine-generator units.

One described in the utility model novel trailing type turbine oil receptor, design principle is advanced, simple in construction, connection and reasonable arrangement, and reliability is high, and operating cost is cheap, it is achieved that turbine oil receptor high reliability.This utility model reliability is high, and safety is good, energy-saving effect and remarkable in economical benefits, it is achieved that maximally utilizing of water energy clean energy resource, great popularization.

Accompanying drawing explanation

Fig. 1 is this utility model trailing type turbine oil receptor schematic diagram

Fig. 2 is displacement transducer position view in this utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing 1-2, this utility model is described in detail, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

The purpose of this utility model suppresses strength, floating-bush serious wear when being to overcome installation present on most of rotary propeller type unit tradition oil receiver structure, leakage of oil amount is big, service life is short, a difficult problem for frequent shutdown repair and maintenance; provide a kind of novel trailing type turbine oil receptor; realize that structure design is upper weares and teares to oil head and the conservative control of leakage of oil amount, substantially reduce the leakage of oil amount of oil head; guarantee the reliability that oil head works; realize unit normal safe stable operation, the final safety and reliability improving turbine-generator units.

One described in the utility model novel trailing type turbine oil receptor, as shown in Figure 1-2, can be practiced as follows；This novel trailing type turbine oil receptor includes oil head cover 1, oil head body 2, operating oil line 3, travel feedback bar 4, operating cavity oil inlet pipe 5, displacement transducer 6 six part；Oil head body 2 and travel feedback bar 4 are fixed on operating oil line 3.Hydraulic oil stands oil body 2 by operating cavity oil inlet pipe oiling and enters operating oil line 3, eventually enters into the vane operation chamber in web.The angle of runner bucket drive the travel feedback bar 4 on oil head body 2 to move by operating oil line 3 and reflect eventually through displacement transducer 6 blade actual lay angle.

First, during hydraulic turbine operation oil gear pressure oil by operating cavity oil inlet pipe 5 stand oil body 2 enter operating oil line 3 operation oil pocket and eventually arrive in web blade plunger shaft in.

Secondly, during unit is properly functioning, speed regulator operation blade is allowed to rotate to adapt to the current under various operating mode, and at this moment operating oil line 3 moves axially up and down because blade rotates.In the process, it is combined as a whole with operating oil line 3 by oil head body 2 because structure designs, therefore it links to following operating oil line 3, without moving to axial, only relatively rotates.

Finally, the oil head body 2 being fixed on operating oil line 3 drive travel feedback bar 4 thereon to move and eventually through displacement transducer 6 to reflect blade actual lay angle.

This utility model is by improving and optimizating, a kind of novel trailing type turbine oil receptor is provided at this, design principle is advanced, simple in construction, connection and reasonable arrangement, operating cost is cheap, it is achieved in design to oil head wear extent and the conservative control of leakage of oil amount, substantially reduce leakage of oil amount, it is ensured that the reliability of oil head.This utility model reliability is high, and safety is good, energy-saving effect and remarkable in economical benefits, it is achieved that maximally utilizing of water energy clean energy resource, great popularization.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.Multiple amendment to these embodiments will be apparent from for those skilled in the art, and generic principles defined herein can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.

Claims

1. a novel trailing type turbine oil receptor, it is characterised in that: this novel trailing type turbine oil receptor includes oil head cover (1), oil head body (2), operating oil line (3), travel feedback bar (4), operating cavity oil inlet pipe (5), displacement transducer (6) six part；Oil head body (2) and travel feedback bar (4) are fixed on operating oil line (3)；Hydraulic oil stands oil body (2) by operating cavity oil inlet pipe oiling and enters operating oil line (3), eventually enters into the vane operation chamber in web；The angle of runner bucket drives the travel feedback bar (4) on oil head body (2) mobile by operating oil line (3), and eventually through displacement transducer (6) reflect blade actual lay angle.