CN212985437U

CN212985437U - Guide vane sleeve of hydraulic generator convenient to install

Info

Publication number: CN212985437U
Application number: CN202021993213.6U
Authority: CN
Inventors: 梁露漪
Original assignee: Hangzhou Baizhang Machinery Casting Co ltd
Current assignee: Hangzhou Baizhang Machinery Casting Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-16
Anticipated expiration: 2030-09-14

Abstract

The utility model belongs to the technical field of hydraulic generator stator sleeve, especially, be a hydraulic generator stator sleeve convenient to installation, including sleeve and clamping screw, telescopic inboard is fixed with movable stator, and installs the gland in the telescopic outside to the inboard of gland is connected with adjusting bolt, adjusting bolt's below is connected with the base, and the outside of base installs the screw to the below of base is fixed with the top cap, annular sealing member is installed in the telescopic outside, and telescopic top is connected with clamping screw to fixing bolt's top is fixed with the go-between, clamping screw connects in the inboard of go-between, the top of second connecting rod is connected with fixation nut, and fixation nut's below is fixed with the horizontal pole, the fixed axle is installed to the top of activity stator. The hydraulic generator guide vane sleeve convenient to install can realize quick installation in the use, and clearance between the sealed guide vane sleeve that can be better is conveniently dismantled and is overhauld.

Description

Guide vane sleeve of hydraulic generator convenient to install

Technical Field

The utility model relates to a hydraulic generator stator sleeve technical field specifically is a hydraulic generator stator sleeve convenient to installation.

Background

In the assembling process of the water distributor of the hydraulic generator, the installation of the guide vane sleeve is an important link, and when the movable guide vane of the hydraulic generator is in interference fit with the sleeve, the movable guide vane and the sleeve need to be overhauled and disassembled.

However, the existing guide vane sleeve of the hydraulic generator cannot be simply installed in the using process, the guide vane sleeve cannot be well sealed, a very small gap is formed between the guide vane sleeve and the top cover, and the guide vane sleeve cannot be conveniently disassembled and maintained when the hydraulic generator needs to be disassembled and maintained.

To sum up, current hydraulic generator stator sleeve has the stator sleeve of installing simply not when using, and the sealed and the inconvenient dismantlement of stator sleeve that the stator sleeve can not be fine of stator sleeve overhauls. Aiming at the problems, innovative design is urgently needed on the basis of the original hydraulic generator guide vane sleeve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic generator stator sleeve convenient to installation to provide the hydraulic generator stator sleeve of current installation of being convenient for among the solution above-mentioned background art, can not simply install the stator sleeve, the stator sleeve can not be fine sealed and the inconvenient dismantlement problem of overhauing of stator sleeve.

In order to achieve the above object, the utility model provides a following technical scheme: a guide vane sleeve of a hydraulic generator convenient to install comprises a sleeve and a fixed screw rod, wherein a movable guide vane is fixed on the inner side of the sleeve, a gland is installed on the outer side of the sleeve, and the inner side of the gland is connected with an adjusting bolt, the lower part of the adjusting bolt is connected with a base, the outer side of the base is provided with a screw hole, a top cover is fixed below the base, an annular sealing element is arranged on the outer side of the sleeve, a fixing bolt is connected above the sleeve, and a connecting ring is fixed above the fixing bolt, the fixing screw rod is connected with the inner side of the connecting ring, the outer side of the fixing screw rod is connected with a first connecting rod, a second connecting rod is fixed above the first connecting rod, a fixing nut is connected above the second connecting rod, and a cross rod is fixed below the fixing nut, a fixing shaft is installed above the movable guide vane, and a jack is fixed above the fixing shaft.

Preferably, the gland is in threaded connection with the adjusting bolt, the adjusting bolt is provided with 2 groups, and the adjusting bolt is symmetrically arranged around the center of the sleeve.

Preferably, the screw holes are arranged at equal angles relative to the central line of the base, and the screw holes are in threaded connection with the adjusting bolts.

Preferably, the annular sealing element is attached to the sleeve, and the sleeve is in clearance fit with the gland.

Preferably, the fixing bolt is in threaded connection with the sleeve, the fixing bolt is in welded connection with the connecting ring, the connecting ring is in clamping connection with the fixing screw rod, and the fixing screw rod is in threaded connection with the first connecting rod.

Preferably, the second connecting rod is in threaded connection with the fixing nut, and the second connecting rod is provided with 2 groups, and the second connecting rod is arranged symmetrically with respect to the center of the cross rod.

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

1. when the guide vane sleeve needs to be installed, the movable guide vane is placed above the sleeve and is pushed into the sleeve in a sliding manner, the top cover and the gland are installed on the outer side of the sleeve, and the position of the base is fixed through the adjusting bolt;

2. when a gap between guide vane sleeves of the hydraulic generator needs to be sealed, the annular sealing piece is attached to the sleeves, the bottom of the annular sealing piece is arranged on the upper surface of the top cover, the annular sealing piece is sealed with the sleeves, and the annular sealing piece is sealed with the top cover, so that a space which can only be communicated with the sleeves and the top cover is formed by the annular sealing piece, the gap between the sleeves and the top cover is separated from the outside through the annular sealing piece, external water cannot enter the gap between the sleeves and the top cover and the inside of the top cover due to the sealing of the annular sealing piece, the gland is arranged on the outer surface of the sleeves, and compresses the annular sealing piece to enable the annular sealing piece to tightly lean against the sleeves and the top cover, and the;

3. when the guide vane sleeve of the hydraulic generator needs to be detached and overhauled, the fixing bolt is fixed above the sleeve, the first connecting rod is fixed below the second connecting rod, the fixing screw rod enters into the inserting connecting ring from one side of the first connecting rod in a rotating mode to fix the position of the first connecting rod, the cross rod is fixed on the second connecting rod through the fixing nut, the fixing shaft is installed on the movable guide vane, the jack is fixed on the fixing shaft, the piston of the jack extends out to enable the cross rod to be jacked and lifted upwards, the sleeve is driven to lift upwards along the fixing shaft, and the sleeve can be taken out conveniently.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic diagram of the top view structure of the base of the present invention.

In the figure: 1. a sleeve; 2. a movable guide vane; 3. a gland; 4. adjusting the bolt; 5. a base; 6. a screw hole; 7. a top cover; 8. an annular seal; 9. fixing the bolt; 10. a connecting ring; 11. fixing the screw rod; 12. a first connecting rod; 13. a second connecting rod; 14. fixing a nut; 15. a cross bar; 16. a fixed shaft; 17. a jack.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a guide vane sleeve of a hydraulic generator convenient to install comprises a sleeve 1, a movable guide vane 2, a gland 3, an adjusting bolt 4, a base 5, a screw hole 6, a top cover 7, an annular sealing piece 8, a fixing bolt 9, a connecting ring 10, a fixing screw rod 11, a first connecting rod 12, a second connecting rod 13, a fixing nut 14, a cross rod 15, a fixing shaft 16 and a jack 17, wherein the movable guide vane 2 is fixed on the inner side of the sleeve 1, the gland 3 is installed on the outer side of the sleeve 1, the adjusting bolt 4 is connected on the inner side of the gland 3, the base 5 is connected below the adjusting bolt 4, the screw hole 6 is installed on the outer side of the base 5, the top cover 7 is fixed below the base 5, the annular sealing piece 8 is installed on the outer side of the sleeve 1, the fixing bolt 9 is connected above the sleeve 1, the connecting ring 10 is fixed above the fixing bolt 9, the fixing, a first connecting rod 12 is connected to the outer side of the fixed screw 11, a second connecting rod 13 is fixed above the first connecting rod 12, a fixed nut 14 is connected above the second connecting rod 13, a cross rod 15 is fixed below the fixed nut 14, a fixed shaft 16 is installed above the movable guide vane 2, and a jack 17 is fixed above the fixed shaft 16;

the gland 3 is in threaded connection with the adjusting bolt 4, 2 groups of adjusting bolts 4 are arranged, and the adjusting bolts 4 are symmetrically arranged relative to the center of the sleeve 1, so that the positions of the gland 3 and the adjusting bolt 4 are fixed through threaded connection;

the screw holes 6 are arranged at equal angles relative to the central line of the base 5, and the screw holes 6 are in threaded connection with the adjusting bolts 4, so that the base 5 is fixed in position through threaded connection between the adjusting bolts 4 and the screw holes 6;

the annular sealing element 8 is in fit connection with the sleeve 1, and the sleeve 1 is in clearance fit with the gland 3, so that the annular sealing element 8 seals a clearance between the sleeves 1;

the fixing bolt 9 is in threaded connection with the sleeve 1, the fixing bolt 9 is in welded connection with the connecting ring 10, the connecting ring 10 is in clamping connection with the fixing screw 11, meanwhile, the fixing screw 11 is in threaded connection with the first connecting rod 12, the connecting ring 10 can be fixed on the sleeve 1 through the fixing bolt 9, the first connecting rod 12 is fixed with the connecting ring 10 through the fixing screw 11, and the connecting ring 10 is convenient to take down when not in use;

second connecting rod 13 and fixation nut 14 are threaded connection, and second connecting rod 13 is provided with 2 groups to second connecting rod 13 is around the central symmetry setting of horizontal pole 15, has realized stretching out through the piston of jack 17 and withstands horizontal pole 15 to rise, takes sleeve 1 to rise, conveniently takes out.

The working principle is as follows: when the device is used, firstly, the movable guide vane 2 is arranged in the sleeve 1 in a sliding mode, and the position of the base 5 is fixed through the adjusting bolt 4;

when the guide vane sleeve of the hydraulic generator needs to be installed, the movable guide vane 2 is placed above the sleeve 1 and is pushed into the sleeve 1 in a sliding mode, the top cover 7 and the gland 3 are installed on the outer side of the sleeve 1, and the position of the base 5 is fixed through the adjusting bolt, so that the guide vane sleeve is installed simply;

when a gap between guide vane sleeves of the hydraulic generator needs to be sealed, the annular sealing piece 8 is attached to the sleeve 1, the bottom of the annular sealing piece 8 is arranged on the upper surface of the top cover 7, the annular sealing piece 8 is sealed with the sleeve 1, the annular sealing piece 8 is sealed with the top cover 7, so that the annular sealing piece 8, the sleeve 1 and the top cover 7 form a space which can only be communicated with the gap between the sleeve 1 and the top cover 7, the gap between the sleeve 1 and the top cover 7 is separated from the outside through the annular sealing piece 8, external water cannot enter the gap between the sleeve 1 and the top cover 7 and the inside of the top cover 7 due to the sealing of the annular sealing piece 8, the gland 3 is arranged on the outer surface of the sleeve 1, the annular sealing piece 8 is pressed by the gland 3, the annular sealing piece 8 tightly leans against the sleeve 1 and the top cover;

when the guide vane sleeve of the hydraulic generator needs to be disassembled and overhauled, the fixing bolt 9 is fixed above the sleeve 1, the first connecting rod 12 is fixed below the second connecting rod 13, the fixing screw rod 11 enters the connecting ring 10 from one side of the first connecting rod 12 in a rotating mode to fix the position of the first connecting rod, the cross rod 15 is fixed on the second connecting rod 13 through the fixing nut 14, the fixing shaft 16 is installed on the movable guide vane 2, the jack 17 is fixed on the fixing shaft 16, the piston of the jack 17 extends out to enable the cross rod 15 to be jacked upwards, the sleeve 1 is driven to ascend upwards along the fixing shaft 16, and the guide vane sleeve is convenient to disassemble and overhaul.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic generator stator sleeve convenient to installation, includes sleeve (1) and clamping screw (11), its characterized in that: the inner side of the sleeve (1) is fixed with a movable guide vane (2), the outer side of the sleeve (1) is provided with a gland (3), the inner side of the gland (3) is connected with an adjusting bolt (4), the lower part of the adjusting bolt (4) is connected with a base (5), the outer side of the base (5) is provided with a screw hole (6), the lower part of the base (5) is fixed with a top cover (7), the outer side of the sleeve (1) is provided with an annular sealing element (8), the upper part of the sleeve (1) is connected with a fixing bolt (9), the upper part of the fixing bolt (9) is fixed with a connecting ring (10), a fixing screw rod (11) is connected with the inner side of the connecting ring (10), the outer side of the fixing screw rod (11) is connected with a first connecting rod (12), a second connecting rod (13) is fixed above the first connecting rod (12), and a fixing nut (14) is connected, and a cross rod (15) is fixed below the fixed nut (14), a fixed shaft (16) is installed above the movable guide vane (2), and a jack (17) is fixed above the fixed shaft (16).

2. The turbine generator guide vane sleeve convenient to install of claim 1, characterized in that: the gland (3) is in threaded connection with the adjusting bolt (4), the adjusting bolt (4) is provided with 2 groups, and the adjusting bolt (4) is symmetrically arranged relative to the center of the sleeve (1).

3. The turbine generator guide vane sleeve convenient to install of claim 1, characterized in that: the screw holes (6) are arranged at equal angles relative to the central line of the base (5), and the screw holes (6) are in threaded connection with the adjusting bolts (4).

4. The turbine generator guide vane sleeve convenient to install of claim 1, characterized in that: the annular sealing element (8) is attached to the sleeve (1), and the sleeve (1) is in clearance fit with the gland (3).

5. The turbine generator guide vane sleeve convenient to install of claim 1, characterized in that: the fixing bolt (9) is in threaded connection with the sleeve (1), the fixing bolt (9) is in welded connection with the connecting ring (10), the connecting ring (10) is in clamping connection with the fixing screw (11), and meanwhile the fixing screw (11) is in threaded connection with the first connecting rod (12).

6. The turbine generator guide vane sleeve convenient to install of claim 1, characterized in that: the second connecting rod (13) is in threaded connection with the fixing nut (14), the second connecting rod (13) is provided with 2 groups, and the second connecting rod (13) is symmetrically arranged relative to the center of the cross rod (15).