CN214787785U

CN214787785U - Water turbine main shaft copper bush

Info

Publication number: CN214787785U
Application number: CN202120053258.3U
Authority: CN
Inventors: 王东帅; 刘永; 蔡杨; 蔡平
Original assignee: ZHEJIANG YONGCHENG MACHINERY CO Ltd
Current assignee: ZHEJIANG YONGCHENG MACHINERY CO Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-11-19
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a hydraulic turbine main shaft copper sheathing, including first fixed block and second fixed block, one side of first fixed block is provided with first solid fixed ring, the second fixed block is close to one side of first solid fixed ring is provided with the solid fixed ring of second, the second fixed block is close to the inside of first solid fixed ring one side is provided with first seal groove, first fixed block is close to the inside of first solid fixed ring one side is provided with the second seal groove. The utility model discloses an inside inserting the activity hole with the bolt, the external screw thread through the bolt outside and the inboard internal thread of screw hole mutually support, fix first solid fixed ring and second fixed block, fix solid fixed ring and first fixed block of second, make the installation of copper sheathing more firm, protect first solid fixed ring's inboard through first waterproof layer and first wearing layer, protect the solid fixed ring's of second outside through second waterproof layer and second wearing layer, make the result of use of copper sheathing better.

Description

Water turbine main shaft copper bush

Technical Field

The utility model relates to a copper sheathing technical field specifically is a hydraulic turbine main shaft copper sheathing.

Background

The water turbine is a power machine for converting the energy of water flow into rotary mechanical energy, the water turbine and the auxiliary machine are important hydroelectric equipment, are indispensable components in the hydroelectric power industry, are important equipment for fully utilizing clean renewable energy to realize energy conservation, emission reduction and environmental pollution reduction, the technical development of the equipment is suitable for the development scale of the hydroelectric power industry in China, and a main shaft copper sleeve in the water turbine is one of main components.

Most of current main shaft copper sheathing structures are comparatively simple, and are relatively poor with the installation effect of hydraulic turbine main shaft, lead to lower to the work efficiency of main shaft copper sheathing installation, inconvenient people's use, and the installation of main shaft copper sheathing is firm inadequately, and is relatively poor to the protectiveness of copper sheathing, influences the life of main shaft copper sheathing, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic turbine main shaft copper sheathing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water turbine spindle copper sleeve comprises a first fixing block and a second fixing block, wherein a first fixing ring is arranged on one side of the first fixing block, a second fixing ring is arranged on one side, close to the first fixing ring, of the second fixing block, a first sealing groove is formed in the inner portion, close to one side of the first fixing ring, of the second fixing block, a second sealing groove is formed in the inner portion, close to one side of the first fixing ring, of the first fixing block, a first waterproof layer is arranged on the inner side of the first fixing ring, a first wear-resistant layer is arranged on the inner side of the first waterproof layer, a second waterproof layer is arranged on the outer side of the second fixing ring, a second wear-resistant layer is arranged on the outer side of the second waterproof layer, a plurality of groups of fixing holes are formed in the sides, far away from the first fixing ring, of the first fixing block and the first fixing ring, movable holes penetrating through the first sealing groove and the second sealing groove are formed in the fixing holes, the first solid fixed ring and the solid fixed ring of second are inside to be close to one side in activity hole all is provided with the screw hole, the inside in activity hole is provided with the bolt that runs through to the screw hole inside, the inside of first seal groove and second seal groove all is provided with sealed the pad.

Preferably, first solid fixed ring and first fixed block welded connection, the solid fixed ring of second and second fixed block welded connection, first solid fixed ring can be dismantled through first seal groove and second fixed block and be connected, the solid fixed ring of second can be dismantled through second seal groove and first fixed block and be connected, sealed pad is through first seal groove and second fixed block fixed connection, sealed pad is through second seal groove and first fixed block fixed connection.

Preferably, the bolt can be dismantled with first fixed block through the activity hole and be connected, the bolt can be dismantled with the second fixed block through the activity hole and be connected, the activity hole is close to the inside one end of fixed orifices is provided with the turning block, the inside of sealed pad is provided with the multiunit through-hole.

Preferably, the bolt is close to the outside of screw hole one end is provided with the external screw thread, the inside of screw hole be provided with bolt phase-match internal thread, the bolt passes through screw hole and first solid fixed ring threaded connection, the bolt passes through screw hole and the solid fixed ring threaded connection of second.

Preferably, the first fixing ring is fixedly connected with the second fixing block through a threaded hole and a bolt, the second fixing ring is fixedly connected with the second sealing groove through a threaded hole and a bolt, the second waterproof layer is fixedly connected with the second fixing ring through glue, and the first waterproof layer is fixedly connected with the first fixing ring through glue.

Preferably, the middle positions inside the first fixing block and the second fixing block are provided with mounting holes, and the number of the fixing holes is four.

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

1. the utility model discloses a first seal groove with first solid fixed ring card go into inside the second fixed block, go into the first fixed block with the second solid fixed ring card through the second seal groove inside the first fixed block, seal first solid fixed ring and second solid fixed ring through the sealed pad, fix the main shaft through the through-hole inside first fixed block and the second fixed block, the fixed effect to the copper sheathing is better, has improved the work efficiency of main shaft copper sheathing installation, makes things convenient for people's use;

2. the utility model discloses an inside inserting the activity hole with the bolt, the external screw thread through the bolt outside and the inboard internal thread of screw hole mutually support, fix first solid fixed ring and second fixed block, fix solid fixed ring and first fixed block of second, make the installation of copper sheathing more firm, protect first solid fixed ring's inboard through first waterproof layer and first wearing layer, protect the solid fixed ring's of second outside through second waterproof layer and second wearing layer, make the result of use of copper sheathing better, the practicality of copper sheathing has been improved.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is an enlarged view of the present invention a.

Fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a first fixed block; 2. a second fixed block; 3. a first retaining ring; 4. a second retaining ring; 5. a first seal groove; 6. a second seal groove; 7. a first waterproof layer; 8. a first wear resistant layer; 9. a second waterproof layer; 10. a second wear layer; 11. a fixing hole; 12. a movable hole; 13. a threaded hole; 14. a bolt; 15. and a gasket.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 an embodiment of a copper sleeve for a water turbine main shaft: a water turbine spindle copper bush comprises a first fixing block 1 and a second fixing block 2, wherein a first fixing ring 3 is arranged on one side of the first fixing block 1, a second fixing ring 4 is arranged on one side, close to the first fixing ring 3, of the second fixing block 2, a first sealing groove 5 is formed in the inner portion, close to the first fixing ring 3, of the second fixing block 2, a second sealing groove 6 is formed in the inner portion, close to the first fixing ring 3, of the first fixing block 1, a first waterproof layer 7 is arranged on the inner side of the first fixing ring 3, a first wear-resistant layer 8 is arranged on the inner side of the first waterproof layer 7, a second waterproof layer 9 is arranged on the outer side of the second fixing ring 4, a second wear-resistant layer 10 is arranged on the outer side of the second waterproof layer 9, a plurality of groups of fixing holes 11 are formed in the first fixing block 1 and the side, far away from the first fixing ring 3, movable holes 12 penetrating through the first sealing groove 5 and the second sealing groove 6 are formed in the fixing holes 11, one side that is close to activity hole 12 in first solid fixed ring 3 and the solid fixed ring 4 inside all is provided with screw hole 13, and the inside of activity hole 12 is provided with and runs through to the inside bolt 14 of screw hole 13, and the inside of first seal groove 5 and second seal groove 6 all is provided with sealed the pad 15.

Please refer to fig. 1 and fig. 3, the first fixing ring 3 is welded to the first fixing block 1, the second fixing ring 4 is welded to the second fixing block 2, the first fixing ring 3 is detachably connected to the second fixing block 2 through the first sealing groove 5, so as to disassemble and assemble the first fixing ring 3 and the second fixing block 2, the second fixing ring 4 is detachably connected to the first fixing block 1 through the second sealing groove 6, so as to disassemble and assemble the second fixing ring 4 and the first fixing block 1, the sealing gasket 15 is fixedly connected to the second fixing block 2 through the first sealing groove 5, and the sealing gasket 15 is fixedly connected to the first fixing block 1 through the second sealing groove 6.

Please refer to fig. 1 and fig. 2, the bolt 14 is detachably connected to the first fixing block 1 through the movable hole 12, the bolt 14 is detachably connected to the second fixing block 2 through the movable hole 12, so as to realize the dismounting of the bolt 14 to the first fixing block 1 and the second fixing block 2, the end of the movable hole 12 close to the inside of the fixing hole 11 is provided with a rotating block, and the inside of the sealing pad 15 is provided with a plurality of sets of through holes, so as to facilitate the installation of the copper bush.

Please refer to fig. 1 and fig. 2, an external thread is disposed on an outer side of one end of the bolt 14 close to the threaded hole 13, an internal thread matched with the bolt 14 is disposed inside the threaded hole 13, the bolt 14 is in threaded connection with the first fixing ring 3 through the threaded hole 13, and the bolt 14 is in threaded connection with the second fixing ring 4 through the threaded hole 13, so that the bolt 14 is assembled and disassembled, and is convenient for people to use.

Please refer to fig. 1 and fig. 2, the first fixing ring 3 is fixedly connected to the second fixing block 2 through the threaded hole 13 and the bolt 14, the first fixing ring 3 is fixed to the second fixing block 2, the second fixing ring 4 is fixedly connected to the second sealing groove 6 through the threaded hole 13 and the bolt 14, the second fixing ring 4 is fixed to the second sealing groove 6, the second waterproof layer 9 is fixedly connected to the second fixing ring 4 through glue, and the first waterproof layer 7 is fixedly connected to the first fixing ring 3 through glue.

Please refer to fig. 1 and fig. 3, the mounting holes are disposed at the middle positions inside the first fixing block 1 and the second fixing block 2, and the first fixing block 1 and the second fixing block 2 are fixed by the mounting holes, so that the copper bush is better mounted, and the number of the fixing holes 11 is four, thereby improving the practicability of the copper bush.

The working principle is as follows: before the utility model is used, the first fixing ring 3 is clamped into the second fixing block 2 through the first sealing groove 5, the second fixing ring 4 is clamped into the first fixing block 1 through the second sealing groove 6, the first fixing ring 3 and the second fixing ring 4 are sealed through the sealing gasket 15, the spindle is fixed through the through holes in the first fixing block 1 and the second fixing block 2, the fixing effect of the copper sleeve is better, the working efficiency of the installation of the spindle copper sleeve is improved, the use of people is convenient, when in use, the bolt 14 is inserted into the movable hole 12, the bolt 14 is rotated, the external thread outside the bolt 14 is matched with the internal thread inside the threaded hole 13, the first fixing ring 3 and the second fixing block 2 are fixed, the second fixing ring 4 and the first fixing block 1 are fixed, the installation of the copper sleeve is firmer, the inner side of the first fixing ring 3 is protected through the first waterproof layer 7 and the first wear-resistant layer 8, the outside of the second fixing ring 4 is protected through the second waterproof layer 9 and the second wear-resistant layer 10, so that the using effect of the copper sleeve is better, and the practicability of the copper sleeve is improved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hydraulic turbine main shaft copper sheathing, includes first fixed block (1) and second fixed block (2), its characterized in that: a first fixing ring (3) is arranged on one side of the first fixing block (1), a second fixing ring (4) is arranged on one side, close to the first fixing ring (3), of the second fixing block (2), a first sealing groove (5) is formed in the inner portion, close to the first fixing ring (3), of the second fixing block (2), a second sealing groove (6) is formed in the inner portion, close to the first fixing ring (3), of the first fixing block (1), a first waterproof layer (7) is arranged on the inner side of the first fixing ring (3), a first wear-resistant layer (8) is arranged on the inner side of the first waterproof layer (7), a second waterproof layer (9) is arranged on the outer side of the second fixing ring (4), a second wear-resistant layer (10) is arranged on the outer side of the second waterproof layer (9), and a plurality of groups of fixing holes (11) are formed in the sides, far away from the first fixing ring (3), of the first fixing block (1) and the first fixing ring (3), the inside of fixed orifices (11) is provided with and runs through activity hole (12) to first seal groove (5) and second seal groove (6) inside, first solid fixed ring (3) and the solid fixed ring of second (4) inside are close to one side of activity hole (12) all is provided with screw hole (13), the inside of activity hole (12) is provided with and runs through bolt (14) to screw hole (13) inside, the inside of first seal groove (5) and second seal groove (6) all is provided with sealed pad (15).

2. The water turbine main shaft copper sleeve according to claim 1, characterized in that: first solid fixed ring (3) and first fixed block (1) welded connection, the solid fixed ring of second (4) and second fixed block (2) welded connection, first solid fixed ring (3) can be dismantled with second fixed block (2) through first seal groove (5) and be connected, the solid fixed ring of second (4) can be dismantled with first fixed block (1) through second seal groove (6) and be connected, sealed pad (15) are through first seal groove (5) and second fixed block (2) fixed connection, sealed pad (15) are through second seal groove (6) and first fixed block (1) fixed connection.

3. The water turbine main shaft copper sleeve according to claim 1, characterized in that: bolt (14) can be dismantled with first fixed block (1) through activity hole (12) and be connected, bolt (14) can be dismantled with second fixed block (2) through activity hole (12) and be connected, activity hole (12) are close to the inside one end of fixed orifices (11) is provided with the turning block, the inside of sealed pad (15) is provided with the multiunit through-hole.

4. The water turbine main shaft copper sleeve according to claim 1, characterized in that: bolt (14) are close to the outside of screw hole (13) one end is provided with the external screw thread, the inside of screw hole (13) be provided with bolt (14) phase-match internal thread, bolt (14) are through screw hole (13) and first solid fixed ring (3) threaded connection, bolt (14) are through screw hole (13) and the solid fixed ring of second (4) threaded connection.

5. The water turbine main shaft copper sleeve according to claim 1, characterized in that: first solid fixed ring (3) are through screw hole (13) and bolt (14) and second fixed block (2) fixed connection, solid fixed ring of second (4) are through screw hole (13) and bolt (14) and second seal groove (6) fixed connection, second waterproof layer (9) are through glue and solid fixed ring of second (4) fixed connection, first waterproof layer (7) are through glue and solid fixed ring of first (3) fixed connection.

6. The water turbine main shaft copper sleeve according to claim 1, characterized in that: the middle positions of the inner parts of the first fixing block (1) and the second fixing block (2) are provided with mounting holes, and the number of the fixing holes (11) is four.