CN212508625U

CN212508625U - Macromolecular composite wear plate for hydraulic turbine

Info

Publication number: CN212508625U
Application number: CN202020614019.6U
Authority: CN
Inventors: 陈波; 宋晨光; 程少群
Original assignee: Hangzhou Chengde Electric Power Equipment Co ltd
Current assignee: Hangzhou Chengde Electric Power Equipment Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-02-09
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a macromolecular composite wear plate for hydraulic turbine, including bottom ring backplate and spacing recess, the outside of bottom ring backplate is provided with bottom ring wear plate, and the inside of bottom ring wear plate runs through there is positioning bolt two, positioning bolt two's upper and lower both sides are provided with the gag lever post, and the outside of gag lever post is provided with the fixture block, spacing recess is seted up in the outside upper end of bottom ring backplate, and the inside of spacing recess is provided with the location pivot. The first multi-group positioning bolts can conveniently limit the bottom ring wear plate and the bottom ring guard plate, the offset appears when the device is avoided being used, the second positioning bolts can further fix the first positioning bolts and the second positioning bolts, the bottom ring wear plate and the bottom ring guard plate can be fixed through the limiting rods, the single bolt is avoided being used, the fixation is not firm, the device is enabled to be used in a reduced mode, the fixture block is of a triangular structure, and the fixture block can be connected with the bottom ring guard plate more closely.

Description

Macromolecular composite wear plate for hydraulic turbine

Technical Field

The utility model relates to a hydraulic turbine technical field specifically is a macromolecular composite wear plate for hydraulic turbine.

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. As early as 100 years before the Yuan, China has developed a rudiment of a water turbine, namely a water wheel, which is used for pumping irrigation and driving grain processing equipment. 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.

Fixed mode is comparatively single in the wear plate use in the market, the phenomenon that skew and drop can appear, has greatly influenced the normal use of device to fixing bolt can expose in the air, easily receives to corrode and makes its rust stain appear, thereby has influenced the staff to its follow-up problem of overhauing and maintaining, for this reason, we provide a macromolecular composite wear plate for hydraulic turbine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a macromolecular composite wear plate for hydraulic turbine to fixed mode is comparatively single in the wear plate use in the market that proposes in solving above-mentioned background art, the phenomenon that can appear squinting and drop has greatly influenced the normal use of device, and fixing bolt can expose in the air, easily receives to corrode and makes it rust mark appear, thereby has influenced the staff to its follow-up problem of overhauing and maintaining.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a macromolecular composite wear plate for hydraulic turbine, includes bottom ring backplate and spacing recess, the outside of bottom ring backplate is provided with bottom ring wear plate, and the inside of bottom ring wear plate runs through there is positioning bolt two, the upper and lower both sides of positioning bolt two are provided with the gag lever post, and the outside of gag lever post is provided with the fixture block, spacing recess is seted up in the outside upper end of bottom ring backplate, and the inside of spacing recess is provided with the location pivot.

Preferably, the inside of end ring backplate is provided with positioning bolt one, and positioning bolt one is along the inside evenly distributed of end ring backplate to the connected mode between end ring backplate and the end ring wear-resisting plate is threaded connection.

Preferably, the limiting rod is symmetrical about the horizontal center line of the second positioning bolt, and the bottom ring guard plate forms a clamping structure with the bottom ring wear plate through the limiting rod and the clamping block.

Preferably, the clamping blocks are uniformly distributed along the horizontal center line of the limiting rod, and the clamping blocks are of a triangular structure.

Preferably, the outer side of the first positioning bolt is provided with a filling body, and the filling body penetrates through the upper part inside the bottom ring guard plate.

Preferably, the outside of location pivot is provided with the protective cover, and limit groove constitutes revolution mechanic through between location pivot and the protective cover to the protective cover is symmetrical about the vertical central line of limit groove.

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

the macromolecular composite wear plate for the water turbine can conveniently limit the bottom ring wear plate and the bottom ring guard plate through the multiple groups of positioning bolts I, so that the deviation in use is avoided, and the two can be further fixed through the positioning bolts II;

the bottom ring wear-resistant plate and the bottom ring guard plate can be fixed firmly by the aid of the limiting rods, so that the use of the device is reduced, the fixture blocks are connected with the bottom ring guard plate more tightly by the aid of the triangular fixture blocks, and the bottom ring guard plate is provided with multiple groups, so that the fixing effect of the device is improved;

the filler body through setting up can avoid in water gets into positioning bolt one, causes positioning bolt one to receive the corruption, and influences its normal fixed, can protect positioning bolt two through the protective cover that sets up to the spacing recess that sets up can be opened the protective cover with the location pivot is mutually supported, so that carry out follow-up maintenance to it.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the bottom ring guard plate of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 3 according to the present invention.

In the figure: 1. a bottom ring guard plate; 2. positioning a first bolt; 3. a bottom ring wear plate; 4. a second positioning bolt; 5. a limiting rod; 6. a clamping block; 7. a filler; 8. a limiting groove; 9. positioning the rotating shaft; 10. a protective cover.

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. 1-4, the present invention provides a technical solution: a macromolecular composite wear-resistant plate for a water turbine comprises a bottom ring protective plate 1, a first positioning bolt 2, a bottom ring wear-resistant plate 3, a second positioning bolt 4, a limiting rod 5, a fixture block 6, a filler 7, a limiting groove 8, a positioning rotating shaft 9 and a protective cover 10, wherein the bottom ring wear-resistant plate 3 is arranged on the outer side of the bottom ring protective plate 1, a second positioning bolt 4 penetrates through the bottom ring wear-resistant plate 3, the first positioning bolt 2 is arranged inside the bottom ring protective plate 1, the first positioning bolts 2 are uniformly distributed along the inside of the bottom ring protective plate 1, the bottom ring protective plate 1 and the bottom ring wear-resistant plate 3 are connected in a threaded manner, the bottom ring wear-resistant plate 3 and the bottom ring protective plate 1 can be conveniently limited through the first plurality of groups of positioning bolts 2, offset is avoided when the wear-resistant plate is used, and the second positioning bolts 4 can further fix the bottom ring wear-resistant plate 3;

limiting rods 5 are arranged on the upper side and the lower side of a second positioning bolt 4, a clamping block 6 is arranged on the outer side of each limiting rod 5, the limiting rods 5 are symmetrical about a horizontal central line of the second positioning bolt 4, a clamping structure is formed between each bottom ring guard plate 1 and the bottom ring guard plate 3 through the limiting rods 5 and the clamping blocks 6, the bottom ring guard plates 3 and the bottom ring guard plates 1 can be fixed infirm through the limiting rods 5, the single use of bolts is avoided, the device is reduced in use, the clamping blocks 6 are uniformly distributed along the horizontal central line of the limiting rods 5, the clamping blocks 6 are of triangular structures, the clamping blocks 6 are connected with the bottom ring guard plates 1 more tightly through the triangular structures of the clamping blocks 6, and the bottom ring guard plates 1 are provided with multiple groups, so that the fixing effect of the device is improved;

spacing recess 8 is seted up in the outside upper end of end ring backplate 1, and the inside of spacing recess 8 is provided with location pivot 9, the outside of positioning bolt 2 is provided with obturator 7, and obturator 7 runs through in the inside top of end ring backplate 1, can avoid water to get into in positioning bolt 2 through obturator 7 that sets up, cause positioning bolt 2 to receive the corruption, and influence its normal fixed, the outside of location pivot 9 is provided with protective cover 10, and spacing recess 8 constitutes revolution mechanic through between location pivot 9 and the protective cover 10, and protective cover 10 is symmetrical about the vertical central line of spacing recess 8, protective cover 10 through setting up can protect positioning bolt two 4, and spacing recess 8 and location pivot 9 mutually support of setting can open protective cover 10, so that carry out follow-up maintenance to it.

The working principle is as follows: for the wear-resistant plate, when in use, a user firstly places the bottom ring wear-resistant plate 3 at the outer side of the bottom ring guard plate 1, then limits the bottom ring guard plate 1 and the bottom ring wear-resistant plate 3 through the positioning bolt I2 to avoid the deviation in use, meanwhile, when the bottom ring wear-resistant plate 3 is placed at the outer side of the bottom ring guard plate 1, the limiting rod 5 arranged in the bottom ring wear-resistant plate can be inserted into the bottom ring guard plate 1, then the bottom ring guard plate 1 is clamped with the limiting rod 5 through the clamping block 6 to enable the bottom ring guard plate and the limiting rod 5 to be connected more tightly, then the protecting cover 10 is pulled, the positioning rotating shaft 9 arranged at the lower end can rotate at the inner side of the limiting groove 8, so that the positioning bolt II 4 can be conveniently fixed, the positioning rotating shaft 9 can be closed after the completion, so that the positioning bolt II 4 can be protected, and finally, the user injects the, the positioning bolt 2 can be prevented from being corroded in use, and the whole wear plate using process is completed.

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 macromolecular composite wear-resistant plate for hydraulic turbine, includes end ring backplate (1) and spacing recess (8), its characterized in that: the outside of end ring backplate (1) is provided with end ring wear-resisting board (3), and the inside of end ring wear-resisting board (3) runs through and has positioning bolt two (4), the upper and lower both sides of positioning bolt two (4) are provided with gag lever post (5), and the outside of gag lever post (5) is provided with fixture block (6), the outside upper end of end ring backplate (1) is seted up in spacing recess (8), and the inside of spacing recess (8) is provided with location pivot (9).

2. The high polymer composite wear plate for the hydraulic turbine according to claim 1, characterized in that: the inside of end ring backplate (1) is provided with positioning bolt (2), and positioning bolt (2) along the inside evenly distributed of end ring backplate (1) to the connected mode between end ring backplate (1) and end ring wear-resisting board (3) is threaded connection.

3. The high polymer composite wear plate for the hydraulic turbine according to claim 1, characterized in that: the limiting rod (5) is symmetrical about the horizontal center line of the second positioning bolt (4), and the bottom ring guard plate (1) forms a clamping structure with the bottom ring wear-resistant plate (3) through the limiting rod (5) and the clamping block (6).

4. The high polymer composite wear plate for the hydraulic turbine according to claim 1, characterized in that: the clamping blocks (6) are uniformly distributed along the horizontal center line of the limiting rod (5), and the clamping blocks (6) are of a triangular structure.

5. The high polymer composite wear plate for the hydraulic turbine according to claim 2, characterized in that: and a filling body (7) is arranged on the outer side of the first positioning bolt (2), and the filling body (7) penetrates through the upper part inside the bottom ring guard plate (1).

6. The high polymer composite wear plate for the hydraulic turbine according to claim 1, characterized in that: the outside of location pivot (9) is provided with protective cover (10), and constitutes revolution mechanic between spacing recess (8) through location pivot (9) and protective cover (10) to protective cover (10) are symmetrical about the vertical central line of spacing recess (8).