CN218080577U

CN218080577U - Same-boring die for pin holes of main shaft of water motor

Info

Publication number: CN218080577U
Application number: CN202221543539.8U
Authority: CN
Inventors: 杜永平; 刘尚斌
Original assignee: Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Current assignee: Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-20
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a water and electricity machine main shaft pinhole is with boring mould relates to vertical hydraulic generator manufacturing field. The utility model provides a water machine main shaft pinhole is with boring mould for pinhole processing to motor spindle and water machine main shaft, water machine main shaft pinhole is with boring mould includes the template, and the round hole has been seted up to template centre of a circle department, has seted up a plurality of bore holes in the template, template one side fixedly connected with spacing ring piece, and spacing circular slot has been seted up to the opposite side, template top swing joint has locating pin, bottom swing joint to have fastening screw, and fastening screw one side swing joint has first packing ring, and opposite side swing joint has the locating washer, and the equal spiro union in fastening screw both ends has the nut. The utility model discloses a spacing circular slot that template one side fixed connection's spacing ring piece, opposite side were seted up, the nut of fastening screw both sides spiro union, mutually supporting between first packing ring and positioning washer and the locating pin have reduced the condition that water machine main shaft pinhole receives the lathe precision influence man-hour.

Description

Same-boring die for pin holes of main shaft of hydroelectric machine

Technical Field

The utility model relates to a vertical hydraulic generator produces the manufacturing field, specifically is a water machine main shaft pinhole is with boring mould.

Background

Most of vertical hydroelectric generating set shafting consists of a water machine main shaft and a motor main shaft, the two main shafts are positioned by a plurality of pin holes and connected into a whole to drive each rotating part in the set to complete rotating action, the concentricity of the two main shafts directly influences the rotating balance of the set after assembly, and the concentricity of the water machine main shaft and the motor main shaft after assembly depends on the matching degree of the processed pin holes.

The processing main shaft pin hole adopts the numerical control boring machine to directly process according to the coordinate point mostly, but is big to the diameter, and the main shaft that the pinhole is a lot more receives the lathe precision to influence great, and accumulative error is difficult to control, for this reason, the utility model provides a novel water and electricity machine main shaft pin hole is used for solving the above-mentioned problem that proposes with the template.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water and electricity machine main shaft pinhole is with boring jig 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: the utility model provides a water machine main shaft pinhole is with boring mould for pinhole processing to motor spindle and water machine main shaft, water machine main shaft pinhole is with boring mould includes the template, and the round hole has been seted up to template centre of a circle department, has seted up a plurality of bore holes in the template, template one side fixedly connected with spacing ring piece, and spacing circular slot has been seted up to the opposite side, template top swing joint has locating pin, bottom swing joint to have fastening screw, and fastening screw one side swing joint has first packing ring, and opposite side swing joint has the locating washer, and the equal spiro union in fastening screw both ends has the nut.

Preferably, the top and the bottom of the template are both screwed with hoisting screws.

Preferably, the template is horizontally carved with an X axis and vertically carved with a Y axis.

Preferably, the first washer and the positioning washer are both positioned between two nuts screwed on the same fastening screw.

Preferably, the diameter of the outer circle of the limit ring block is matched with the diameter of the limit circular groove, and the diameter of the limit circular groove is matched with the motor spindle.

Preferably, a plurality of threaded holes are formed in the template, and jacking screws are screwed in the threaded holes.

Preferably, the template is respectively assembled with the motor main shaft and the water machine main shaft, and the assembling clearance is 0.02mm-0.04mm.

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

this water motor main shaft pinhole is with boring mould, limit ring piece through template one side fixed connection, the spacing circular slot with motor main shaft tang looks adaptation that the opposite side was seted up, the nut of fastening screw both sides spiro union, mutually support between first packing ring and positioning washer and the locating pin, make same template both ends location, be used for processing water machine and motor main shaft simultaneously, the concentricity requirement of fine assurance diaxon, can be applicable to the diameter big, the main shaft of pinhole a large quantity, the condition that receives the lathe precision influence when having reduced water motor main shaft pinhole and processing, the accumulative error reduces.

The same boring jig for the pin hole of the spindle of the hydroelectric machine is convenient to disassemble and take down the template after the template is used through the threaded holes formed in the top and the bottom of the template and the jacking screws screwed in the threaded holes.

Drawings

FIG. 1 is a sectional assembly view of the present invention;

fig. 2 is a cross-sectional view of the template of the present invention;

fig. 3 is a plan view of the template of the present invention.

In the figure: 1. positioning pins; 2. a template; 201. a limit ring block; 202. a limiting circular groove; 203. a circular hole; 204. boring; 205. hoisting screws; 206. an X axis; 207. a Y axis; 208. a threaded hole; 3. a first gasket; 4. fastening a screw rod; 5. a nut; 6. a positioning washer; 7. jacking the screw; 8. a motor spindle; 9. a water machine main shaft.

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.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship indicated based on the drawings, which is only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one of the figures, it will not need to be further discussed or illustrated in detail in the description of the figures that follows.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a water conservancy machine main shaft pinhole is with boring mould for pinhole processing to motor main shaft 8 and water machine main shaft 9, water conservancy machine main shaft pinhole is with boring mould includes

template

2, and 2 centre of a circle departments of template have seted up round hole 203, have seted up a plurality of bore holes 204 on the

template

2, and 2 one side fixedly connected with spacing ring piece 201 of template, spacing circular slot 202 have been seted up to the opposite side, and 2 top swing joint of template have locating pin 1, bottom swing joint have fastening screw 4, and fastening screw 4 one side swing joint has first packing ring 3, and opposite side swing joint has locating washer 6, and the equal spiro union in fastening screw 4 both ends has nut 5. It should be noted that the material of the mold plate 2 and the retainer block 201 is the same.

As a specific embodiment, the top and bottom of the form 2 are screwed with lifting screws 205. It should be noted that the use of the lifting screws 205 can facilitate the assembly of the formwork 2.

As a specific example, the template 2 is horizontally inscribed with an X-axis 206 and vertically inscribed with a Y-axis 207. Template 2 is inscribed with an X-axis 206 and a Y-axis 207 for the purpose of facilitating adjustment of the orientation of template 2.

As a specific example, the first washer 3 and the positioning washer 6 are both located between two nuts 5 screwed on the same fastening screw 4.

As a specific embodiment, the diameter of the outer circle of the limit ring block 201 is matched with the diameter of the limit circular groove 202, and the diameter of the limit circular groove 202 is matched with the motor spindle 8.

As a specific embodiment, a plurality of threaded holes 208 are formed in the mold plate 2, and the jacking screws 7 are screwed in the plurality of threaded holes 208. The jacking screws 7 are used for facilitating the removal of the formwork 2 after the use of the formwork 2.

As a specific embodiment, the template 2 is respectively assembled with the motor spindle 8 and the water machine spindle 9, and the assembling clearance is 0.02mm-0.04mm.

Particularly, before the template 2 is used, the water machine main shaft 9 and the motor main shaft 8 are roughly machined except for pin holes, the outer circles and end faces of other parts are machined to be alive, the motor main shaft 8 and the water machine main shaft 9 are stably placed, the end face of a flange is perpendicular to a machine tool main shaft, the pre-assembled main shaft and the template 2 are assembled on the main shaft through a lifting screw 205, an orientation mark is aligned, an assembly gap is adjusted, concentricity is determined according to the outer circle of a main shaft flange and a round hole 203 formed in the template 2, concentricity is determined by plugging in a plurality of positions and is not more than 0.02mm, the end face of the template 2 is perpendicular to the machine tool main shaft, a fastening screw 4 penetrates through a boring hole 204, a first gasket 3 and a positioning gasket 6 are respectively placed on two sides of the fastening screw 4, finally a nut 5 is screwed, the relative position of the template 2 and the main shaft is well fixed, centering is aligned to a boring hole 204 formed in the template 2 according to a Y axis 207, two pin holes in the Y axis 207 direction of the spindle are sequentially bored, after being alive, the template is fixed, the relative position of the spindle and the template 2 is sequentially changed according to the circumferential direction of the holes, and the positioning pin holes of the other parts of the spindle 4 are sequentially bored by using a method for aligning and boring the positioning pin hole 204, and boring the spindle, and boring the method for aligning the spindle is used.

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 water machine main shaft pinhole is with boring jig for the pinhole processing to motor main shaft (8) and water machine main shaft (9), water machine main shaft pinhole is with boring jig includes template (2), its characterized in that: round hole (203) have been seted up in template (2) centre of a circle department, have seted up a plurality of bores (204) on template (2), template (2) one side fixedly connected with spacing ring piece (201), spacing circular slot (202) have been seted up to the opposite side, template (2) top swing joint has locating pin (1), bottom swing joint has fastening screw (4), and fastening screw (4) one side swing joint has first packing ring (3), and opposite side swing joint has locating washer (6), and the equal spiro union in fastening screw (4) both ends has nut (5).

2. The same boring jig for the pin hole of the spindle of the hydroelectric machine as set forth in claim 1, characterized in that: and hoisting screws (205) are screwed at the top and the bottom of the template (2).

3. The same boring jig for the pin hole of the spindle of the hydroelectric machine as set forth in claim 1, characterized in that: the template (2) is horizontally provided with an X axis (206) and vertically provided with a Y axis (207).

4. The same boring jig for the pin hole of the spindle of the hydroelectric machine as claimed in claim 1, wherein: the first gasket (3) and the positioning gasket (6) are both positioned between two nuts (5) screwed on the same fastening screw rod (4).

5. The same boring jig for the pin hole of the spindle of the hydroelectric machine as set forth in claim 1, characterized in that: the diameter of the outer circle of the limiting ring block (201) is matched with the diameter of the limiting circular groove (202), and the diameter of the limiting circular groove (202) is matched with the motor spindle (8).

6. The same boring jig for the pin hole of the spindle of the hydroelectric machine as claimed in claim 1, wherein: a plurality of threaded holes (208) are formed in the template (2), and jacking screws (7) are screwed in the threaded holes (208).

7. The same boring jig for the pin hole of the spindle of the hydroelectric machine as claimed in claim 1, wherein: the template (2) is respectively assembled with the motor spindle (8) and the water machine spindle (9), and the assembling clearance is 0.02mm-0.04mm.