CN221002872U - Sliding pin system free of repair - Google Patents
Sliding pin system free of repair Download PDFInfo
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- CN221002872U CN221002872U CN202322974582.0U CN202322974582U CN221002872U CN 221002872 U CN221002872 U CN 221002872U CN 202322974582 U CN202322974582 U CN 202322974582U CN 221002872 U CN221002872 U CN 221002872U
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- sliding pin
- repair
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- pin
- adjusting piece
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- 230000008439 repair process Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 244000161999 Acacia greggii Species 0.000 description 3
- 235000004608 catclaw acacia Nutrition 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model relates to a slip pin system free of repair, which comprises: a first sliding pin and a second sliding pin matched with the first sliding pin; the first sliding pin comprises a first sliding pin body, and a concave part is formed in the first sliding pin body; the first sliding pin body is provided with an adjusting piece, the adjusting piece is connected to the first sliding pin body, and the rod part of the adjusting piece is positioned in the concave part; the second sliding pin comprises a second sliding groove body, and a protruding portion matched with the concave portion is formed on the second sliding groove body. After adopting above-mentioned structure, its beneficial effect is: through setting up slant depressed part and bellying in first sliding pin and the second sliding pin of mutually supporting, the second sliding pin removes for first sliding pin in the slip in-process, has the contained angle between the direction of movement of second sliding pin and the perpendicular central line, and the design can satisfy the various positions of keyway in the actual assembly process like this.
Description
Technical Field
The utility model belongs to the technical field of machine set centering, and particularly relates to a sliding pin system free of repair.
Background
In various high-temperature running rotary machines such as steam turbines and axial flow compressors, certain thermal expansion can occur to each part of the machine due to temperature change during starting, running and stopping, and a sliding pin system with reasonable design is required for ensuring the correct expansion, contraction and positioning of each part of the steam turbine (or the compressor) and the correct centering of a cylinder and a rotor; for example, a transverse sliding pin between a front cylinder cat claw and a bearing seat, a vertical sliding pin between a front cylinder and the front bearing seat, a transverse sliding pin between a rear cylinder and a machine frame, and the like can follow a certain rule under the action of a sliding pin system, so that the rotor and the stator center are not changed.
The specific structure of the existing sliding pin system is that a key slot is processed on two parts (such as a cylinder body 1 and a bearing seat 2) to be positioned, after the cold state is aligned, a guide key 3 reserved with a trimming allowance is trimmed according to the actual key slots of the two parts, and then the guide key 3 is filled into the corresponding matched key slot, wherein the guide key 3 is in interference fit with one part and is in clearance fit with the other part, and the key slots are dislocated due to the deviation between design and actual processing and assembly (as shown in fig. 1-3), so that the guide key 3 is trimmed, and the trimming of the guide key 3 is quite complicated.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides a sliding pin system free of repair, which solves the problem that a guide key is subjected to complicated repair due to misplacement of a key slot caused by assembly process deviation.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
as an aspect of the present utility model, there is provided a slip pin system free of repair, characterized by comprising: a first sliding pin and a second sliding pin matched with the first sliding pin;
The first sliding pin comprises a first sliding pin body, and a concave part is formed in the first sliding pin body; two first side edges which are parallel to each other in the length direction of the concave part form included angles with the vertical central line respectively;
The first sliding pin body is provided with an adjusting piece, the adjusting piece is connected to the first sliding pin body, and the rod part of the adjusting piece is positioned in the concave part;
The second sliding pin comprises a second sliding groove body, and a protruding part matched with the recessed part is formed on the second sliding groove body; two second side edges which are parallel to each other in the length direction of the protruding part form included angles with the vertical center line respectively; the moving direction of the second sliding pin forms an included angle with the vertical center line.
Alternatively, the orthographic projection cross section of the concave part is quadrilateral, and two opposite sides of the quadrilateral in the length direction are parallel.
Alternatively, the adjusting member is an adjusting bolt, which is screwed to the first sliding pin body.
Alternatively, the centerline of the adjustment member is parallel to the vertical centerline.
Alternatively, the first sliding pin body is provided with a threaded hole in threaded connection with the adjusting piece.
Alternatively, the orthographic projection section of the protruding portion is quadrilateral, and two opposite sides of the quadrilateral in the length direction are parallel.
Alternatively, the height of the convex portion is equal to or less than the depth of the concave portion.
Alternatively, the protruding part is connected in the concave part, and two second sides of the protruding part are attached to two first sides of the concave part; the end face of the rod part of the adjusting piece is connected with the protruding part.
Optionally, a plurality of shims are included, the shims being located in the other side of the recess and/or the stem end face of the adjustment member.
The sliding pin system free of repair has the beneficial effects that: through the arrangement of the inclined concave parts and the inclined convex parts in the first sliding pin and the second sliding pin which are matched with each other, the second sliding pin moves relative to the first sliding pin in the sliding process, and an included angle is formed between the moving direction of the second sliding pin and the vertical center line, so that the design can meet various positions of a key slot in the actual assembly process; the protruding part is moved to a corresponding position in the concave part in a direction away from the adjusting part by adjusting the adjusting part, so that the center between the stator or the rotor connected to the first part on the first sliding pin and the rotor or the stator connected to the second part on the second sliding pin coincides.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a key slot mating diagram of a prior art slide pin system;
FIG. 2 is a second key slot mating view of a prior art slide pin system;
FIG. 3 is a key slot mating view III of a prior art slide pin system;
FIG. 4 is a schematic diagram of a slip pin system without repair according to the present utility model;
FIG. 5 is a schematic view of a first sliding pin according to the present utility model;
FIG. 6 is a schematic view of a second slide pin according to the present utility model;
FIG. 7 is a state diagram of the present utility model prior to adjustment of the no-repair slide pin system;
Fig. 8 is an adjusted state diagram of the no-repair slide pin system of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A slip pin system free of repair according to one embodiment of the present application, as shown in fig. 4-7, includes: a first sliding pin 4 connected to the first part to be positioned and a second sliding pin 5 connected to the second part to be positioned, which is matched with the first sliding pin 4; it should be noted that the first component and the second component to be positioned are both relatively fixed components after installation, for example, the first component is a front cylinder cat claw, and the second component is a bearing seat matched with the front cylinder cat claw; or the first part is a front cylinder, and the second part is a front bearing seat matched with the front cylinder; or the first part is a rear cylinder, the second part is a frame matched with the rear cylinder, which is the prior art and is not repeated; the sliding pin system free of repair is used for adjusting the relative position of the first part and the second part after being matched, so that the problem that the guide key 3 is subjected to complicated repair due to dislocation of key grooves caused by assembly process deviation is solved;
The first sliding pin 4 comprises a first sliding pin body 41, a concave part 42 is formed in the first sliding pin body 41, and the concave part 42 is a groove; the orthographic projection section of the concave part 42 is quadrilateral, and two opposite sides of the quadrilateral in the length direction are parallel;
the two parallel first sides 43 of the recess 42 in the length direction form an included angle with the vertical center line Y;
The first sliding pin body 41 is provided with an adjusting piece 44, the adjusting piece 44 is an adjusting bolt, the adjusting bolt is connected to the first sliding pin body 41 in a threaded manner, and a rod part of the adjusting piece 44 is positioned in the concave part 42; the center line of the adjusting piece 44 is parallel to the vertical center line Y; the first sliding pin body 41 is provided with a threaded hole 45 in threaded connection with the adjusting piece 44;
The second sliding pin 5 includes a second sliding groove body 51, a protruding portion 52 that is matched with the recessed portion 42 is formed on the second sliding groove body 51, the orthographic projection cross section of the protruding portion 52 is quadrilateral, and two opposite sides in the length direction of the quadrilateral are parallel; two second sides 53 parallel to each other in the length direction of the protruding portion 52 form an included angle with the vertical center line Y;
The height of the protruding part 52 is equal to or smaller than the depth of the recessed part 42, so that the protruding part 52 can be completely connected in the recessed part 42, and the adjusting process is more stable;
when the second sliding pin 5 is connected to the first sliding pin 4, the protruding portion 52 is connected to the concave portion 42, and two second sides 53 of the protruding portion 52 are attached to two first sides 43 of the concave portion 42; the end face of the rod part of the adjusting piece 44 is connected with the protruding part 52, and the protruding part 52 moves to a corresponding position in the recessed part 42 in a direction away from the adjusting piece 44 by adjusting the adjusting piece 44, so that the center between a stator or a rotor connected to the first component and a rotor or a stator connected to the second component is overlapped;
The device also comprises a plurality of gaskets, wherein the gaskets are arranged in the concave parts 42 according to the required quantity of the adjustment distance, so that the positions between the second sliding pin 5 and the first sliding pin 4 are relatively fixed; the gaskets are composed of gaskets with different thicknesses.
In this embodiment, as shown in fig. 5-8, under the action of the adjusting member 44, the second sliding pin 5 moves in the recess 42 of the first sliding pin 4, the moving direction of the second sliding pin 5 is the length direction of the first side 43 of the recess 42 or the length direction of the second side 53 of the protruding portion 52, and an included angle is formed between the moving direction of the second sliding pin 5 and the vertical center line Y; the design can meet various positions of the key groove in the actual assembly process.
In this embodiment, since the contact surface between the first sliding pin 4 and the second sliding pin 5 has a slope, by adjusting the adjusting member 44, and placing shims with different thicknesses on the end surface of the stem portion of the adjusting member 44 and/or in the other side of the recess portion 42, the relative position between the first sliding pin 4 and the second sliding pin 5 is adjusted, so as to satisfy various positions of the key slot in the actual assembly process.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly as such and may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A slip pin system free of repair, comprising: a first sliding pin and a second sliding pin matched with the first sliding pin;
The first sliding pin comprises a first sliding pin body, and a concave part is formed in the first sliding pin body; two first side edges which are parallel to each other in the length direction of the concave part form included angles with the vertical central line respectively;
The first sliding pin body is provided with an adjusting piece, the adjusting piece is connected to the first sliding pin body, and the rod part of the adjusting piece is positioned in the concave part;
The second sliding pin comprises a second sliding groove body, and a protruding part matched with the recessed part is formed on the second sliding groove body; two second side edges which are parallel to each other in the length direction of the protruding part form included angles with the vertical center line respectively; the moving direction of the second sliding pin forms an included angle with the vertical center line.
2. The repair-free slide pin system according to claim 1, wherein the recess has a square cross-sectional orthographic shape with two opposite sides parallel in a length direction of the square.
3. The repair-free slide pin system according to claim 1, wherein the adjustment member is an adjustment bolt that is threadably coupled to the first slide pin body.
4. The repair-free slide pin system of claim 1 wherein the centerline of the adjustment member is parallel to the vertical centerline.
5. A repair-free slide pin system as claimed in claim 3 wherein the first slide pin body is provided with a threaded bore in threaded connection with the adjustment member.
6. The slip pin system of claim 2, wherein the projection has a square cross-sectional orthographic shape with two opposite sides parallel in the length direction of the square.
7. The repair-free slide pin system according to claim 1, wherein the height of the raised portion is equal to or less than the depth of the recessed portion.
8. The repair-free slide pin system according to claim 1, wherein the boss is connected within the recess, and wherein two second sides of the boss are in engagement with two first sides of the recess; the end face of the rod part of the adjusting piece is connected with the protruding part.
9. The repair-free slide pin system of claim 1 further comprising a plurality of shims positioned within the other side of the shank end face and/or the recess of the adjustment member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322974582.0U CN221002872U (en) | 2023-11-03 | 2023-11-03 | Sliding pin system free of repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322974582.0U CN221002872U (en) | 2023-11-03 | 2023-11-03 | Sliding pin system free of repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221002872U true CN221002872U (en) | 2024-05-24 |
Family
ID=91090738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322974582.0U Active CN221002872U (en) | 2023-11-03 | 2023-11-03 | Sliding pin system free of repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221002872U (en) |
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2023
- 2023-11-03 CN CN202322974582.0U patent/CN221002872U/en active Active
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