CN208885703U - Positioning component and coaxial workpiece - Google Patents
Positioning component and coaxial workpiece Download PDFInfo
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- CN208885703U CN208885703U CN201821547516.8U CN201821547516U CN208885703U CN 208885703 U CN208885703 U CN 208885703U CN 201821547516 U CN201821547516 U CN 201821547516U CN 208885703 U CN208885703 U CN 208885703U
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Abstract
The utility model relates to machinery fields, in particular to a kind of positioning component and coaxial workpiece.Positioning component is used to position the first workpiece and second workpiece of coaxial arrangement；Positioning component includes the first key, the second key, and the first workpiece and second workpiece junction interval are arranged and respectively with the first keys, matched first keyway of the second key, the second keyway, and the first keyway, the second keyway extend along the first workpiece axial direction；The axis of first workpiece and the plane antarafacial for passing through the first keyway, the second key slot center.Positioning component with the first axis of workpiece by having the cooperation of the first key, the second key of certain angle, correct the displacement between the first workpiece and second workpiece by the first key, the second key, it is overlapped the first workpiece, second workpiece axis from two orientation, achievees the purpose that correction positioning is overlapped axis.Positioning component can guarantee that connector reassembles rear position recovering degree after removal.
Description
Technical field
The utility model relates to machinery fields, in particular to a kind of positioning component and coaxial workpiece.
Background technique
Existing this kind of large rotating machinery of such as centrifugal compressor, rotary shaft require bearing support, and front and back
The concentricity of bearing position often has a huge impact the vibration of entire shafting.Meanwhile former and later two bearing positions often exist again
In two individual components.And the bolt between connector can only play fixed effect, bolt with pass through bolt
Gap between hole is grade, and requirement of the bearing position to concentricity is often micron order, is only clearly not by bolt fastening
Method ensures the small changing of the relative positions between connector.Therefore it is just faced in Design and manufacturing process and needs to guarantee two independent components
The concentricity of former and later two bearing positions after being assembled together.Meanwhile equipment no matter during the assembling manufacturing of early period or
It is that Maintenance and Repair can all have the problem of dismounting in the process, therefore how guarantee that the concentricity after dismounting is also a big problem.
Utility model content
The purpose of this utility model is to provide a kind of positioning component and coaxial workpiece, it is intended to improve existing two need
Want coaxially connected workpiece that there can be the problem of bias, different axis deviations.
The utility model provides a kind of technical solution:
A kind of positioning component, positioning component are used to position the first workpiece and second workpiece of coaxial arrangement；
Positioning component includes the first key, the second key, and the first workpiece and second workpiece junction interval are arranged and respectively with the
Matched first keyway of one key, the second key, the second keyway, the first keyway, the second keyway extend along the first workpiece axial direction；
Axis, the axis of second keyway along its length of first keyway along its length collectively form flat
The axis antarafacial in face and first workpiece.
In the other embodiments of the utility model, axis, first workpiece of first keyway along its length
The first plane for collectively forming of axis and second keyway axis, the axis of first workpiece along its length it is common
The angle between the second plane constituted is 60 ° -120 °.
In the other embodiments of the utility model, above-mentioned first plane is mutually perpendicular to the second plane.
In the other embodiments of the utility model, above-mentioned first key and/or the second key are flat key.
In the other embodiments of the utility model, above-mentioned first key, the second key are each equipped with bolt, the first workpiece or
Two workpiece settings have and the matched threaded hole of bolt.
In the other embodiments of the utility model, above-mentioned first key, the second key are provided with top wire hole.
In the other embodiments of the utility model, above-mentioned first keyway is about flat between the first workpiece and second workpiece
Face is symmetrical arranged.
In the other embodiments of the utility model, above-mentioned positioning component further includes third key, third key and the first key,
Two keys are spaced setting, and the first workpiece and second workpiece junction are provided with and the matched third keyway of third key.
In the other embodiments of the utility model, circumferentially array is arranged for above-mentioned third key, the first key, the second key.
The utility model also provides a kind of technical solution:
A kind of coaxial workpiece, coaxial workpiece include above-mentioned positioning component.
The beneficial effect of positioning component provided by the embodiment of the utility model and coaxial workpiece is:
Positioning component makes first by having the cooperation of the first key, the second key of certain angle with the first axis of workpiece
Displacement between workpiece and second workpiece is corrected by the first key, the second key, makes the first workpiece, second workpiece axis from two orientation
Line is overlapped, and achievees the purpose that correction positioning is overlapped axis.Positioning component can guarantee that connector reassembles rear position also after removal
Former degree.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the structural schematic diagram at the first visual angle of positioning component provided by the embodiment of the utility model；
Fig. 2 shows the structural schematic diagrams at the second visual angle of positioning component provided by the embodiment of the utility model；
Fig. 3 shows the structural schematic diagram of the first workpiece 101 provided in this embodiment；
Fig. 4 shows the structural schematic diagram of the first key provided by the embodiment of the utility model；
Fig. 5 shows the schematic diagram of internal structure of the first key provided by the embodiment of the utility model.
Icon: 100- positioning component；The first workpiece of 101-；102- second workpiece；The first key of 110-；111- bolt hole；
112- top wire hole；The second key of 120-.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it is to be understood that the orientation or positional relationship of instruction is based on attached
Orientation or positional relationship shown in figure or the utility model product using when the orientation or positional relationship usually put, or
Person is the orientation or positional relationship that those skilled in the art usually understand, is merely for convenience of description the utility model and simplification is retouched
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art
Language " setting ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
Currently, in the manufacturing process of centrifugal compressor class rotating machinery, to ensure the concentric of former and later two bearing positions
Degree, often first two connectors are fastened with fastening bolt before precision machined bearing position, then on joint face perpendicular to
Two shop bolts (angle of two pins is not fixed) is made a call in the direction of joint face, then same after two connectors fix
Axis finishes two bearing positions, guarantees the concentricity of bearing position with this.
The above-mentioned method positioned with shop bolt is often only applicable to be parallel to the direction of axis perpendicular to joint face
Have it is enough cut space, lathe can process pin hole from the direction perpendicular to joint face.However, often some connection between
Do not have the space that lathe cuts perpendicular to the direction of joint face.
Embodiment
Fig. 1 shows the structural schematic diagram at 100 first visual angle of positioning component provided by the embodiment of the utility model, please refers to
Fig. 1 present embodiments provides a kind of positioning component 100, and in the present embodiment, positioning component 100 is mainly used for centrifugal compressor
Machine class rotating machinery positions two bearings, it should be noted that in the other embodiments of the utility model, positioning component
100 can be used for positioning other workpiece.
In detail, Fig. 1 shows the structural schematic diagram that positioning component 100 positions two workpiece.
In the present embodiment, positioning component 100 positions the first workpiece 101, second workpiece 102.First workpiece 101 and
The coaxial arrangement of two workpiece 102.
Positioning component 100 includes the first key 110, the second key 120, the first workpiece 101 and 102 junction interval of second workpiece
Setting and respectively with the first key 110, matched first keyway of the second key 120, the second keyway (not marked in figure), the first keyway,
Second keyway extends along the first workpiece axial direction；
The plane and first that axis, the axis of the second keyway along its length of first keyway along its length collectively form
The axis antarafacial of workpiece 101.
In other words, the first key 110 is matched with the first keyway, and the first key 110 is installed in the first keyway, the second key 120 peace
Loaded in the second keyway, the first keyway, the second keyway extend along the first workpiece axial direction；The axis of first keyway length direction
The axis antarafacial of plane and the first workpiece 101 that the axis of line and the second keyway length direction is formed.In other words, by the first key
Groove center, the second key slot center line and the first workpiece 101 axis it is non-intersecting.
Correspondingly, the axis by the line and the first workpiece 101 at 110 center of the first key, 120 center of the second key is non-intersecting.
The axis of plane and 120 center of the second key and the first workpiece 101 that the axis of first key, 110 center and the first workpiece 101 is constituted
Angle between the plane of composition is not 180 °.
Positioning component 100 passes through first key 110, the second key 120 with 101 axis of the first workpiece with certain angle
Cooperation corrects the displacement between the first workpiece 101 and second workpiece 102 by the first key 110, the second key 120, from two sides
Position is overlapped the first workpiece 101,102 axis of second workpiece, achievees the purpose that correction positioning is overlapped axis.Positioning component 100
It can guarantee that connector reassembles rear position recovering degree after removal.
At the space for not having processing pin hole at the first workpiece 101 and 102 link position of second workpiece, using positioning
Component 100 can achieve the purpose for guaranteeing that the first workpiece 101 is concentric with second workpiece 102.
Further, in the present embodiment, the first keyway, the first workpiece 101 axis formed the first plane (do not show in figure
Out)；Axis the second plane of formation of second keyway, the first workpiece 101；Angle between first plane and the second plane is 60 °-
120°。
Fig. 2 shows the structural schematic diagrams at 100 second visual angle of positioning component provided by the embodiment of the utility model, please refer to
Fig. 2.
In the present embodiment, the first keyway axis along its length, the first workpiece 101 axis form the first plane；
Second keyway axis along its length, the first workpiece 101 axis form the second plane；Between first plane and the second plane
Angle be 90 °.
Fig. 3 shows the structural schematic diagram of the first workpiece 101 provided in this embodiment.Please refer to Fig. 3.
Fig. 3 shows the first workpiece 101 two dotted lines along the visual angle figure of its axis direction, figure and represents above-mentioned first plane
With the second plane, in the present embodiment, the angle between the first plane and the second plane is 90 °.I.e. angle α is 90 °.
It should be noted that in the present embodiment, the angle between the first plane and the second plane is 90 °, refer at this
90 ° in field in admissible error range, and nisi 90 °.
In detail, when the angle between the first plane and the second plane is closer to 90 °, the effect of the correction of positioning component 100
Fruit is better, and error is smaller.
In the present embodiment, the first key 110 and the second key 120 are flat key, in the other embodiments of the utility model,
First key 110 and the second key 120 or woodruff key etc..
Fig. 4 shows the structural schematic diagram of the first key 110 provided by the embodiment of the utility model, please refers to Fig. 4.
In the present embodiment, the first key 110 is configured with bolt (Fig. 3 is to be not shown), the first workpiece 101 or second workpiece
102 are provided with and the matched bolt hole of bolt.
In other words, the first key 110 is configured with through-hole 111, the first key 110 can by bolt and the first workpiece 101 or
Second workpiece 102 connects.
Bolt passes through through-hole 111, bolt hole, and the first key 110 is connect with the first workpiece 101 or second workpiece 102, is kept away
Exempting from the first key 110, the first key 110 is dropped out out of first keyway in the process of running with second workpiece 102 in the first workpiece 101.
It should be noted that in the present embodiment, through-hole 111 is only passed through for bolt, there is no internal screw thread, bolt hole is arranged
Inside it is provided with internal screw thread.
Fig. 5 shows the schematic diagram of internal structure of the first key 110 provided by the embodiment of the utility model, please refers to Fig. 5.
In the present embodiment, the first key 110 is provided with top wire hole 112, and top wire hole 112 and the interval of through-hole 111 are arranged, jackscrew
Across top wire hole 112 convenient for the disassembly to the first key 110.
In the present embodiment, the first keyway is symmetrical arranged about the plane between the first workpiece 101 and second workpiece 102.
Correspondingly, the first key 110 and the first workpiece 101 are identical as the contact area between second workpiece 102, are conducive to the flat of torque
Weighing apparatus, makes 110 uniform force of the first key.
In the present embodiment, the second key 120 is identical as structure, the shape of the first key 110, and the present embodiment will not be described in great detail.
It should be noted that the second key 120 can also be with 110 shape of the first key in the other embodiments of the utility model
Shape, size dimension etc. be not identical, and the present embodiment is not limited.
In the present embodiment, positioning component 100 includes two keys i.e. the first key 110 and the second key 120.
It should be noted that positioning component 100 is not limited only to the quantity of two keys in the embodiments of the present invention,
For example, positioning component 100 further includes third key, third key and the first key 110, in the other embodiments of the utility model
Two keys 120 are spaced setting, and the first workpiece 101 is provided with and the matched third keyway of third key with 102 junction of second workpiece.
Further, circumferentially array is arranged for third key, the first key 110, the second key 120.Third key, the first key 110,
Point connection where two key 120 is triangular in shape, has the function of more stable.
The major advantage of positioning component 100 provided by the embodiment of the utility model is:
Positioning component 100 passes through first key 110, the second key 120 with 101 axis of the first workpiece with certain angle
Cooperation corrects the displacement between the first workpiece 101 and second workpiece 102 by the first key 110, the second key 120, from two sides
Position is overlapped the first workpiece 101,102 axis of second workpiece, achievees the purpose that correction positioning is overlapped axis.Positioning component 100
It can guarantee that connector reassembles rear position recovering degree after removal.
At the space for not having processing pin hole at the first workpiece 101 and 102 link position of second workpiece, using positioning
Component 100 can achieve the purpose for guaranteeing that the first workpiece 101 is concentric with second workpiece 102.
The utility model also provides a kind of coaxial workpiece, and coaxial workpiece includes above-mentioned positioning component 100.Further,
Coaxial workpiece further includes the first workpiece 101, second workpiece 102.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of positioning component, which is characterized in that the positioning component is used to position the first workpiece and the second work of coaxial arrangement
Part；
The positioning component includes the first key, the second key, first workpiece and second workpiece junction interval be arranged and
Respectively with first key, matched first keyway of second key, the second keyway, first keyway, second keyway
Extend along the first workpiece axial direction；
Plane that axis, the axis of second keyway along its length of first keyway along its length collectively form with
The axis antarafacial of first workpiece.
2. positioning component according to claim 1, which is characterized in that first keyway axis along its length, institute
State the first plane and axis, first workpiece of second keyway along its length that the axis of the first workpiece collectively forms
The second plane for collectively forming of axis between angle be 60 ° -120 °.
3. positioning component according to claim 2, which is characterized in that first plane and second plane are mutually hung down
Directly.
4. positioning component according to claim 1, which is characterized in that first key and/or second key are flat key.
5. positioning component according to claim 1, which is characterized in that first key, second key are each equipped with spiral shell
Bolt, first workpiece or the second workpiece are provided with and the matched threaded hole of the bolt.
6. positioning component according to claim 1-5, which is characterized in that first key, second key are equal
It is provided with top wire hole.
7. positioning component according to claim 1-5, which is characterized in that first keyway is about described first
Plane between workpiece and the second workpiece is symmetrical arranged.
8. positioning component according to claim 1, which is characterized in that the positioning component further includes third key, and described
Three keys and first key, second key are spaced setting, and first workpiece is provided with the second workpiece junction
With the matched third keyway of the third key.
9. positioning component according to claim 8, which is characterized in that the third key, first key, second key
Circumferentially array is arranged.
10. a kind of coaxial workpiece, which is characterized in that the coaxial workpiece includes the described in any item positioning groups of claim 1-9
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821547516.8U CN208885703U (en) | 2018-09-20 | 2018-09-20 | Positioning component and coaxial workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821547516.8U CN208885703U (en) | 2018-09-20 | 2018-09-20 | Positioning component and coaxial workpiece |
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| Publication Number | Publication Date |
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| CN208885703U true CN208885703U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821547516.8U Active CN208885703U (en) | 2018-09-20 | 2018-09-20 | Positioning component and coaxial workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118553497A (en) * | 2024-07-26 | 2024-08-27 | 中国科学院合肥物质科学研究院 | Connection structure for fusion reactor superconducting magnet |
-
2018
- 2018-09-20 CN CN201821547516.8U patent/CN208885703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118553497A (en) * | 2024-07-26 | 2024-08-27 | 中国科学院合肥物质科学研究院 | Connection structure for fusion reactor superconducting magnet |
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