CN209632863U - A kind of cam generation radial displacement tensioning device - Google Patents
A kind of cam generation radial displacement tensioning device Download PDFInfo
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- CN209632863U CN209632863U CN201920069135.1U CN201920069135U CN209632863U CN 209632863 U CN209632863 U CN 209632863U CN 201920069135 U CN201920069135 U CN 201920069135U CN 209632863 U CN209632863 U CN 209632863U
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- locating shaft
- cam
- product
- radial
- tension mandrel
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- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 2
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- 239000000284 extract Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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Abstract
The utility model belongs to aviation assembly technology equipment field, is related to a kind of cam generation radial displacement tensioning device.The device includes positioning support, locating shaft, cam tension mandrel, gasket, locking nut, guiding tensioner key and elastic spring；Positioning support is cylindrical shape, is fixed on assembly jig and plays a supportive role；Locating shaft is equipped with 6 radial slots, inside sets ladder hole；Cam tension mandrel external cylindrical surface is equipped with 6 radial cambered surface grooves, and cambered surface groove is directed at the radial slot on locating shaft；Guiding tensioner key is mounted in 6 radial slots of locating shaft, and both ends are blocked with elastic spring；Rotate release and falling that cam tension mandrel realizes guiding tensioner key radially slot；Locking nut is mounted between locking nut and product for the product that is locked, gasket.The radial dimension that the utility model realizes locating shaft has large range of adjustment amount, is accurately positioned, reliable clamping, and locating shaft is not contacted with product when extracted, ensure that the surface quality of product.
Description
Technical field
The utility model belongs to aviation assembly technology equipment field, is related to a kind of cam generation radial displacement tensioning device.
Background technique
Either military aircraft or civil aircraft, all presence are largely different with hole characteristic in aviation assembly field
Shape part needs to guarantee by assembly tooling its correct theoretical position, generally there is the requirement of concentricity.Conventional assembly
Tooling be matched by stiff shaft or elastic expanding axle construction with by positioning product inner hole to guarantee, but position set after and other
Product can all have erection stress after being linked and packed, to generate stress deformation, locating shaft when product undercarriage be made to be difficult to extract.Though
Right elastic expanding axle construction radially has certain bullet variable, but is also not enough to overcome deflection caused by erection stress.
Utility model content
In view of the problems of the existing technology, the utility model proposes a kind of cams to generate radial displacement tensioning device, energy
It is enough to realize that guaranteeing that the radial dimension of locating shaft when product undercarriage narrows down to while accurate positioning, reliable clamping is enough to overcome assembly
The radial dimension of deflection caused by stress, i.e. realization locating shaft can have large range of variation.So not only under product
Frame is easier, and is also ensured that locating shaft is not contacted with product when extracted, is prevented scratching products.
The technical solution of the utility model are as follows:
A kind of cam generation radial displacement tensioning device, including positioning support 1, locating shaft 2, cam tension mandrel 3, gasket
4, locking nut 5, guiding tensioner key 6 and elastic spring 7；
The positioning support 1 is cylindrical shape, is fixed on assembly jig and plays a supportive role, the left end face of positioning support 1
For the end face of positioning product 8；
The locating shaft 2 penetrates positioning support 1 from right side, and left side extension end external cylindrical surface is equipped with 6 radial slots, is used for
Installation guiding tensioner key 6；Ladder hole is equipped in locating shaft 2, left side is major diameter hole section, and right side path hole section has screw thread；Institute
Stating cam tension mandrel 3 is multi-diameter shaft, and left side major diameter section external cylindrical surface is equipped with 6 radial cambered surface grooves, and right side path section is equipped with
External screw thread, path section end are rotation shaft part, and cam tension mandrel 3 is penetrated from 2 major diameter nose end of locating shaft, path section and locating shaft
2 path hole section is threadedly coupled, and rotation rotation shaft part passes through screw-driven for 6 of cam tension mandrel 3 radial cambered surface grooves
6 radial slots being aligned on locating shaft；
6 lower surface of guiding tensioner key be cam it is arc-shaped, upper surface be it is arc-shaped, be mounted on 6 diameters of locating shaft 2
Into slot, radially slot is slided up and down, and both ends elastic spring 7 blocks, and prevents it from sliding axially；6 are oriented to tensioner key 6
Upper surface forms the cylindrical surface with precision under tensioner state, and with 8 inner hole of product and tensioner, lower surface is risen with cam
The arc groove of tight mandrel 3 forms the conversion that axial displacement and radial displacement are realized in higher pair transmission, i.e. rotation cam tension mandrel 3
Realize the release and falling of guiding tensioner key 6 radially slot；The locking nut 5 is screwed onto 2 left end of locating shaft, for locking
Fixed product 8, the gasket 4 are mounted between locking nut 5 and product 8.
Cam tension mandrel 3 is rotated, makes the radial slot release for being oriented to tensioner key 6 along locating shaft 2, is calibrated and be oriented to micrometer
The cylindrical surface that tensioner key 6 is formed is having a size of by the fit dimension of 8 inner hole of positioning product；Product 8, gasket 4 and locking are successively installed
Nut 5；Cam tension mandrel 3 is rotated forward, releases guiding tensioner key 6, is applied expanding force on product 8, is realized the pressure of product 8
Tightly with positioning；When Product Assembly terminates undercarriage, back rotation cam tension mandrel 3, bullet of the guiding tensioner key 6 in elastic spring 7
Under power effect, the arc groove low spot of cam tension mandrel 3 is fallen into, unloads lower locking nut 5 and gasket 4, extracts product 8, is realized
The smooth undercarriage of product 8.
The utility model has the beneficial effects that
The radial dimension for realizing locating shaft has large range of adjustment amount, while realizing accurate positioning, reliable clamping
Guarantee to be easier when product undercarriage, locating shaft is not contacted with product when extracted, ensure that the surface quality of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of cam generates radial displacement tensioning device；
Fig. 2 is the axial sectional view that a kind of cam generates radial displacement tensioning device；
Fig. 3 is the radial cross-section that a kind of cam generates radial displacement tensioning device；
In figure: 1 positioning support；2 locating shafts；3 cam tension mandrels；4 gaskets；5 locking nuts；6 guiding tensioner keys；7 steel
Silk retaining ring；8 products.
Specific embodiment
Below in conjunction with attached drawing and technical solution, the specific embodiment of the utility model is further illustrated.
As shown in Figure 1, a kind of cam generates radial displacement tensioning device, including positioning support 1, locating shaft 2, cam tensioner
Mandrel 3, gasket 4, locking nut 5, guiding tensioner key 6 and elastic spring 7；
The positioning support 1 is cylindrical shape, is fixed on assembly jig and plays a supportive role, the left end face of positioning support 1
For the end face of positioning product 8；
The locating shaft 2 penetrates positioning support 1 from right side, and left side extension end external cylindrical surface is equipped with 6 radial slots, is used for
Installation guiding tensioner key 6；Ladder hole is equipped in locating shaft 2, left side is major diameter hole section, and right side path hole section has screw thread；Institute
Stating cam tension mandrel 3 is multi-diameter shaft, and left side major diameter section external cylindrical surface is equipped with 6 radial cambered surface grooves, and right side path section is equipped with
External screw thread, path section end are rotation shaft part, and cam tension mandrel 3 is penetrated from 2 major diameter nose end of locating shaft, path section and locating shaft
2 path hole section is threadedly coupled, and rotation rotation shaft part passes through screw-driven for 6 of cam tension mandrel 3 radial cambered surface grooves
6 radial slots being aligned on locating shaft；
6 lower surface of guiding tensioner key be cam it is arc-shaped, upper surface be it is arc-shaped, be mounted on 6 diameters of locating shaft 2
Into slot, radially slot is slided up and down, and both ends elastic spring 7 blocks, and prevents it from sliding axially；6 are oriented to tensioner key 6
Upper surface forms the cylindrical surface with precision under tensioner state, and with 8 inner hole of product and tensioner, lower surface is risen with cam
The arc groove of tight mandrel 3 forms the conversion that axial displacement and radial displacement are realized in higher pair transmission, i.e. rotation cam tension mandrel 3
Realize the release and falling of guiding tensioner key 6 radially slot；The locking nut 5 is screwed onto 2 left end of locating shaft, for locking
Fixed product 8, the gasket 4 are mounted between locking nut 5 and product 8.
Cam tension mandrel 3 is rotated, makes the radial slot release for being oriented to tensioner key 6 along locating shaft 2, is calibrated and be oriented to micrometer
The cylindrical surface that tensioner key 6 is formed is having a size of by the fit dimension of 8 inner hole of positioning product；Product 8, gasket 4 and locking are successively installed
Nut 5；Cam tension mandrel 3 is rotated forward, releases guiding tensioner key 6, is applied expanding force on product 8, is realized the pressure of product 8
Tightly with positioning；When Product Assembly terminates undercarriage, back rotation cam tension mandrel 3, bullet of the guiding tensioner key 6 in elastic spring 7
Under power effect, the arc groove low spot of cam tension mandrel 3 is fallen into, unloads lower locking nut 5 and gasket 4, extracts product 8, is realized
The smooth undercarriage of product 8.
In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (1)
1. a kind of cam generates radial displacement tensioning device, which is characterized in that the cam generates radial displacement tensioning device
Including positioning support (1), locating shaft (2), cam tension mandrel (3), gasket (4), locking nut (5), guiding tensioner key (6) and
Elastic spring (7)；
The positioning support (1) is cylindrical shape, is fixed on assembly jig and plays a supportive role, the left end face of positioning support (1)
For the end face of positioning product (8)；
The locating shaft (2) penetrates positioning support (1) from right side, and left side extension end external cylindrical surface is equipped with (6) a radial slot, uses
Tensioner key (6) are oriented in installation；Ladder hole is equipped in locating shaft (2), left side is major diameter hole section, and right side path hole section has spiral shell
Line；The cam tension mandrel (3) is multi-diameter shaft, and left side major diameter section external cylindrical surface is equipped with 6 radial cambered surface grooves, right side path
Section is equipped with external screw thread, and path section end is rotation shaft part, and cam tension mandrel (3) is penetrated from locating shaft (2) major diameter nose end, path
Section is threadedly coupled with the path hole section of locating shaft (2), and rotation rotation shaft part passes through screw-driven for the 6 of cam tension mandrel (3)
6 radial slots on a radial direction cambered surface groove alignment locating shaft；
The guiding tensioner key (6) lower surface be cam it is arc-shaped, upper surface be it is arc-shaped, be mounted on 6 diameters of locating shaft (2)
Into slot, radially slot is slided up and down, and both ends are blocked with elastic spring (7), prevent it from sliding axially；6 guiding tensioner keys
(6) upper surface forms the cylindrical surface with precision under tensioner state, with product (8) inner hole and tensioner, lower surface
The conversion that axial displacement and radial displacement are realized in higher pair transmission is formed with the arc groove of cam tension mandrel (3), that is, is rotated convex
Take turns release and falling that tension mandrel (3) realize guiding tensioner key (6) radially slot；
The locking nut (5) is screwed onto locating shaft (2) left end, for the product that is locked (8)；Gasket (4) installation
Between locking nut (5) and product (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069135.1U CN209632863U (en) | 2019-01-16 | 2019-01-16 | A kind of cam generation radial displacement tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069135.1U CN209632863U (en) | 2019-01-16 | 2019-01-16 | A kind of cam generation radial displacement tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209632863U true CN209632863U (en) | 2019-11-15 |
Family
ID=68478206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920069135.1U Withdrawn - After Issue CN209632863U (en) | 2019-01-16 | 2019-01-16 | A kind of cam generation radial displacement tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209632863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676553A (en) * | 2019-01-16 | 2019-04-26 | 沈阳飞机工业（集团）有限公司 | A kind of cam generation radial displacement tensioning device |
| CN111251702A (en) * | 2020-02-25 | 2020-06-09 | 江西丰彩丽印刷包装有限公司 | Cam driving mechanism and offset press with same |
-
2019
- 2019-01-16 CN CN201920069135.1U patent/CN209632863U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676553A (en) * | 2019-01-16 | 2019-04-26 | 沈阳飞机工业（集团）有限公司 | A kind of cam generation radial displacement tensioning device |
| CN109676553B (en) * | 2019-01-16 | 2024-03-08 | 沈阳飞机工业（集团）有限公司 | Radial displacement tensioning device for cam |
| CN111251702A (en) * | 2020-02-25 | 2020-06-09 | 江西丰彩丽印刷包装有限公司 | Cam driving mechanism and offset press with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191115 Effective date of abandoning: 20240308 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191115 Effective date of abandoning: 20240308 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |