CN109676553A - A kind of cam generation radial displacement tensioning device - Google Patents
A kind of cam generation radial displacement tensioning device Download PDFInfo
- Publication number
- CN109676553A CN109676553A CN201910039299.4A CN201910039299A CN109676553A CN 109676553 A CN109676553 A CN 109676553A CN 201910039299 A CN201910039299 A CN 201910039299A CN 109676553 A CN109676553 A CN 109676553A
- Authority
- CN
- China
- Prior art keywords
- locating shaft
- cam
- product
- radial
- tension mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 18
- 230000003319 supportive effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 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
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention belongs to aviation assembly technology equipment fields, are 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 present invention 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 invention belongs to aviation assembly technology equipment fields, are 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.
Summary of the invention
In view of the problems of the existing technology, the present invention proposes that a kind of cam generates radial displacement tensioning device, Neng Goushi
Now guarantee that the radial dimension of locating shaft when product undercarriage narrows down to while accurate positioning, reliable clamping to be enough to overcome erection stress
The radial dimension of caused deflection, i.e. realization locating shaft can have large range of variation.Not only product undercarriage ratio in this way
It is easier to, also ensures that locating shaft is not contacted with product when extracted, prevent scratching products.
The technical solution of the present invention is 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.
Beneficial effects of the present invention:
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, specific embodiments of the present invention are 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 present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
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 |
|---|---|---|---|
| CN201910039299.4A CN109676553B (en) | 2019-01-16 | 2019-01-16 | Radial displacement tensioning device for cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039299.4A CN109676553B (en) | 2019-01-16 | 2019-01-16 | Radial displacement tensioning device for cam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109676553A true CN109676553A (en) | 2019-04-26 |
| CN109676553B CN109676553B (en) | 2024-03-08 |
Family
ID=66192445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910039299.4A Active CN109676553B (en) | 2019-01-16 | 2019-01-16 | Radial displacement tensioning device for cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109676553B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398190A (en) * | 2019-07-29 | 2019-11-01 | 河北宣化工程机械股份有限公司 | A kind of construction machinery gear box shift fork cubing |
| CN111168441A (en) * | 2020-03-16 | 2020-05-19 | 沈阳飞机工业（集团）有限公司 | Stress-free pressing device |
| CN114473957A (en) * | 2021-12-07 | 2022-05-13 | 河南中光学集团有限公司 | Device for rapidly stopping threads and using method thereof |
| US11584528B2 (en) | 2020-09-03 | 2023-02-21 | B/E Aerospace, Inc. | Aircraft trolley retention device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005041858A1 (en) * | 2005-09-02 | 2007-03-08 | Gladkowski, Gerd | Clamping yoke of rectangular or quadratic shape for predominantly vertical machine tools has 4 to 16 exchangeable module clamping units and 3 different clamping unit sub-assemblies for fastening on adapter plate |
| CN103465204A (en) * | 2013-09-22 | 2013-12-25 | 江苏毅合捷汽车科技股份有限公司 | Tool fixture for installing nozzle ring |
| CN203371062U (en) * | 2013-07-26 | 2014-01-01 | 湖北三江航天万山特种车辆有限公司 | Tensioning taper mandrel |
| CN203655823U (en) * | 2013-12-30 | 2014-06-18 | 上海沃迪自动化装备股份有限公司 | Elastic internal expanding device |
| CN209632863U (en) * | 2019-01-16 | 2019-11-15 | 沈阳飞机工业（集团）有限公司 | A kind of cam generation radial displacement tensioning device |
-
2019
- 2019-01-16 CN CN201910039299.4A patent/CN109676553B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005041858A1 (en) * | 2005-09-02 | 2007-03-08 | Gladkowski, Gerd | Clamping yoke of rectangular or quadratic shape for predominantly vertical machine tools has 4 to 16 exchangeable module clamping units and 3 different clamping unit sub-assemblies for fastening on adapter plate |
| CN203371062U (en) * | 2013-07-26 | 2014-01-01 | 湖北三江航天万山特种车辆有限公司 | Tensioning taper mandrel |
| CN103465204A (en) * | 2013-09-22 | 2013-12-25 | 江苏毅合捷汽车科技股份有限公司 | Tool fixture for installing nozzle ring |
| CN203655823U (en) * | 2013-12-30 | 2014-06-18 | 上海沃迪自动化装备股份有限公司 | Elastic internal expanding device |
| CN209632863U (en) * | 2019-01-16 | 2019-11-15 | 沈阳飞机工业（集团）有限公司 | A kind of cam generation radial displacement tensioning device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398190A (en) * | 2019-07-29 | 2019-11-01 | 河北宣化工程机械股份有限公司 | A kind of construction machinery gear box shift fork cubing |
| CN111168441A (en) * | 2020-03-16 | 2020-05-19 | 沈阳飞机工业（集团）有限公司 | Stress-free pressing device |
| CN111168441B (en) * | 2020-03-16 | 2024-04-16 | 沈阳飞机工业（集团）有限公司 | Stress-free pressing device |
| US11584528B2 (en) | 2020-09-03 | 2023-02-21 | B/E Aerospace, Inc. | Aircraft trolley retention device |
| CN114473957A (en) * | 2021-12-07 | 2022-05-13 | 河南中光学集团有限公司 | Device for rapidly stopping threads and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109676553B (en) | 2024-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109676553A (en) | A kind of cam generation radial displacement tensioning device | |
| CN209632863U (en) | A kind of cam generation radial displacement tensioning device | |
| US3726151A (en) | Adjustable screw and nut device | |
| US4000556A (en) | Method and apparatus for pulling tubes | |
| US9217621B2 (en) | Turning holder | |
| SE413049B (en) | OF THREE PARTS COMPOSED BLIND TYPE CONNECTOR | |
| CN210118390U (en) | Insulating elastic cylindrical pin assembly for coupler | |
| CN104406478B (en) | A kind of measurement apparatus of revolving part beating degree | |
| CN103143790A (en) | Gear hobbing clamp for clamping synchronizer gear | |
| CN106695242A (en) | Shaft and pipe outer circle rolling device for center lathe | |
| CN202571500U (en) | Device for processing cylindrical disk-shaped gear | |
| US2249954A (en) | Gauge for measuring and checking dimensions and forms | |
| CN109707714A (en) | A kind of conical surface generation radial displacement tensioning device | |
| CN104439546A (en) | Axial floating positioning mandrel clamp | |
| CN109605256B (en) | High-precision spiral positioning and clamping device | |
| CN209818473U (en) | Conical surface radial displacement tensioning device | |
| CN103158032B (en) | Fine-adjustment fine boring unit | |
| WO2023010952A1 (en) | Roller shutter balance self-locking tail-controlling assembly and connection structure | |
| CN105464986B (en) | A kind of adjustable single screw compressor of star-wheel shafting | |
| US20230166388A1 (en) | Bit attachment device and tightening module | |
| CN109420802A (en) | A kind of axis radial direction float tapping mechanism | |
| CN210587233U (en) | Hydraulic expansion mandrel with external thread dismounting structure | |
| CN208976505U (en) | A kind of roll | |
| CN107584306B (en) | Conical expansion spring clamping device | |
| CN218050687U (en) | Hobbing clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |