CN104690678B - A kind of device for fast quick-detach damper bolt - Google Patents
A kind of device for fast quick-detach damper bolt Download PDFInfo
- Publication number
- CN104690678B CN104690678B CN201310646132.7A CN201310646132A CN104690678B CN 104690678 B CN104690678 B CN 104690678B CN 201310646132 A CN201310646132 A CN 201310646132A CN 104690678 B CN104690678 B CN 104690678B
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- CN
- China
- Prior art keywords
- bolt
- damper
- slave
- drive
- fixture block
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Classifications
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- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a kind of device for fast quick-detach damper bolt, it is possible to fast quick-detach damper bolt in less space.Technical scheme includes: drive the plug body portion of bolt and slave bolt to be followed successively by non-cylindrical part, polished rod part, threaded portion from top to bottom；Drive bolt footpath big with the threaded portion of slave bolt identical with pitch, but oppositely oriented；The non-cylindrical driving bolt partially passes through driving gear, drives the threaded portion of bolt to screw in the first screwed hole of fixture block, withstands on backing plate upper surface；The non-cylindrical of slave bolt partially passes through driven gear, and the threaded portion of slave bolt screws in the second screwed hole of fixture block, withstands on backing plate upper surface；Drive bolt and drive gear to rotate coaxially, driving gear and driven gear engaged transmission, driven gear and slave bolt to rotate coaxially；Drive gear big with driven gear etc. and shape is identical.
Description
Technical field
The present invention relates to helicopter design test field, particularly relate to one and hinder for fast quick-detach
The device of Buddhist nun's device bolt.
Background technology
In Helicopter Main Hub center piece fatigue test, need to make regular check on damper bolt
Behaviour in service (appearance and size and tolerance, surface abrasion, crimp etc.).
Implement step as follows:
1, decomposition run part and loading fixture；
2, bolt is taken out；
3, bolt surface abrasion status is observed；
4, appearance and size and the tolerance of bolt are measured；
5, decide whether to change bolt；
6, bolt, testpieces and fixture are reinstalled.
In fatigue test, the damper auricle of center piece and damper load handle and use hinged company
Connecing form, damper bolt therein bears bigger shearing force, can produce and significantly extrude change
Shape.Dismounting damper bolt (damper bolt is taken out from the damper auricle of center piece)
Need the axial removal force more than 20kN.For solving the regular of damper bolt in process of the test
Dismounting, needs to invent a set of axial removal force device that can produce, during dismounting,
This device guarantees center piece does not produce any uncertain, potential impact.
At present, demounting bolt have two kinds of operation principles: the 1st kind is back-out mode, first,
The face of cylinder of fishbolt or termination；Then, by mechanical device, hydraulic means or gas
Dynamic device applies moment；Finally, bolt is separated from the part coordinated with it.Operation principle
It is exactly that corrosion bolt is held tightly, utilizes handle to increase the arm of force, it is achieved Bolt dismantling.Existing LCS
Bolt detacher, on the basis of bolt axis, is fixed on the face of cylinder of bolt by fixture block, produces
Moment of torsion centered by bolt axis, is shaken the pine oxide layer of screw thread pair and getting rusty by vibration force
Occlusal surface, it is achieved Bolt dismantling.
2nd kind is pushing method, applies a side force passed through centered by bolt axis,
Bolt is ejected from hole.Operation principle: by U-shaped handle, one end is provided with screwed hole, spiral shell
Line push rod is assembled in screwed hole, rotates push rod and is directly ejected by bolt.
Back-out mode and pushing method are required for bigger operating space, screw out the device knot of mode
Structure is complicated, is only applicable to screw thread pair structure, and pushing method to be executed threaded termination on bolt
Afterburning.In Helicopter Main Hub center piece fatigue test, due to damper auricle layout and
Design feature, on bolt, threaded termination surrounding space is less, and both the above method all cannot
Meet damper bolt regular dismounting requirement.
Summary of the invention
The technical problem to be solved in the present invention: provide a kind of for fast quick-detach damper bolt
Device, it is possible to fast quick-detach damper bolt in less space.
Technical scheme: a kind of device for fast quick-detach damper bolt, including:
Drive bolt, drive gear, slave bolt, driven gear, fixture block, backing plate, cushion block；
Wherein, cushion block between nut and center piece body, cushion block upper surface and nut bottom
Fitting tightly, cushion block lower surface fits tightly with center piece inner body wall；
The plug body portion driving bolt and slave bolt is followed successively by non-cylindrical part, light from top to bottom
Bar part, threaded portion；Drive bolt footpath big with the threaded portion of slave bolt identical with pitch,
But it is oppositely oriented；The non-cylindrical driving bolt partially passes through driving gear, drives the spiral shell of bolt
Line part screws in the first screwed hole of fixture block, withstands on backing plate upper surface；The non-cylindrical of slave bolt
Partially passing through driven gear, the threaded portion of slave bolt screws in the second screwed hole of fixture block, top
At backing plate upper surface；Drive bolt and drive gear to rotate coaxially, driving gear and driven gear
Engaged transmission, driven gear and slave bolt rotate coaxially；Drive gear and driven gear etc. big
And shape is identical；
Fixture block is provided with a U-lag mated with damper bolt light rod part and one and resistance
The circular groove of Buddhist nun's device bolt end coupling；The U-lag of fixture block is connected to damper bolt light rod
Part；Damper bolt end part is positioned at inside the circular groove of fixture block；
First screwed hole of described fixture block and the second screwed hole are to the distance phase of U-lag center line
Deng；
Backing plate center has the U-shaped breach mated with damper bolt light rod part, described backing plate
Being enclosed within center piece damper auricle, backing plate U-shaped breach is connected to damper bolt light rod portion
Point.
Beneficial effects of the present invention: the present invention is applied to drive the torque axis on bolt to become logical
The axial tension of overdamp device bolt centerline, simple in construction, there is versatility, it is possible to relatively
Fast quick-detach damper bolt in little space, and during dismounting, central authorities can be protected
Part and damper bolt do not sustain damage.
Accompanying drawing explanation
Fig. 1 is first structural representation of apparatus of the present invention.
Fig. 2 is second structural representation of apparatus of the present invention.
Detailed description of the invention
Below the present invention is described in further details.
As shown in Figure 1, 2, the present invention is a kind of device for fast quick-detach damper bolt,
Including: drive bolt 1, drive gear 21, slave bolt 4, driven gear 22, fixture block 5,
Backing plate 6, cushion block 7.
Wherein, cushion block 7 between nut 10 and center piece 8 body, cushion block 7 upper surface
Fitting tightly with nut 10 bottom, cushion block 7 lower surface closely pastes with center piece 8 inner body wall
Close.
The plug body portion driving bolt 1 and slave bolt 4 is followed successively by non-cylindrical portion from top to bottom
Point, polished rod part, threaded portion；Drive bolt 1 and the big footpath of threaded portion of slave bolt 4
Identical with pitch, but oppositely oriented；The non-cylindrical driving bolt 1 partially passes through driving gear
21, drive the threaded portion of bolt 1 to screw in the first screwed hole of fixture block 5, withstand on backing plate 6
Surface；The non-cylindrical of slave bolt 4 partially passes through driven gear 22, the spiral shell of slave bolt 4
Line part screws in the second screwed hole of fixture block 5, withstands on backing plate 6 upper surface；Drive bolt 1 He
Drive gear 21 to rotate coaxially, drive gear 21 and driven gear 22 engaged transmission, driven
Gear 22 and slave bolt 4 rotate coaxially；Drive gear 21 and driven gear 22 etc. big and
Shape is identical.
Fixture block 5 be provided with a U-lag mated with damper bolt 9 polished rod part and one with
The circular groove of damper bolt 9 termination coupling；The U-lag of fixture block 5 is connected to damper spiral shell
Bolt 9 polished rod part；Damper bolt 9 end portion is positioned at inside the circular groove of fixture block 5.
First screwed hole of described fixture block 5 and the second screwed hole are to the distance phase of U-lag center line
Deng.
Backing plate 6 center has the U-shaped breach mated with damper bolt 9 polished rod part, described
Backing plate 6 is enclosed within center piece 8 damper auricle, and the U-shaped breach of backing plate 6 is connected to damper
Bolt 9 polished rod part.The thickness range of choice of described backing plate 6 is 1-2mm, prevents from driving spiral shell
Center piece 8 damper auricle is caused damage by bolt 1 and slave bolt 4.
Fixture block 5 thickness selects according to the thickness of nut 10, and the thickness of fixture block 5 is more than 8mm, protects
Card drives the rigidity that bolt 1 and slave bolt 4 are connected with fixture block 5.
Further, the present invention also includes guide pad for the device of fast quick-detach damper bolt
3, described guide pad 3 has two through holes, said two through hole respectively with drive bolt 1 light
The polished rod part of bar part and slave bolt 4 is adaptive, drives the polished rod of bolt 1 to partially pass through one
Individual through hole, the polished rod of slave bolt 4 partially passes through another through hole.Guide pad 3 is used for preventing
Bolt 1 and slave bolt 4 is driven to bear lateral load during gear drive and be deformed.
During use, cushion block 7 is installed between nut 10 and center piece 8 body, by damping
Relatively rotating of device bolt 9 and nut 10, nut 10 screws out from damper bolt 9, with
Time produce one by the axial force of damper bolt 9 center line, by the end of damper bolt 9
Face separates with the damper auricle of center piece 8.By backing plate 6, fixture block 5, drive bolt 1,
Gear 21, slave bolt 4 and driven gear 22 is driven to be installed to the termination of damper bolt 9
On.
This device, on the basis of the center line of damper bolt, is connected to the end of bolt by fixture block
Head, rotates and drives bolt, drives gear pair (driving gear drive driven gear) and driven
Bolt rotates accordingly, drives bolt identical with the angle that slave bolt rotates.Because driving bolt
Identical with pitch with the Major Diam of slave bolt, but oppositely oriented, so driving bolt
With a pair side force equal in magnitude, that direction is identical of generation on the center line of slave bolt, pass through
Backing plate is applied on the damper auricle of center piece.The center line driving bolt and slave bolt arrives
The distance of the center line of damper bolt is equal, so, the two side force synthesizes on fixture block
One, by the axial tension of damper bolt centerline, is finally applied to damp the termination of bolt
On, damper bolt is pulled out from the damper auricle of center piece.
Ordinary circumstance, the quantity of slave bolt can select one, if what provision for disengagement produced
Axial force, less than the removal force of damper bolt, can increase the quantity of slave bolt, and such as two
Root or three, the most corresponding quantity increasing gear and adjust and drive bolt and slave bolt and resistance
The position of Buddhist nun's device bolt, it is ensured that be applied to drive the torque axis on bolt to be transformed into and pass through damper
The axial tension of bolt centerline.
Claims (2)
1. for the device of fast quick-detach damper bolt, including: drive gear, from
Moving gear, it is characterised in that also include: drive bolt, slave bolt, fixture block, backing plate,
Cushion block；
Wherein, cushion block between nut and center piece body, cushion block upper surface and nut bottom
Fitting tightly, cushion block lower surface fits tightly with center piece inner body wall；
The plug body portion driving bolt and slave bolt is followed successively by non-cylindrical part, light from top to bottom
Bar part, threaded portion；Drive bolt footpath big with the threaded portion of slave bolt identical with pitch,
But it is oppositely oriented；The non-cylindrical driving bolt partially passes through driving gear, drives the spiral shell of bolt
Line part screws in the first screwed hole of fixture block, withstands on backing plate upper surface；The non-cylindrical of slave bolt
Partially passing through driven gear, the threaded portion of slave bolt screws in the second screwed hole of fixture block, top
At backing plate upper surface；Drive bolt and drive gear to rotate coaxially, driving gear and driven gear
Engaged transmission, driven gear and slave bolt rotate coaxially；Drive gear and driven gear etc. big
And shape is identical；
Fixture block is provided with a U-lag mated with damper bolt light rod part and one and resistance
The circular groove of Buddhist nun's device bolt end coupling；The U-lag of fixture block is connected to damper bolt light rod
Part；Damper bolt end part is positioned at inside the circular groove of fixture block；
First screwed hole of described fixture block and the second screwed hole are to the distance phase of U-lag center line
Deng；
Backing plate center has the U-shaped breach mated with damper bolt light rod part, described backing plate
Being enclosed within center piece damper auricle, backing plate U-shaped breach is connected to damper bolt light rod portion
Point.
A kind of device for fast quick-detach damper bolt,
It is characterized in that, also include that guide pad, described guide pad have two through holes, said two through hole
Adaptive with the polished rod part of the polished rod part and slave bolt that drive bolt respectively, drive bolt
Polished rod partially passes through a through hole, and the polished rod of slave bolt partially passes through another through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646132.7A CN104690678B (en) | 2013-12-04 | 2013-12-04 | A kind of device for fast quick-detach damper bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646132.7A CN104690678B (en) | 2013-12-04 | 2013-12-04 | A kind of device for fast quick-detach damper bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690678A CN104690678A (en) | 2015-06-10 |
| CN104690678B true CN104690678B (en) | 2016-09-07 |
Family
ID=53338428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310646132.7A Active CN104690678B (en) | 2013-12-04 | 2013-12-04 | A kind of device for fast quick-detach damper bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104690678B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207801A (en) * | 2020-03-13 | 2020-05-29 | 江苏伸辰智能仪器有限公司 | High-strength electromagnetic water meter |
| CN112959253B (en) * | 2021-02-17 | 2024-02-27 | 杭州伊西威威网络科技有限公司 | Electric tool for screwing screw |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518896A (en) * | 2009-03-30 | 2009-09-02 | 赵士华 | Adjustable combined detacher |
| CN201833164U (en) * | 2010-10-09 | 2011-05-18 | 中国人民解放军装甲兵技术学院 | Double-shaft pitch-variable thread knob mechanism |
| CN202129620U (en) * | 2011-05-11 | 2012-02-01 | 泸州职业技术学院 | Bolt dismounting device |
| CN202144013U (en) * | 2011-05-30 | 2012-02-15 | 昆明学院 | Double-nut synchronous installing and dismounting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200448585Y1 (en) * | 2008-06-26 | 2010-04-26 | 현대제철 주식회사 | A Jig for Assembling a Gear Coupling |
-
2013
- 2013-12-04 CN CN201310646132.7A patent/CN104690678B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518896A (en) * | 2009-03-30 | 2009-09-02 | 赵士华 | Adjustable combined detacher |
| CN201833164U (en) * | 2010-10-09 | 2011-05-18 | 中国人民解放军装甲兵技术学院 | Double-shaft pitch-variable thread knob mechanism |
| CN202129620U (en) * | 2011-05-11 | 2012-02-01 | 泸州职业技术学院 | Bolt dismounting device |
| CN202144013U (en) * | 2011-05-30 | 2012-02-15 | 昆明学院 | Double-nut synchronous installing and dismounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104690678A (en) | 2015-06-10 |
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| C14 | Grant of patent or utility model | ||
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