CN205838506U - Jack pad - Google Patents
Jack pad Download PDFInfo
- Publication number
- CN205838506U CN205838506U CN201620538326.4U CN201620538326U CN205838506U CN 205838506 U CN205838506 U CN 205838506U CN 201620538326 U CN201620538326 U CN 201620538326U CN 205838506 U CN205838506 U CN 205838506U
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- Prior art keywords
- pin
- top pad
- jack top
- removable pin
- pad body
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- 238000002372 labelling Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
A jack pad can meet the limitation of structural design space and strength limitation, and can meet the requirement of fit tolerance between two pins on the jack pad and two pin holes on an aircraft structure. The jack pad can bear radial load directly or indirectly applied by an airplane and comprises a jack pad body, wherein two pins are arranged on a joint surface, opposite to the airplane, of the jack pad body, and two pin holes are correspondingly arranged on the joint surface, opposite to the jack pad body, of the airplane. In two round pins, a round pin is the fixed pin, and another round pin is the activity round pin, and the activity round pin is notch cuttype eccentric pin, and the top part of activity round pin is the part that needs insert the aircraft, and the below part of activity round pin is the part that is fixed in the jack pad body, and the central axis of top part is eccentric for the central axis of below part, is formed with the regulation hole that can supply the adjusting tool to get into in the bottom of activity round pin to make the activity round pin whole rotate for the jack pad body.
Description
Technical field
This utility model relates to a kind of jack top pad, a kind of jack top used aboard
Pad.
Background technology
As the jack top pad used aboard, according to airworthiness requirement need to bear via aircaft configuration directly or
Connect the power (radial load, lateral load) of the radial direction of applying.As a rule, this power from radial direction is by jack top pad
On pin and the pin-and-hole on aircaft configuration coordinating between the two bear.It addition, in view of structure design space limitation with
And intensity limits, single jack top pad generally requires two pins of use simultaneously, (radially carry from power radially to bear
Lotus).
It addition, once need to use two pins to bear from power (radial load) radially, then for jack top simultaneously
Pin on pad can compare high with the requirement of the fit tolerance between the pin-and-hole on aircaft configuration, but due to technologic restriction, flies
Two pin-and-hole positional precisions in machine structure are difficult to meet this higher tolerance, therefore, can make to be arranged at jack top
Two pins on pad are difficult to be inserted simultaneously in two pin-and-holes so that top pad installation becomes difficulty.
Therefore, how to design a kind of jack top pad, limitation and the intensity of structure design space can not only be met
Limit, and disclosure satisfy that the multiple pins on the pad of jack top and the fit tolerance between the multiple pin-and-holes on aircaft configuration will
Ask, become as technical problem urgently to be resolved hurrily.
Utility model content
This utility model is made for solving above-mentioned technical problem, its object is to provide a kind of jack top pad, it is possible to full
Limitation and the intensity of foot structure design space limit, and disclosure satisfy that the multiple pins on the pad of jack top and aircaft configuration
On multiple pin-and-holes between the requirement of fit tolerance.
In order to solve above-mentioned technical problem, first aspect of the present utility model provides a kind of jack top pad, it is possible to bear
The radial load directly or indirectly applied via external device (ED), including jack top pad body, at described jack top pad body
The faying face relative with described external device (ED) on be provided with multiple pin, at described external device (ED) with described jack top pad
On the faying face that described jack top pad body is relative, it is correspondingly provided with multiple pin-and-hole with multiple described pins, it is characterized in that,
In the plurality of pin, a pin is steady pin, and remaining one or more pins are removable pins, and each described removable pin is relative to described
The position of jack top pad body is fixing, each removable pin being inserted in each pin-and-hole of described external device (ED) each relatively
It is to regulate in the position of described steady pin.
By configured as described above, owing to, in the plurality of pin, a pin being arranged to steady pin, and by remaining pin
It is arranged to removable pin, and to make each described removable pin be fixing relative to the position of described jack top pad body, and make to insert
Entering each of each removable pin in each pin-and-hole of described external device (ED) is to regulate relative to the position of described steady pin, because of
This, it is possible to the limitation and the intensity that meet structure design space limit, and disclosure satisfy that the multiple pins on the pad of jack top
And the requirement of the fit tolerance between the multiple pin-and-holes on aircaft configuration.
The jack top pad of second aspect of the present utility model is the jack top pad in first aspect of the present utility model
On the basis of, it is characterized in that, described removable pin is the cam pin of notch cuttype, is divided into upper and lower two parts, described removable pin upper
Side's part is the part needing to insert described external device (ED), the section below of described removable pin be fixed on via fixture described
The part of the described jack top pad body of jack top pad, the central axis of the upper section of described removable pin is relative to described
The central axis of the section below of removable pin is eccentric, is formed with adjustment hole in the bottom of described removable pin, and this adjustment hole can supply
Regulation instrument enters, and rotates so that described removable pin is overall relative to the described jack top pad body of described jack top pad.
By configured as described above, due in the central axis of upper section and the section below of removable pin of removable pin
There is offset in mandrel line, therefore, because of eccentric reason so that when rotating removable pin, the upper portion branch of removable pin is relative
It is subjected to displacement in the section below of removable pin and the jack top pad body of jack top pad, it is possible to simple structure
Realize the distance regulation between steady pin and removable pin.
The jack top pad of the third aspect of the present utility model is the jack top pad in second aspect of the present utility model
On the basis of, it is characterized in that, the center of the section below of the central axis of the upper section of described removable pin and described removable pin
There is offset in axis, described offset is determined by the position of related features of the described pin-and-hole being located at described external device (ED).
By configured as described above, owing to utilizing the position of related features of the described pin-and-hole being located at described external device (ED) to determine work
There is offset with the central axis of the section below of removable pin in the central axis of the upper section of untie-sell, therefore, it is possible to utilize
The setting of this offset, makes the distance between removable pin and steady pin between both ultimate range that may be present and minimum ranges
It is adjusted.
The jack top pad of fourth aspect of the present utility model is the jack top pad in second aspect of the present utility model
On the basis of, it is characterized in that, the section below at described removable pin is provided with flange part, and the diameter of this flange part is than described activity
The diameter of the other parts in addition to described flange part of the section below of pin is big, and ratio is formed at described jack top pad simultaneously
The diameter of the installing hole on the pad body of described jack top is big, and described flange part is formed at the described very heavy of described jack top pad
The lower section of top, top pad body.
By configured as described above, owing to diameter ratio is formed at the installing hole on the jack top pad body of jack top pad
The big flange part of diameter be formed at the lower section of jack top pad body of jack top pad, therefore, it is possible to utilize above-mentioned flange
The position-limiting action in portion, prevents removable pin from moving up.
The jack top pad of the 5th aspect of the present utility model is the jack top pad in second aspect of the present utility model
On the basis of, it is characterized in that, between the section below of described removable pin and the described jack top pad body of described jack top pad
Gap coordinates, so that described removable pin entirety can be freely rotatable relative to described jack top pad body.
By configured as described above, each described removable pin overall (i.e. section below) can be made relative to described jack top pad
The position of body is fixed, without being circumferentially moved.
The jack top pad of the 6th aspect of the present utility model is the jack top pad in fourth aspect of the present utility model
On the basis of, it is characterized in that, described fixture is circular metallic plate, and the outside diameter of this metallic plate is more than described flange part
Diameter, interior circular diameter is less than the diameter of described flange part.
By configured as described above, described fixture (circular metallic plate) can be utilized to play removable pin is fixed
Effect.
The jack top pad of the 7th aspect of the present utility model is the jack top pad in second aspect of the present utility model
On the basis of, it is characterized in that, indicate eccentric direction labelling on described adjustment hole side, this eccentric direction labelling is for described in labelling
The position of the central axis of the upper section of removable pin.
By configured as described above, owing to indicating eccentric direction labelling on adjustment hole side, this eccentric direction labelling is used for
The position of the central axis of the upper section of removable pin described in labelling, therefore, when jack top pad is installed on aircaft configuration,
If it find that the distance of a certain removable pin distance steady pin is excessive, and cannot be installed in the corresponding pin-and-hole of aircaft configuration, then
Rotate removable pin, make to be positioned at the eccentric direction labelling bottom removable pin closer to steady pin, contrary if it find that a certain activity
The distance of pin distance steady pin is too small, then rotate removable pin, makes to be positioned at the eccentric direction labelling bottom removable pin and is located farther from solid
Rationed marketing.
The jack top pad of eighth aspect of the present utility model is the jack top pad in first aspect of the present utility model
On the basis of, it is characterized in that, described external device (ED) is aircraft.
By configured as described above, above-mentioned jack top pad can be desirably applied on aircraft.
The jack top pad of the 9th aspect of the present utility model is the jack top pad in second aspect of the present utility model
On the basis of, it is characterized in that, described regulation instrument is inner hexagon spanner, and described adjustment hole is hexagonal shape.
By configured as described above, the conventional regulation instruments such as such as inner hexagon spanner can be used, regulate the upper of removable pin
Side's part, relative to the section below of removable pin and the position of the jack top pad body of jack top pad, thus regulates work
Distance between untie-sell and steady pin.
The jack top pad of the tenth aspect of the present utility model is in first aspect of the present utility model to the 9th aspect
Either side jack top pad on the basis of, it is characterized in that, described jack top pad body with described external device (ED)
Two pins it are provided with, in the described jack top advance capital for described jack top pad of described external device (ED) on relative faying face
On the faying face that body is relative, being provided with two pin-and-holes, in selling at two, a pin is steady pin, and another pin is removable pin.
By configured as described above, can bear directly or indirectly apply via aircaft configuration with simple two dot structures
Radial load.
The jack top pad of the 11st aspect of the present utility model is to the 9th aspect in first aspect of the present utility model
In either side jack top pad on the basis of, it is characterized in that, described jack top pad body with described outside dress
Multiple securing member it is provided with on the faying face put.
By configured as described above, multiple securing member can be utilized, jack top pad body is linked with external device (ED).
Accompanying drawing explanation
Fig. 1 is the schematic configuration diagram representing adjustable lifting jack top of the present utility model pad.
Fig. 2 is the schematic diagram representing the removable pin in the pad of adjustable lifting jack top of the present utility model.
Fig. 3 is the elevational schematic view observing the removable pin the pad of adjustable lifting jack top of the present utility model from bottom.
Detailed description of the invention
Hereinafter, referring to the drawings, adjustable lifting jack top of the present utility model pad 100 is illustrated.
Fig. 1 to Fig. 3 is the figure of the adjustable lifting jack top pad 100 representing an embodiment of the present utility model.Wherein, figure
1 is the schematic configuration diagram representing adjustable lifting jack top of the present utility model pad 100, and Fig. 2 is to represent of the present utility model adjustable
The schematic diagram of the removable pin (pin 120) in formula jack top pad 100, Fig. 3 is to observe of the present utility model adjustable thousand from bottom
The elevational schematic view of the removable pin (pin 120) in top, jin top pad 100.
As it is shown in figure 1, the adjustable lifting jack top pad 100 of an embodiment of the present utility model can bear via aircraft
The radial load that structure (not shown) directly or indirectly applies.
Above-mentioned adjustable lifting jack top pad 100 includes jack top pad body 100A, jack top pad body 100A's
Two pins 110,120 it are provided with on the faying face relative with above-mentioned aircaft configuration, it addition, at the faying face with above-mentioned aircaft configuration
On be additionally provided with two securing members (such as bolt) 130.
Relative for the jack top pad body 100A faying face with above-mentioned adjustable lifting jack top pad 100 at aircaft configuration
On, it is correspondingly provided with two pin-and-holes (not shown) with above-mentioned two pin 110,120, is arranged at the thousand of jack top pad by making
The pin 110,120 of jin top top pad body 100A coordinates with the pin-and-hole being arranged at aircaft configuration, thus utilizes of the present utility model thousand
Top, jin top pad 100 bears above-mentioned radial load.
In above-mentioned two pin 110,120, one is steady pin (pin 110), and another pin is removable pin (pin 120).Logical
Cross mobile above-mentioned removable pin (pin 120) such that it is able to change the distance between each removable pin (pin 120) and steady pin (pin 110), with
Make in two pin-and-holes that two pins 110,120 of adjustable lifting jack top pad 100 can easily be inserted simultaneously on aircaft configuration.
As in figure 2 it is shown, the cam pin of above-mentioned removable pin (pin 120) e.g. notch cuttype, it is divided into upper and lower two parts, its
In, upper section 120A is the part needing to insert aircaft configuration, and section below 120B is solid via fixture (such as cover plate)
Part due to jack top pad body 100A.The central axis A1 of above-mentioned upper section 120A and above-mentioned section below 120B
There is small offset X, this offset X and determined by the position of related features of the pin-and-hole on aircaft configuration in central axis B1.
It addition, in section below 120B of above-mentioned removable pin (pin 120), be provided with flange part 120B1, this flange part
The diameter of 120B1 is than the diameter of the other parts in addition to flange part 120B1 of section below 120B of removable pin (pin 120)
Greatly, simultaneously big than the diameter of the installing hole (not shown) on the jack top pad body 100A being formed at jack top pad 100.Mat
This, when section below 120B of above-mentioned removable pin (pin 120) is joined with the pad body 100A gap, jack top of jack top pad 100
During conjunction, above-mentioned removable pin (pin 120) overall (upper section 120A and section below 120B) can be relative to jack top pad body
100A is freely rotatable, simultaneously because diameter ratio is formed at the installing hole on the jack top pad body 100A of jack top pad 100
The flange part 120B1 that the diameter of (not shown) is big is formed at the lower section of the jack top pad body 100A of jack top pad 100, because of
This, it is possible to utilize the position-limiting action of above-mentioned flange part 120B1, prevent removable pin (pin 120) from moving up.
It addition, above-mentioned fixing piece (such as cover plate) is although not shown, but can be such as circular metallic plate, its cylindrical be straight
The footpath diameter more than above-mentioned flange part 120B1, the interior circular diameter diameter less than above-mentioned flange part 120B1, thus plays activity
The effect that pin (pin 120) is fixed.
As it is shown on figure 3, be formed with adjustment hole 120C in the bottom of removable pin (pin 120), this adjustment hole 120C can be for adjusting
Joint instrument (such as inner hexagon spanner) enters, so that above-mentioned removable pin (pin 120) is overall relative to jack top pad body 100A
Rotate.
It addition, as it is shown on figure 3, indicate eccentric direction labelling M on above-mentioned adjustment hole 120C side, in order to operator confirm
The eccentric position of removable pin (pin 120).
When jack top pad 100 is installed on aircaft configuration, first, steady pin (pin 110) is inserted aircaft configuration
In pin-and-hole, if it find that the distance of a certain removable pin (pin 120) distance steady pin (pin 110) is excessive, and aircraft cannot be installed into
In the corresponding pin-and-hole of structure, then rotate removable pin (pin 120), make to be positioned at the eccentric direction labelling M of removable pin (pin 120) bottom
Closer to steady pin (pin 110), contrary if it find that the distance mistake of a certain removable pin (pin 120) distance steady pin (pin 110)
Little, then rotate removable pin (pin 120), make the eccentric direction labelling M being positioned at removable pin (pin 120) bottom be located farther from steady pin
(pin 110).
By configured as described above, due to the central axis A1 of upper section 120A and the removable pin of removable pin (pin 120)
There is offset X in the central axis B1 of section below 120B of (pin 120), therefore, because of eccentric reason so that in rotation activity
Pin (pin 120) time, the upper section 120A of removable pin (pin 120) can relative to section below 120B of removable pin (pin 120) with
And the jack top pad body 100A of jack top pad 100 is subjected to displacement, it is possible to realize steady pin (pin 110) and removable pin
Distance regulation between (pin 120).
Those of ordinary skill in the art will be readily apparent other advantage and amendment.Therefore, on it is wider range of for,
This utility model is not limited to detail shown and described herein and representative embodiment.Therefore, it can not taking off
Amendment is made on the premise of the spirit or scope of the general inventive concept limited from such as appended claims and equivalent thereof.
Such as, in an embodiment of the present utility model, it is shown that flying with above-mentioned of jack top pad body 100A
Be provided with two pins 110,120 on the faying face that machine structure is relative, and aircaft configuration with above-mentioned adjustable lifting jack top pad
On the faying face relative for jack top pad body 100A of 100, it is correspondingly provided with two pin-and-holes with above-mentioned two pin 110,120
The situation of (not shown).But this utility model is not limited to this, it is also possible to jack top pad body 100A with above-mentioned aircraft
Be provided with the pin of more than three on the faying face that structure is relative, and aircaft configuration with the thousand of above-mentioned adjustable lifting jack top pad
On the faying face that top, jin top pad body is relative, it is correspondingly provided with the pin-and-hole of more than three wherein with pin more than above three,
One pin is steady pin, and remaining plural pin is removable pin.It addition, jack top pad is being installed on aircaft configuration
Time, respectively each removable pin is adjusted relative to the position of steady pin, so that the pin of more than three can be properly inserted in
In three pin-and-holes.
Such as, in an embodiment of the present utility model, it is shown that also setting on the faying face of above-mentioned aircaft configuration
Being equipped with the situation of two securing members (such as bolt), but this utility model is not limited to this, the quantity of securing member is unrestricted, both
It can be one, it is also possible to be more than three.
Such as, in an embodiment of the present utility model, it is shown that as it is shown on figure 3, the e.g. interior hexagonal of regulation instrument
Spanner, adjustment hole 120C is hexagonal shape accordingly, as long as but regulation instrument can be by rotating after entering adjustment hole
Make removable pin rotate relative to jack top pad body, then the shape of the regulation instrument in this utility model and adjustment hole is not limited to
In above-mentioned hexagonal shape.
Such as, in an embodiment of the present utility model, it is the very heavy of use in aircraft with above-mentioned jack top pad
Being illustrated as a example by the pad of top, top, but this utility model is not limited to this, as long as any can bear via external device (ED) straight
The jack top pad of the radial load connect or indirectly apply, all can be suitable for said structure of the present utility model ideally.
Claims (11)
1. jack top pad (100), it is possible to bear the radial load directly or indirectly applied via external device (ED), including thousand
Jin top pad body, top (100A),
The faying face relative with described external device (ED) of described jack top pad body (100A) is provided with multiple pin (110,
120),
The combination relative with described jack top pad body (100A) of described jack top pad (100) at described external device (ED)
On face, it is correspondingly provided with multiple pin-and-hole with multiple described pins (110,120),
It is characterized in that,
In the plurality of pin (110,120), a pin (110) is steady pin, and remaining one or more pins (120) are movable
Pin,
Each described removable pin is fixing relative to the position of described jack top pad body (100A),
The each of each removable pin being inserted in each pin-and-hole of described external device (ED) is to adjust relative to the position of described steady pin
Joint.
2. jack top pad (100) as claimed in claim 1, it is characterised in that
Described removable pin is the cam pin of notch cuttype, is divided into upper and lower two parts,
The upper section (120A) of described removable pin is the part needing to insert described external device (ED),
The section below (120B) of described removable pin is to be fixed on the described very heavy of described jack top pad (100) via fixture
The part on top pad body, top (100A),
The central axis (A1) of the upper section (120A) of described removable pin is relative to the section below (120B) of described removable pin
Central axis (B1) eccentric,
Be formed with adjustment hole (120C) in the bottom of described removable pin, this adjustment hole (120C) can enter for regulation instrument, with
Overall described jack top pad body (100A) relative to described jack top pad (100) of described removable pin is made to rotate.
3. jack top pad (100) as claimed in claim 2, it is characterised in that
In the central axis (A1) of the upper section (120A) of described removable pin and the section below (120B) of described removable pin
There is offset (X) in mandrel line (B1),
Described offset (X) is determined by the position of related features of the described pin-and-hole being located at described external device (ED).
4. jack top pad (100) as claimed in claim 2, it is characterised in that
Section below (120B) at described removable pin is provided with flange part (120B1), and the diameter of this flange part (120B1) compares institute
The diameter of the other parts in addition to described flange part (120B1) stating the section below (120B) of removable pin is big, simultaneously than shape
The diameter of one-tenth installing hole on described jack top pad body (100A) of described jack top pad (100) is big,
Described flange part (120B1) is formed under described jack top pad body (100A) of described jack top pad (100)
Side.
5. jack top pad (100) as claimed in claim 2, it is characterised in that
The section below (120B) of described removable pin and described jack top pad body (100A) of described jack top pad (100)
Matched in clearance, so that described removable pin entirety can be freely rotatable relative to described jack top pad body (100A).
6. jack top pad (100) as claimed in claim 4, it is characterised in that
Described fixture is circular metallic plate, and the outside diameter of this metallic plate is more than the diameter of described flange part (120B1),
Interior circular diameter is less than the diameter of described flange part (120B1).
7. jack top pad (100) as claimed in claim 2, it is characterised in that
Indicating eccentric direction labelling (M) on described adjustment hole (120C) side, this eccentric direction labelling (M) is for living described in labelling
The position of the central axis (A1) of the upper section (120A) of untie-sell.
8. jack top pad (100) as claimed in claim 1, it is characterised in that
Described external device (ED) is aircraft.
9. jack top pad (100) as claimed in claim 2, it is characterised in that
Described regulation instrument is inner hexagon spanner,
Described adjustment hole (120C) is hexagonal shape.
10. jack top pad (100) as claimed in any one of claims 1-9 wherein, it is characterised in that
The faying face relative with described external device (ED) of described jack top pad body (100A) is provided with two pins (110,
120),
The combination relative with described jack top pad body (100A) of described jack top pad (100) at described external device (ED)
On face, it is provided with two pin-and-holes,
In two pins (110,120), a pin (110) is steady pin, and another pin (120) is removable pin.
11. jack tops pad (100) as claimed in any one of claims 1-9 wherein, it is characterised in that
It is provided with multiple securing member on the faying face of described external device (ED) described jack top pad body (100A)
(130)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538326.4U CN205838506U (en) | 2016-06-03 | 2016-06-03 | Jack pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538326.4U CN205838506U (en) | 2016-06-03 | 2016-06-03 | Jack pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205838506U true CN205838506U (en) | 2016-12-28 |
Family
ID=57622621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620538326.4U Active CN205838506U (en) | 2016-06-03 | 2016-06-03 | Jack pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205838506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3816053A1 (en) * | 2019-10-29 | 2021-05-05 | Gulfstream Aerospace Corporation | Jack pad device and method for jacking an aircraft |
-
2016
- 2016-06-03 CN CN201620538326.4U patent/CN205838506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3816053A1 (en) * | 2019-10-29 | 2021-05-05 | Gulfstream Aerospace Corporation | Jack pad device and method for jacking an aircraft |
| US11332351B2 (en) | 2019-10-29 | 2022-05-17 | Gulfstream Aerospace Corporation | Jack pad device and method for jacking an aircraft |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |