CN108657953A - A kind of hatch door balance erecting by overhang - Google Patents
A kind of hatch door balance erecting by overhang Download PDFInfo
- Publication number
- CN108657953A CN108657953A CN201810769254.8A CN201810769254A CN108657953A CN 108657953 A CN108657953 A CN 108657953A CN 201810769254 A CN201810769254 A CN 201810769254A CN 108657953 A CN108657953 A CN 108657953A
- Authority
- CN
- China
- Prior art keywords
- hatch door
- crossbeam
- steel wire
- fixed pulley
- overhang
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The invention discloses a kind of hatch doors to balance erecting by overhang, include the balance erecting by overhang of two groups of spacing setting, the hanging end that erecting by overhang is balanced described in two groups is separately positioned on the folding side on the left and right hatch door of nacelle, every group of balance erecting by overhang respectively includes the identical hanging mechanism of two groups of structures, hanging mechanism includes holder, crossbeam, the first balanced component, the second balanced component and slide assemblies, crossbeam is suspended in the top of nacelle, and slide assemblies are slidably arranged in along the length direction of crossbeam on the crossbeam；First balanced component, the second balanced component draw two glide directions of slide assemblies respectively, and two hatch doors of nacelle respectively open or be closed by the opposite or opposite sliding by the slide assemblies on two groups of balance erectings by overhang on crossbeam, two hatch doors.Invention provides a kind of hatch door balance erecting by overhang, center of gravity and center of gravity torque of the balance hatch door in opening procedure, tie surface simulated experiment.
Description
Technical field
The invention belongs to the weight balancing system of space flight experiment, more particularly to a kind of hatch door balances erecting by overhang.
Background technology
Nacelle needs to simulate opening and closing of the hatch door in space, but since hatch door is opened after ground-mounted
Center of gravity is inside hatch door in journey, during opening hatch door, it is difficult to balance the center of gravity and torque of two hatch doors and nacelle so that
Hatch door be likely to occur deflection setting damage.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of hatch door balance erecting by overhang,
Balance center of gravity and center of gravity torque of the hatch door in opening procedure, tie surface simulated experiment.
Technical solution：To achieve the above object, technical scheme is as follows：
A kind of hatch door balance erecting by overhang, includes the balance erecting by overhang of two groups of spacing setting, two groups of balance erectings by overhang
Between suspention be provided with nacelle, and the hanging end that erecting by overhang is balanced described in two groups is separately positioned on the left and right hatch door of nacelle
Folding side, described in every group balance erecting by overhang respectively include the identical hanging mechanism of two groups of structures, hanging mechanism described in two groups
It is separately positioned on the both ends on hatch door length direction；
The hanging mechanism includes holder, crossbeam, the first balanced component, the second balanced component and slide assemblies, the cross
Beam is arranged on the top of holder, and the crossbeam is suspended in the top of nacelle, and the beam vertical is in the folding center line of hatch door, institute
Slide assemblies are stated to be slidably arranged on the crossbeam along the length direction of crossbeam；First balanced component, the second balanced component
Setting is connect with slide assemblies respectively, and first balanced component, the second balanced component draw two of slide assemblies respectively
The hatch door of glide direction, first balanced component and the second balanced component dynamic equilibrium, the nacelle passes through the first balance group
Part suspention is arranged in the lower section of slide assemblies；
Two hatch doors of the nacelle are opposite on crossbeam by the slide assemblies on two groups of balance erectings by overhang respectively
Or opposite sliding, two hatch doors are opened or are closed.
Further, first balanced component includes the first fixed pulley, the second fixed pulley and the first steel wire rope, and described the
One end close to holder in crossbeam is arranged in one fixed pulley, and second fixed pulley is arranged on slide assemblies, first steel wire
Rope is slidably arranged on the first fixed pulley and the second fixed pulley, and the sagging setting in both ends of first steel wire rope, and described first
The vertical hanging in one end that steel wire rope is located at the first fixed pulley is provided with the first weights, and it is fixed that first steel wire rope is located at second
One end of pulley is connect with hatch door.
Further, second balanced component includes third fixed pulley, the 4th fixed pulley and the second steel wire rope, and described
One end close to holder in crossbeam is arranged in three fixed pulleys, and the 4th fixed pulley is arranged at the end of the outwardly directed cantilever of crossbeam
Portion, second steel cable sliding are arranged on third fixed pulley and the 4th fixed pulley, and under the both ends of second steel wire rope
It hangs down setting, the vertical hanging in one end that second steel wire rope is located at third fixed pulley is provided with the second weights, and described second
One end connection that steel wire rope is located at the 4th fixed pulley is arranged on slide assemblies；
The slide assemblies are reciprocatingly slided position by the increase and decrease of the quality of the first weights, the second weights along crossbeam
It moves, and makes hatch door dynamic equilibrium during open or close.
Further, the 4th fixed pulley includes two, and two the 4th fixed pulleys are symmetricly set on crossbeam
Upper and lower both sides, second steel cable sliding on two the 4th fixed pulleys, and second steel wire rope third fixed pulley with
The rope between the 4th fixed pulley above crossbeam is horizontality, the 4th fixed pulley of the slide assemblies and below the crossbeam it
Between rope be horizontality, rope between the slide assemblies and the first fixed pulley is horizontality.
Further, several steel wire rope clamp systems are provided on the holder, the steel wire rope clamp system presss from both sides respectively
The first steel wire rope of tight setting, the second steel wire rope, the clamp system include two symmetrical anchor ears, and the inner ring of the anchor ear is provided with
Non-slip mat, the inner ring of anchor ear described in first steel wire rope or the second steel wire penetrating, and setting is contacted with non-slip mat, described armful
Hoop passes through the elastic adjusting setting of clamping screw.
Further, guide rail is provided in the crossbeam, the guide rail is horizontally disposed along the length direction of crossbeam, the cunning
Dynamic component slippage is arranged on the guide rail, and the slide assemblies are hanging wheel structure.
Further, the both ends of the guide rail are respectively arranged with position limiting structure, the position limiting structure limit slide assemblies
Displacement stroke.
Further, hatch door supporting rack is provided on the holder, the hatch door supporting rack is horizontally set under crossbeam
Side is located at the width that the spacing between two hatch door supporting racks on two groups of hanging mechanisms of nacelle both sides is more than nacelle, and small
The overall width of nacelle under two hatch door opening state；Hatch door under the hatch door supporting rack support nacelle opening state.
Advantageous effect：The present invention hangs nacelle by four groups of hanging mechanisms, and lifting performance is stable, lifting balances
Well, and by the first balanced component and the second balanced component to the traction balance of slide assemblies, make nacelle always by vertical
The influence of the gravity in direction ensures the balance of center of gravity and gravity torque of the hatch door during opening and closing, ensures its action
Steadily, stablize.
Description of the drawings
Attached drawing 1 is the overall structure diagram under the hatch door closed state of the present invention；
Attached drawing 2 is the overall structure diagram under the hatch door opening state of the present invention；
Attached drawing 3 is the overall structure stereoscopic schematic diagram under the hatch door closed state of the present invention；
Attached drawing 4 is the partial structurtes enlarged diagram of hanging mechanism of the present invention；
Attached drawing 5 is the enlarged diagram of the parts A of the present invention；
Attached drawing 6 is the enlarged diagram of the parts B of the present invention；
Attached drawing 7 is the stress schematic diagram of the hatch door of the present invention.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
As shown in attached drawing 1 to attached drawing 5, a kind of hatch door balance erecting by overhang, including the balance crane of two groups of spacing setting mount
It sets, suspention is provided with nacelle 3 between two groups of balance erectings by overhang, and the hanging end that erecting by overhang is balanced described in two groups is respectively set
Folding side on the left and right hatch door of nacelle 3 balances erecting by overhang and respectively includes the identical Hangtag machine of two groups of structures described in every group
Structure 1, and two groups of hanging mechanisms 1 are relatively fixed setting, hanging mechanism 1 described in two groups is separately positioned on two on hatch door length direction
End；For left and right hatch door respectively by one group of balance erecting by overhang progressive balance hanging, the hanging mechanism 1 includes holder 10, cross
Beam 2, the first balanced component, the second balanced component and slide assemblies 7, the crossbeam 2 are arranged on the top of holder 10, and the cross
Beam 2 is suspended in the top of nacelle 3, and the crossbeam forms cantilever, and the crossbeam 2 opens and closes center line perpendicular to the folding center line of hatch door
Crack between a door and its frame when being closed for left and right hatch door, the slide assemblies 7 are slidably arranged in along the length direction of crossbeam 2 on the crossbeam 2；Institute
It states the first balanced component, the second balanced component and connect setting with slide assemblies 7 respectively, and is first balanced component, second flat
Weighing apparatus component draws two glide directions of slide assemblies 7, first balanced component and the second balanced component dynamic equilibrium respectively,
The hatch door of the nacelle 3 is arranged by the suspention of the first balanced component in the lower section of slide assemblies 7；Two hatch doors of the nacelle 3
Opposite on crossbeam 2 or opposite sliding by the slide assemblies 7 on two groups of balance erectings by overhang respectively, to when two hatch doors
It opens or is closed.Nacelle 3 to be hung by four groups of hanging mechanisms 1, lifting performance is stable, lifting balance is good,
And make nacelle always only by vertical direction the traction balance of slide assemblies by the first balanced component and the second balanced component
Gravity influence, ensure the balance of center of gravity and gravity torque of the hatch door during opening and closing, ensure the steady of its action
It is qualitative.
First balanced component includes the first fixed pulley 13, the second fixed pulley 15 and the first steel wire rope 5, and described first is fixed
Pulley 13 is arranged in crossbeam 2 close to one end of holder 10, and second fixed pulley 15 is arranged on slide assemblies 7, and described first
Steel wire rope 5 is slidably arranged on the first fixed pulley 13 and the second fixed pulley 15, and the both ends of first steel wire rope 5 sagging are set
It sets, the vertical hanging in one end that first steel wire rope 5 is located at the first fixed pulley 13 is provided with the first weights 51, and described first
One end that steel wire rope 5 is located at the second fixed pulley 15 is connect with hatch door.Second balanced component includes third fixed pulley the 16, the 4th
Fixed pulley 17 and the second steel wire rope 4, the third fixed pulley 16 are arranged fixed close to one end of holder 10, the described 4th in crossbeam 2
Pulley 17 is arranged in the end of 2 outwardly directed cantilever of crossbeam, and second steel wire rope 4 is slidably arranged in 16 He of third fixed pulley
On 4th fixed pulley 17, and the sagging setting in both ends of second steel wire rope 4, second steel wire rope 4 are located at third fixed pulley
The 16 vertical hanging in one end is provided with the second weights 41, and one end that second steel wire rope 4 is located at the 4th fixed pulley 17 connects
It connects and is arranged on slide assemblies 7；The slide assemblies 7 are increased and decreased by the quality of the first weights 51, the second weights 41
It reciprocatingly slides displacement along crossbeam 2, and makes hatch door dynamic equilibrium during open or close.Pass through 5 both ends of the first steel wire rope
Hatch door and the first weights 51, second weights of 4 one end of the second steel wire rope and other end to the drawings of slide assemblies,
Slide assemblies are made to form stress balance between the first steel wire rope 5 and the second steel wire rope 4, by adjusting the first weights and
Two weights can make slide assemblies carry out slide displacement to certain side, to make hatch door open or be closed.
As shown in Fig. 6, several steel wire rope clamp systems 20, the steel wire rope clamp system are provided on the holder 10
20 clamp the first steel wire rope of setting, the second steel wire rope respectively, and the clamp system 20 includes two symmetrical anchor ears 21, the anchor ear
21 inner ring is provided with non-slip mat 22, the inner ring of anchor ear described in first steel wire rope or the second steel wire penetrating, and with it is anti-skidding
The contact setting of pad 22, the anchor ear 21 are arranged by 23 elastic adjusting of clamping screw, the first balanced component and second after adjustment
Balanced component is respectively clamped each first steel wire rope and the second steel wire rope by steel wire rope clamp system, prevents steel wire rope
Play ensures that the opening and closing process of hatch door is stable and balances.
As shown in Fig. 5, the 4th fixed pulley 17 includes two, and two the 4th fixed pulleys 17 are symmetricly set on
The upper and lower both sides of crossbeam 2, the sliding of the second steel wire rope 4 is on two the 4th fixed pulleys 17, and second steel wire rope 4 exists
The rope between the 4th fixed pulley 17 above third fixed pulley 16 and crossbeam is horizontality, the slide assemblies 7 and crossbeam
Rope between 4th fixed pulley 17 of lower section is horizontality, the rope between the slide assemblies 7 and the first fixed pulley 13
For horizontality.It is horizontally disposed that first steel wire rope 5, the second steel wire rope 4, which are located at the flexible of beam segments, so that slide assemblies 7
Stress more uniformly and balance, not considering slide assemblies in the case of the frictional force on sliding rail, wherein slide assemblies 7
By hatch door and the gravity F of nacelle, the traction force F1 of the first steel wire rope 5, the traction force F2, Yi Jizhi of the second steel wire rope 4
The support force N of slide assemblies 7, wherein F=N, F1=F2 are supportted, F=F1=F2 is then wanted to reach its equilibrium state, in actual mistake
Cheng Zhongxu considers frictional force, and only need to carry out weight fine tuning to the first weights 51 and the second weights 41 can balance sliding
The frictional force that component is subject to, hatch door suspend the steel wire rope of hatch door in midair always only by plummet power, are opened in hatch door during opening and closing
During closing, because suspension centre is G/2 in the steel wire rope stress of door both sides therefore unilateral side, as shown in fig. 7,
Then
Since center of gravity is constant, L1 and L ratios are constant, therefore F is definite value, namely during cabin door open and close, steel wire rope
Value of thrust is constant, then torque is constant.
Guide rail 8 is provided in the crossbeam 2, the guide rail 8 is horizontally disposed along the length direction of crossbeam 2, the Slide Group
Part 7 is slidably arranged on the guide rail 8, and the slide assemblies 7 are hanging wheel structure, simple in structure, and stable structure, described to hang
Wheel construction is arranged for two-wheel, and two schedules are located at the both sides up and down of guide rail, ensures the stable of slide assemblies 7.The guide rail 8
Both ends be respectively arranged with position limiting structure 19, the position limiting structure 19 limits the displacement stroke of slide assemblies 7.
Hatch door supporting rack 9 is provided on the holder 10, the hatch door supporting rack 9 is horizontally set on the lower section of crossbeam, position
Spacing between two hatch door supporting racks 9 on two groups of hanging mechanisms 1 of 3 both sides of nacelle is more than the width of nacelle 3, and is less than
The overall width of nacelle under two hatch door opening states；The hatch door supporting rack 9 supports the hatch door under nacelle opening state, passes through
Hatch door supporting rack 9 is supported hatch door, the stability of the nacelle entirety after hatch door is opened is promoted, in order to carry out other experiments
Operation.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of hatch door balances erecting by overhang, it is characterised in that：Include the balance erecting by overhang of two groups of spacing setting, two groups of balances
Suspention is provided with nacelle (3) between erecting by overhang, and the hanging end that erecting by overhang is balanced described in two groups is separately positioned on nacelle (3)
Left and right hatch door on folding side, described in every group balance erecting by overhang respectively include the identical hanging mechanism (1) of two groups of structures,
Hanging mechanism (1) described in two groups is separately positioned on the both ends on hatch door length direction；
The hanging mechanism (1) includes holder (10), crossbeam (2), the first balanced component, the second balanced component and slide assemblies
(7), the crossbeam (2) is arranged on the top of holder (10), and the crossbeam (2) is suspended in the top of nacelle (3), the crossbeam
(2) perpendicular to the folding center line of hatch door, the slide assemblies (7) are slidably arranged in the crossbeam along the length direction of crossbeam (2)
(2) on；First balanced component, the second balanced component connect setting, and the first balance group with slide assemblies (7) respectively
Part, the second balanced component draw two glide directions of slide assemblies (7), first balanced component and the second balance group respectively
The hatch door of part dynamic equilibrium, the nacelle (3) is arranged by the suspention of the first balanced component in the lower section of slide assemblies (7)；
Two hatch doors of the nacelle (3) are respectively by the slide assemblies (7) on two groups of balance erectings by overhang on crossbeam (2)
Opposite or opposite sliding, two hatch doors are opened or are closed.
2. a kind of hatch door according to claim 1 balances erecting by overhang, it is characterised in that：First balanced component includes
First fixed pulley (13), the second fixed pulley (15) and the first steel wire rope (5), first fixed pulley (13) are arranged in crossbeam (2)
Close to one end of holder (10), second fixed pulley (15) is arranged on slide assemblies (7), and first steel wire rope (5) is sliding
It is dynamic to be arranged on the first fixed pulley (13) and the second fixed pulley (15), and the sagging setting in both ends of first steel wire rope (5), institute
It states the first steel wire rope (5) and is located at the vertical hanging in one end of the first fixed pulley (13) and be provided with the first weights (51), described
One end that one steel wire rope (5) is located at the second fixed pulley (15) is connect with hatch door.
3. a kind of hatch door according to claim 2 balances erecting by overhang, it is characterised in that：Second balanced component includes
Third fixed pulley (16), the 4th fixed pulley (17) and the second steel wire rope (4), the third fixed pulley (16) are arranged in crossbeam (2)
Close to one end of holder (10), the 4th fixed pulley (17) setting is in the end of crossbeam (2) outwardly directed cantilever, and described the
Two steel wire ropes (4) are slidably arranged on third fixed pulley (16) and the 4th fixed pulley (17), and the two of second steel wire rope (4)
Sagging setting, the vertical hanging in one end that second steel wire rope (4) is located at third fixed pulley (16) is held to be provided with the second counterweight weight
Code (41), one end connection that second steel wire rope (4) is located at the 4th fixed pulley (17) are arranged on slide assemblies (7)；
The slide assemblies (7) are increased and decreased past along crossbeam (2) by the quality of the first weights (51), the second weights (41)
Multiple slide displacement, and make hatch door dynamic equilibrium during open or close.
4. a kind of hatch door according to claim 3 balances erecting by overhang, it is characterised in that：4th fixed pulley (17) packet
Two are included, and two the 4th fixed pulleys (17) are symmetricly set on the upper and lower both sides of crossbeam (2), second steel wire rope (4)
Sliding on two the 4th fixed pulleys (17), and second steel wire rope (4) above third fixed pulley (16) and crossbeam the
Rope between four fixed pulleys (17) is horizontality, the 4th fixed pulley (17) of the slide assemblies (7) and below the crossbeam it
Between rope be horizontality, rope between the slide assemblies (7) and the first fixed pulley (13) is horizontality.
5. a kind of hatch door according to claim 3 balances erecting by overhang, it is characterised in that：It is provided on the holder (10)
Several steel wire rope clamp systems (20), the steel wire rope clamp system (20) clamp the first steel wire rope of setting, the second steel wire respectively
Rope, the clamp system (20) include two symmetrical anchor ears (21), and the inner ring of the anchor ear (21) is provided with non-slip mat (22), institute
The inner ring of anchor ear described in the first steel wire rope or the second steel wire penetrating is stated, and setting, the anchor ear are contacted with non-slip mat (22)
(21) it is arranged by the elastic adjusting of clamping screw (23).
6. a kind of hatch door according to claim 1 balances erecting by overhang, it is characterised in that：It is provided in the crossbeam (2)
Guide rail (8), the guide rail (8) is horizontally disposed along the length direction of crossbeam (2), and the slide assemblies (7) are slidably arranged in described
On guide rail (8), the slide assemblies (7) are hanging wheel structure.
7. a kind of hatch door according to claim 6 balances erecting by overhang, it is characterised in that：The both ends of the guide rail (8) point
It is not provided with position limiting structure (19), the displacement stroke of position limiting structure (19) the limit slide assemblies (7).
8. a kind of hatch door according to claim 1 balances erecting by overhang, it is characterised in that：It is provided on the holder (10)
Hatch door supporting rack (9), the hatch door supporting rack (9) are horizontally set on the lower section of crossbeam, are located at two groups of hangings of nacelle (3) both sides
The spacing between two hatch door supporting racks (9) in mechanism (1) is more than the width of nacelle (3), and is less than two hatch door open shapes
The overall width of nacelle under state；Hatch door under hatch door supporting rack (9) the support nacelle opening state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769254.8A CN108657953A (en) | 2018-07-13 | 2018-07-13 | A kind of hatch door balance erecting by overhang |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769254.8A CN108657953A (en) | 2018-07-13 | 2018-07-13 | A kind of hatch door balance erecting by overhang |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108657953A true CN108657953A (en) | 2018-10-16 |
Family
ID=63772734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810769254.8A Withdrawn CN108657953A (en) | 2018-07-13 | 2018-07-13 | A kind of hatch door balance erecting by overhang |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108657953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146274A (en) * | 2019-06-13 | 2019-08-20 | 上海航天设备制造总厂有限公司 | A kind of hatch door mechanism deploying experimental rig and its implementation |
-
2018
- 2018-07-13 CN CN201810769254.8A patent/CN108657953A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146274A (en) * | 2019-06-13 | 2019-08-20 | 上海航天设备制造总厂有限公司 | A kind of hatch door mechanism deploying experimental rig and its implementation |
| CN110146274B (en) * | 2019-06-13 | 2021-08-17 | 上海航天设备制造总厂有限公司 | Cabin door mechanism unfolding test device and implementation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181016 |