CN207191488U - Unloading force can precise quantification control high-adaptability gravity unloading device - Google Patents
Unloading force can precise quantification control high-adaptability gravity unloading device Download PDFInfo
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- CN207191488U CN207191488U CN201720558719.6U CN201720558719U CN207191488U CN 207191488 U CN207191488 U CN 207191488U CN 201720558719 U CN201720558719 U CN 201720558719U CN 207191488 U CN207191488 U CN 207191488U
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Abstract
Unloading force of the present utility model can the high-adaptability gravity unloading device of precise quantification control include air cushion component, adjustment bar assembly, device for measuring force and unloading assembly；The adjustment bar assembly includes air cushion connecting rod, gets rid of tight nut and adjusting nut；The device for measuring force includes pressure sensor and display device；The air cushion connecting rod is connected with the air cushion component, and passes through the relative position for getting rid of tight nut and adjusting nut and adjusting and fixing between the air cushion connecting rod and the air cushion component；The pressure sensor is placed in the air cushion connecting rod, and is connected with the air cushion connecting rod；The display device connects the pressure sensor by signal wire；The pressure sensor is connected with the unloading assembly, the unloading assembly joint test product.Unloading force of the present utility model can precise quantification control high-adaptability gravity unloading device can real-time display unloading force, to unloading force carry out precise quantification control.
Description
Technical field
It the utility model is related to satellite AIT (general assembly integration testing, Assembly Integration Test) technology neck
Domain, and in particular to a kind of unloading force can precise quantification control high-adaptability gravity unloading device.
Background technology
Planar array antenna is a kind of important payload of satellite fields, and planar shaped cell array is also the current overwhelming majority
The critical services load of satellite.The above-mentioned spaceborne load of planar shaped it is identical in that the spaceborne load of the planar shaped needs after satellier injection
To be transformed into expansion lock-out state from rounding state according to program, these expansion action is the key of satellite task success or failure, therefore
Need to carry out substantial amounts of verification experimental verification to these expansion action in satellite ground experiment.
Important link is to realize the in-orbit zero-g simulation of load in ground spreading checking test, at present domestic zero-g
Analog form has hanging, the class of air supporting two.Hanging class is by building guide rail, pulley system, and ground is set during realizing load expansion
Standby is servo-actuated.Which mechanical friction is relatively large, and experiment stability, uniformity are poor, and adjustment is complicated, is commonly used in and is tied
Structure is limited and can not carried out in the expansion checking test of air supporting unloading.
Domestic air supporting gravity unloading device generally use air cushion component and rigidity supporting structure at present, and in air cushion component
On convince discharge orifice by patient analysis, make to form the air film with certain thickness and rigidity between air cushion component and workbench, realize test products weight
Power unloads.The air supporting gravity unloading device of prior art has the following disadvantages：
1. adjust unloading force, to the empirical relation between the basis for estimation air-film thickness and unloading force of unloading force size,
Unloading force size can not be intuitively shown in real time, but in fact, the relation between air-film thickness and unloading force is the non-linear of complexity
Relation, only regulation unloading force is difficult to the precise quantification adjustment of air cushion component unloading force by rule of thumb, influences the reliability of experiment；
2. gravity unloading device uses rigidity supporting structure, have to the surface roughness, flatness, levelness of workbench
High required precision, causes ground installation processing difficulties, expensive, and usually because workbench precision does not reach examination
Test requirement and cause test products to deploy testing failure.
Utility model content
The purpose of this utility model be to provide a kind of unloading force can precise quantification control high-adaptability gravity unloading dress
Put, can real-time display unloading force, to unloading force carry out precise quantification control.
To achieve the above object, the utility model provide a kind of unloading force can precise quantification control high-adaptability weight
Power discharge mechanism, including air cushion component, adjustment bar assembly, device for measuring force and unloading assembly；The adjustment bar assembly includes air cushion
Connecting rod, get rid of tight nut and adjusting nut；The device for measuring force includes pressure sensor and display device；The air cushion connecting rod
Be connected with the air cushion component, and by it is described get rid of tight nut and adjusting nut adjust and fix the air cushion connecting rod with it is described
Relative position between air cushion component；The pressure sensor is placed in the air cushion connecting rod, and with the air cushion connecting rod
It is connected；The display device connects the pressure sensor by signal wire；The pressure sensor connects with the unloading assembly
Connect, the unloading assembly joint test product.
Above-mentioned unloading force can precise quantification control high-adaptability gravity unloading device, wherein, the air cushion component includes
Upper disk surface, floating sliding pin component and lower card；The upper disk surface is flexible even with the lower card by the floating sliding pin component
Connect；The lower card is placed on workbench, and pod apertures are opened up in the lower card, makes shape between the lower card and workbench
Into the air film with certain thickness and rigidity.
Above-mentioned unloading force can precise quantification control high-adaptability gravity unloading device, wherein, the air cushion connecting rod is in
T-shaped, its top are expanded end face and are connected with pressure sensor；The bar portion of the air cushion connecting rod passes through the upper disk of air cushion component
Face, it is described to get rid of tight nut and be set in the bar portion of the air cushion connecting rod, and tightened in the upper surface of the upper disk surface, the tune
Section nut is set in the bar portion of the air cushion connecting rod, and is tightened in the lower surface of the upper disk surface.
Above-mentioned unloading force can precise quantification control high-adaptability gravity unloading device, wherein, the floating sliding pin component
Including upper connecting portion, lower connecting portion, spring, spring supporting nut and latch；The upper connecting portion by clamp nut with it is described
Upper disk surface connects；The bottom of the lower connecting portion is set to spherical hinge structure, is connected with the upper surface ball pivot of the lower card；Under described
Connecting portion is provided with slot, and the upper connecting portion is inserted in the slot, and by the latch realize the upper connecting portion with it is described
The connection of lower connecting portion；The lower connecting portion is provided with a pair of kidney-shaped pin holes, and the latch passes through a pair of kidney-shaped pin holes
With upper connecting portion；The spring supporting nut, which is arranged, to be fastened on the lower connecting portion；The spring is set in the upper connection
In portion and lower connecting portion, and between the upper disk surface and the spring supporting nut.
Above-mentioned unloading force can precise quantification control high-adaptability gravity unloading device, wherein, the unloading assembly includes
Unload support bar, unloading stop nut, unloading lock nut and unloading transfer block；The unloading support bar and the pressure sensing
Device floating connection；The unloading transfer block is connected with the unloading support bar, and anti-by the unloading lock nut and unloading
The relative position between transfer block and the unloading support bar is unloaded described in loose nut locking；The unloading transfer block joint test
Product.
Above-mentioned unloading force can precise quantification control high-adaptability gravity unloading device, wherein, on the pressure sensor
Provided with connecting hole, the unloading support bar is inserted in the connecting hole, and is supported on the pressure sensor, the unloading support
The connecting hole of bar and the pressure sensor coordinates for gap.
Above-mentioned unloading force can precise quantification control high-adaptability gravity unloading device, wherein, it is described unloading support bar choosing
Made of self-lubricating material.
Compared with prior art, technology beneficial effect of the present utility model is：
Unloading force of the present utility model can precise quantification control high-adaptability gravity unloading device, set pressure sensor
And display device, pressure sensor concatenation unloading assembly and air cushion connecting rod, it can accurately measure and show air supporting unloading force, and energy
Air supporting unloading force is adjusted by adjusting nut；
Unloading force of the present utility model can precise quantification control high-adaptability gravity unloading device, the upper disk of air supporting component
Face is flexibly connected by floating sliding pin component and lower card, can improve the obstacle climbing ability of lower card, is greatly reduced flat to working
The requirement of platform surface roughness, flatness, levelness, substantially increase the adaptability of gravity unloading device；
Unloading force of the present utility model can precise quantification control high-adaptability gravity unloading device, unload support bar and institute
The connecting hole for stating pressure sensor 4 coordinates for gap, and unloads support bar and made from self-lubricating material, so, air cushion component
Additional torque during the adjustment of air supporting unloading force on adjusting nut will not be conducted to unloading support bar.
Brief description of the drawings
Unloading force of the present utility model can precise quantification control high-adaptability gravity unloading device by following embodiment
And accompanying drawing provides.
Fig. 1 be the utility model preferred embodiment unloading force can precise quantification control high-adaptability gravity unloading device
Structural representation.
Fig. 2 is the structural representation of floating sliding pin component in the utility model preferred embodiment.
Embodiment
Below with reference to Fig. 1~Fig. 2 to unloading force of the present utility model can precise quantification control high-adaptability gravity unload
Carry to put and be described in further detail.
Fig. 1 show the utility model preferred embodiment unloading force can precise quantification control high-adaptability gravity unloading
The structural representation of device.
As shown in figure 1, the unloading force can precise quantification control high-adaptability gravity unloading device include air cushion component,
Adjust bar assembly, device for measuring force and unloading assembly；The air cushion component is used to realize that air supporting unloads, and the adjustment bar assembly is used for
Realize that unloading force quickly accurately adjusts；The device for measuring force is used to realize unloading force measurement in real time and display；The unloading assembly
For joint test product (i.e. the spaceborne load of planar shaped, such as planar array antenna, planar shaped cell array).
As shown in figure 1, the adjustment bar assembly includes air cushion connecting rod 12, gets rid of tight nut 11 and adjusting nut 13；It is described
Device for measuring force includes pressure sensor 4 and display device 1；The air cushion connecting rod 12 is connected with the air cushion component, and is passed through
It is described to get rid of tight nut 11 and adjusting nut 13 and adjust and relative between the fixed air cushion connecting rod 12 and the air cushion component
Position；The air cushion component is placed on workbench (not showing in Fig. 1), and opens up pod apertures on the air cushion component, is made described
The air film with certain thickness and rigidity, the air cushion connecting rod 12 and the air cushion group are formed between air cushion component and workbench
The change of relative position between part, air-film thickness can be changed, so as to realize the change of unloading force；The pressure sensor 4 is put
In in the air cushion connecting rod 12, and pass through sensor connecting pin 9 and sensor fixing nut 10 and the air cushion connecting rod 12
It is connected；The display device 1 connects the pressure sensor 4 by signal wire 3；The display device 1 is connected by power line 2
External power source；The pressure sensor 4 measures air supporting unloading force and is transferred to the display device 1 by signal wire 3 in real time, by
The real-time display air supporting unloading force measured value of display device 1, external power source are that the display device 1 and pressure sensor 4 supply
Electricity；The pressure sensor 4 is connected with the unloading assembly, the unloading assembly joint test product.
The unloading force of the present embodiment can precise quantification control high-adaptability gravity unloading device, set pressure sensor 4
With display device 1, pressure sensor 4 is placed in air cushion connecting rod 12, and air cushion connecting rod 12 is connected with air cushion component, and can be passed through
Get rid of tight nut 11 and adjusting nut 13 to adjust and fix its relative position between air cushion component, pressure sensor 4 can be real-time
The air supporting unloading force of air cushion component is accurately measured, the air supporting unloading force can pass through the real-time display of display device 1, therefore, this reality
Apply example unloading force can precise quantification control high-adaptability gravity unloading device during ground spreading checking test, can essence
Air supporting unloading force occurrence is really obtained, and (regulation can be passed through by getting rid of tight nut 11 and adjusting nut 13 regulation air supporting unloading force
Relative position between air cushion connecting rod 12 and air cushion component is realized), i.e., the unloading force of the present embodiment can precise quantification control
High-adaptability gravity unloading device can realize that unloading force precise quantification controls.
As shown in figure 1, the unloading assembly includes unloading support bar 8, unloading stop nut 7, unloading lock nut 6 and unloaded
Carry transfer block 5；The unloading support bar 8 and the floating connection of pressure sensor 4；The unloading transfer block 5 and the unloading
Support bar 8 connects, and locks the unloading transfer block 5 and the unloading branch by the unloading lock nut 6 and stop nut 7
Relative position between strut 8；The unloading transfer block 5 is used for joint test product.
Specifically, the pressure sensor 4 is provided with connecting hole, and the unloading support bar 8 is inserted in the connecting hole, and is propped up
On the pressure sensor 4, the connecting hole of the unloading support bar 8 and the pressure sensor 4 coordinates for gap for support.Preferably
Ground, the unloading support bar 8 are made from self-lubricating material, so, spiral shell are adjusted during the adjustment of air cushion component air supporting unloading force
Additional torque on mother 13 will not be conducted to unloading support bar 8.
As shown in figure 1, the air cushion component includes upper disk surface 14, floating sliding pin component 15 and lower card 16；The upper disk
Face 14 and lower card 16 are air cushion；The upper disk surface 14 is flexible even by the floating sliding pin component 15 and the lower card 16
Connect；The lower card 16 is placed on workbench, and pod apertures are opened up in the lower card 16, makes the lower card 16 flat with work
The air film with certain thickness and rigidity is formed between platform, the bearing length that air cushion connecting rod 12 is adjusted by adjusting nut 13 is adjustable
Solar term film thickness, reach the purpose of regulation air supporting unloading force.
The air cushion connecting rod 12 in T-shaped, expand end face and fix spiral shell by sensor connecting pin 9, sensor by its top
Mother 10 connects pressure sensor 4, and specifically, end face, pressure are expanded in one end of sensor connecting pin 9 through the top of air cushion connecting rod 12
The pin-and-hole of force snesor 4, and the end is fastened with sensor fixing nut 10, realize air cushion connecting rod 12 and pressure sensor 4
It is connected；The bar portion of the air cushion connecting rod 12 passes through the upper disk surface 14 of air cushion component, described to get rid of tight nut 11 and be set in the gas
In the bar portion for padding connecting rod 12, and tightened in the upper surface of the upper disk surface 14, the fixed air cushion connecting rod 12 with it is described on
Relative position between card 14, the adjusting nut 13 are set in the bar portion of the air cushion connecting rod 12, and on described
The lower surface of card 14 is tightened, by spanner screw adjusting nut 13 position can realize air supporting unloading force precise quantification regulation with
Control.Change position (bearing length that adjusts air cushion connecting rod 12) of the bar portion with respect to upper disk surface 14 of air cushion connecting rod 12,
Air-film thickness can be changed, reach the purpose for changing air supporting unloading force.
Fig. 2 show the structural representation of floating sliding pin component in the utility model preferred embodiment.
As shown in Fig. 2 the floating sliding pin component 15 includes upper connecting portion 151, lower connecting portion 152, spring 155, spring
Holding nut 156 and latch 153；The upper connecting portion 151 is connected by the upper disk surface 14 of clamp nut 158 and the air cushion component
Connect；The bottom of the lower connecting portion 152 is set to spherical hinge structure 157, the upper surface ball pivot with the lower card 16 of the air cushion component
Connection；The lower connecting portion 152 is provided with slot 159, and the upper connecting portion 151 is inserted in the slot 159, and passes through the latch
153 realize the connection of the upper connecting portion 151 and the lower connecting portion 152；The lower connecting portion 152 is inserted provided with a pair of kidney-shapeds
Pin-and-hole 154, the latch 153 pass through a pair of kidney-shaped pin holes 154 and upper connecting portion 151, realize the upper connecting portion 151 with
Flexible connection between the lower connecting portion 152；The spring supporting nut 156, which is arranged, to be fastened on the lower connecting portion 152；
The spring 155 is set on the upper connecting portion 151 and lower connecting portion 152, and positioned at the upper disk surface 14 and the spring
Between holding nut 156.
The floating sliding pin component 15, connector is ensured by spherical hinge structure 157, kidney-shaped pin hole 154 and spring 155
Flexibility, i.e., described floating sliding pin component 15 is the flexible connecting member with certain rigidity holding capacity, can improve lower card 16
Obstacle climbing ability, greatly reduce the requirement to workbench surface roughness, flatness, levelness, substantially increase gravity
The adaptability of discharge mechanism.
Unloading force of the present utility model can precise quantification control high-adaptability gravity unloading device have unloading force can essence
Really the advantages that quick adjustment, the movable state real-time display of unloading force value, flexible structure strong adaptability.The utility model can meet multiclass
The accurate unloading quantified controlling requirement of type flat shape load two-dimensional development experiment.
Claims (7)
1. unloading force can precise quantification control high-adaptability gravity unloading device, it is characterised in that including air cushion component, adjustment
Bar assembly, device for measuring force and unloading assembly；The adjustment bar assembly includes air cushion connecting rod, gets rid of tight nut and adjusting nut；Institute
Stating device for measuring force includes pressure sensor and display device；The air cushion connecting rod is connected with the air cushion component, and passes through institute
State and get rid of the relative position that tight nut and adjusting nut are adjusted and fixed between the air cushion connecting rod and the air cushion component；It is described
Pressure sensor is placed in the air cushion connecting rod, and is connected with the air cushion connecting rod；The display device passes through signal wire
Connect the pressure sensor；The pressure sensor is connected with the unloading assembly, the unloading assembly joint test product.
2. unloading force as claimed in claim 1 can precise quantification control high-adaptability gravity unloading device, it is characterised in that
The air cushion component includes upper disk surface, floating sliding pin component and lower card；The upper disk surface by the floating sliding pin component with
The lower card flexible connection；The lower card is placed on workbench, is opened up pod apertures in the lower card, is made the lower wall
The air film with thickness and rigidity is formed between face and workbench.
3. unloading force as claimed in claim 2 can precise quantification control high-adaptability gravity unloading device, it is characterised in that
The air cushion connecting rod in T-shaped, expand end face and be connected with pressure sensor by its top；The bar portion of the air cushion connecting rod is worn
Cross the upper disk surface of air cushion component, it is described to get rid of tight nut and be set in the bar portion of the air cushion connecting rod, and in the upper disk surface
Upper surface is tightened, and the adjusting nut is set in the bar portion of the air cushion connecting rod, and twisted in the lower surface of the upper disk surface
Tightly.
4. unloading force as claimed in claim 2 can precise quantification control high-adaptability gravity unloading device, it is characterised in that
The floating sliding pin component includes upper connecting portion, lower connecting portion, spring, spring supporting nut and latch；The upper connecting portion leads to
Clamp nut is crossed to be connected with the upper disk surface；The bottom of the lower connecting portion is set to spherical hinge structure, the upper table with the lower card
Face ball pivot connection；The lower connecting portion is provided with slot, and the upper connecting portion is inserted in the slot, and realizes institute by the latch
State the connection of connecting portion and the lower connecting portion；The lower connecting portion is provided with a pair of kidney-shaped pin holes, and the latch passes through
A pair of kidney-shaped pin holes and upper connecting portion；The spring supporting nut, which is arranged, to be fastened on the lower connecting portion；The spring
It is set on the upper connecting portion and lower connecting portion, and between the upper disk surface and the spring supporting nut.
5. unloading force as claimed in claim 1 can precise quantification control high-adaptability gravity unloading device, it is characterised in that
The unloading assembly includes unloading support bar, unloading stop nut, unloading lock nut and unloading transfer block；The unloading support
Bar and the pressure sensor floating connection；The unloading transfer block is connected with the unloading support bar, and passes through the unloading
Relative position between lock nut and the unloading stop nut locking unloading transfer block and the unloading support bar；It is described to unload
Carry transfer block joint test product.
6. unloading force as claimed in claim 5 can precise quantification control high-adaptability gravity unloading device, it is characterised in that
The pressure sensor is provided with connecting hole, and the unloading support bar is inserted in the connecting hole, and is supported on the pressure sensing
On device, the connecting hole of the unloading support bar and the pressure sensor coordinates for gap.
7. unloading force as claimed in claim 5 can precise quantification control high-adaptability gravity unloading device, it is characterised in that
The unloading support bar is made from self-lubricating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558719.6U CN207191488U (en) | 2017-05-19 | 2017-05-19 | Unloading force can precise quantification control high-adaptability gravity unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558719.6U CN207191488U (en) | 2017-05-19 | 2017-05-19 | Unloading force can precise quantification control high-adaptability gravity unloading device |
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| Publication Number | Publication Date |
|---|---|
| CN207191488U true CN207191488U (en) | 2018-04-06 |
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ID=61793789
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| CN201720558719.6U Active CN207191488U (en) | 2017-05-19 | 2017-05-19 | Unloading force can precise quantification control high-adaptability gravity unloading device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027124A (en) * | 2020-07-30 | 2020-12-04 | 北京卫星制造厂有限公司 | Large-bearing high-clearance air floatation supporting device |
| CN112607069A (en) * | 2020-12-16 | 2021-04-06 | 上海交通大学 | Can receive exhibition formula air supporting gravity compensation device suitable for epoxy is from levelling ground |
| CN113697128A (en) * | 2021-08-24 | 2021-11-26 | 上海宇航系统工程研究所 | High-precision shafting unloading device capable of adjusting supporting rigidity |
| CN113772137A (en) * | 2021-11-12 | 2021-12-10 | 北京最终前沿深空科技有限公司 | Solar wing ground unfolding gravity unloading device |
-
2017
- 2017-05-19 CN CN201720558719.6U patent/CN207191488U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027124A (en) * | 2020-07-30 | 2020-12-04 | 北京卫星制造厂有限公司 | Large-bearing high-clearance air floatation supporting device |
| CN112027124B (en) * | 2020-07-30 | 2022-04-12 | 北京卫星制造厂有限公司 | Large-bearing high-clearance air floatation supporting device |
| CN112607069A (en) * | 2020-12-16 | 2021-04-06 | 上海交通大学 | Can receive exhibition formula air supporting gravity compensation device suitable for epoxy is from levelling ground |
| CN112607069B (en) * | 2020-12-16 | 2022-12-16 | 上海交通大学 | Can receive expansion formula air supporting gravity compensation device suitable for epoxy is from flat ground |
| CN113697128A (en) * | 2021-08-24 | 2021-11-26 | 上海宇航系统工程研究所 | High-precision shafting unloading device capable of adjusting supporting rigidity |
| CN113697128B (en) * | 2021-08-24 | 2023-02-21 | 上海宇航系统工程研究所 | High-precision shafting unloading device capable of adjusting supporting rigidity |
| CN113772137A (en) * | 2021-11-12 | 2021-12-10 | 北京最终前沿深空科技有限公司 | Solar wing ground unfolding gravity unloading device |
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