CN202547673U - Air floatation pad with measurement function and automatic adjusting function - Google Patents
Air floatation pad with measurement function and automatic adjusting function Download PDFInfo
- Publication number
- CN202547673U CN202547673U CN2012201475945U CN201220147594U CN202547673U CN 202547673 U CN202547673 U CN 202547673U CN 2012201475945 U CN2012201475945 U CN 2012201475945U CN 201220147594 U CN201220147594 U CN 201220147594U CN 202547673 U CN202547673 U CN 202547673U
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- measurement
- air
- regulatory function
- supporting pad
- air supporting
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Abstract
The utility model discloses an air floatation pad with measurement function and automatic adjusting function. The air floatation pad comprises an air floatation disc, a guide shaft sleeve, a guide shaft, a motor bracket, a supporting bracket, a motor, a force sensor, an elastic connector, a connecting block, a lead screw and a lead screw nut, wherein the guide shaft sleeve is fixedly arranged in the air floatation disc; one end of the guide shaft is fixedly connected at the bottom end of the motor bracket; the other end of the guide shaft is inserted into the guide shaft sleeve; a motor is arranged on the motor bracket; the lead screw nut is fixedly arranged in the air floatation disc; one end of the lead screw is fixed on the output shaft of the motor; the other end of the lead screw is inserted into the lead screw nut; the supporting bracket is arranged on the motor bracket; the force sensor is arranged on the supporting bracket; and the elastic connector is connected with the connecting block and the supporting bracket.
Description
Technical field
The utility model relates to the air supporting pad in the air floating platform pilot system, especially has the air supporting pad of anchorage force measurement and the automatic regulatory function of bearing height.
Background technology
Exercise tests such as the satellite solar cell battle array expansion test of space industry need be used the air supporting pad, are used to support test load, reach the effect of test load low-frictional force motion on air floating platform.
Present known air supporting pad is adjusting screw(rod) to be installed on the air cushion disc form; Adopt manual methods adjustable support height; Do not have anchorage force measurement capability or bearing height self-regulation ability, or only possess the anchorage force measurement capability and do not possess the bearing height self-regulation ability.
The utility model content
The purpose of the utility model is to provide a kind of air supporting pad of measuring with automatic regulatory function that has, and not only has the anchorage force of measurement ability, and has automatic adjustable support altitude capability.
In order to reach above-mentioned purpose; The utility model provides a kind of air supporting pad of measuring with automatic regulatory function that has, and comprising: air cushion disc, guideway, the axis of guide, electric machine support, supporting bracket, motor, force cell, elastic connector, contiguous block, leading screw and feed screw nut; Said guideway is fixedly installed in the said air cushion disc; One end of the said axis of guide is fixedly connected on the bottom of said electric machine support, and the other end of the said axis of guide inserts in the said guideway; Said motor is arranged on the said electric machine support; Said feed screw nut is fixedly installed in the said air cushion disc; One end of said leading screw is fixed on the output shaft of said motor, and the other end of said leading screw inserts in the said feed screw nut; Said supporting bracket is arranged on the said electric machine support; Said force cell is arranged on the said supporting bracket; Said elastic connector connects said contiguous block and said supporting bracket.
Above-mentioned air supporting pad with measurement and automatic regulatory function; Wherein, Said air supporting is paid somebody's debt and expected repayment later and is provided with gas-tpe fitting, is provided with airway and a plurality of throttle orifice in the said air cushion disc, and said a plurality of throttle orifices are positioned at the bottom of said air cushion disc; And connect with said airway, said airway is connected with said gas-tpe fitting.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, the length direction of said guideway and said feed screw nut is parallel to the support direction.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, said force cell is a foil gauge, and said elastic connector is arranged on the said supporting bracket, and said contiguous block is arranged on the said elastic connector.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, said foil gauge comprises multi-disc, is installed on the diverse location of said supporting bracket.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, said force cell is a pressure transducer, and said elastic connector is arranged on the said pressure transducer, and said contiguous block is arranged on the said elastic connector.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, said pressure transducer is capacitor type pressure transducer or resistor-type pressure transducer.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, said elastic connector is spring or rubber press.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, said leading screw is little ball-screw of pitch or the little lead screw of pitch.
Above-mentioned air supporting pad with measurement and automatic regulatory function, wherein, the output shaft of said guideway and said air cushion disc, said feed screw nut and said air cushion disc, said leading screw and said motor all adopts integrated design.
The beneficial effect of the utility model is specific as follows:
1, the utility model adopts electronic mode to regulate air supporting advance expenditure support height, is convenient to realize robotization control;
2, the utility model adopts force cell to measure anchorage force, makes that the control of single air supporting pad anchorage force can be more accurate, and when the combination of air supporting pad is used the relation between a plurality of air supporting pad of the energy measurement anchorage force;
3, the utlity model has the ability of automatic adjustable support height and measurement anchorage force; Therefore not only can be used for the highly fixing test of process of the test air supporting advance expenditure support; Also can be used for the test that the process of the test bearing height changes; Not only can be used for the fixing test of process of the test air supporting pad anchorage force, also can be used for the test that the process of the test anchorage force changes, thereby expand the range of application of air supporting pad greatly.
Description of drawings
The air supporting pad of measuring with automatic regulatory function that has of the utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the synoptic diagram that the utlity model has the measurement and the air supporting pad embodiment one of automatic regulatory function.
Fig. 2 is the synoptic diagram that the utlity model has the measurement and the air supporting pad embodiment two of automatic regulatory function.
Embodiment
Below will combine Fig. 1～Fig. 2 that having of the utility model measured with the air supporting pad of automatic regulatory function does further to describe in detail.
Embodiment one:
Referring to Fig. 1, the air supporting pad of measuring with automatic regulatory function that has of present embodiment comprises: air cushion disc 1, guideway 2, the axis of guide 3, electric machine support 4, supporting bracket 5, motor 6, foil gauge 7, spring 8, contiguous block 9, leading screw 10, feed screw nut 11 and gas-tpe fitting 12;
Said guideway 2 is fixedly installed in the said air cushion disc 1, and promptly said guideway 2 adopts integrated design with said air cushion disc 1, and the length direction of said guideway 2 is parallel to the support direction;
One end of the said axis of guide 3 is fixedly connected on the bottom of said electric machine support 4, and the other end of the said axis of guide 3 inserts in the said guideway 2, and the said axis of guide 3 can move along supporting direction in said guideway 2;
The said axis of guide 3 uses with said guideway 2 in pairs, and comprises two pairs at least;
Said motor 6 is arranged on the said electric machine support 4;
Said feed screw nut 11 is fixedly installed in the said air cushion disc 1, and promptly said feed screw nut 11 adopts integrated design with said air cushion disc 1, and the length direction of said feed screw nut 11 is parallel to the support direction;
One end of said leading screw 10 is fixed on the output shaft of said motor 6; The output shaft that is said leading screw 10 and said motor 6 adopts integrated design; The other end of said leading screw 10 inserts in the said feed screw nut 11, and said leading screw 10 can move along supporting direction in said feed screw nut 11;
Said leading screw 10 uses with said feed screw nut 11 in pairs;
Said supporting bracket 5 is arranged on the said electric machine support 4;
Said foil gauge 7 is arranged on the said supporting bracket 5, and said foil gauge 7 can be 1,2,3 or more, is installed in the diverse location of said supporting bracket 5, utilizes the resistance variations COMPREHENSIVE CALCULATING of multi-disc foil gauge 7 to go out the value of anchorage force;
One end of said spring 8 is connected with the top of said supporting bracket 5, and the other end of said spring 8 is connected with said contiguous block 9, and said contiguous block 9 is used to connect test load;
Be provided with airway 15 and a plurality of throttle orifices 16 in the said air cushion disc 1, said a plurality of throttle orifices 16 are positioned at the bottom of said air cushion disc 1, and connect with said airway 15, and said airway 15 is connected with said gas-tpe fitting 12.
In the present embodiment, said guideway 2 is a linear bearing; Described motor 6 is a reducing motor; Said leading screw 10 can be the little ball-screw of pitch, also can be the little lead screw of pitch.
The principle of work of present embodiment air supporting pad is: when making an experiment work whole air supporting pad is positioned on the air floating platform; Test load is connected with the air supporting pad through contiguous block 9; Gases at high pressure get into said air cushion disc 1 through said gas-tpe fitting 12; And flow out from the throttle orifice of said air cushion disc 1 bottom 16, between air supporting pad and air floating platform, form air film, thereby guaranteed that the air supporting pad can be with little friction force free movement on air floating platform; Said supporting bracket 5 produces certain deformation under the effect of certain load; The change in resistance that the corresponding said foil gauge of certain deformation of said supporting bracket 57 is certain; Thereby can measure the size (realizing the anchorage force measurement function) of corresponding load according to the resistance of said foil gauge 7; Said foil gauge 7 can have more than 1, is installed on the diverse location of said supporting bracket 5; External unit is according to the load force size that records; Said motor 6 is imposed exciting current rotates said motor 6; The leading screw 10 that is installed on the output shaft of said motor 6 drives rotation down at said motor 6; The kinematic pair that said leading screw 10 and said feed screw nut 11 constitute is converted into the rectilinear motion of adjustable support height with the rotation of said motor 6, and simultaneously, the kinematic pair that the said axis of guide 3 and guideway 2 constitute guarantees that the relative motion between said supporting bracket 5 and the air supporting dish 1 is a rectilinear motion; Because said air cushion disc 1 is motionless in the support direction; Thereby the bearing height of said supporting bracket 5 final motoring ring test load under the drive of said motor 6 is regulated, and along with the adjusting of bearing height, the air supporting pad also changes to the anchorage force of test load; And be reflected on the change in resistance of deformation and said foil gauge of said supporting bracket 5; Said spring 8 is installed between said supporting bracket 5 and the said contiguous block 9 can play buffer action to anchorage force, and said spring 8 is according to the spring of the size selection different-stiffness of test load, and said leading screw 10 has self-locking performance with the kinematic pair that said feed screw nut 11 constitutes; When said motor 6 cut off the power supply, said leading screw 10 can not move under the test load effect with said feed screw nut 11.
Embodiment two:
Referring to Fig. 2; Embodiment two is modification of embodiment one; Identical parts adopt identical Reference numeral; Embodiment two is with the difference of embodiment one, has substituted the foil gauge 7 among the embodiment one with pressure transducer 13 among the embodiment two, has substituted the spring 8 among the embodiment one with rubber press 14;
Among the embodiment two, said pressure transducer 13 is arranged at the top of said supporting bracket 5, and said rubber press 14 is arranged on the said pressure transducer 13, and said contiguous block 9 is arranged on the said rubber press 14.Said pressure transducer 13 is used to measure anchorage force and anchorage force is converted into electric signal exports to external unit, and 14 pairs of anchorage forces of said rubber press play buffer action.
Among the embodiment two, said pressure transducer 13 can be the capacitor type pressure transducer, also can be the resistor-type pressure transducer, can also be the pressure transducer of other form.
Claims (10)
1. one kind has the air supporting pad of measuring with automatic regulatory function, it is characterized in that, comprising: air cushion disc, guideway, the axis of guide, electric machine support, supporting bracket, motor, force cell, elastic connector, contiguous block, leading screw and feed screw nut;
Said guideway is fixedly installed in the said air cushion disc;
One end of the said axis of guide is fixedly connected on the bottom of said electric machine support, and the other end of the said axis of guide inserts in the said guideway;
Said motor is arranged on the said electric machine support;
Said feed screw nut is fixedly installed in the said air cushion disc;
One end of said leading screw is fixed on the output shaft of said motor, and the other end of said leading screw inserts in the said feed screw nut;
Said supporting bracket is arranged on the said electric machine support;
Said force cell is arranged on the said supporting bracket;
Said elastic connector connects said contiguous block and said supporting bracket.
2. the air supporting pad with measurement and automatic regulatory function as claimed in claim 1; It is characterized in that; Said air supporting is paid somebody's debt and expected repayment later and is provided with gas-tpe fitting, is provided with airway and a plurality of throttle orifice in the said air cushion disc, and said a plurality of throttle orifices are positioned at the bottom of said air cushion disc; And connect with said airway, said airway is connected with said gas-tpe fitting.
3. the air supporting pad with measurement and automatic regulatory function as claimed in claim 1 is characterized in that the length direction of said guideway and said feed screw nut is parallel to the support direction.
4. the air supporting pad with measurement and automatic regulatory function as claimed in claim 1 is characterized in that said force cell is a foil gauge, and said elastic connector is arranged on the said supporting bracket, and said contiguous block is arranged on the said elastic connector.
5. the air supporting pad with measurement and automatic regulatory function as claimed in claim 4 is characterized in that said foil gauge comprises multi-disc, is installed on the diverse location of said supporting bracket.
6. the air supporting pad with measurement and automatic regulatory function as claimed in claim 1 is characterized in that said force cell is a pressure transducer, and said elastic connector is arranged on the said pressure transducer, and said contiguous block is arranged on the said elastic connector.
7. the air supporting pad with measurement and automatic regulatory function as claimed in claim 6 is characterized in that said pressure transducer is capacitor type pressure transducer or resistor-type pressure transducer.
8. the air supporting pad with measurement and automatic regulatory function as claimed in claim 1 is characterized in that said elastic connector is spring or rubber press.
9. the air supporting pad with measurement and automatic regulatory function as claimed in claim 1 is characterized in that said leading screw is little ball-screw of pitch or the little lead screw of pitch.
10. the air supporting pad with measurement and automatic regulatory function as claimed in claim 1 is characterized in that the output shaft of said guideway and said air cushion disc, said feed screw nut and said air cushion disc, said leading screw and said motor all adopts integrated design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201475945U CN202547673U (en) | 2012-04-10 | 2012-04-10 | Air floatation pad with measurement function and automatic adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201475945U CN202547673U (en) | 2012-04-10 | 2012-04-10 | Air floatation pad with measurement function and automatic adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547673U true CN202547673U (en) | 2012-11-21 |
Family
ID=47168291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201475945U Expired - Fee Related CN202547673U (en) | 2012-04-10 | 2012-04-10 | Air floatation pad with measurement function and automatic adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388283A (en) * | 2018-01-29 | 2018-08-10 | 中国机械工业集团有限公司 | Embedded radio pressure feedback controller suitable for wide in range air spring vibrating isolation system |
| CN113306749A (en) * | 2021-06-23 | 2021-08-27 | 浙江工业大学 | Weighing air floatation device for simulating weightlessness |
-
2012
- 2012-04-10 CN CN2012201475945U patent/CN202547673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388283A (en) * | 2018-01-29 | 2018-08-10 | 中国机械工业集团有限公司 | Embedded radio pressure feedback controller suitable for wide in range air spring vibrating isolation system |
| CN113306749A (en) * | 2021-06-23 | 2021-08-27 | 浙江工业大学 | Weighing air floatation device for simulating weightlessness |
| CN113306749B (en) * | 2021-06-23 | 2022-12-06 | 浙江工业大学 | Weighing air floatation device for simulating weightlessness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130410 |