CN111855050A - Automatic measuring system for cabin door unfolding moment - Google Patents
Automatic measuring system for cabin door unfolding moment Download PDFInfo
- Publication number
- CN111855050A CN111855050A CN202010697777.3A CN202010697777A CN111855050A CN 111855050 A CN111855050 A CN 111855050A CN 202010697777 A CN202010697777 A CN 202010697777A CN 111855050 A CN111855050 A CN 111855050A
- Authority
- CN
- China
- Prior art keywords
- cabin door
- moment
- door
- cabin
- motor
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 36
- 230000005484 gravity Effects 0.000 claims description 9
- 230000007480 spreading Effects 0.000 claims description 7
- 230000000052 comparative effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000005486 microgravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an automatic measuring system for cabin door unfolding moment, which comprises: cabin door, upright post, measuring device, sliding device, arc guide rail, rack, bottom plate, cabin body structure. The cabin door is a measuring object, the cabin door is limited to move at an extremely low rotating speed by the motor, so that the cabin door reaches a quasi-static state, driving moment and resisting moment are balanced, the position of the force sensor and the relative position of the force action direction and the cabin door are kept fixed, the moment arm can be kept unchanged, meanwhile, the force sensor is used for monitoring the force required for maintaining balance of rotating moment of the cabin door in real time, and then the magnitude of the opposite stress moment is calculated. According to the moment balance principle, the driving moment and the resisting moment of the cabin door at different positions in the whole expansion process can be obtained by carrying out two state measurements of the cabin door, the cabin door installation cable and the pipeline. The main body part of the measuring system can also realize automatic separation from the cabin door and move out of the cabin door unfolding envelope range, thereby ensuring that the cabin door can carry out free unfolding tests at any time.
Description
Technical Field
The invention relates to the fields of aerospace, measurement and industrial automation, in particular to an automatic measuring system for cabin door unfolding moment.
Background
With the development of society, people's demand for automation is continuously increasing. In special working environments such as high and low temperature, vacuum, toxic or underwater, manual operation is difficult or even impossible, and machine equipment is required to have a reliable automatic action function. The hatch door of a certain cabin structure needs to be unfolded around a rotating shaft at one side of the hatch door under the conditions of microgravity, vacuum and high and low temperature. Because the equipment such as cables, pipelines and the like are arranged between the cabin door and the cabin body structure, resistance moment can be generated when the cabin door is unfolded. Because the working environment of the equipment cabin door is special and the equipment cabin door is continuously unfolded, the resisting moment can not be measured by adopting a manual method. Without the resistance torque data of the expansion of the cabin door, the driving torque margin of the expansion of the cabin door cannot be quantized, so that great difficulty is brought to the reliability evaluation of the expansion of the cabin door. Therefore, the automatic measuring system for the unfolding moment of the cabin door is urgently needed to be built, and the continuous and accurate measurement of the driving moment and the resisting moment in the unfolding process of the cabin door is realized. At present, the invention patents for measuring the torque are many, but no automatic torque measuring system aiming at the continuous rotary motion of the cabin door under the conditions of microgravity, vacuum and high and low temperature is found, and similar domestic data is not collected.
Disclosure of Invention
The technical problem solved by the invention is as follows: the automatic measuring system for the unfolding moment of the cabin door overcomes the defects of the prior art, the cabin door is limited to move at an extremely low rotating speed by a motor, so that the cabin door reaches a quasi-static state, the driving moment and the resisting moment are balanced, the position of a force sensor and the relative position of the force action direction and the cabin door are kept fixed, the force arm can be kept unchanged by the aid of the force sensor, the force sensor is used for monitoring the force required by maintaining the balance of the rotating moment of the cabin door in real time, and the opposite stress moment is calculated. According to the moment balance principle, the driving moment and the resisting moment of the cabin door at different positions in the whole expansion process can be obtained by carrying out two state measurements of the cabin door, the cabin door installation cable and the pipeline. The main body part of the measuring system can also realize automatic separation from the cabin door and move out of the cabin door unfolding envelope range, thereby ensuring that the cabin door can carry out free unfolding tests at any time. The system has the advantages of simple testing principle and structure, high measuring precision, capability of repeatedly measuring in a reciprocating manner, wide application range, high reliability and good application value.
The purpose of the invention is realized by the following technical scheme: an automatic measurement system for cabin door deployment torque, comprising: the cabin door comprises a cabin door 1, a measuring device 2, a stand column 3, a sliding device 4, an arc guide rail 5, a rack 6, a bottom plate 7 and a cabin body structure 8; wherein,
The cabin door 1 is a measuring object, and the self state of the cabin door and the states of cables and pipelines installed on the cabin door are measured through the measuring device 2;
the measuring device 2 is arranged at the upper end of the upright post 3, and the sliding device 4 is arranged at the lower end of the upright post 3; the sliding device 4 is arranged on the bottom plate 7 and moves through a rack 6 on an arc guide rail 5 on the bottom plate 7; the automatic measurement of the cabin door unfolding moment is realized;
the cabin door is provided with a driving device, and the driving device is arranged on the cabin body structure and drives the cabin door to rotate and unfold around a rotating shaft; the cabin door is provided with a gravity balancing device, so that the cabin door can be unfolded in a gravity balancing state, and the resistance moment generated by the gravity balancing device to the unfolding of the cabin door is ignored.
Preferably, the measuring device 2 comprises: a first motor 201, a first fiber line 202, an upper slider 203, a lower slider 204, a second fiber line 205, a force sensor 206 and a Z-bracket 207;
a short groove is processed at the top end of the upright post 3, an upper slide block 203 and a lower slide block 204 are arranged in the groove, and the upper slide block 203 is arranged above the lower slide block 204; the lower sliding block 204 is connected with a motor 201 at the top end of the upright post 3 through a first fiber line 202, the upper sliding block 203 is connected with a second fiber line 205, the second fiber line 205 is connected with a force sensor 206, and the force sensor 206 is fixed with a Z-shaped bracket 207; measuring the tension on the second fiber line 205 by a force sensor 206; the Z-shaped bracket 207 is used for leading out the measurement position of the hatch door 1 to the position outside the hatch door 1, so that the layout of the measurement device 2 is facilitated.
Preferably, the measuring device 2 can also realize automatic separation from the cabin door after the measurement is finished, so that the cabin door 1 can directly carry out free expansion tests in high and low temperature environments;
when the motor 201 rotates, the first fiber wire 202 is gradually wound at the tail end of the motor 201 to drive the lower sliding block 204 to move upwards, the upper sliding block 203 also moves upwards until the first fiber wire is moved out of the upper end of the short slot and separated from the upright post 3, the main body of the measuring device 2 is separated from the cabin door, and the lower sliding block 204, the second fiber wire 205, the force sensor 206 and the Z-shaped bracket 207 are left on the cabin door to finish the part of preparation work of the free unfolding of the cabin door 1.
Preferably, the sliding means 4 comprise: a transverse guide rail 401, a screw nut pair 402, a sliding table 403, a second motor 404 and a gear 405; the second motor 404 can control the sliding table to move along the circular arc guide rail 5 or the transverse guide rail 401, the second motor 404 is fixed on the sliding table 403, the gear 405 is installed at the output end of the second motor 404, the gear 405 and the rack 6 form a meshing relationship, the sliding device 4 moves along the guide rail 5 at a stable speed by rotating the drive gear 405, the upright post 3 is fixed on the sliding table 403 and moves along with the sliding table 403, and therefore the limitation on the movement of the cabin door 1 is achieved.
Preferably, the hatch 1 is initially in the closed condition, with a tendency to rotate around the axis of rotation under the action of the driving torque, the second thread 205 being tensioned; the sliding table 403 is controlled by the second motor 404 to move along the arc guide rail 5 at an extremely low stable speed, at this time, the cabin door 1 is in a quasi-static motion process, and the driving moment and the resisting moment of the rotation of the cabin door 1 are balanced; at the moment, the force sensor 206 is used for monitoring the force required for maintaining the balance of the cabin door 1 in real time, the force arm is combined to calculate the magnitude of the moment of stress, and the driving moment and the resisting moment of the cabin door 1 at different positions in the whole expansion process can be calculated by measuring and comparing the two states of the cabin door 1 and the cabin door 1 in which cables and pipelines are installed.
Preferably, the sliding device 4 controls the second motor 404 to move the sliding table 403 on the circular arc guide rail 5, so that multiple reciprocating automatic measurements of the cabin door 1 from closing to unfolding and from unfolding to closing are realized; (ii) a The second motor 404 may also drive the lead screw nut pair 402 such that the column 3 moves along the transverse rail 401.
Preferably, the rotating shaft of the hatch door 1 is coaxial with the central axis of the arc guide rail 5, and two end points of the second fiber line 205 and the rotating central point of the hatch door form a stable triangle, which remains unchanged in the whole measuring process, thereby ensuring that the force arm of the pulling force on the second fiber line 205 to the rotating shaft remains unchanged.
Preferably, the moment measurement in a static state at a certain designated angle can also be realized by controlling the second motor 404, and comparison data of continuous measurement and static measurement is provided for analyzing the difference of the resisting moment of the cabin door 1 in a static state and a moving state, so that the cabin door can be developed to provide conditions in a real test state.
Preferably, when the hatch 1 is to be subjected to a free unfolding test, the first motor 201 is controlled to disconnect the main body of the measuring device 2 from the hatch 1, and then the second motor 404 is controlled to drive the screw nut pair 402 to move the upright 3 along the transverse guide rail 401, so that the upright 3 is separated from the unfolding envelope range of the Z-shaped bracket 207 and the hatch 1, and thus, all preparation work of the free unfolding of the hatch 1 is completed.
Preferably, the system can adapt to the working conditions of high temperature of +64 ℃, low temperature of-44 ℃ and normal temperature and work repeatedly for more than 1000 times. Compared with the prior art, the invention has the following beneficial effects:
the measuring system has the advantages of simple testing principle and structure, high measuring precision, capability of repeatedly measuring in a reciprocating manner, wide application range and high reliability, can effectively solve the problem of difficult evaluation of the cabin door unfolding reliability, and has good application value.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a three-dimensional axial side view of the overall structure of an automatic measuring system for the moment of deployment of a cabin door according to an embodiment of the present invention;
FIG. 2 is a three-dimensional top view of the overall structure of an embodiment of the present invention (without the door and cabin structures);
FIG. 3 is a three-dimensional axial side view of a measuring device in accordance with an embodiment of the present invention.
FIG. 4 is a three-dimensional axial side view of a sliding device in accordance with an embodiment of the present invention.
FIG. 5 is a schematic view of the measurement system body disengaged and moved out of the hatch deployment envelope in accordance with an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a three-dimensional axial side view of the overall structure of an automatic measuring system for the cabin door spreading moment according to an embodiment of the present invention.
As shown in fig. 1 and 2, the automatic measuring system for a door deployment torque includes: an automatic measurement system for cabin door deployment torque, comprising: the cabin door comprises a cabin door 1, a measuring device 2, a stand column 3, a sliding device 4, an arc guide rail 5, a rack 6, a bottom plate 7 and a cabin body structure 8; the cabin door 1 is a measuring object, and the self state of the cabin door and the states of cables and pipelines installed on the cabin door are measured through the measuring device 2; the measuring device 2 is arranged at the upper end of the upright post 3, and the sliding device 4 is arranged at the lower end of the upright post 3; the sliding device 4 is arranged on the bottom plate 7 and moves through a rack 6 on an arc guide rail 5 on the bottom plate 7; the automatic measurement of the cabin door unfolding moment is realized; the cabin door is provided with a driving device, and the driving device is arranged on the cabin body structure and drives the cabin door to rotate and unfold around a rotating shaft; the cabin door is provided with a gravity balancing device, so that the cabin door can be unfolded in a gravity balancing state, and the resistance moment generated by the gravity balancing device to the unfolding of the cabin door is very small and can be ignored.
The measuring device 2 mainly comprises: a first motor 201, a first fiber wire 202, an upper slider 203, a lower slider 204, a second fiber wire 205, a force sensor 206, and a Z-bracket 207.
The primary function of the measuring device 2 is to measure the tension on the second fibre line 205 by means of the force sensor 206. The Z-shaped bracket 207 is mainly used for leading out the measurement position of the cabin door 1 to a proper position outside the cabin door 1, so that the measurement device 2 can be conveniently arranged.
The measuring device 2 can also realize automatic separation from the cabin door after the measurement is finished, so that the cabin door 1 can directly carry out free expansion tests in high and low temperature environments. As shown in fig. 3, a short slot is processed at the top end of the upright post 3, an upper slider 203 and a lower slider 204 are installed in the slot, and the upper slider 203 is arranged above the lower slider 204; the lower sliding block 204 is connected with a motor 201 at the top end of the upright post 3 through a first fiber line 202, the upper sliding block 203 is connected with a second fiber line 205, the second fiber line 205 is connected with a force sensor 206, and the force sensor 206 is fixed with a Z-shaped bracket 207; when the motor 201 rotates, the first fiber wire 202 is gradually wound around the tail end of the motor 201, the lower sliding block 204 is driven to move upwards, the upper sliding block 203 also moves upwards, the lower sliding block moves out of the upper end of the short slot, the lower sliding block is separated from the cabin door, the main body of the measuring device 2 is separated from the cabin door (the lower sliding block 204, the second fiber wire 205, the force sensor 206 and the Z-shaped bracket 207 are left on the cabin door), and partial preparation work of the cabin door 1 which is freely unfolded is completed.
As shown in fig. 4, the sliding device 4 mainly includes: a transverse guide rail 401, a screw nut pair 402, a sliding table 403, a second motor 404 and a gear 405; the sliding device 4 controls the sliding table 403 to move along the arc guide rail 5 through the second motor 404, the second motor 404 is fixed on the sliding table 403, the output end of the second motor 404 is provided with the gear 405, the gear 405 and the rack 6 form a meshing relationship, the sliding device 4 moves along the guide rail 5 at a stable speed of 0.1 degree/s by rotating the drive gear 405, the upright post 3 is fixed on the sliding table 403 and moves along with the sliding table 403, and therefore the limitation on the movement of the cabin door 1 is achieved.
The sliding device 4 controls the second motor 404 to enable the sliding table 403 to move on the arc guide rail 5, so that multiple reciprocating automatic measurement of the cabin door 1 from closing to unfolding and from unfolding to closing is realized; the second motor 404 may also drive the lead screw nut pair 402 such that the column 3 moves along the transverse rail 401.
As shown in fig. 5, when the hatch 1 is to be subjected to the free unfolding test, the first motor 201 is controlled to disconnect the main body of the measuring device 2 from the hatch 1, and then the second motor 404 is controlled to drive the screw nut pair 402 to move the upright 3 along the transverse guide rail 401, so that the upright 3 is separated from the unfolding envelope range of the Z-shaped bracket 207 and the hatch 1, and thus, all preparation work of the free unfolding of the hatch 1 is completed.
The rotating shaft of the hatch door 1 is coaxial with the central shaft of the arc guide rail 5, and the spatial relative position of the second fiber line 205 and the rotating central shaft of the hatch door is kept unchanged in the whole measuring process, so that the moment arm of the tensile force on the fiber line 205 to the rotating shaft is kept unchanged.
The working example can adapt to the working conditions of high temperature (+64 ℃), low temperature (-44 ℃) and normal temperature, and can work repeatedly for more than 1000 times.
In this example, the moment measurement at a certain specified angle in the static state can also be realized by controlling the second motor 404, and comparison data of continuous measurement and static measurement is provided for analyzing the difference of the resisting moment of the cabin door 1 in the static state and the moving state.
The measurement process is as follows: the cabin door (1) is initially in a single cabin door closing state, and in this state, a spreading torque test, a driving torque T, is carried outDriving deviceAnd a secondMoment of resistance T generated by tension on fiber wireFiber resistanceEquilibrium, i.e. TDriving device＝TFiber resistance(ii) a The cabin door is in a state that the cable and the pipeline are closed after being installed, and the unfolding torque test and the driving torque T are carried out in the stateDriving device ，The resisting moment T generated by the tension on the second fiber lineFiber resistance ，And the resisting moment T generated by the cable and the pipeline of the cabin doorCabin resistanceEquilibrium, i.e. TDriving device ，＝TFiber resistance ，+TCabin resistanceThe driving torque is the same when the hatch is rotated to the same angle, so TDriving device＝TDriving device ，From which T can be calculatedCabin resistance＝TFiber resistance-TFiber resistance ，And then the driving torque margin can be calculated.
The test system of the embodiment has small resistance moment, and can still have certain capacity to complete the unfolding test under the working conditions that the weight of a large-scale load platform reaches the ton level and the unfolding driving moment is small. The specific structural form of the test system can be designed according to specific requirements, fields and other conditions, and the test system is convenient to assemble and disassemble; the system adopts a lubricating measure for resisting high and low temperatures in each rotating link, and can meet the requirements of high and low temperature development.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (10)
1. An automatic measurement system for cabin door deployment torque, comprising: the cabin door comprises a cabin door (1), a measuring device (2), a stand column (3), a sliding device (4), an arc guide rail (5), a rack (6), a bottom plate (7) and a cabin body structure (8); wherein,
the cabin door (1) is a measuring object, and the self state of the cabin door and the states of cables and pipelines installed on the cabin door are measured through the measuring device (2);
the measuring device (2) is arranged at the upper end of the upright post (3), and the lower end of the upright post (3) is provided with the sliding device (4); the sliding device (4) is arranged on the bottom plate (7) and moves through a rack (6) on an arc guide rail (5) on the bottom plate (7); the automatic measurement of the cabin door unfolding moment is realized;
the cabin door is provided with a driving device, and the driving device is arranged on the cabin body structure and drives the cabin door to rotate and unfold around a rotating shaft; the cabin door is provided with a gravity balancing device, so that the cabin door can be unfolded in a gravity balancing state, and the resistance moment generated by the gravity balancing device to the unfolding of the cabin door is ignored.
2. The automatic measurement system of the cabin door deploying torque according to claim 1, characterized in that said measuring device (2) comprises: the device comprises a first motor (201), a first fiber wire (202), an upper sliding block (203), a lower sliding block (204), a second fiber wire (205), a force sensor (206) and a Z-shaped bracket (207);
A short groove is processed at the top end of the upright post (3), an upper sliding block (203) and a lower sliding block (204) are arranged in the groove, and the upper sliding block (203) is arranged above the lower sliding block (204); the lower sliding block (204) is connected with a motor (201) at the top end of the upright post (3) through a first fiber line (202), the upper sliding block (203) is connected with a second fiber line (205), the second fiber line (205) is connected with a force sensor (206), and the force sensor (206) is fixed with the Z-shaped bracket (207); measuring a tension on the second fiber line (205) by a force sensor (206); the Z-shaped bracket (207) is used for leading out the measurement position of the cabin door (1) to the position outside the cabin door (1) so as to facilitate the layout of the measurement device (2).
3. The automatic measuring system for the cabin door unfolding moment according to claim 2, characterized in that the measuring device (2) can be automatically separated from the cabin door after the measurement is finished, so that the cabin door (1) can directly perform the free unfolding test in the high and low temperature environment;
when the motor (201) rotates, the first fiber line (202) is gradually wound at the tail end of the motor (201) to drive the lower sliding block (204) to move upwards, the upper sliding block (203) also moves upwards until the lower sliding block moves out of the upper end of the short groove and is separated from the upright post (3), the main body of the measuring device (2) is separated from the cabin door, and the lower sliding block (204), the second fiber line (205), the force sensor (206) and the Z-shaped support (207) are left on the cabin door to finish the preparation work of the freely unfolded part of the cabin door (1).
4. The automatic measurement system of the cabin door deploying torque according to claim 3, characterized in that said sliding means (4) comprise: the device comprises a transverse guide rail (401), a screw nut pair (402), a sliding table (403), a second motor (404) and a gear (405); the controllable slip table of second motor (404) moves along circular arc guide rail (5) or transverse guide rail (401), be fixed with second motor (404) on slip table (403), gear (405) are installed to second motor (404) output, gear (405) and rack (6) form the meshing relation, rotate through drive gear (405) and make slider (4) move along guide rail 5 steady speed, stand (3) are fixed on slip table (403), move along with slip table (403), thereby realize the restriction to the motion of hatch door 1.
5. Automatic measuring system of the cabin door deploying torque according to claim 4, characterized in that the cabin door (1) is initially in the closed state, tends to rotate around the axis of rotation under the action of the driving torque, the second fibre line (205) being tensioned; the sliding table (403) is controlled by the second motor (404) to move along the arc guide rail (5) at an extremely low stable speed, at the moment, the cabin door (1) is in a quasi-static motion process, and the driving moment and the resisting moment of the rotation of the cabin door (1) are balanced; at the moment, the force sensor (206) is used for monitoring the force required for maintaining the balance of the cabin door (1) in real time, the force arm is combined to calculate the magnitude of the moment of stress, and the driving moment and the resisting moment of the cabin door (1) at different positions in the whole unfolding process can be calculated through the measurement and comparison of the two states of the cabin door (1) and the installation of cables and pipelines of the cabin door (1).
6. The automatic measuring system of the cabin door spreading moment according to claim 5, characterized in that the sliding device (4) controls the second motor (404) to move the sliding platform (403) on the arc guide rail (5) to realize the automatic measurement of the cabin door (1) from closing to spreading and from spreading to closing; (ii) a The second motor (404) can also drive the lead screw nut pair (402) to enable the upright (3) to move along the transverse guide rail (401).
7. The automatic measuring system for the door spreading moment according to claim 6, characterized in that the door (1) rotation axis is coaxial with the central axis of the circular arc guide rail (5), and the two end points of the second fiber line (205) and the door rotation central point form a stable triangle, which is kept constant during the whole measuring process, thereby ensuring that the moment arm of the tension on the second fiber line (205) to the rotation axis is kept constant.
8. The automatic measuring system of door deployment torque according to claim 7, characterized in that the torque measurement at a certain designated angle in the rest state can also be realized by controlling the second motor (404), providing comparative data of continuous measurement and stationary measurement for analyzing the difference of the resistive torque of the door (1) in the rest state and in the moving state, so that the door is deployed under the real test condition.
9. The system for automatically measuring the cabin door unfolding moment according to claim 8, characterized in that when the cabin door (1) is to be subjected to the free unfolding test, the first motor (201) is controlled to disconnect the main body of the measuring device (2) from the cabin door (1), and then the second motor (404) is controlled to drive the lead screw nut pair (402) to move the upright post (3) along the transverse guide rail (401), so that the upright post (3) is separated from the unfolding envelope range of the Z-shaped bracket (207) and the cabin door (1), and thus the whole preparation work of the free unfolding of the cabin door (1) is completed.
10. The automatic measuring system of cabin door spreading moment according to claim 1, characterized in that the system can adapt to high temperature (+64 ℃), low temperature (-44 ℃) and normal temperature working condition, and work more than 1000 times in a reciprocating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697777.3A CN111855050A (en) | 2020-07-20 | 2020-07-20 | Automatic measuring system for cabin door unfolding moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697777.3A CN111855050A (en) | 2020-07-20 | 2020-07-20 | Automatic measuring system for cabin door unfolding moment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111855050A true CN111855050A (en) | 2020-10-30 |
Family
ID=73001029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010697777.3A Pending CN111855050A (en) | 2020-07-20 | 2020-07-20 | Automatic measuring system for cabin door unfolding moment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111855050A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004005118A (en) * | 2002-05-31 | 2004-01-08 | Mazda Motor Corp | Simulation system, simulation method, and control program for door operationality evaluation |
| CN107063672A (en) * | 2017-05-26 | 2017-08-18 | 北京航空航天大学 | A kind of closed hatch door is opened and closed and loading simulator |
| CN108760228A (en) * | 2018-06-08 | 2018-11-06 | 中国航天空气动力技术研究院 | A kind of rudder face dynamic force measurement device and test method folded during rudder is unfolded |
| CN109612614A (en) * | 2018-12-04 | 2019-04-12 | 南京航空航天大学 | Aircraft door opening torque test device |
| 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 |
| CN110726500A (en) * | 2019-11-13 | 2020-01-24 | 上海交通大学 | Automatic measuring device for door unfolding moment |
-
2020
- 2020-07-20 CN CN202010697777.3A patent/CN111855050A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004005118A (en) * | 2002-05-31 | 2004-01-08 | Mazda Motor Corp | Simulation system, simulation method, and control program for door operationality evaluation |
| CN107063672A (en) * | 2017-05-26 | 2017-08-18 | 北京航空航天大学 | A kind of closed hatch door is opened and closed and loading simulator |
| CN108760228A (en) * | 2018-06-08 | 2018-11-06 | 中国航天空气动力技术研究院 | A kind of rudder face dynamic force measurement device and test method folded during rudder is unfolded |
| CN109612614A (en) * | 2018-12-04 | 2019-04-12 | 南京航空航天大学 | Aircraft door opening torque test device |
| 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 |
| CN110726500A (en) * | 2019-11-13 | 2020-01-24 | 上海交通大学 | Automatic measuring device for door unfolding moment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105842080B (en) | Combined load Material mechanics test system under a kind of induction heating mode | |
| CN105856205B (en) | A kind of flexible cable suspention simulation system in parallel and its method | |
| CN205642791U (en) | Wind -tunnel is with toper motion simulation device of rotatory guided missile | |
| CN102944512A (en) | Test machine and test method for real-time and dynamic observation of end surface torsion friction and abrasion of friction interface | |
| RU2402470C2 (en) | System for imitation of zero gravity of multilink mechanisms | |
| CN107101803A (en) | A kind of optical module automatic testing equipment | |
| CN106918425B (en) | Instrumented wheelset dynamic calibration testing stand | |
| CN206038308U (en) | Brake is with test device of ball reliability | |
| CN110346137A (en) | Automatic continuous dynamic loading method for the test of air-floating ball bearing bearer properties | |
| CN111215648B (en) | Fast test loading method and loading system for electric spindle reliability | |
| CN206945182U (en) | Propeller force testing table | |
| CN107905269A (en) | A kind of paired cable winch gear for ultrasonic wave pore-forming grooving quality testing | |
| CN111855050A (en) | Automatic measuring system for cabin door unfolding moment | |
| CN211402009U (en) | Rotation type mechanical friction interface normal position information acquisition device | |
| RU2637721C1 (en) | Method for graduating multicomponent force and torque sensors and device for its implementation | |
| CN106113093A (en) | A kind of robot belt tension measures aid | |
| CN111238924A (en) | Multifunctional tension testing machine convenient to move and adjust | |
| CN109323859B (en) | Lead screw load capacity and transmission efficiency detection device | |
| RU2659330C1 (en) | Rotary test bench | |
| CN209086058U (en) | A kind of metallic material testing machine | |
| CN105890666B (en) | Improve the automobile guy cable detection machine fictitious load assembly of stable testing degree | |
| CN111811711A (en) | Automatic measuring device for door unfolding moment | |
| CN112782005A (en) | Rock ring shear alignment test device | |
| CN206048255U (en) | A kind of robot belt tension measures aid | |
| CN222379448U (en) | Tensile test equipment and test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201030 |
|
| RJ01 | Rejection of invention patent application after publication |