CN111947905A - Parachute cord operating force adjusting and measuring device - Google Patents
Parachute cord operating force adjusting and measuring device Download PDFInfo
- Publication number
- CN111947905A CN111947905A CN202010787424.2A CN202010787424A CN111947905A CN 111947905 A CN111947905 A CN 111947905A CN 202010787424 A CN202010787424 A CN 202010787424A CN 111947905 A CN111947905 A CN 111947905A
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- CN
- China
- Prior art keywords
- parafoil
- sliding block
- guide rail
- pulley
- parachute
- 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
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- IBSREHMXUMOFBB-JFUDTMANSA-N 5u8924t11h Chemical compound O1[C@@H](C)[C@H](O)[C@@H](OC)C[C@@H]1O[C@@H]1[C@@H](OC)C[C@H](O[C@@H]2C(=C/C[C@@H]3C[C@@H](C[C@@]4(O3)C=C[C@H](C)[C@@H](C(C)C)O4)OC(=O)[C@@H]3C=C(C)[C@@H](O)[C@H]4OC\C([C@@]34O)=C/C=C/[C@@H]2C)/C)O[C@H]1C.C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 IBSREHMXUMOFBB-JFUDTMANSA-N 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to a parafoil rope control force adjusting and measuring device which comprises a parafoil, an parachute rope, a pulley, a bearing seat, a force sensor, a sliding block, a lead screw, a guide rail, a coupler and a motor. The parachute line of parafoil passes through behind the pulley in proper order and is connected with force sensor, slider, and the pulley passes through the bearing and installs on the bearing frame, and on the bearing frame was fixed in the horizontal table, slider and lead screw cooperation, lead screw one end was fixed in on the guide rail, and the other end passes through the shaft coupling and is connected with the motor, and the guide rail is vertical to be fixed on the lateral wall, and the lead screw drives the slider and moves along vertical direction under the drive of motor to realize the regulation of parachute line length, can measure the operating force of parachute line through force sensor. The device has simple structure and convenient use, and can be widely applied to the adjustment and measurement of the operating force of the parachute line.
Description
Technical Field
The invention relates to the field of parafoil, in particular to a parafoil rope control force adjusting and measuring device.
Background
With the continuous development of aerospace technology, the parafoil is more and more valued by researchers as an aerial stable speed reducer. At present, three methods are mainly used for researching the stress change condition of an umbrella rope in the process of parachute opening and landing of a parafoil: air drop experiment, engineering simulation experiment and numerical simulation by using wind tunnel and water tank. The working process of the parafoil is a complex condition of coupling structure dynamics and fluid dynamics, and the unsteady complex streaming process is difficult to study through numerical simulation. Therefore, air-drop experiments and engineering simulation experiments are the main research means of parafoil. In the air drop experiment and the engineering simulation experiment, the most important link is the problem of adjusting and measuring the control force of the parachute line, and in the prior art, the scheme of adjusting and measuring the control force of the parachute line applied to the experiment is rare.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a device for adjusting and measuring the operating force of a parafoil rope, which has a simple structure and is convenient to use and can be widely applied to adjusting and measuring the operating force of the parafoil rope.
The technical scheme is as follows: in order to achieve the purpose, the parachute line operating force adjusting and measuring device adopts the following technical scheme.
A parafoil rope manipulation force adjusting and measuring device comprises a parafoil, an parachute rope, a force sensor, a sliding block, a lead screw and a guide rail motor, wherein the sliding block moves along a guide rail, and the lead screw penetrates through the sliding block and is in threaded connection with the sliding block;
one end of the umbrella rope is connected with the parafoil, the other end of the umbrella rope is connected with the force sensor and the sliding block, and the force sensor is fixed on the sliding block; the output shaft of the motor is coaxially connected with the screw rod and drives the screw rod to rotate.
The device also comprises a pulley, a bearing and a bearing seat; rotating shafts are axially arranged on two sides of the pulley and are mounted on the bearing block through bearings; the umbrella rope is wound on the pulley and extends out of the pulley to be connected with the force sensor and the sliding block.
Further, the guide rail and the screw rod vertically extend, the motor is located below the screw rod, and the sliding block slides up and down along the guide rail.
Furthermore, the upper end and the lower end of the guide rail are respectively provided with a support extending transversely, the screw rod is installed in the two supports, and the lower end of the screw rod penetrates through the support at the lower end and is connected with an output shaft of the motor through a coupler.
Furthermore, two sides of the parafoil are respectively connected with two parachute ropes, and the bottoms of the two parachute ropes on one side are combined into one strand and connected with the force sensor and the sliding block after bypassing the pulley; the pulley, force transducer, slider, lead screw, guide rail, motor all are equipped with two.
Further, the bearing seat is fixed on the horizontal workbench; the guide rail is vertically fixed on the side wall.
Has the advantages that: the parafoil rope control force adjusting and measuring device provided by the invention drives the sliding block to move along the vertical direction under the driving of the motor through the lead screw, so that the length of the parachute rope is adjusted, and the control force of the parachute rope can be measured through the force sensor. The invention has simple structure and convenient installation and use, and can be widely applied to the adjustment and measurement of the operating force of the parachute line.
Drawings
FIG. 1 is a schematic structural view of an parachute line operating force adjusting and measuring device according to the present invention;
FIG. 2 is a side view of the parachute line operating force adjustment and measurement device of FIG. 1;
FIG. 3 is a front view of the parachute line operating force adjustment and measurement device of FIG. 1;
fig. 4 is an enlarged view of a portion I of fig. 2.
In the figure, the device comprises a parafoil 1, a parafoil 2, an parachute rope 3, a pulley 4, a bearing 5, a bearing seat 6, a force sensor 7-1, a sliding block 7-2, a lead screw 7-3, a guide rail 8, a coupler 9, a motor 10 and a side wall.
Detailed Description
Referring to fig. 1 to 4, the present disclosure will be described in detail with reference to the accompanying drawings, wherein the preferred embodiments of the present disclosure are described in detail for the purpose of illustration and explanation, and are not intended to limit the present disclosure.
As shown in fig. 1 to 4, the device for adjusting and measuring the operating force of the parafoil rope comprises a parafoil 1, an parachute rope 2, a pulley 3, a bearing 4, a bearing seat 5, a force sensor 6, a slider 7-1, a lead screw 7-2, a guide rail 7-3, a coupling 8 and a motor 9. In the embodiment, two umbrella ropes 2 are respectively connected to two sides of a parafoil 1, and the bottoms of the two umbrella ropes 2 positioned on one side are combined into a strand and wound around a pulley 3 to be connected with a force sensor 6 and a slider 7-1. In order to measure the stress of the umbrella ropes on the two sides of the parafoil 1 at the same time, the two pulleys 3, the force sensor 6, the slide block 7-1, the screw 7-2, the guide rail 7-3 and the motor 9 are arranged.
The parachute rope 2 of the parafoil 1 is sequentially connected with the force sensor 6 and the sliding block 7-1 through the pulley 3, the pulley 3 is installed on the bearing seat 5 through the bearing 4, the sliding block 7-1 is matched with the lead screw 7-2, one end of the lead screw 7-2 is fixed on the guide rail 7-3, and the other end of the lead screw 7-2 is connected with the motor 9 through the coupler 8.
The bearing seat 5 is fixed on a horizontal workbench, and the linear guide rail 9 is vertically fixed on the side wall 10.
The invention relates to a using method of a parachute line control force adjusting and measuring device, which comprises the following steps:
the lead screw 7-2 drives the slide block 7-1 to move along the vertical direction under the driving of the motor 9, so that the length of the umbrella rope 2 is adjusted, and the operating force of the umbrella rope 2 can be measured through the force sensor 6.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a parafoil rope power of handling is adjusted and measuring device which characterized in that: the parachute comprises a parafoil, a parachute cord, a force sensor, a sliding block, a lead screw and a guide rail motor, wherein the sliding block moves along the guide rail, and the lead screw penetrates through the sliding block and is in threaded connection with the sliding block;
one end of the umbrella rope is connected with the parafoil, the other end of the umbrella rope is connected with the force sensor and the sliding block, and the force sensor is fixed on the sliding block; the output shaft of the motor is coaxially connected with the screw rod and drives the screw rod to rotate.
2. A parafoil cord manipulation force adjustment and measurement apparatus as claimed in claim 1 wherein: the device also comprises a pulley, a bearing and a bearing seat; rotating shafts are axially arranged on two sides of the pulley and are mounted on the bearing block through bearings; the umbrella rope is wound on the pulley and extends out of the pulley to be connected with the force sensor and the sliding block.
3. A parafoil-cord steering force adjustment and measurement apparatus as claimed in claim 1 or 2 wherein: the guide rail and the screw rod vertically extend, the motor is located below the screw rod, and the sliding block slides up and down along the guide rail.
4. The parasol cord manipulation force adjustment and measurement device of claim 3, wherein: the upper end and the lower end of the guide rail are respectively provided with a support extending transversely, the screw rod is installed in the two supports, and the lower end of the screw rod penetrates through the support at the lower end and is connected with an output shaft of the motor through a coupler.
5. A parafoil cord manipulation force adjustment and measurement apparatus as claimed in claim 2 wherein: two sides of the parafoil are respectively connected with two parachute ropes, and the bottoms of the two parachute ropes on one side are combined into one strand and connected with the force sensor and the sliding block after bypassing the pulley; the pulley, force transducer, slider, lead screw, guide rail, motor all are equipped with two.
6. A parafoil cord manipulation force adjustment and measurement apparatus as claimed in claim 5 wherein: the bearing block is fixed on the horizontal workbench; the guide rail is vertically fixed on the side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787424.2A CN111947905A (en) | 2020-08-07 | 2020-08-07 | Parachute cord operating force adjusting and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787424.2A CN111947905A (en) | 2020-08-07 | 2020-08-07 | Parachute cord operating force adjusting and measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111947905A true CN111947905A (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010787424.2A Pending CN111947905A (en) | 2020-08-07 | 2020-08-07 | Parachute cord operating force adjusting and measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111947905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044225A (en) * | 2021-03-09 | 2021-06-29 | 南京航空航天大学 | Single-wheel double-line parafoil driving device |
| CN114180074A (en) * | 2021-12-23 | 2022-03-15 | 航宇救生装备有限公司 | Method for adjusting main parameter installation angle of ram parafoil |
-
2020
- 2020-08-07 CN CN202010787424.2A patent/CN111947905A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044225A (en) * | 2021-03-09 | 2021-06-29 | 南京航空航天大学 | Single-wheel double-line parafoil driving device |
| CN113044225B (en) * | 2021-03-09 | 2022-03-25 | 南京航空航天大学 | Single-wheel double-line parafoil driving device |
| CN114180074A (en) * | 2021-12-23 | 2022-03-15 | 航宇救生装备有限公司 | Method for adjusting main parameter installation angle of ram parafoil |
| CN114180074B (en) * | 2021-12-23 | 2023-10-20 | 航宇救生装备有限公司 | Method for adjusting main parameter installation angle of punching parafoil |
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