CN110254747A - A kind of force measuring support device based on band - Google Patents
A kind of force measuring support device based on band Download PDFInfo
- Publication number
- CN110254747A CN110254747A CN201910443661.4A CN201910443661A CN110254747A CN 110254747 A CN110254747 A CN 110254747A CN 201910443661 A CN201910443661 A CN 201910443661A CN 110254747 A CN110254747 A CN 110254747A
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- China
- Prior art keywords
- band
- traction rope
- force measuring
- support device
- metal steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A kind of force measuring support device based on band, including band, traction rope, column block；The band includes the metal steel strap of semicircle shape, connection structure, connection bolt, draws ear；The metal steel strap both ends are respectively provided with connection structure, and two are correspondingly connected with structure is fixedly connected by connecting bolt；If uniformly distributed dry drawing ear, each drawing ear are sequentially connected corresponding elastic element, load cell, traction rope on metal steel strap；Each traction rope other end is connected to corresponding column block, is additionally provided with corresponding length adjustment device on each traction rope；The center of circle for the circle that each traction rope is surrounded along band is radially arranged.The present invention is easy to install and use, system support stiffness is controllable, added influence is small, installation cost is low.
Description
Technical field
The present invention relates to a kind of force measuring support device based on band, belongs to free boundary analogue technique field.
Background technique
Design of stabilizing system, whole rocket structure calculation of dynamic load and the arrow of space launch vehicle/device Dynamics Coupling analysis
Basis and according to it first is that grasp its kinetic characteristics, therefore how accurately to obtain the structural dynamic parameter of space launch vehicle,
It is directly related to the success or failure of the flight of space launch vehicle.
Presently the most effectively direct obtaining means are the whole rocket modal tests for carrying out space launch vehicle.And space launch vehicle
The implementation of kinetic characteristics test needs to simulate freedom-free boundary condition of aerospace craft state of flight.China is for normal
The relevant technologies of scale cun aerospace craft structure free boundary simulation are mature, and have accumulated experience abundant.The country is existing
There is technology to have reached the top standard of external correlation test technology.But with the hair of national development of new vehicle model
There are some drawbacks, such as novel vehicle size is big, need auxiliary construction in exhibition, the wire rope suspensioning technology of traditional classical
Larger sized whole rocket modal test place, i.e. whole rocket vibration tower increase cost；In addition wire rope suspensioning can go out in individual state
Now since wirerope Chord vibration leads to the problem of influencing Structure Dynamic Characteristics parameters precision.Therefore a kind of novel boundary condition simulation technology
It is developed, i.e. the free boundary analogue technique based on oil gas bearing principle.Relative to classical vertically depending mode, need
A set of increasingly complex transverse arresting apparatus guarantees the center condition of system and erects stability, while transverse arresting apparatus is rigid
Degree design also needs to meet additional mass specified in relevant criterion and additional stiffness requirement.
Based on the free boundary simulation system of oil gas bearing, need mating lateral stability subsystem that can just work, lateral stability
Subsystem is made of three parts, upper supporting system, lower support system and safety collar.Upper supporting system major function is to prevent test specimen
The ability toppled over also needs have ability of the limit assay part with respect to oil gas supporting space relative position, i.e., function placed in the middle.State at present
The interior engineering experience for suspending free boundary upper supporting system in midair is abundant, but the engineering of the upper supporting system based on oil gas bearing
Technical application or blank.
Summary of the invention
(1) technical problems to be solved
A kind of force measuring support device based on band is proposed for above-mentioned insufficient and demand, the present invention in the prior art,
Its by two semicircular fasten metal tape enclosing constraint is carried out to testpieces, by draw ear, elastic element, load cell and
The elements such as length adjustment device constitute a kind of resilient supporting unit that support stiffness is controllable.
(2) technical solution
A kind of force measuring support device based on band, including band, traction rope, column block；The band includes semicircle shape
Metal steel strap, connection bolt, draws ear at connection structure；The metal steel strap both ends are respectively provided with connection structure, and two are correspondingly connected with structure
It is fixedly connected by connecting bolt；If uniformly distributed dry drawing ear, each drawing ear are sequentially connected corresponding elasticity on metal steel strap
Element, load cell, traction rope；Each traction rope other end is connected to corresponding column block, is additionally provided on each traction rope
Corresponding length adjustment device；The center of circle for the circle that each traction rope is surrounded along band is radially arranged.
Thin felt is set on the inside of the metal steel strap.
The elastic element is spring.
A kind of installation method of the force measuring support device based on band, comprising the following steps:
S1, by symmetrical metal steel strap after the testpieces, two corresponding connection structures alignment, just by the installation of connection bolt
Position, it is each after installing in place that ear is drawn to be directed toward the corresponding column block in shielded frame；
S2, its corresponding elastic element is installed on each drawing ear, and then each elastic element is sequentially connected corresponding survey
Force snesor, traction rope wear length adjustment device, the other end of length adjustment device and the column of shielded frame on traction rope
Block is fixedly connected；
S3, prefastening force is applied to the force measuring support device using length adjustment device, using symmetrical during applying
Graded loading way is loaded, while monitoring the signal output of each load cell, it is ensured that the pretightning force in several orientation is consistent；
S4, the signal output of load cell is connected into data acquisition equipment, force measuring support device described in real-time monitoring
Holding state.
(3) beneficial effect
A kind of force measuring support device based on band of the invention, by two semicircular fasten metal tape to testpieces into
Row encloses constraint, can by drawing the elements such as ear, elastic element, load cell and length adjustment device to constitute a kind of support stiffness
The resilient supporting unit of control.In the case where meeting certain pretightning force state, the force measuring support device mainly characterizes the rigid of elastic element
Characteristic is spent, the stiffness characteristics of elastic element can carry out design early period in testing program programming phase, and then realize that testpieces is empty
Between position lateral stability support.Compared with prior art, the present invention is easy to install and use, system support stiffness is controllable, additional
It influences that small, installation cost is low, is with a wide range of applications and higher promotional value.
Detailed description of the invention
Band structural schematic diagram in a kind of force measuring support device based on band Fig. 1 of the invention.
A kind of connection schematic diagram of force measuring support device based on band Fig. 2 of the invention.
A kind of force measuring support device based on band Fig. 3 of the invention uses schematic diagram.
In figure, 1- metal steel strap；2- connection structure；3- connection bolt；4- draws ear；5- testpieces；6- elastic element；7- is surveyed
Force snesor；8- length adjustment device；9- column block；10- traction rope.
Specific embodiment
Referring to Fig. 1-3, a kind of force measuring support device based on band of the invention, including band, traction rope 10, column block 9；
The band includes the metal steel strap 1 of semicircle shape, connection structure 2, connection bolt 3, draws ear 4；1 both ends of metal steel strap are all provided with
Connection structure 2 is set, two are correspondingly connected with structure 2 is fixedly connected by connecting bolt 3；If uniformly distributed dry drawing ear 4 on metal steel strap 1, often
A drawing ear 4 is sequentially connected corresponding elastic element 6, load cell 7, traction rope 10；Each 10 other end of traction rope connects
It is connected to corresponding column block 9, is additionally provided with corresponding length adjustment device 8 on each traction rope 10；Each traction rope 10 is along band
The center of circle of the circle surrounded is radially arranged.
Thin felt is set on the inside of the metal steel strap 1.
The elastic element 6 is spring.
A kind of installation method of force measuring support device based on band of the invention, comprising the following steps:
S1, by symmetrical metal steel strap 1 after the testpieces 5, two corresponding connection structures 2 are aligned, and are passed through connection bolt 3 and are pacified
Dress is in place, each after installing in place that ear 4 is drawn to be directed toward the corresponding column block 9 in shielded frame；
S2, its corresponding elastic element 6 is installed on each drawing ear 4, and then each elastic element 6 is sequentially connected accordingly
Load cell 7, traction rope 10, wear length adjustment device 8 on traction rope 10, the other end of length adjustment device 8 and anti-
The column block 9 of shield frame is fixedly connected；
S3, prefastening force is applied to the force measuring support device using length adjustment device 8, using symmetrical during applying
Graded loading way is loaded, while monitoring the signal output of each load cell 7, it is ensured that the pretightning force one in several orientation
It causes；
S4, the signal output of load cell 7 is connected into data acquisition equipment, force measuring support device described in real-time monitoring
Holding state.
Claims (4)
1. a kind of force measuring support device based on band, which is characterized in that including band, traction rope, column block；The band includes
The metal steel strap of semicircle shape, connection bolt, draws ear at connection structure；The metal steel strap both ends are respectively provided with connection structure, and two is corresponding
Connection structure is fixedly connected by connecting bolt；If uniformly distributed dry drawing ear, each drawing ear are sequentially connected phase on metal steel strap
Elastic element, load cell, the traction rope answered；Each traction rope other end is connected to corresponding column block, on each traction rope
It is additionally provided with corresponding length adjustment device；The center of circle for the circle that each traction rope is surrounded along band is radially arranged.
2. a kind of force measuring support device based on band as described in claim 1, which is characterized in that on the inside of the metal steel strap
Thin felt is set.
3. a kind of force measuring support device based on band as described in claim 1, which is characterized in that the elastic element is bullet
Spring.
4. a kind of installation method of any force measuring support device based on band of claim 1-3, comprising the following steps:
S1, by symmetrical metal steel strap after the testpieces, two corresponding connection structures alignment are in place by connection bolt installation,
It is each after installation is in place that ear is drawn to be directed toward the corresponding column block in shielded frame；
S2, its corresponding elastic element is installed on each drawing ear, and then each elastic element is sequentially connected corresponding dynamometry and is passed
Sensor, traction rope, wear length adjustment device on traction rope, and the other end of length adjustment device and the column block of shielded frame are solid
Fixed connection；
S3, prefastening force is applied to the force measuring support device using length adjustment device, using symmetrical classification during applying
Loading method is loaded, while monitoring the signal output of each load cell, it is ensured that the pretightning force in several orientation is consistent；
S4, the signal output of load cell is connected into data acquisition equipment, the support of force measuring support device described in real-time monitoring
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443661.4A CN110254747B (en) | 2019-05-27 | 2019-05-27 | Force measurement supporting device based on wrapping belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443661.4A CN110254747B (en) | 2019-05-27 | 2019-05-27 | Force measurement supporting device based on wrapping belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110254747A true CN110254747A (en) | 2019-09-20 |
| CN110254747B CN110254747B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910443661.4A Active CN110254747B (en) | 2019-05-27 | 2019-05-27 | Force measurement supporting device based on wrapping belt |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246063A (en) * | 2008-03-21 | 2008-08-20 | 北京航空航天大学 | Spacecraft spacing tiny perturbation load measuring system |
| CN102767996A (en) * | 2012-07-30 | 2012-11-07 | 上海宇航系统工程研究所 | Low-impact clamp band joint unlocking device |
| CN207181068U (en) * | 2017-08-14 | 2018-04-03 | 北京强度环境研究所 | 8 freedom suspension devices of carrier rocket full modal test |
| CN107954006A (en) * | 2017-11-23 | 2018-04-24 | 北京宇航系统工程研究所 | Rigid package band release device |
-
2019
- 2019-05-27 CN CN201910443661.4A patent/CN110254747B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246063A (en) * | 2008-03-21 | 2008-08-20 | 北京航空航天大学 | Spacecraft spacing tiny perturbation load measuring system |
| CN102767996A (en) * | 2012-07-30 | 2012-11-07 | 上海宇航系统工程研究所 | Low-impact clamp band joint unlocking device |
| CN207181068U (en) * | 2017-08-14 | 2018-04-03 | 北京强度环境研究所 | 8 freedom suspension devices of carrier rocket full modal test |
| CN107954006A (en) * | 2017-11-23 | 2018-04-24 | 北京宇航系统工程研究所 | Rigid package band release device |
Non-Patent Citations (1)
| Title |
|---|
| 谭雪峰: "星箭包带式连接结构动力学研究进展", 《导弹与航天运载技术》 * |
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| CN110254747B (en) | 2020-12-01 |
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