CN106979849A - Spring rate capacity checking device - Google Patents
Spring rate capacity checking device Download PDFInfo
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- CN106979849A CN106979849A CN201710183297.3A CN201710183297A CN106979849A CN 106979849 A CN106979849 A CN 106979849A CN 201710183297 A CN201710183297 A CN 201710183297A CN 106979849 A CN106979849 A CN 106979849A
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- screw mandrel
- mounting bracket
- bearing
- spring
- checking device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
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- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of spring rate capacity checking device, including mounting bracket, one end connection pedestal of mounting bracket, in the other end of mounting bracket, displacement transducer digital display instrument, pulling force sensor display and stay-supported type displacement sensor are set, one end of screw mandrel is connected by clutch shaft bearing component with mounting bracket, the other end of screw mandrel is stretched into pedestal and is connected with second bearing component, and in setting spring fixed platform on screw mandrel, spring fixed platform connects S type pulling force sensors by tested extension spring；Handwheel is also set up on pedestal, handwheel is coordinated by drive sprocket axle and 3rd bearing component, and drive sprocket axle is connected by transmission component with the screw mandrel.The present invention is simple in construction, practical and convenient, the repetition for avoiding capacity checking device using spring fixed platform is installed, entering action edge transmission using transmission component avoids spring poise system during conventional counterweight loading from rocking caused reading unstability, measurement result is directly measured by displacement transducer digital display instrument, realizes the whole automation for checking process.
Description
Technical field
The present invention relates to ocean engineering hydrodynamicangle experiment field, more particularly to a kind of ocean engineering floating structure mooring
The spring rate capacity checking device of system stiffness simulated test.
Background technology
Spring rate, which is checked, to be mainly used in anchoring system simulation.Mooring positioning is floating structure using relatively broad
Location technology, mooring model investigation also takes up very big proportion, the key of this kind of experiment success or failure in ocean engineering experiment
One of factor is exactly the accuracy of mooring line simulation.When mooring line is simulated, geometric parameter is similar with weight to be easier to realize, rigidity
Similar is typically difficult directly to meet, it is necessary to add spring to realize.It can be said that whether spring rate check accurately directly affects and is
The accuracy of the elastic analog simulation of cable is moored, and then influences whole test accuracy.
Existing spring rate check method is to select suitable position mounting bracket, the nonadjustable signal on support
And suspension ring, pendulum spring is simultaneously in its lower end installation pointer, and now reading spring original is long and records, and then loads counterweight, treats spring
After elongation is stable, its length and record after elongation are read, counterweight is added with this and reads corresponding spring elongation, Zhi Daoji
Record data and be no less than 7, the data finally according to record calculate spring rate, so far complete single spring single and check, to keep away
Exempt from human factor influence, it is necessary to being repeated 2 times the above checks process, and obtained all results are averaged to obtain final spring firm
Degree.If rigidity meet require, can for complete corresponding model mooring line making, otherwise change spring repeat more than walk
Suddenly.The installation site and each link that existing spring rate capacity checking device is not fixed are not fixedly connected, and experiment every time needs
Reinstall, take a significant amount of time.Experimental rig fully relies on artificial reading, loading, record and calculated, when directly resulting in experiment
Between it is long.Artificial error in reading is larger, it is necessary to which repeated multiple times survey measurements is averaged.Existing spring rate checks dress in addition
The pointer for putting reading instruction is connected with spring, and the relative position after loading different weight with scale changes, and needs also exist for many
The average value of secondary measurement.Existing spring rate capacity checking device realizes spring by loading the counterweight of different weight in spring end
Spring after different elongations, loading counterweight is actual to be formed a single pendulum system, single when particularly weight is larger
Oscillator system rocks larger and is difficult stable, causes reading inaccurate and time lengthening.
The content of the invention
The applicant is directed to above-mentioned existing issue, has carried out Improvement there is provided a kind of spring rate capacity checking device, it has
There are high accuracy, high efficiency and automation, the requirement of ocean engineering structure anchoring system stiffness check can be met.
The technical solution adopted in the present invention is as follows：
A kind of spring rate capacity checking device, including mounting bracket, one end connection pedestal of the mounting bracket, in the mounting bracket
The other end displacement transducer digital display instrument, pulling force sensor display and stay-supported type displacement sensor are set, screw mandrel is arranged at institute
State on mounting bracket, one end of the screw mandrel is connected by clutch shaft bearing component with the mounting bracket, and the other end of the screw mandrel is stretched
Enter in pedestal and be connected with second bearing component, in setting spring fixed platform on the screw mandrel, spring fixed platform passes through quilt
Survey extension spring connection S type pulling force sensors；Handwheel is also set up on the pedestal, the handwheel passes through drive sprocket axle and 3rd bearing
Component coordinates, and the drive sprocket axle is connected with the screw mandrel by transmission component, driven by the handwheel and by 3rd bearing
Screw mandrel described in component, transmission component transmission power drive rotates, the spring fixed platform is made upper and lower displacement realization along screw mandrel
Measurement.
It is used as the further improvement of above-mentioned technical proposal：
The mounting bracket has a pair of stocks, and the screw mandrel is arranged between a pair of stocks, at least the side in a stock
Face sets graduated scale；
The S types pulling force sensor and pulling force sensor installing plate are affixed, the pulling force sensor installing plate and mounting bracket
Upper end one side it is affixed；
The spring fixed platform includes the screw mandrel sliding block coordinated with screw mandrel, affixed on the screw mandrel sliding block to be used to read
The pointer of graduated scale numerical value；The affixed slide attachment plate in front side of the screw mandrel sliding block, the bottom of the slide attachment plate is affixed to be used
In the extension spring bottom plate of fixed tested extension spring；The slide attachment plate is also affixed with laser range finder connecting plate, the laser ranging
The bottom of instrument connecting plate sets laser range finder；
The clutch shaft bearing component includes the adjustment packing ring coordinated with screw mandrel upper end, and the periphery of the adjustment packing ring coordinates deep
Support shaft bearing sleeve coordinates on deep groove ball bearing and screw mandrel in ditch ball bearing, the clutch shaft bearing component；
The second bearing component includes pushing away in the thrust ball bearing coordinated with screw mandrel lower end, the second bearing component
Power ball bearing and the follower shaft bearing cooperation for being installed on base interior；
The 3rd bearing component includes the thrust ball bearing and deep groove ball bearing coordinated with drive sprocket axle, the 3rd axle
Thrust ball bearing and deep groove ball bearing in bearing assembly coordinate with drive sprocket axle bearing, the deep-groove ball axle in 3rd bearing component
The bottom held, in the periphery of driving shaft also set up bearing cap；
The transmission component includes the main synchronous pulley coordinated with drive sprocket axle, and the periphery of the main synchronous pulley is by carrying out
Band from synchronous pulley with coordinating, and the periphery from synchronous pulley and screw mandrel coordinates；
Also set up on the mounting bracket for keeping mounting bracket to be connected vertical spirit bubble with pedestal.
Beneficial effects of the present invention are as follows：
The present invention is simple in construction, practical and convenient, and the repetition for avoiding capacity checking device using spring fixed platform is installed, and is utilized
Transmission component enters action edge transmission and avoids spring poise system during conventional counterweight loading from rocking caused reading unstability, measurement
As a result directly measured by displacement transducer digital display instrument, simultaneous displacement sensor digital display instrument can pass through computer interface and external meter
Calculation machine connects real-time data collection, and result is automatically analyzed after the completion of collection, realizes the whole automation for checking process, is ensureing
Test period has been saved on the basis of test accuracy.
Brief description of the drawings
Fig. 1 is front view of the invention.
Fig. 2 is Fig. 1 side view.
Fig. 3 is schematic cross-sectional views of the Fig. 1 in A-A directions.
Fig. 4 is schematic cross-sectional views of the Fig. 2 in B-B directions.
Fig. 5 is mplifying structure schematic diagrams of the Fig. 1 at I.
Fig. 6 is mplifying structure schematic diagrams of the Fig. 2 at L.
Fig. 7 is mplifying structure schematic diagrams of the Fig. 2 at J.
Fig. 8 is mplifying structure schematic diagrams of the Fig. 2 at K.
Wherein：1st, mounting bracket；2nd, displacement transducer digital display instrument；3rd, pulling force sensor display；4th, pulling force sensor is installed
Plate；5th, S types pulling force sensor；6th, stay-supported type displacement sensor；7th, it is tested extension spring；8th, laser range finder connecting plate；9th, Laser Measuring
Distance meter；10th, pedestal；11st, screw mandrel；12nd, stock；13rd, spirit bubble；14th, from synchronous pulley；15th, extension spring bottom plate；16th, sliding block is connected
Plate；17th, screw mandrel sliding block；18th, handwheel；19th, main synchronous pulley；20th, follower shaft bearing；21st, pointer；22nd, graduated scale；23rd, adjust
Whole packing ring；24th, support shaft bearing sleeve on screw mandrel；25th, deep groove ball bearing；26th, bearing cap；27th, drive sprocket axle bearing；28th, thrust ball
Bearing；29th, drive sprocket axle.
Embodiment
Illustrate the embodiment of the present invention below.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, spring rate capacity checking device includes mounting bracket 1, and one end of mounting bracket 1 is connected
Pedestal 10, sets displacement transducer digital display instrument 2, pulling force sensor display 3 and stay-supported displacement to pass in the other end of mounting bracket 1
Sensor 6, screw mandrel 11 is arranged on mounting bracket 1, and one end of screw mandrel 11 is connected by clutch shaft bearing component with mounting bracket 1, screw mandrel 11
The other end stretch into pedestal 10 and be connected with second bearing component, in setting spring fixed platform on screw mandrel 11, spring is fixed
Platform connects S types pulling force sensor 5 by tested extension spring 7；Handwheel 18 is also set up on pedestal 10, handwheel 18 passes through drive sprocket axle
29 coordinate with 3rd bearing component, and drive sprocket axle 29 is connected by transmission component with screw mandrel 11, are driven by handwheel 18 and by the
Three bearing assemblies, transmission component transmission power drive screw mandrel 11 rotate, spring fixed platform is made upper and lower displacement reality along screw mandrel 11
Now measure.As shown in Fig. 1, Fig. 3 and Fig. 4, above-mentioned transmission component includes the main synchronous pulley 19 coordinated with drive sprocket axle 29, main same
The periphery of step belt wheel 19, with coordinating from synchronous pulley 14, is coordinated by crawler belt from the periphery of synchronous pulley 14 and screw mandrel 11.
As shown in Fig. 2 above-mentioned mounting bracket 1 has a pair of stocks 12, screw mandrel 11 is arranged between a pair of stocks 12, at least existed
The side of a piece stock 12 sets graduated scale 22.As shown in figure 1, above-mentioned S types pulling force sensor 5 and pulling force sensor installing plate 4
Affixed, the upper end one side of pulling force sensor installing plate 4 and mounting bracket 1 is affixed.
As shown in Figure 1, Figure 3, spring fixed platform includes the screw mandrel sliding block 17 coordinated with screw mandrel 11, as shown in figure 5, in silk
The affixed pointer 21 for being used to read the numerical value of graduated scale 22 on bar sliding block 17；The affixed slide attachment plate 16 in front side of screw mandrel sliding block 17,
The bottom of slide attachment plate 16 is affixed to be used for the extension spring bottom plate 15 of fixed tested extension spring 7；Slide attachment plate 16 is gone back and laser ranging
Instrument connecting plate 8 is affixed, and the bottom of laser range finder connecting plate 8 sets laser range finder 9.
As shown in fig. 6, above-mentioned clutch shaft bearing component includes the adjustment packing ring 23 coordinated with the upper end of screw mandrel 11, packing ring 23 is adjusted
Periphery coordinate deep groove ball bearing 25, the deep groove ball bearing 25 in clutch shaft bearing component coordinates with support shaft bearing sleeve 24 on screw mandrel.
As shown in figure 8, above-mentioned second bearing component is included in the thrust ball bearing 28 coordinated with the lower end of screw mandrel 11, second bearing component
Thrust ball bearing 28 coordinates with the follower shaft bearing 20 being installed on inside pedestal 10.As shown in fig. 7, above-mentioned 3rd bearing component
Including the thrust ball bearing 28 and deep groove ball bearing 25 coordinated with drive sprocket axle 29, the thrust ball bearing 28 in 3rd bearing component
And deep groove ball bearing 25 coordinates with drive sprocket axle bearing 27, in 3rd bearing component the bottom of deep groove ball bearing 25, in master
The periphery of moving axis 29 also sets up bearing cap 26.
As shown in figure 3, being also set up on mounting bracket 1 for keeping mounting bracket 1 to be connected vertical spirit bubble 13 with pedestal 10.
The specific work process of the present invention is as follows：
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, handwheel 18 is rotated, is rotated by the main synchronous pulley 19 of 3rd bearing Component driver,
Main synchronous pulley 19 is transmitted power to from synchronous pulley 14 by crawler belt, is rotated from synchronous pulley 14 and by second bearing component
Screw mandrel 11 is driven to rotate, so that make straight-line displacement with the connection wire rod sliding block 17 of screw mandrel 11, it is logical while screw mandrel sliding block 17 is moved
Crossing slide attachment plate 16 drives extension spring bottom plate 15 to act, and tested extension spring 7 is realized stretching change, and the S types in the top of mounting bracket 1 are drawn
Force snesor 5 measures loading external force, and pulling force sensor display 3 shows external force value, and stay-supported type displacement sensor 6 is measured
Spring extends, and displacement transducer digital display instrument 2 shows that spring extends shift value, and displacement transducer digital display instrument 2 is connect by computer
The external computer of mouth connection, preserves the data gathered every time, automatic collecting analysis system is provided in the computer system of connection
It is fitted spring rate curve.
The present invention is simple in construction, practical and convenient, and the repetition for avoiding capacity checking device using spring fixed platform is installed, and is utilized
Transmission component enters action edge transmission and avoids spring poise system during conventional counterweight loading from rocking caused reading unstability, measurement
As a result directly measured by displacement transducer digital display instrument, simultaneous displacement sensor digital display instrument can pass through computer interface and external meter
Calculation machine connects real-time data collection, and result is automatically analyzed after the completion of collection, realizes the whole automation for checking process, is ensureing
Test period has been saved on the basis of test accuracy.
Above description is explanation of the invention, is not the restriction to invention, limited range of the present invention is referring to right
It is required that, in the case of the basic structure without prejudice to the present invention, the present invention can make any type of modification.
Claims (9)
1. a kind of spring rate capacity checking device, it is characterised in that：Including mounting bracket (1), one end linker of the mounting bracket (1)
Seat (10), sets displacement transducer digital display instrument (2), pulling force sensor display (3) in the other end of the mounting bracket (1) and draws
Wire type displacement transducer (6), screw mandrel (11) is arranged on the mounting bracket (1), and one end of the screw mandrel (11) passes through first axle
Bearing assembly is connected with the mounting bracket (1), the other end of the screw mandrel (11) stretch into pedestal (10) and with second bearing component
Connection, in setting spring fixed platform on the screw mandrel (11), spring fixed platform connects S type pulling force by tested extension spring (7)
Sensor (5)；Handwheel (18) is also set up on the pedestal (10), the handwheel (18) passes through drive sprocket axle (29) and the 3rd axle
Bearing assembly coordinates, and the drive sprocket axle (29) is connected by transmission component with the screw mandrel (11), is driven by the handwheel (18)
And screw mandrel (11) rotation described in power drive is transmitted by 3rd bearing component, transmission component, makes the spring fixed platform edge
Screw mandrel (11) makees upper and lower displacement and realizes measurement.
2. spring rate capacity checking device as claimed in claim 1, it is characterised in that：The mounting bracket (1) has a pair of stocks
(12), the screw mandrel (11) is arranged between a pair of stocks (12), at least sets graduated scale in the side of a stock (12)
(22)。
3. spring rate capacity checking device as claimed in claim 1, it is characterised in that：The S types pulling force sensor (5) and pulling force
Sensor installing plate (4) is affixed, and the pulling force sensor installing plate (4) and the upper end one side of mounting bracket (1) are affixed.
4. spring rate capacity checking device as claimed in claim 1, it is characterised in that：The spring fixed platform includes and screw mandrel
(11) the screw mandrel sliding block (17) coordinated, the affixed pointer for being used to read graduated scale (22) numerical value on the screw mandrel sliding block (17)
(21)；The affixed slide attachment plate in front side (16) of the screw mandrel sliding block (17), the bottom of the slide attachment plate (16) is affixed to be used
In the extension spring bottom plate (15) of fixed tested extension spring (7)；The slide attachment plate (16) is also solid with laser range finder connecting plate (8)
Connect, the bottom of the laser range finder connecting plate (8) sets laser range finder (9).
5. spring rate capacity checking device as claimed in claim 1, it is characterised in that：The clutch shaft bearing component includes and screw mandrel
(11) the adjustment packing ring (23) that upper end coordinates, the periphery of the adjustment packing ring (23) coordinates deep groove ball bearing (25), described first
Deep groove ball bearing (25) in bearing assembly coordinates with support shaft bearing sleeve (24) on screw mandrel.
6. spring rate capacity checking device as claimed in claim 1, it is characterised in that：The second bearing component includes and screw mandrel
(11) thrust ball bearing (28) in the thrust ball bearing (28) that lower end coordinates, the second bearing component is with being installed on pedestal
(10) internal follower shaft bearing (20) coordinates.
7. spring rate capacity checking device as claimed in claim 1, it is characterised in that：The 3rd bearing component includes and active
Thrust ball bearing in thrust ball bearing (28) and deep groove ball bearing (25) that wheel shaft (29) coordinates, the 3rd bearing component
(28) and deep groove ball bearing (25) with drive sprocket axle bearing (27) coordinate, the deep groove ball bearing (25) in 3rd bearing component
Bottom, in the periphery of driving shaft (29) also set up bearing cap (26).
8. spring rate capacity checking device as claimed in claim 1, it is characterised in that：The transmission component includes and drive sprocket axle
(29) the main synchronous pulley (19) coordinated, the periphery of the main synchronous pulley (19) is by crawler belt with matching somebody with somebody from synchronous pulley (14)
Close, the periphery from synchronous pulley (14) and screw mandrel (11) coordinates.
9. spring rate capacity checking device as claimed in claim 1, it is characterised in that：Use is also set up on the mounting bracket (1)
Vertical spirit bubble (13) is connected with pedestal (10) in keeping mounting bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183297.3A CN106979849A (en) | 2017-03-24 | 2017-03-24 | Spring rate capacity checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183297.3A CN106979849A (en) | 2017-03-24 | 2017-03-24 | Spring rate capacity checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979849A true CN106979849A (en) | 2017-07-25 |
Family
ID=59338363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710183297.3A Pending CN106979849A (en) | 2017-03-24 | 2017-03-24 | Spring rate capacity checking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106979849A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884147A (en) * | 2017-12-26 | 2018-04-06 | 瓦房店轴承集团有限责任公司 | Novel precise compression spring marking apparatus |
| CN109752156A (en) * | 2019-02-19 | 2019-05-14 | 上海交通大学 | A kind of spring rate measuring device suitable for the test of ocean platform disassembly model |
| CN111649883A (en) * | 2020-05-25 | 2020-09-11 | 河北金力新能源科技股份有限公司 | Evaluation method of circular knife spring of splitting machine and circular knife spring elasticity testing device used in evaluation method |
| CN112284656A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院精密测量科学与技术创新研究院 | Zero-length spring stiffness and drift amount integrated batch detection system and method |
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| SU1739238A1 (en) * | 1990-08-06 | 1992-06-07 | Университет дружбы народов им.Патриса Лумумбы | Arrangement for determining rigidity characteristics of flexible supports of dynamometers |
| CN204556371U (en) * | 2015-05-13 | 2015-08-12 | 尹怡铭 | The experimental provision of a kind of rocker-type elastic force and spring elongates relation |
| CN205426417U (en) * | 2016-03-31 | 2016-08-03 | 河南省计量科学研究院 | Belt tension counts calibrating device |
| CN205580693U (en) * | 2016-03-21 | 2016-09-14 | 山东交通学院 | Spring stiffness measuring device |
| CN106546422A (en) * | 2016-11-08 | 2017-03-29 | 浙江省特种设备检验研究院 | A kind of method of on-line measurement suspension and support spring rate |
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| SU1727012A1 (en) * | 1989-10-06 | 1992-04-15 | Всесоюзный научно-исследовательский, проектно-конструкторский и технологический институт электровозостроения | Device for determining rigidity parameters of helical compression springs |
| SU1739238A1 (en) * | 1990-08-06 | 1992-06-07 | Университет дружбы народов им.Патриса Лумумбы | Arrangement for determining rigidity characteristics of flexible supports of dynamometers |
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| CN205580693U (en) * | 2016-03-21 | 2016-09-14 | 山东交通学院 | Spring stiffness measuring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884147A (en) * | 2017-12-26 | 2018-04-06 | 瓦房店轴承集团有限责任公司 | Novel precise compression spring marking apparatus |
| CN109752156A (en) * | 2019-02-19 | 2019-05-14 | 上海交通大学 | A kind of spring rate measuring device suitable for the test of ocean platform disassembly model |
| CN111649883A (en) * | 2020-05-25 | 2020-09-11 | 河北金力新能源科技股份有限公司 | Evaluation method of circular knife spring of splitting machine and circular knife spring elasticity testing device used in evaluation method |
| CN111649883B (en) * | 2020-05-25 | 2022-04-05 | 河北金力新能源科技股份有限公司 | Evaluation method of circular knife spring of splitting machine and circular knife spring elasticity testing device used in evaluation method |
| CN112284656A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院精密测量科学与技术创新研究院 | Zero-length spring stiffness and drift amount integrated batch detection system and method |
| CN112284656B (en) * | 2020-09-30 | 2023-04-11 | 中国科学院精密测量科学与技术创新研究院 | Zero-length spring stiffness and drift amount integrated batch detection system and method |
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Application publication date: 20170725 |