CN206818406U - The device of batch detection device of spring stiffness coefficient - Google Patents
The device of batch detection device of spring stiffness coefficient Download PDFInfo
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- CN206818406U CN206818406U CN201720679256.9U CN201720679256U CN206818406U CN 206818406 U CN206818406 U CN 206818406U CN 201720679256 U CN201720679256 U CN 201720679256U CN 206818406 U CN206818406 U CN 206818406U
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- sliding block
- processor
- displacement
- line slideway
- stiffness coefficient
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Abstract
The device of batch detection device of spring stiffness coefficient, it is related to detection device technical field, it includes fixed seat, line slideway, multiple sliding blocks being slidably connected on line slideway, the haulage gear slided for drawing the sliding block on line slideway, displacement detecting mechanism and the slider displacement amount for being detected according to the tractive force size and displacement detecting mechanism of the haulage gear for detecting the slider displacement amount calculate the computing unit of device of spring stiffness coefficient, the fixed seat is fixedly installed on the front end of line slideway, the haulage gear is located at the rear end of line slideway, the sliding block spacing side by side is arranged between fixed seat and haulage gear, the displacement detecting mechanism is connected with computing unit.The utility model once can detect the stiffness factor of more springs, and detection efficiency is higher.
Description
Technical field
Detection device technical field is the utility model is related to, especially a kind of device of batch detection device of spring stiffness coefficient.
Background technology
Spring is widely used reset element, and the stiffness factor of spring is the axially loaded and axial deflection of spring
Ratio（k=F/s）, it is a parameter for weighing spring performance.Every batch of spring will detect it before dispatching from the factory by extension test
Stiffness factor, the device of spring stiffness coefficient detector sold on the market at present can only once survey a spring, and detection efficiency is relatively low.This
Outside, the sample size that needs detect when being produced due to factory mass is larger, therefore needs to buy more detectors to meet to produce
Demand, equipment purchase cost are higher.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of device for being capable of batch detection device of spring stiffness coefficient,
It once can detect the stiffness factor of more springs, and detection efficiency is higher.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：A kind of batch detection spring stiffness
The device of coefficient, including fixed seat, line slideway, multiple sliding blocks being slidably connected on line slideway, for drawing the cunning
The haulage gear that block slides on line slideway, the displacement detecting mechanism for detecting the slider displacement amount and for basis
The slider displacement amount of tractive force size and the displacement detecting mechanism detection of the haulage gear calculates the calculating of device of spring stiffness coefficient
Unit, the fixed seat are fixedly installed on the front end of line slideway, and the haulage gear is located at the rear end of line slideway, the cunning
Block spacing side by side is arranged between fixed seat and haulage gear, and the displacement detecting mechanism is connected with computing unit.
Further, the displacement detecting mechanism includes slide rheostat, resistance measurement unit and processor, the slip
Rheostat includes resistance wire and polylith slide plate, each sliding block one piece of slide plate of corresponding connection, and the slide plate is resisted against on resistance wire, institute
One end connection resistance measurement unit of slide plate and resistance wire is stated, the resistance measurement unit is connected with processor, the processor
It is connected with computing unit, the resistance change that the processor measures according to resistance measurement unit calculates the displacement of sliding block.
Further, the displacement detecting mechanism include scale grating, processor and it is multiple be used for read scale grating
The grating reading head of high scale data, the scale grating are set parallel to line slideway, and the grating reading head corresponds
Sliding block is connected to, the processor is connected with computing unit, and when the sliding block moves, the processor is read according to grating reading head
The calibration data change taken calculates the displacement of sliding block.
Further, the displacement detecting mechanism includes slide rail, detection block, the photoelectric transfer set parallel to line slideway
Sensor, processor, the laser displacement sensor for monitoring detection block position and for driving detection block to be slided on slide rail
Drive mechanism, the detection block is slidably connected with slide rail, and the photoelectric sensor includes being separately mounted to sliding block and detection block
On transmitters and receivers, the detection circuit of receiver connection one, detection circuit and the laser displacement sensor connection
Processor, the processor connect computing unit, when the receiver receives the optical signal that transmitter is sent, the processor
The position of the detection block monitored according to now laser displacement sensor determines the position of sliding block, and the processor is according to sliding block
Change in location calculates the displacement of sliding block.
Further, in addition to a workbench, the fixed seat, line slideway, haulage gear are installed in workbench
On.
Further, it is equipped with the rear end face of the fixed seat and the front end face of sliding block and rear end face for tangling
The link of spring to be measured.
Further, the haulage gear includes electric cylinders, and the piston rod top of the electric cylinders, which is provided with, to be used to clasp sliding block
Upper link buckles.
Further, the two side of the line slideway offers V-shaped groove, and the sliding block is provided with and V-shaped groove phase
The projection matched somebody with somebody, raised be provided with abut against the inwall of V-shaped groove by multiple balls being arranged in a linear, the ball.
Operation principle of the present utility model is as follows：First pass through multiple sliding blocks each spring is together in series, by the bullet of front end
Spring is connected to fixed seat, and makes each spring in the raw, then is pulled and slided by tractive force of the haulage gear using size as F
Block, now the stress size of every spring is F（High-precision slide rail pair is selected, so ensures that sliding block is led with straight line
Coefficient of friction is minimum between rail so that influence of the frictional force to pulling force is minimum, can be ignored）, stop after a segment distance is pulled
Lower haulage gear so that each spring is in static extended state, at this moment connects the difference of the displacement of two sliding blocks of the spring
The as amount of tension s of spring, the stiffness factor k values of spring can be calculated by formula k=F/s.
In the utility model, the displacement of sliding block is supplied to computing unit by displacement detecting mechanism, computing unit according to
The displacement calculation of connecting spring both ends sliding block goes out the difference of the two, you can the amount of tension s of spring is obtained, further according to haulage gear
The tractive force F values and formula k=F/s of offer can calculate the stiffness factor k values of corresponding spring.It can be seen by above description
Go out, detection means provided by the utility model is connected more springs simultaneously by sliding block, is capable of the strength of more springs of one-time detection
Coefficient is spent, and its length to spring does not limit, and each its length to be measured and stiffness factor can be different, have higher
Detection efficiency, be particularly suitable for spring production plant batch detection and use.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment 1；
Fig. 2 is the cross section structure diagram of the cathetus guide rail of embodiment 1 and sliding block；
Fig. 3 is the overall structure diagram of the utility model embodiment 2；
Fig. 4 is the overall structure diagram of the utility model embodiment 3.
Reference is：
1 --- fixed seat 2 --- line slideway 3 --- sliding block
4 --- haulage gear 4a --- electric cylinders 5 --- displacement detecting mechanisms
5a --- scale grating 5b --- slide rail 5c --- detection blocks
6 --- computing unit 7 --- workbench.
Embodiment
In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise prescribed and is limited, term " installation ", " phase in description of the present utility model
Even ", " connection " should be interpreted broadly, for example, it may be mechanical connection or the company of electrical connection or two element internals
It is logical, can be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can
To understand the concrete meaning of the term as the case may be.
Need to illustrate in advance, the utility model is not related to the control program of detection means and changing for calculation procedure
Enter, the control program and calculation procedure that the utility model uses are derived from prior art, due to the formula that the utility model is related to
Calculate very simple（Shift differences are first sought, then stiffness factor value is asked by stiffness factor formula）, therefore in practical application, this reality
Can be directly using the computer that Excel softwares are provided with testing laboratory, by Excel with the computing unit in new
The function formula carried and automatic computing function can are completed to calculate.Likewise, sensor etc. used by the utility model
Part generally uses both from prior art, these sensors on detecting instrument and lathe, and its control program is also all
It is existing.
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and accompanying drawing further
Explanation, the content that embodiment refers to not to restriction of the present utility model.
Embodiment 1
As shown in figure 1, a kind of device of batch detection device of spring stiffness coefficient, including fixed seat 1, line slideway 2, multiple cunnings
The dynamic sliding block 3 being connected on line slideway 2, for drawing haulage gear 4 that the sliding block 3 slides on line slideway 2, being used for
Detect the displacement detecting mechanism 5 of the displacement of sliding block 3 and for the tractive force size according to the haulage gear 4 and displacement
The computing unit 6 for the displacement calculation device of spring stiffness coefficient of sliding block 3 that testing agency 5 is detected, the fixed seat 1 are fixedly installed on directly
The front end of line guide rail 2, the haulage gear 4 are located at the rear end of line slideway 2, and the spacing side by side of sliding block 3 is arranged on fixed seat 1
Between haulage gear 4, the displacement detecting mechanism 5 is connected with computing unit 6.
In the device for the batch detection device of spring stiffness coefficient that above-mentioned embodiment provides, multiple sliding blocks 3 are first passed through by each bullet
Spring is together in series, and the spring of front end is connected into fixed seat 1, and makes each spring in the raw, then passes through haulage gear 4
Sliding block 3 is pulled using a certain size power as F, now the stress size of every spring is F（High-precision slide rail pair is selected, this
Sample ensures that coefficient of friction is minimum between sliding block and line slideway so that influence of the frictional force to pulling force is minimum, can ignore
Disregard）, stop haulage gear 4 after a segment distance is pulled so that each spring is in static extended state, at this moment connects the bullet
The difference of the displacement of two sliding blocks 3 of spring is the amount of tension s of spring, and the stiffness of spring can be calculated by formula k=F/s
Coefficient k value.Wherein, the displacement of sliding block 3 is supplied to computing unit 6 by displacement detecting mechanism, and computing unit 6 is according to connecting spring
The displacement calculation of both ends sliding block 3 goes out the difference of the two, you can obtains the amount of tension s of spring, is provided further according to haulage gear 4
Tractive force F values and formula k=F/s can calculate the stiffness factor k values of corresponding spring.By above description as can be seen that this reality
Can be with the stiffness factor of more springs of one-time detection with the detection means of new offer, its length to spring does not limit, respectively
Its length and stiffness factor to be measured can be different, have higher detection efficiency, are particularly suitable for spring production plant batch
Detection uses.
Further, displacement detecting mechanism 5 includes slide rheostat, resistance measurement unit and processor, slide rheostat bag
Resistance wire and polylith slide plate, each sliding block 3 one piece of slide plate of corresponding connection are included, slide plate is resisted against on resistance wire, slide plate and resistance wire
One end connection resistance measurement unit, resistance measurement unit is connected with processor, and processor is connected with computing unit 6, processor
The resistance change measured according to resistance measurement unit can calculate the displacement of sliding block 3, use slide rheostat, resistance measurement
Unit and processor group into displacement transducer can make that signal output is sensitiveer, service life length.
Further, in addition to a workbench 7, the fixed seat 1, line slideway 2 and haulage gear 4 are installed in work
Make on platform 7, in the present embodiment, the table top of workbench 7 is horizontal plane, to facilitate each equipment of adjustment, ensures the steady of testing result
It is qualitative.
Further, it can also be respectively provided with and be used on the rear end face of fixed seat 1 and the front end face and rear end face of sliding block 3
The link of spring to be measured is tangled, consequently facilitating rapidly by spring in fixed seat 1 or sliding block 3, further improves detection effect
Rate.
Further, haulage gear 4 includes electric cylinders 4a, and electric cylinders 4a piston rod top, which is provided with, to be used to clasp to hang on sliding block 3
Ring buckles, and provides tractive force using electric cylinders 4a to pull spring, effect stability, and controllability is good.
It should be further stated that force meter can be first passed through to determine that electric cylinders 4a piston rod stretches certain distance（Example
As piston rod is retractable to extreme degree）When caused pulling force size, can ensure the drawing due to ensureing that the stretching distance is constant
Force value immobilizes, therefore can be in advance by the size of the pulling force in spring detection work afterwards（That is F）It is input in controller,
Piston rod is set to be retractable to predetermined distance every time during spring to be detected, you can directly to carry out related fortune using the pulling force size
Calculate.
Further, as shown in Fig. 2 V-shaped groove can be opened up in the two side of line slideway 2, setting and V-arrangement on sliding block 3
The projection that groove matches, then set in projection by multiple balls being arranged in a linear, ball is abutted against the interior of V-shaped groove
It wall, can so make sliding block 3 more smooth when being slided on line slideway 2, and cause friction mode to be therebetween changed into rolling
Dynamic friction, its coefficient of friction is minimum, can improve smoothness when sliding block 3 slides.
Embodiment 2
The structure that embodiment 2 essentially consists in displacement detecting mechanism 5 from the difference of embodiment 1 is different, as shown in figure 3, in reality
Apply in example 2, displacement detecting mechanism 5 include scale grating 5a, processor and it is multiple be used for read scale grating 5a high scale numbers
According to grating reading head, scale grating 5a sets parallel to line slideway 2, and grating reading head connects one to one in sliding block 3, place
Reason device is connected with computing unit 6, and when sliding block 3 moves, the calibration data change that processor is read according to grating reading head calculates
The displacement of sliding block 3.
Embodiment 3
The structure that embodiment 3 also essentially consists in displacement detecting mechanism 5 from the difference of embodiment 1 is different, as shown in figure 4, position
Move testing agency 5 include parallel to line slideway 2 set slide rail 5b, detection block 5c, photoelectric sensor, processor, for supervising
Survey the laser displacement sensor of detection block 5c positions and the drive mechanism for driving detection block 5c to be slided on slide rail 5b（It is attached
Not shown in figure）, detection block 5c is slidably connected with slide rail 5b, and photoelectric sensor includes being separately mounted to sliding block 3 and detection block 5c
On transmitters and receivers, receiver connection one detection circuit（Not shown in accompanying drawing）, detect circuit and laser displacement sensing
Device connect processor, processor connection computing unit 6, when receiver receives the optical signal that transmitter is sent, processor according to
Now the position for the detection block 5c that laser displacement sensor monitors determines the position of sliding block 3, and processor is according to the position of sliding block 3
Change calculates the displacement of sliding block 3.
Above-described embodiment is the preferable implementation of the utility model, and in addition, the utility model can be with other sides
Formula is realized, any on the premise of the technical program design is not departed from obviously to replace in protection model of the present utility model
Within enclosing.
In order to allow those of ordinary skill in the art more easily understand the utility model relative to prior art improvement it
Place, some accompanying drawings of the present utility model and description have been simplified, and for the sake of clarity, present specification is omitted one
A little other elements, those of ordinary skill in the art should be aware that these elements omitted also may make up in of the present utility model
Hold.
Claims (8)
1. the device of batch detection device of spring stiffness coefficient, including fixed seat（1）, line slideway（2）, multiple be slidably connected at straight line
Guide rail（2）On sliding block（3）, for drawing the sliding block（3）In line slideway（2）The haulage gear of upper slip（4）, for examining
Survey the sliding block（3）The displacement detecting mechanism of displacement（5）And for according to the haulage gear（4）Tractive force size and
Displacement detecting mechanism（5）The sliding block of detection（3）The computing unit of displacement calculation device of spring stiffness coefficient（6）, the fixed seat（1）
It is fixedly installed on line slideway（2）Front end, the haulage gear（4）Located at line slideway（2）Rear end, the sliding block（3）
Spacing side by side is arranged on fixed seat（1）With haulage gear（4）Between, the displacement detecting mechanism（5）With computing unit（6）Even
Connect.
2. the device of batch detection device of spring stiffness coefficient according to claim 1, it is characterised in that：The displacement detecting machine
Structure（5）Including slide rheostat, resistance measurement unit and processor, the slide rheostat includes resistance wire and polylith slide plate,
Each sliding block（3）One piece of slide plate of corresponding connection, the slide plate are resisted against on resistance wire, one end connection of the slide plate and resistance wire
Resistance measurement unit, the resistance measurement unit are connected with processor, the processor and computing unit（6）Connection, the place
The resistance change that reason device measures according to resistance measurement unit calculates sliding block（3）Displacement.
3. the device of batch detection device of spring stiffness coefficient according to claim 1, it is characterised in that：The displacement detecting machine
Structure（5）Including scale grating（5a）, processor and it is multiple be used for read scale grating（5a）The grating reading of high scale data
Head, the scale grating（5a）Parallel to line slideway（2）Set, the grating reading head connects one to one in sliding block（3）,
The processor and computing unit（6）Connection, the sliding block（3）When mobile, the processor is read according to grating reading head
Calibration data change calculates sliding block（3）Displacement.
4. the device of batch detection device of spring stiffness coefficient according to claim 1, it is characterised in that：The displacement detecting machine
Structure（5）Including parallel to line slideway（2）The slide rail of setting（5b）, detection block（5c）, photoelectric sensor, processor, for supervising
Survey detection block（5c）The laser displacement sensor of position and for driving detection block（5c）In slide rail（5b）The driving of upper slip
Mechanism, the detection block（5c）With slide rail（5b）It is slidably connected, the photoelectric sensor includes being separately mounted to sliding block（3）And inspection
Survey block（5c）On transmitters and receivers, the detection circuit of receiver connection one, the detection circuit and laser displacement pass
Sensor connects processor, and the processor connects computing unit（6）, the receiver receives the optical signal that transmitter is sent
When, detection block that the processor monitors according to now laser displacement sensor（5c）Position determine sliding block（3）Position,
The processor is according to sliding block（3）Change in location calculate sliding block（3）Displacement.
5. the device of the batch detection device of spring stiffness coefficient according to any one in claim 1-4, it is characterised in that：Also
Including a workbench（7）, the fixed seat（1）, line slideway（2）, haulage gear（4）It is installed in workbench（7）On.
6. the device of batch detection device of spring stiffness coefficient according to claim 5, it is characterised in that：The fixed seat（1）
Rear end face and sliding block（3）Front end face and rear end face on be equipped with link for tangling spring to be measured.
7. the device of batch detection device of spring stiffness coefficient according to claim 6, it is characterised in that：The haulage gear
（4）Including electric cylinders（4a）, the electric cylinders（4a）Piston rod top be provided be used for clasp sliding block（3）Upper link buckles.
8. the device of batch detection device of spring stiffness coefficient according to claim 1, it is characterised in that：The line slideway
（2）Two side offer V-shaped groove, the sliding block（3）Be provided with the projection that matches with V-shaped groove, it is described it is raised be provided with by
Multiple balls being arranged in a linear, the ball abut against the inwall of V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679256.9U CN206818406U (en) | 2017-06-13 | 2017-06-13 | The device of batch detection device of spring stiffness coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679256.9U CN206818406U (en) | 2017-06-13 | 2017-06-13 | The device of batch detection device of spring stiffness coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818406U true CN206818406U (en) | 2017-12-29 |
Family
ID=60759733
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720679256.9U Expired - Fee Related CN206818406U (en) | 2017-06-13 | 2017-06-13 | The device of batch detection device of spring stiffness coefficient |
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| CN (1) | CN206818406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406074A (en) * | 2018-11-15 | 2019-03-01 | 中车石家庄车辆有限公司 | Separator for spring elastic measuring head |
-
2017
- 2017-06-13 CN CN201720679256.9U patent/CN206818406U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406074A (en) * | 2018-11-15 | 2019-03-01 | 中车石家庄车辆有限公司 | Separator for spring elastic measuring head |
| CN109406074B (en) * | 2018-11-15 | 2020-05-19 | 中车石家庄车辆有限公司 | Spring elasticity measuring method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20180613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |