CN104019972B - The measurement apparatus of leaf spring nonlinear characteristic - Google Patents
The measurement apparatus of leaf spring nonlinear characteristic Download PDFInfo
- Publication number
- CN104019972B CN104019972B CN201410249730.5A CN201410249730A CN104019972B CN 104019972 B CN104019972 B CN 104019972B CN 201410249730 A CN201410249730 A CN 201410249730A CN 104019972 B CN104019972 B CN 104019972B
- Authority
- CN
- China
- Prior art keywords
- leaf spring
- seat
- mounting seat
- drive mechanism
- spring mounting
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Springs (AREA)
Abstract
The measurement apparatus of a kind of leaf spring nonlinear characteristic, belongs to elasticity of plate spring detection technique field.Including placing the leaf spring mounting seat of leaf spring and for leaf spring mounting seat is applied thrust so that the force application apparatus that is deformed of leaf spring and sensor installation seat, described force application apparatus includes guiding mechanism and drive mechanism, sensor installation seat and drive mechanism are supported seat and are connected by guiding mechanism, leaf spring mounting seat is placed in sensor installation seat and drive mechanism supports on the guiding mechanism between seat, move along guiding mechanism, drive mechanism contacts with leaf spring mounting seat, leaf spring mounting seat is driven to move along guiding mechanism, with touch sensor, sensor is connected with external display to show the size of leaf spring stress.The present invention can detect leaf spring desirable pressure size under certain deflection, can measure again this leaf spring deflection under certain power, in order to study the non-linear behaviour of leaf spring, provides reference data for the manufacturing process of spring or the improvement of structure.
Description
Technical field
The invention belongs to elasticity of plate spring detection technique field, particularly relate to the measurement apparatus of a kind of leaf spring nonlinear characteristic, be used for indirectly determining the non-linear relation between certain leaf spring institute's stress and deformation.
Background technology
Leaf spring is arranged on automobile as a kind of buffer shock-absorbing element, needs to its model specification that by rule of thumb or experiment is chosen.At present, great majority measure the device of shock-absorbing spring mainly for cylindrical spring, although automaticity is higher, but cost is high, take up space relatively big, safeguard inconvenience.And typically leaf spring measurement apparatus is only used for measuring leaf spring institute stress size or inspection leaf spring is the most qualified.
Summary of the invention
Technical problem for above-mentioned existence, the present invention provides the measurement apparatus of a kind of leaf spring nonlinear characteristic, its simple in construction, leaf spring desirable pressure size under certain deflection can be detected, this leaf spring deflection under certain power can be measured again, in order to the non-linear behaviour of leaf spring is more easily studied.
It is an object of the invention to be achieved through the following technical solutions:
The present invention includes the leaf spring mounting seat placing leaf spring and for leaf spring mounting seat is applied thrust so that the force application apparatus that is deformed of leaf spring and sensor installation seat, described force application apparatus includes guiding mechanism and drive mechanism, sensor installation seat and drive mechanism are supported seat and are connected by guiding mechanism, leaf spring mounting seat is placed in sensor installation seat and drive mechanism supports on the guiding mechanism between seat, move along guiding mechanism, drive mechanism contacts with leaf spring mounting seat, leaf spring mounting seat is driven to move along guiding mechanism, with touch sensor, sensor is connected with external display to show the size of leaf spring stress.
Further, described leaf spring mounting seat is the concave groove type structure that both sides are not waited, two trough rims of groove all have gathering sill, when leaf spring is installed, the length adjustment screw according to leaf spring position in gathering sill, the width of gathering sill is slightly larger than screw diameter, and leaf spring mounting seat bottom land is respectively arranged at two ends with the hole, location with guide post matched in clearance.
Further, the bottom surface of described leaf spring mounting seat is provided with a backing plate, contacts with drive mechanism.
Further, described backing plate is vulcanie pad or steel plate.
Further, described guiding mechanism includes two symmetrically arranged guide posts, and guide post two ends are threaded, and is fixed on drive mechanism with nut respectively and supports on seat and sensor installation seat, and mid portion is with scale, in order to measure the deformation size of leaf spring.
Further, described drive mechanism includes supporting seat, ball screw assembly, and handle, and leading screw one end connects handle, and the other end is with circular arc chamfering, contacting with the backing plate of leaf spring mounting seat with one end of circular arc chamfering, on leading screw, the nut of suit is fixed on support seat.
Further, the hole, two location of described sensor installation seat and drive mechanism support seat is equal with the location pitch of holes of leaf spring mounting seat.
Further, described support seat and sensor installation seat are provided with two rubber feet separately below.
Further, described sensor is pressure transducer.
The invention have the benefit that
1. the present invention can detect leaf spring desirable pressure size under certain deflection, can measure again this leaf spring deflection under certain power, in order to more easily study the non-linear behaviour of leaf spring.
2. measure leaf spring institute's stress and deformation thereof by the present invention, in order to provide reference data to the manufacturing process of spring or the improvement of structure, the most also provide correction data for laboratory and numerical simulation.
3. present configuration is simply not related to technology or the experience of operator, takes up space little, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the left view structural representation of Fig. 1.
Fig. 3 is the leaf spring force-displacement curve figure using the present invention to measure.
In figure: 1. sensor installation seat, 2. guide post, 3. leaf spring mounting seat, 4. support seat, 5. ball wire bar pair, 6. backing plate, 7. nut, 8. screw, 9. gathering sill, 10. leaf spring, 11. sensors, 12. legs, 13. handles.
Detailed description of the invention
Below by embodiment and accompanying drawing, the invention will be further described.
Embodiment: such as Fig. 1, shown in Fig. 2, the present invention includes the leaf spring mounting seat 3 placing leaf spring 10 and for leaf spring mounting seat 3 is applied thrust so that the force application apparatus that is deformed of leaf spring 10 and sensor installation seat 1, described force application apparatus includes guiding mechanism and drive mechanism, sensor installation seat 1 and drive mechanism are supported seat 4 and are connected by guiding mechanism, leaf spring mounting seat 3 is placed in sensor installation seat 1 and drive mechanism supports on the guiding mechanism between seat 4, move along guiding mechanism, drive mechanism contacts with leaf spring mounting seat 3, leaf spring mounting seat 3 is driven to move along guiding mechanism, with touch sensor 11.Described sensor 11 is pressure transducer, is connected with external display, to show the size of leaf spring 10 stress.Wherein display can be energy transmission device or digital wash, completes to show pick-up operation.
As in figure 2 it is shown, described leaf spring mounting seat 3 is the concave groove type structure that both sides are not waited, the narrow lower hem width in top, that is: the side width placing leaf spring is more than relative edge's width, plays support, the effect of placement leaf spring, and top is narrow, on the one hand it is easily installed, another convenient saving material.Two trough rims of groove all have gathering sill 9, when leaf spring 10 is installed, the length adjustment screw 8 according to leaf spring 10 position in gathering sill 9, the width of gathering sill 9 is slightly larger than the diameter of screw 8, and the groove bottom land of leaf spring mounting seat 3 is respectively arranged at two ends with and the hole, location of guide post 2 matched in clearance.
The bottom surface of described leaf spring mounting seat 3 is provided with a backing plate 6, and described backing plate 6 is vulcanie pad or steel plate, contacts with drive mechanism；The effect of backing plate 6 is: prevent metal and metal direct friction, on the one hand prevents leaf spring mounting seat 3 from wearing and tearing, and on the other hand abates the noise.Described drive mechanism includes supporting seat 4, ball screw assembly, 5 and handle 13, leading screw one end connects handle 13, the other end, with circular arc chamfering, contacts with the backing plate 6 of leaf spring mounting seat 3 with one end of circular arc chamfering, and on leading screw, the nut of suit is fixed on support seat 4.
Described guiding mechanism includes two symmetrically arranged guide posts 2, and guide post 2 two ends are threaded, and is fixed on drive mechanism with nut 7 respectively and supports on seat 4 and sensor installation seat 1, and mid portion, with scale, reads the deformation size of leaf spring 10.
The hole, two location that described sensor installation seat 1 and drive mechanism support seat 4 is equal with the location pitch of holes of leaf spring mounting seat 3.
Described support seat 4 and sensor installation seat 1 are provided with two rubber feet 12 separately below.
The work process of the present invention:
Measured the nonlinear characteristic of leaf spring by the present invention, mainly measure stress and the deformation of leaf spring.In order to improve test efficiency, by leaf spring mounting seat 3 with being manually moving to position near sensor 11, then rotary handle 13, leading screw is made to withstand on the backing plate 6 on leaf spring mounting seat 3 bottom land limit, at this moment, trimming handle 13, when the intelligent transfer instrument display reading being connected with sensor when, records the reading that leaf spring mounting seat 3 groove bottom coincides with guide post 2, then according to test requirements document increases the size of power and records the scale value of change on guide post 2, to read the size of leaf spring 10 deformation；Power displacement curve can be drawn, as shown in Figure 3 by test data.
Claims (6)
1. the measurement apparatus of a leaf spring nonlinear characteristic, it is characterised in that: include the leaf spring placing leaf spring
Mounting seat and for leaf spring mounting seat is applied thrust so that the force application apparatus that is deformed of leaf spring and sensing
Device mounting seat, described force application apparatus includes guiding mechanism and drive mechanism, sensor installation seat and drive mechanism
Support seat connect by guiding mechanism, leaf spring mounting seat be placed in sensor installation seat and drive mechanism support seat it
Between guiding mechanism on, move along guiding mechanism, drive mechanism contacts with leaf spring mounting seat, drive leaf spring
Mounting seat moves along guiding mechanism, and with touch sensor, sensor is connected with external display with display panel
The size of spring stress；Described leaf spring mounting seat is the concave groove type structure that both sides are not waited, at two trough rims of groove
On all have a gathering sill, when installing leaf spring, according to the length adjustment screw of the leaf spring position in gathering sill,
The width of gathering sill is slightly larger than screw diameter, and leaf spring mounting seat bottom land is respectively arranged at two ends with joins with guide post gap
The hole, location closed；The bottom surface of described leaf spring mounting seat is provided with a backing plate, contacts with drive mechanism；Institute
Stating guiding mechanism and include two symmetrically arranged guide posts, guide post two ends are threaded, and fix with nut respectively
Supporting on seat and sensor installation seat in drive mechanism, mid portion is with scale, in order to measure the change of leaf spring
Shape size.
The measurement apparatus of leaf spring nonlinear characteristic the most according to claim 1, it is characterised in that: described pad
Plate is vulcanie pad or steel plate.
The measurement apparatus of leaf spring nonlinear characteristic the most according to claim 1, it is characterised in that drive described in:
Motivation structure includes supporting seat, ball screw assembly, and handle, and leading screw one end connects handle, and the other end is with circle
Arc chamfering, contacts with the backing plate of leaf spring mounting seat with one end of circular arc chamfering, the nut of suit on leading screw
It is fixed on support seat.
The measurement apparatus of leaf spring nonlinear characteristic the most according to claim 1, it is characterised in that: described biography
The hole, two location that sensor mounting seat and drive mechanism support seat is equal with the location pitch of holes of leaf spring mounting seat.
The measurement apparatus of leaf spring nonlinear characteristic the most according to claim 4, it is characterised in that: described
Support seat and sensor installation seat are provided with two rubber feet separately below.
The measurement apparatus of leaf spring nonlinear characteristic the most according to claim 4, it is characterised in that: described biography
Sensor is pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249730.5A CN104019972B (en) | 2014-06-07 | 2014-06-07 | The measurement apparatus of leaf spring nonlinear characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249730.5A CN104019972B (en) | 2014-06-07 | 2014-06-07 | The measurement apparatus of leaf spring nonlinear characteristic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104019972A CN104019972A (en) | 2014-09-03 |
| CN104019972B true CN104019972B (en) | 2016-08-10 |
Family
ID=51436852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410249730.5A Expired - Fee Related CN104019972B (en) | 2014-06-07 | 2014-06-07 | The measurement apparatus of leaf spring nonlinear characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104019972B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738194B (en) * | 2014-12-10 | 2018-11-16 | 中国飞机强度研究所 | A kind of support position adjuster for standard bend test |
| CN104458092B (en) * | 2014-12-11 | 2017-06-13 | 中国航空工业标准件制造有限责任公司 | Wave washer spring force detection means and its detection method |
| CN106092768B (en) * | 2016-08-22 | 2018-11-02 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring composite force bench test mechanism |
| CN107063535B (en) * | 2016-12-12 | 2023-01-20 | 贵州航天林泉电机有限公司 | Leaf spring pressure detection device and detection method thereof |
| CN109238680B (en) * | 2018-10-15 | 2020-09-22 | 项孝泓 | Detection apparatus for car leaf spring |
| CN115068178A (en) * | 2022-06-29 | 2022-09-20 | 四川大学华西医院 | Intervertebral fusion device capable of preventing internal implant from sinking and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203894046U (en) * | 2014-06-07 | 2014-10-22 | 河北联合大学 | Device for measuring non-linear characteristics of plate spring |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0072646A3 (en) * | 1981-08-18 | 1984-11-28 | LUCAS INDUSTRIES public limited company | Load monitoring arrangement for a vehicle axle and vehicle fitted with same |
| AT382021B (en) * | 1982-12-17 | 1986-12-29 | Ver Edelstahlwerke Ag | TESTING MACHINE FOR LEAF SPRINGS, SPRING LEAVES AND THE LIKE |
-
2014
- 2014-06-07 CN CN201410249730.5A patent/CN104019972B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203894046U (en) * | 2014-06-07 | 2014-10-22 | 河北联合大学 | Device for measuring non-linear characteristics of plate spring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104019972A (en) | 2014-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104019972B (en) | The measurement apparatus of leaf spring nonlinear characteristic | |
| CN203894046U (en) | Device for measuring non-linear characteristics of plate spring | |
| CN202676329U (en) | Pressure sensor | |
| CN104006939B (en) | The measurement apparatus of spring nonlinear characteristic | |
| CN103954262A (en) | Device for measuring radial deformation of cylindrical test piece | |
| CN203758859U (en) | Torsion testing machine for torsional spring | |
| CN106248279A (en) | Force of rolling friction and coefficient of rolling friction determinator | |
| CN205404683U (en) | Graphite membrane four point probe measurement apparatus of resistance | |
| CN102998254A (en) | Micro friction force measuring device | |
| CN205228376U (en) | Resistance strain gauge pastes device in location | |
| CN109000556A (en) | A kind of detection components and screw detection device | |
| CN105043907A (en) | Rubber compression test machine | |
| CN208765764U (en) | A kind of test specimen inner wall measuring device | |
| CN103616096B (en) | Subsoiler stress testing device | |
| CN203894014U (en) | Device for measuring non-linear characteristics of spring | |
| CN203241180U (en) | Back-arch type pressure gauge | |
| CN206593628U (en) | A kind of parallelism detecting device | |
| CN204964089U (en) | Measuring device | |
| CN206160990U (en) | Measure device of rock sample hoop strain | |
| CN202853980U (en) | Detector for welding quality of solar welding strips | |
| CN210347323U (en) | Rubber pipeline tensile strength detection device | |
| CN201795737U (en) | Height gauge for components and parts installation | |
| CN203231939U (en) | Bending resistance and stretch resistance detection device for steel of reinforced concrete | |
| CN208296746U (en) | Ring stiffness internal diameter measuring instrument | |
| CN102368034A (en) | Length measuring apparatus for blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 063000 Hebei province Tangshan City Xinhua West Road No. 46 Applicant after: North China Polytechnics Address before: 063000 Hebei province Tangshan City Xinhua West Road No. 46 Applicant before: Hebei United University |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20180607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |