CN207439656U - A kind of device of spring stiffness coefficient measuring device - Google Patents
A kind of device of spring stiffness coefficient measuring device Download PDFInfo
- Publication number
- CN207439656U CN207439656U CN201721366053.0U CN201721366053U CN207439656U CN 207439656 U CN207439656 U CN 207439656U CN 201721366053 U CN201721366053 U CN 201721366053U CN 207439656 U CN207439656 U CN 207439656U
- Authority
- CN
- China
- Prior art keywords
- fixed
- pressure head
- displacement detector
- plate
- hole
- 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)
Abstract
A kind of device of spring stiffness coefficient measuring device,Including pedestal,Vertically arranged fixed plate is fixed on the pedestal,The dead plate upper end is fixed with driving motor,The output shaft of the driving motor is vertically arranged,Driving gear is fixed in the output shaft upper end of the driving motor,The driving gear links with driven gear,The driven gear is moved with worm screw coaxial parallel-connection,Pressure head is equipped on the downside of the driving motor,The pressure head is fixed by connecting rod and rack,The worm screw coordinates with the rack,The connecting rod is vertically arranged,And pressure head is fixed on the connecting rod lower end,Pressure sensor is fixed on the pressure head,The pressure head lower face, which is formed with, extends downwardly pressure head guide rod,Supporting table is equipped on the downside of the pressure head,The pressure head guide rod is passed down through supporting table,Displacement detector is equipped on the downside of the supporting table,The pressure head lower end of the guide rod is contacted with the touch part of displacement detector.The utility model is simple in structure, and testing result is more accurate.
Description
Technical field
The utility model is related to a kind of for measuring the device of device of spring stiffness coefficient.
Background technology
Existing device of spring stiffness coefficient measuring device, motor output shaft are coaxially disposed with spring, motor output shaft
Connection between pressure head is sufficiently complex, while slide and displacement detector (amesdial) are susceptible to inclined feelings when setting
Condition so that testing result is not allowed.
The content of the invention
The purpose of this utility model is to provide a kind of simple in structure, and testing result more accurately survey by device of spring stiffness coefficient
Measure device.
To achieve the above object, the utility model adopts the following technical solution：
A kind of device of spring stiffness coefficient measuring device including pedestal, is fixed with vertically arranged fixed plate, institute on the pedestal
It states dead plate upper end and is fixed with driving motor, the output shaft of the driving motor is vertically arranged, the output shaft of the driving motor
Driving gear is fixed in upper end, and the driving gear links with driven gear, and the driven gear is moved with worm screw coaxial parallel-connection, described
Pressure head is equipped on the downside of driving motor, the pressure head is fixed by connecting rod and rack, and the worm screw coordinates with the rack, described
Connecting rod is vertically arranged, and pressure head is fixed on the connecting rod lower end, and pressure sensor, the pressure head are fixed on the pressure head
Lower face, which is formed with, extends downwardly pressure head guide rod, and supporting table is equipped on the downside of the pressure head, and the pressure head guide rod is passed down through support
Platform, the supporting table downside are equipped with displacement detector, and the pressure head lower end of the guide rod is contacted with the touch part of displacement detector, described
Supporting table is formed with perforative by hole up and down, and the pressure head guide rod is slidably fitted in described by hole.
Carry out the utility model measuring device in use, spring is positioned between supporting table and pressure head, and make driving
The output shaft of motor rotates so that rack drives pressure head moves up, so that spring can be set on pressure head guide rod, passes through drive
The output shaft of dynamic motor rotates, and worm screw to be driven to rotate, so that rack drives pressure head moves down, rack drives pressure head is to moving down
When moving so that pressure head is contacted with compression spring, pressure sensor carries out the real-time monitoring of pressure, to measure the stress size of spring,
It is contacted by pressure head guide rod with displacement detector (amesdial isoline survey tool), to measure the shift length of pressure head guide rod
(i.e. the deformation quantity of spring), to carry out the measurement of device of spring stiffness coefficient by the stress size and deformation quantity of spring.This practicality is new
The driving motor of type is linked by least two gears and worm screw, is fixed on by the cooperation of worm screw and rack with realizing under rack
Side pressure head moves up and down, structure very simple.
Preferably, the rack both ends are formed with perforative pilot hole up and down, being combined with rack in the pilot hole leads
To bar, the rack guide rod upper and lower side is respectively fixed with upper fixed block and lower fixed block, the upper fixing block and lower fixation
Block is fixed with fixed plate, and the fixed plate side is equipped with backer's plate, the upper fixing block and lower fixed block in bar shaped, it is described on
The side of fixed block and lower fixed block is contacted with backer's plate inwall of vertical.Leading when rack guide rod moves up and down for rack
To by setting backer's plate, so that upper fixed block and lower fixed block can be parallel with pedestal, so that rack guide rod is vertical
Degree is guaranteed, so that the measurement of device of spring stiffness coefficient is more accurate.
Preferably, being fixed with ring shaped retainer member in the supporting table, pressing plate is equipped on the upside of the ring shaped retainer member outer rim,
The left and right sides of the pressing plate is equipped with the first mounting hole, and the first screw, the supporting table shape are combined in first mounting hole
Several first threaded holes of the first screw fits of Cheng Youyu, first threaded hole are arranged in array in supporting table, described logical
Via top extends to radial outside to be formed with the second mounting hole, and the ring shaped retainer member lower end is fixed with sealing plate, the envelope
Plate lower face is formed with annular protrusion, and the annular protrusion has upper and lower perforative through hole, and the through hole extends upward through institute
Sealing plate is stated, the annular protrusion is located in second mounting hole.Different-diameter is coordinated by the ring shaped retainer member of different inner diameters
Spring, bend to avoid spring, so that the measurement of device of spring stiffness coefficient is more accurate.It is solid by annular protrusion and second
The cooperation in hole is determined to realize the left and right /V of ring shaped retainer member, and by the fixation of pressing plate and supporting table, ring shaped retainer member is limited
System is between supporting table and sealing plate, so as to fulfill the /V up and down of ring shaped retainer member.
Preferably, be fixed with bearing block in the fixed plate, upper bearing (metal) is fixed in the bearing block, on the worm screw
End is fixed with upper bearing (metal) inner ring.
Preferably, being fixed with lower bearing on the lower fixed block, the lower end of the worm screw is consolidated with the lower bearing inner ring
It is fixed.
Preferably, the displacement detector has sleeve, the displacement detector is consolidated by displacement detector fixed block
Due in fixed plate, be formed on the displacement detector fixed block front end face up and down perforative recessing groove, the displacement detecting
Displacement detector fixed plate is equipped on front side of device fixed block, the displacement detector fixed plate is fixed with displacement detector fixed block,
So that the sleeve of displacement detector is limited in recessing groove, the displacement detector fixed block and displacement detector fixed plate side
Face is contacted with backer's plate.By the cooperation of backer's plate and sensor fixed block and sensor fixation plate, to ensure displacement detecting
The verticality of device sleeve, so that the measurement of spring angle coefficient is more accurate.Pass through sensor fixation plate and sensor fixed block
Cooperation, can realize the fixation of the displacement detector of the big small sleeve of different model different-diameter.
The utility model have the advantages that it is simple in structure, testing result can be made more accurate.
Description of the drawings
Fig. 1 is a kind of structure diagram of the utility model；
Fig. 2 is the ring shaped retainer member of the utility model and a kind of structure diagram of supporting table cooperation；
Fig. 3 is the displacement detector fixed block of the utility model and a kind of structure diagram of displacement detector fixed plate.
Specific embodiment
The utility model is further described below according to the drawings and specific embodiments.
With reference to Fig. 1~Fig. 3, a kind of device of spring stiffness coefficient measuring device including pedestal 1, is fixed with vertically arranged on pedestal 1
Fixed plate 2,2 upper end of fixed plate is fixed with driving motor 3, and the output shaft 31 of driving motor 3 is vertically arranged, driving motor 3
Driving gear 32 is fixed in 31 upper end of output shaft, and driving gear 32 links with driven gear 33, and driven gear 33 and worm screw 34 are coaxial
Linkage, 3 downside of driving motor are equipped with pressure head 4, and pressure head 4 is fixed by connecting rod 41 and rack 42, and worm screw 34 is matched somebody with somebody with rack 42
It closes, connecting rod 41 is vertically arranged, and pressure head 4 is fixed on 41 lower end of connecting rod, and pressure sensor 43, pressure head 4 are fixed on pressure head 4
Lower face, which is formed with, extends downwardly pressure head guide rod 5, and 4 downside of pressure head is equipped with supporting table 6, and pressure head guide rod 5 is passed down through supporting table 6,
6 downside of supporting table is equipped with displacement detector 7, and 5 lower end of pressure head guide rod is contacted with the touch part 71 of displacement detector 7,6 shape of supporting table
Perforative by hole 67 up and down into having, pressure head guide rod 5 is slidably fitted in by hole.
42 both ends of rack are formed with perforative pilot hole up and down, and rack guide rod 44 is combined in pilot hole, and rack is oriented to
44 upper and lower side of bar is respectively fixed with upper fixed block 45 and lower fixed block 46, and upper fixed block 45 and lower fixed block 46 are and fixed plate
2 fix, and 2 side of fixed plate is equipped with backer's plate 8, and upper fixed block 45 and lower fixed block 46 are in bar shaped, upper fixed block 45 and lower fixation
The side of block 46 is contacted with 8 inwall of vertical of backer's plate.Bearing block 21 is fixed in fixed plate 2, axis is fixed in bearing block 21
It holds, 34 upper end of worm screw is fixed with upper bearing (metal) inner ring, is fixed with lower bearing on lower fixed block 46, in the lower end and lower bearing of worm screw 34
Circle is fixed.
Ring shaped retainer member 61 is fixed in supporting table 6, pressing plate 62, a left side for pressing plate 62 are equipped on the upside of 61 outer rim of ring shaped retainer member
Right both sides are equipped with the first mounting hole, are combined with the first screw 63 in the first mounting hole, supporting table 6 be formed with under the first screw 63
Matched several first threaded holes are held, the first threaded hole is arranged in array in supporting table 6, by hole top to radial outside
Extension is to be formed with the second mounting hole, and 61 lower end of ring shaped retainer member is fixed with sealing plate 64, and 64 lower face of sealing plate is formed with convex annular
65 are played, annular protrusion 65 has upper and lower perforative through hole 66, and through hole extends upward through sealing plate 64, and annular protrusion 65 is located at second
In mounting hole, the diameter of through hole is more than the diameter by hole.
Displacement detector 7 has sleeve 72, and displacement detector 7 is fixed on fixed plate 2 by displacement detector fixed block 73
On, perforative recessing groove up and down is formed on 73 front end face of displacement detector fixed block, 73 front side of displacement detector fixed block is set
There is displacement detector fixed plate 74, displacement detector fixed plate 74 is fixed with displacement detector fixed block 73, so that displacement detecting
The sleeve 72 of device 7 is limited in recessing groove, and displacement detector fixed block 73 and 74 side of displacement detector fixed plate are with leaning on
Mountain plate contact.
Carry out the utility model measuring device in use, spring is positioned between supporting table and pressure head, and make driving
The output shaft of motor rotates so that rack drives pressure head moves up, so that spring can be set on pressure head guide rod, passes through drive
The output shaft of dynamic motor rotates, and worm screw to be driven to rotate, so that rack drives pressure head moves down, rack drives pressure head is to moving down
When moving so that pressure head is contacted with compression spring, pressure sensor carries out the real-time monitoring of pressure, to measure the stress size of spring,
It is contacted by pressure head guide rod with displacement detector (amesdial isoline survey tool), to measure the shift length of pressure head guide rod
(i.e. the deformation quantity of spring), to carry out the measurement of device of spring stiffness coefficient by the stress size and deformation quantity of spring.This practicality is new
Type detection device also has the advantages of simple in structure, testing result is more accurate.
Claims (6)
1. a kind of device of spring stiffness coefficient measuring device, it is characterised in that including pedestal, be fixed on the pedestal vertically arranged
Fixed plate, the dead plate upper end are fixed with driving motor, and the output shaft of the driving motor is vertically arranged, the driving motor
Output shaft upper end fix driving gear, the driving gear and driven gear link, and the driven gear and worm screw are coaxially simultaneously
Linkage, the driving motor downside are equipped with pressure head, and the pressure head is fixed by connecting rod and rack, the worm screw and the rack
Cooperation, the connecting rod is vertically arranged, and pressure head is fixed on the connecting rod lower end, and pressure sensing is fixed on the pressure head
Device, the pressure head lower face, which is formed with, extends downwardly pressure head guide rod, is equipped with supporting table on the downside of the pressure head, the pressure head guide rod to
Under through supporting table, displacement detector, the shake-up of the pressure head lower end of the guide rod and displacement detector are equipped on the downside of the supporting table
Portion contacts, and the supporting table is formed with perforative by hole up and down, and the pressure head guide rod is slidably fitted in described by hole.
2. a kind of device of spring stiffness coefficient measuring device according to claim 1, it is characterised in that the rack both ends are formed
Have perforative pilot hole up and down, be combined with rack guide rod in the pilot hole, the rack guide rod upper and lower side respectively with
Upper fixed block and lower fixed block are fixed, and the upper fixing block and lower fixed block are fixed with fixed plate, and the fixed plate side is equipped with
In bar shaped, the side of the upper fixing block and lower fixed block is erected with backer's plate for backer's plate, the upper fixing block and lower fixed block
To end contact.
3. a kind of device of spring stiffness coefficient measuring device according to claim 1, it is characterised in that fixed in the supporting table
There is ring shaped retainer member, pressing plate is equipped on the upside of the ring shaped retainer member outer rim, the left and right sides of the pressing plate is equipped with the first mounting hole,
The first screw is combined in first mounting hole, the supporting table is formed with several first screw threads with the first screw fit
Hole, first threaded hole are arranged in array in supporting table, described to extend to be formed with the to radial outside by hole top
Two mounting holes, the ring shaped retainer member lower end are fixed with sealing plate, and the sealing plate lower face is formed with annular protrusion, the convex annular
Rising has upper and lower perforative through hole, and the through hole extends upward through the sealing plate, and it is solid that the annular protrusion is located at described second
Determine in hole.
4. a kind of device of spring stiffness coefficient measuring device according to claim 1, it is characterised in that fixed in the fixed plate
There is bearing block, upper bearing (metal) is fixed in the bearing block, the worm screw upper end is fixed with upper bearing (metal) inner ring.
5. a kind of device of spring stiffness coefficient measuring device according to claim 2, it is characterised in that solid on the lower fixed block
Surely there is lower bearing, the lower end of the worm screw is fixed with the lower bearing inner ring.
A kind of 6. device of spring stiffness coefficient measuring device according to claim 2, it is characterised in that the displacement detecting utensil
There is sleeve, the displacement detector is fixed on by displacement detector fixed block in fixed plate, the displacement detector fixed block
Perforative recessing groove up and down is formed on front end face, displacement detector fixed plate is equipped on front side of the displacement detector fixed block,
The displacement detector fixed plate is fixed with displacement detector fixed block, so that the sleeve of displacement detector is limited in recessing groove
Interior, the displacement detector fixed block and displacement detector fixed plate side are contacted with backer's plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366053.0U CN207439656U (en) | 2017-10-23 | 2017-10-23 | A kind of device of spring stiffness coefficient measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366053.0U CN207439656U (en) | 2017-10-23 | 2017-10-23 | A kind of device of spring stiffness coefficient measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439656U true CN207439656U (en) | 2018-06-01 |
Family
ID=62293969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721366053.0U Expired - Fee Related CN207439656U (en) | 2017-10-23 | 2017-10-23 | A kind of device of spring stiffness coefficient measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439656U (en) |
-
2017
- 2017-10-23 CN CN201721366053.0U patent/CN207439656U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203464861U (en) | Hole position detecting device | |
| CN202421096U (en) | Automatic detector for dropping point of lubricating grease | |
| CN101732039B (en) | Fixing device for radial pulse wave detection sensor | |
| CN103776403A (en) | Automatic belt pulley bounce detection device | |
| CN105953695A (en) | Extension height testing fixture | |
| CN105547226B (en) | It is a kind of apart from testing agency | |
| CN208704709U (en) | Ring stiffness inner diameter measuring device | |
| CN201229161Y (en) | Detection device of plane to squareness of bolt hole | |
| CN207439656U (en) | A kind of device of spring stiffness coefficient measuring device | |
| CN201983765U (en) | Aperture detection device | |
| CN206974401U (en) | A kind of more size detecting devices of windscreen wiper power driving module | |
| CN105865306A (en) | High-precision conical hole test tool | |
| CN203572358U (en) | Multifunctional comprehensive detecting tool | |
| CN201138195Y (en) | Measuring device of tobacco shred thickness | |
| CN107643355A (en) | The pressure bottle component of automatic sampler | |
| CN203837680U (en) | Depth measuring device | |
| CN208075819U (en) | Aluminum plastic film seal measurer for thickness | |
| CN208187322U (en) | A kind of drain mast production threaded hole base cone face circularity verifying attachment | |
| CN105783675A (en) | Instrument pointer shaft detector | |
| CN205669978U (en) | A kind of high accuracy taper hole cubing | |
| CN202372127U (en) | Rapid detection instrument for thread pitch diameter run-out of shaft part | |
| CN205228406U (en) | Tooth hub three -flute position degree detection device | |
| CN202284938U (en) | Automatic thickness tester | |
| CN208333867U (en) | A kind of detection check device of bearing jerk value | |
| CN204214655U (en) | Rack bush friction force pick-up unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |