CN204214579U - A kind of clamping force measuring device - Google Patents
A kind of clamping force measuring device Download PDFInfo
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- CN204214579U CN204214579U CN201420706035.2U CN201420706035U CN204214579U CN 204214579 U CN204214579 U CN 204214579U CN 201420706035 U CN201420706035 U CN 201420706035U CN 204214579 U CN204214579 U CN 204214579U
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- force snesor
- linear displacement
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- force
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Abstract
The utility model discloses a kind of clamping force measuring device, comprise the probe that two vertically can be inserted folder platform inside; One force snesor, horizontal direction is placed, and one end is connected with a probe vertical, and tie point is one end that this probe does not insert in folder platform; One linear displacement device, pop one's head in the other end of force snesor and another root respectively and do not insert the one end pressed from both sides in platform and be connected, make two flexible things of popping one's head in folder platform close, then contact, until the distance between outward flange equals the diameter clamping rod-shaped objects; The output signal of power sensing signal processor to force snesor processes and shows.The utility model does not need close alignment, and insertion depth is on measurement not impact; To demarcate comparatively easy simultaneously, and precision improves greatly, and its distortion also can not affect measuring accuracy; In addition, the wearing and tearing of folder platform and probe can not be caused during measurement; Movement finally by linear displacement device realizes, and can use the folder platform of different size.
Description
Technical field
The utility model belongs to elastic force field of measuring technique, more specifically says, relates to a kind of clamping force measuring device.
Background technology
As shown in Figure 1, in order to fixing rod-shaped objects 1, rod-shaped objects, as the folder platform 2 of flexure strip, spring 201 etc., is fixed by clamping mode by the normal flexible thing of inner band that adopts.In some embody rule occasion, need a large amount of holding force measuring folder platform 2 inner elastomeric thing 201, to guarantee after rod-shaped objects 1 inserts, can fix because of clamping force, not landing, and rod-shaped objects 1 can not be damaged because holding force is excessive.
For measuring elastic force and the holding force of folder platform inner elastomeric thing, existing metering system is by making the different rod-shaped objects of a Gent and measuring stick, and this prod is identical by the rod-shaped objects diameter clamped with practical application.In measuring stick, elasticity thing holds out against position installing force detecting sensor (force detection sensor is by pasting foil gauge, dynamometry after demarcating according to foil gauge deformation).When measuring, manually the measuring stick being provided with force detection sensor is inserted in folder platform, when guaranteeing the fixing i.e. elasticity thing pressure detecting sensor of insertion depth, recording the holding force reading measured according to force detection sensor, thus completing the measurement carrying out holding force.
, there are some shortcomings in the above-mentioned metering system of prior art:
1, measuring accuracy is poor
A), measurement result affects obviously by measuring stick insertion depth, under manual operation, can not ensure force detection sensor and elasticity thing close alignment;
B), force detection sensor be customization force snesor, because installing space is relatively little, the demarcation of force detection sensor has difficulties, and causes the precision of force detection sensor own lower, is still difficult to reach 1% precision after demarcation;
C), because of force detection sensor be directly installed in measuring stick, when stress deformation, carry out dynamometry by the diameter change of rod, and cannot Reality simulation situation after the change of the diameter of rod, therefore there is intrinsic gauging deviation.
2), the elasticity thing that measured object presss from both sides platform inside can be damaged when measuring, because of the rod-shaped objects and measuring stick being provided with force detection sensor is consistent with real rod-shaped objects diameter, therefore press from both sides in insertion in the process in platform, can wear and tear and press from both sides the elasticity thing of platform inside.
3), need often to safeguard, serviceable life is short: the rod-shaped objects and the measuring stick that are provided with force detection sensor can produce distortion equivalent damage because of friction, and Long-Time Service needs to safeguard in time.
4), very flexible: the structure of the rod-shaped objects and measuring stick that are provided with force detection sensor is fixed, and cannot adapt to the folder platform of different size, and the folder platform of different size needs different measuring sticks.
Utility model content
The purpose of this utility model is, for the deficiency of existing holding force metering system, to provide a kind of clamping force measuring device, to improve measuring accuracy and dirigibility, can not cause the wearing and tearing of elasticity thing and the damage of device itself of folder platform inside simultaneously.
For realizing above object, the utility model clamping force measuring device, comprising: a power sensing signal processor, is characterized in that, also comprise:
Two vertically can be inserted the probe pressing from both sides platform inside;
One force snesor, horizontal direction is placed, and one end is connected with a probe vertical, and tie point is one end that this probe does not insert in folder platform;
One linear displacement device, pop one's head in the other end of force snesor and another root respectively and do not insert the one end pressed from both sides in platform and be connected, two horizontal directions of popping one's head in are separated from each other, and it is close to the flexible thing pressed from both sides in platform, then contact, last until the distance between two outward flanges inserting the parts of pressing from both sides in platforms of popping one's head in equals the diameter clamping rod-shaped objects, now, the elasticity thing holding force size be applied on probe equals the stressed size of force snesor;
Power sensing signal processor is connected with the output signal of force snesor, processes and show the output signal of force snesor.
The purpose of this utility model is achieved in that
The utility model clamping force measuring device, by vertically inserting two probes of folder platform inside, elasticity thing under the effect of linear displacement device in mutual horizontal separation, close folder platform also contacts, until the distance between the outward flange of two parts inserted in folder platforms of popping one's head in equals to clamp the diameter of rod-shaped objects, be connected to probe and the stressed size of the direct force snesor of linear displacement device like this to equal elasticity thing and be applied to holding force size on probe, thus holding force horizontal shift is measured to pressing from both sides platform outside.
Exceed elasticity thing because probe inserts folder platform inside, do not need close alignment, insertion depth is on measurement not impact; Force snesor is outside at folder platform simultaneously, and its installing space is comparatively large, has larger range of strain, and it is comparatively easy to demarcate, and precision improves greatly, and its distortion also can not affect measuring accuracy.In addition, be pop one's head in insert folder platform in advance during measurement, then near what contact, therefore can not cause the wearing and tearing (after measurement, linear displacement device is oppositely mobile) of folder platform and probe.Last the utility model is realized by the movement of linear displacement device, can use the folder platform of different size.
Accompanying drawing explanation
Fig. 1 is the structural representation that folder platform fixes rod-shaped objects;
Fig. 2 is a kind of embodiment front view of the utility model clamping force measuring device;
Fig. 3 is the probe of clamping force measuring device shown in Fig. 1 deflated state structural drawing;
Fig. 4 is the probe of clamping force measuring device shown in Fig. 1 open configuration structural drawing.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, so that those skilled in the art understands the utility model better.Requiring particular attention is that, in the following description, when perhaps the detailed description of known function and design can desalinate main contents of the present utility model, these are described in and will be left in the basket here.
In the present embodiment, as in Figure 2-4, the utility model clamping force measuring device comprise a power sensing signal processor 3, two can vertically insert folder platform 2 inside probe 401,402, force snesor 5, linear displacement device 6, in the present embodiment, also comprise a base 7.
When probe 401,402 is measured, the vertical folder platform 2 inserted as shown in Figure 1 is inner, and force snesor 5 horizontal direction is placed, one end A and a probe and right probe 402 is vertical is connected, and tie point is that this probe 402 does not insert the one end pressed from both sides in platform 2.
Linear displacement device 6 (left probe) 401 of popping one's head in the other end B of force snesor 5 and another root does not respectively insert the one end pressed from both sides in platform and is connected.In the present embodiment, another root probe 401 is fixed on the left end of base 7 by modes such as screws, linear displacement device 6 is positioned at the right-hand member of base 7, force snesor 5 is followed successively by the left of linear displacement device 6, probe (right probe) 402, like this, when measuring, when linear displacement device moves to the right along base 7, motive force sensor 5 moves right, probe 402 is driven to move right, thus make two i.e. left and right probes 401 of popping one's head in, 402 horizontal directions are separated from each other, and it is close to the elasticity thing 201 in folder platform 2, then contact, last until two probes 401, till distance between the outward flange of the part in 402 insertion folder platforms 2 equals the diameter of clamping rod-shaped objects 1, now, elasticity thing 201 is applied to probe 401, holding force size on 402 equals the stressed size of force snesor 5.
Power sensing signal processor 3 is connected with the output signal of force snesor 5, processes and show the output signal of force snesor.
In the present embodiment, probe and right probe 402 are fixed on slide block and left slider 902.In base right probe 402 moving range, install a slide rail and left slider 901, left slider 902 is fixed in left slide rail 901, and can move left and right.Right probe about 402 can be kept like this not produce displacement, make holding force effectively be passed to force snesor 5.
Left slider 902 is connected to force snesor 5 by anticlockwise stationary shaft 801, same, and then on the slide block being connected to linear displacement device 6 by dextral shaft stationary shaft 802 and right slide block 602.In the present embodiment, left rotation and right rotation stationary shaft 801,802 effectively can eliminate the power in non-rectilinear direction, effectively improves the measuring precision while reducing matching requirements.
In the present embodiment, linear displacement device 6 comprises right slide rail 601, right slide block 602 and manual rotation wheel 603.Turn manual rotation wheel 603, pulls right slide block 602 to move right, thus drives right rotation stationary shaft 802, force snesor 5, anticlockwise stationary shaft 801, left slider 902 to move to the right, and the right probe 402 of final drive moves right.Like this, the gearing very little by friction force and sliding-rail sliding, drive probe 402 to move to the right, and pop one's head in another root 401 is separated, and achieves the effect that two probe 401,402 horizontal directions are separated from each other.
In specific implementation process, if adopt all automatic measurement, the type of drive such as linear electric motors can be used to replace the manual rotation in the present embodiment to take turns 603.
In specific implementation process, also can adopt the structure that probe 402 and another root probe 401 open simultaneously and tighten simultaneously, its effect is equal to the present embodiment.
Probe 402 and another root pop one's head in 401 deflated states and open configuration as shown in Figure 3,4.Deflated state can insert in folder platform 2, and state when open configuration is measurement, its stretching degree is different, can measure the folder platform of different size and diameter.
As shown in Figure 2, when probe 401,402 opens in process in folder platform 2, the elastic force of spring thing 201 as spring, flexure strip and the effect of holding force F1 can be subject to, if ignore the friction force in transmission process, tensile force f 2 size then on force snesor 5 equals holding force F1, tensile force f 2 is processed by power sensing signal processor 3 and shows, can be recorded the size of holding force F1 by the utility model after being detected by force snesor 5.
In actual applications, the friction force introduced due to transmission process is very little, usually can ignore, and in the occasion that some accuracy requirements are high, can be compensated by the mode of demarcating.Concrete grammar is the holding force F1 two probes 401,402 being applied to known dimensions, and now the difference of holding force F1 and tensile force f 2 is friction force size.
In the present embodiment, the utility model clamping force measuring device also comprises a linear displacement transducer 10, can be the sensor such as resistance-type, raster pattern, object be measuring sonde (left side) 401 and probe (right side) 402 open distance.Fixedly open the occasion of distance at some, also can use during triggering and measure, as triggered photoelectric sensor or Hall element when being flared to 10mm.Because holding force F1 measures folder platform inner 2 holding forces, i.e. inner elastomeric thing, as the elastic force of spring, flexure strip, when opening distance and being different, spring thing amount of compression is different, holding force is not identical yet, so in the high occasion of accuracy requirement, answer the linear displacement transducer that service precision index is good.In actual applications, because probe (left side) 401 and (right side) 402 of popping one's head in can exist elastic deformation when stressed, mathematical model can be used equally to calculate in real time or look-up table carries out bit shift compensation and increases straight-line displacement precision further.
Although be described the illustrative embodiment of the utility model above; so that those skilled in the art understand the utility model; but should be clear; the utility model is not limited to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present utility model determined in appended claim; these changes are apparent, and all innovation and creation utilizing the utility model to conceive are all at the row of protection.
Claims (5)
1. a clamping force measuring device, comprising: a power sensing signal processor, is characterized in that, also comprise:
Two vertically can be inserted the probe pressing from both sides platform inside;
One force snesor, horizontal direction is placed, and one end is connected with a probe vertical, and tie point is one end that this probe does not insert in folder platform;
One linear displacement device, pop one's head in the other end of force snesor and another root respectively and do not insert the one end pressed from both sides in platform and be connected, two horizontal directions of popping one's head in are separated from each other, and it is close to the flexible thing pressed from both sides in platform, then contact, last until the distance between two outward flanges inserting the parts of pressing from both sides in platforms of popping one's head in equals the diameter clamping rod-shaped objects, now, the elasticity thing holding force size be applied on probe equals the stressed size of force snesor;
Power sensing signal processor is connected with the output signal of force snesor, processes and show the output signal of force snesor.
2. clamping force measuring device according to claim 1, is characterized in that, also comprises a base, and described linear displacement device and another root are popped one's head in and do not inserted the one end pressed from both sides in platform and be connected and be:
Left probe is fixed on the left end of base, and linear displacement device is positioned at the right-hand member of base, is followed successively by force snesor, right probe on the left of linear displacement device.
3. clamping force measuring device according to claim 2, is characterized in that, right probe is fixed on slide block and left slider; In base right probe moving range, install a slide rail and left slide rail, left slider is fixed in left slide rail, and can move left and right;
Left slider is connected to force snesor by anticlockwise stationary shaft, and then on the slide block being connected to linear displacement device by dextral shaft stationary shaft and right slide block.
4. clamping force measuring device according to claim 3, is characterized in that, described linear displacement device comprises right slide rail, right slide block and manual rotation wheel;
Turn manual rotation is taken turns, and pulls right slide block to move right, thus drives right rotation stationary shaft, force snesor, anticlockwise stationary shaft, left slider to move to the right, and the right probe of final drive moves right.
5. clamping force measuring device according to claim 1, characterized by further comprising a linear displacement transducer, opens distance for what measure left probe and right probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706035.2U CN204214579U (en) | 2014-11-20 | 2014-11-20 | A kind of clamping force measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706035.2U CN204214579U (en) | 2014-11-20 | 2014-11-20 | A kind of clamping force measuring device |
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| CN204214579U true CN204214579U (en) | 2015-03-18 |
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| CN201420706035.2U Active CN204214579U (en) | 2014-11-20 | 2014-11-20 | A kind of clamping force measuring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068970A (en) * | 2017-06-13 | 2017-08-18 | 东莞阿李自动化股份有限公司 | Scrape electrode lug device |
| CN108918010A (en) * | 2018-09-11 | 2018-11-30 | 曹晋 | One kind being seated part detection device and method |
| CN113063532A (en) * | 2019-12-30 | 2021-07-02 | 中核北方核燃料元件有限公司 | Fuel element grid clamping force detection device and method |
-
2014
- 2014-11-20 CN CN201420706035.2U patent/CN204214579U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068970A (en) * | 2017-06-13 | 2017-08-18 | 东莞阿李自动化股份有限公司 | Scrape electrode lug device |
| CN107068970B (en) * | 2017-06-13 | 2023-11-03 | 江苏伟正电气科技有限公司 | Scraping and pressing tab device |
| CN108918010A (en) * | 2018-09-11 | 2018-11-30 | 曹晋 | One kind being seated part detection device and method |
| CN113063532A (en) * | 2019-12-30 | 2021-07-02 | 中核北方核燃料元件有限公司 | Fuel element grid clamping force detection device and method |
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Address after: 611731 Sichuan city of Chengdu province high tech West Zone core Avenue Guoteng Science & Technology Park No. 3 No. 11 A202 Patentee after: Chengdu shuchuang Daneng Technology Co.,Ltd. Address before: 611731 Sichuan city of Chengdu province high tech West Zone core Avenue Guoteng Science & Technology Park No. 3 No. 11 A202 Patentee before: CHENGDU SCREATE TECHNOLOGY Co.,Ltd. |