CN204878181U - Deep hole pivot sensor paster device - Google Patents
Deep hole pivot sensor paster device Download PDFInfo
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- CN204878181U CN204878181U CN201520654423.5U CN201520654423U CN204878181U CN 204878181 U CN204878181 U CN 204878181U CN 201520654423 U CN201520654423 U CN 201520654423U CN 204878181 U CN204878181 U CN 204878181U
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- deep hole
- shaft pin
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- pin sensor
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Abstract
The utility model discloses a deep hole pivot sensor paster device belongs to pivot sensor field, and it has solved current deep hole pivot sensor paster device can't ensure that the foil gage location is accurate, the poor problem of paster effect. The utility model discloses a device is including arc and excellent core, the arc for segmental tile form, it includes two transition faces between interior cambered surface, extrados and interior cambered surface, the extrados, two transition faces on the coplanar, excellent core cross section be circular, the the arc RADIUS on this circular shape radius and the interior cambered surface cross section equals, the extrados cross section on the circular arc concentric with the circular arc on the interior cambered surface cross section, arc quantity be two. The utility model discloses can the position of accurate positioning foil gage in deep hole pivot sensor to obtain the high quality, measure accurate product.
Description
Technical field
The invention belongs to shaft pin sensor field, specifically, relate to a kind of deep hole shaft pin sensor paster apparatus.
Background technique
Axial pin type sensor measures the radial load of the component such as bearing, pulley or the sensor special of steel wire rope tension, and it can replace pulley pin shaft installation to do radial force measurement in the structure.According to different purposes, be arranged on the hook of two Structural Hardware connection places easily, rigging shackle, movable pulley (group), static pulley (group), wedge joint, capel, tackle, open auger buckled, rod head and knuckle joint, in the axis hole of coupling yoke, suspension ring, steel wheel, the function of alternative original axle can be played, play again the effect of weighing and force-measuring transducer, thus whole mechanical part of weighing dynamometry control system is simplified greatly.In recent years, shaft pin sensor is mainly used in electronic hoist scale field, coordinates with U-shaped suspension ring, is assembled into quantity formula or mode of wireless transmission electronic hoist scale is the most common.Due to pivot pin directly and suspension ring and suspension hook assemble, not only eliminate baroque carrying housing, but also can assembly precision be improved, ensure that weighing accuracy.
Shaft pin sensor, according to range size, Environmental Conditions, the pasting method adopted is different.According to different pasting method, be generally divided into blind hole and deep hole shaft pin sensor.The little tonnage shaft pin sensor of tradition generally adopts blind hole paster, blind hole paster advantage is that patch location is outside pivot pin, convenient location, but blind hole paster drawback is that paster is outside exposed, protected by sealing process for filling colloid, use time long because the aging water-tight corrosion-proof soiling protective effect to paster of sealer is more and more less, cause precision step-down performance to become grain; Deep hole pivot pin paster is at pivot pin inner chamber paster, ensures that paster is long-term stored in the environment of a safety and stability.Large-tonnage, as 120 tons of deep hole shaft pin sensors, for ensureing its sensing accuracy, pivot pin center deep hole diameter is general less, sufficient to ensure the resistant to bending stresses of pivot pin itself, along with large-tonnage pivot pin length, the outlet of patch location distance pivot pin is longer than palm far away and is narrower than palm width far away, therefore the position of paster is determined and being adhesively fixed of paster cannot complete only by finger, and the determining positions of the paster Mass accuracy of sensor, the most important thing of product, so paster process must utilize paster apparatus to assist.
Chinese Patent Application No. 201310508251.6, the patent document in publication date on January 22nd, 2014, disclose a kind of inner walls of deep holes foil gauge paster frock for steel rolling sensor, comprise body, positioning seat, positioning seat is provided with ball valve, and the outer end of positioning seat is provided with gas joint, and the sidewall of body is provided with some exhaust ports, the outside of body is arranged with silica gel sheath, and the two ends of silica gel sheath are connected with the two ends outer side seal of body; Be provided with silica gel inner sleeve between the inner side of silica gel sheath and the outside of body, the outer side surface of body is equidistantly provided with some circular grooves vertically, the outer side surface of silica gel inner sleeve is provided with some garter springs.Therefore, this invention has following beneficial effect: foil gauge can be attached on inner walls of deep holes accurately, patch location is accurate; After paster, foil gauge is convenient to be separated with frock, uses convenient; During paster, the pressure stability on foil gauge, lasting vertically act on foil gauge, pressure size is convenient to regulate, and guarantees that foil gauge paster is firm.
Chinese Patent Application No. 201410015309.8, the patent application document in publication date on April 16th, 2014, disclose a kind of foil gauge paster apparatus being applicable to weighing and force-measuring transducer, described weighing and force-measuring transducer is provided with hole, described paster apparatus is used for described foil gauge to be assemblied in described hole, described paster apparatus comprises: carrier block, described carrier block is provided with at least one foil gauge carrier, described foil gauge is preset on described foil gauge carrier, the radial dimension of described carrier block is less than the radial dimension of described hole, described carrier block is located in described hole movably, and extrusion block, described extrusion block is located in described hole movably, described extrusion block be suitable for being formed in described hole can extrude described carrier block with make on described foil gauge carrier preset foil gauge be fitted on the inwall of described hole.According to the foil gauge paster apparatus being applicable to weighing and force-measuring transducer of this inventive embodiments, structure is simple, convenient and practical, is suitable for industrialized production, can be applied to the stickup of foil gauge in the hole of high-aspect-ratio.
Technological scheme complex structure disclosed in above-mentioned two parts of patent application documents, be difficult to production line is produced in batches, and due to each sensor construction difference too large, the position of paster may not be uniformly distributed, technique scheme is adopted not have versatility to nonstandard, special sensor, for the sensor of patch location complexity, accurate paster cannot be accomplished, to obtain patch location high quality of products accurately.
Summary of the invention
The problem that 1, will solve
Foil gauge registration cannot be guaranteed for existing deep hole shaft pin sensor paster apparatus, and paster is connected the problem of weak effect with deep hole narrow footpath pivot pin inwall, the invention provides a kind of deep hole shaft pin sensor paster apparatus, accurately can locate the position of foil gauge in deep hole shaft pin sensor, with obtain quality high, measure product accurately, and can produce in batches for the production of line, manufacturing efficiency is high.
2, technological scheme
For solving the problem, the present invention adopts following technological scheme.
A kind of deep hole shaft pin sensor paster apparatus, comprise arc plate and excellent core, described arc plate is circular arc tiles, and it comprises two transitional surfaces between intrados, outer arced surface and intrados, outer arced surface; Two described transitional surfaces at grade; Described excellent core cross section is circular, and the radius of this circle is equal with the radius of arc on intrados cross section; Circular arc on described outer arced surface cross section is concentric with the circular arc on intrados cross section; Described arc plate quantity is two.
Preferably, described outer arced surface roughness is 0.2 or 0.4; The roughness of described intrados and excellent wicking surface is 0.1 or 0.2 or 0.4.
Preferably, described excellent core one end is hemisphere.
Preferably, the material of described arc plate and excellent core is the martensitic precipitation of trade mark SS-17-4PH.
Preferably, the surface hardness of described arc plate and excellent core is HRC29 ~ 33.
Preferably, the distance when intrados of two described arc plates and the excellent core outer surface transitional surface of fitting on latter two arc plate are parallel to each other is 6 ~ 8mm.
Preferably, the diameter 12 ~ 16mm less of deep hole shaft pin sensor medium-length hole diameter of described arc plate outer arced surface.
A kind of deep hole shaft pin sensor pasting method, comprises the following steps:
1) selection material martensitic precipitation, the trade mark is SS-17-4PH, manufactures paster apparatus as claimed in claim 1, and to be quenched to hardness be HRC29 ~ 33;
2) to measure on deep hole shaft pin sensor first and treat the length of patch location mid point apart from deep hole shaft pin sensor end face D, recording this length is a;
3) to measure on deep hole shaft pin sensor second and treat the length of patch location mid point apart from deep hole shaft pin sensor section D, recording this length is b;
4) with the end face C of paster apparatus arc plate one end rise to the other end measure length for a obtain on arc plate a bit, recording this point is paster point A;
5) with the end face C of paster apparatus arc plate one end rise to the other end measure length for b obtain on arc plate a bit, recording this point is paster point B;
6) be wait that two arc plates wrap together by the sheet rubber pasting foil gauge diameter or the length of side 2 ~ 3 times with width on paster point A, B respectively, make transitional surface laminating corresponding on two arc plates;
7) in step 6) in covering paster point A, B sheet rubber on each place a foil gauge, and at foil gauge upper surface sprayed glues, the surrounding of make foil gauge upper surface, having a common boundary with sheet rubber is evenly covered with glue, and makes foil gauge by semifixed on sheet rubber with the glue of sheet rubber intersection;
8) by step 7) in fix foil gauge after arc plate stretch in the axial deep hole of the deep hole shaft pin sensor treating paster, deep hole shaft pin sensor upper-end surface D is alignd, and fixing with paster apparatus arc plate upper-end surface C;
9) stretch into excellent core from one end that arc plate end face C is relative, the inserting end of excellent core is alignd with end face C;
10) keep step 9) state 45 ~ 60 minutes;
11) take out excellent core and arc plate successively, complete paster.
Preferably, described step 6) in sheet rubber be hydrogenated nitrile-butadiene rubber, the Jacket thickness of sheet rubber is 8 ~ 10mm.
Preferably, step 6) in the Jacket thickness of sheet rubber be 8mm; Step 7) in fix foil gauge after arc plate sheet rubber distance inner walls of deep holes 1mm when stretching in the axial deep hole of the deep hole shaft pin sensor of paster.
3, beneficial effect
Compared to prior art, beneficial effect of the present invention is:
(1) apparatus structure of the present invention is simple, easy to use, the arc plate that two shapes are circular arc tiles is utilized to match with the deep hole in deep hole shaft pin sensor, adopt excellent core to extrude two arc plates, the foil gauge being fixed on arc plate outer surface can be made to be fitted in the axis hole in deep hole shaft pin sensor fast, accurately; Because excellent core cross section is circular, the radius of this circle is equal with the radius of arc on intrados cross section, and circular arc on outer arced surface cross section is concentric with the circular arc on intrados cross section, so effectively can improve deep hole shaft pin sensor paster efficiency and paster precision;
(2) the outer arced surface roughness of apparatus of the present invention is 0.2 or 0.4, makes arc plate treat that paster deep hole shaft pin sensor axis hole internal resistance is little, easy to operate in propelling; The roughness of intrados and excellent wicking surface is 0.1 or 0.2 or 0.4, and can effectively reduce the frictional force of arc plate intrados and excellent wicking surface, conveniently speed operations speed, improves paster efficiency;
(3) apparatus of the present invention rod core one end is hemisphere, adopts excellent core to be that hemispheric one end is stretched between two pieces of arc plates, facilitates excellent core to enter smoothly;
(4) material of apparatus of the present invention arc plate and excellent core is the martensitic precipitation of trade mark SS-17-4PH, improves the corrosion resistance of this paster apparatus, and has resistance to high temperature, guarantees that paster is accurate, produces high quality of products;
(5) surface hardness of apparatus of the present invention arc plate and excellent core is HRC29 ~ 33, can improve working life, reduces the wear damage between arc plate and excellent core;
(6) distance when intrados of apparatus of the present invention two arc plates and the excellent core outer surface transitional surface of fitting on latter two arc plate are parallel to each other is 6 ~ 8mm, when excellent core is stretched in the middle of two arc plates, two arc plates outwards can expand 3 ~ 4mm, this device can be compensated like this and stretch into distance on deep hole shaft pin sensor deep hole rear arc plate outer wall between sheet rubber and inner walls of deep holes, make sheet rubber extrusion-deformation, under deforming pressure foil gauge firmly, is reliably fixed on inner walls of deep holes;
(7) registration of the strain gauge of sensor manufactured by the inventive method, error is little; After foil gauge is accurately located, fasteningly can be attached to pivot pin axis hole inner chamber, Adhesion enhancement; The environmental stability of deep hole pivot pin inner chamber makes the safe operating life of shaft pin sensor increase; Utilize sheet rubber as the paster carrier of foil gauge, can fix and locate foil gauge on the one hand, on the other hand under the effect of being squeezed can more firmly, stably foil gauge is attached on the inner walls of deep holes of deep hole shaft pin sensor, improve the quality of deep hole shaft pin sensor, its measuring accuracy improves greatly, and working life extends greatly.
(8) in the inventive method, sheet rubber adopts hydrogenated nitrile-butadiene rubber, have high temperature resistant, have elasticity and higher anti-compression properties concurrently, the paster effect of foil gauge can be improved, improve product sensor quality;
(9) in the inventive method, the Jacket thickness of sheet rubber is 8 ~ 10mm, corresponding with apparatus of the present invention, when making excellent core stretch into two arc plates, the expansion compensated distance sheet rubber of two arc plates and inner walls of deep holes are apart from rear continuation compressing rubber sheet 2mm, sheet rubber is made to be out of shape the pressure produced foil gauge, foil gauge firmly, is stably fixed on inner walls of deep holes, improves the reliability of sensor, accuracy, and extend the working life of product sensor.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is view when arc plate is in deep hole shaft pin sensor axis hole in apparatus of the present invention;
Fig. 4 is that in Fig. 3, arc plate stretches into the view after excellent core;
Fig. 5 is the inventive method step 2), 3) medium-length hole shaft pin sensor each paster point instrumentation plan;
Fig. 6 is the inventive method step 6) in parcel sheet rubber after schematic diagram.
In figure: paster point A, B on arc plate; The end face C of arc plate one end; Deep hole shaft pin sensor end face D; Treat patch location mid point corresponding deep hole shaft pin sensor outer wall point A ' for first; Treat patch location mid point corresponding deep hole shaft pin sensor outer wall point B ' for second.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of deep hole shaft pin sensor paster apparatus, comprise two arc plates and an excellent core, the material of arc plate and excellent core is the martensitic precipitation of trade mark SS-17-4PH; The surface hardness of arc plate and excellent core is HRC33; Arc plate is circular arc tiles, and it comprises two transitional surfaces between intrados, outer arced surface and intrados, outer arced surface; Outer arced surface roughness is 0.4; The roughness of intrados and excellent wicking surface is 0.2; Two transitional surfaces on same arc plate at grade; Rod core one end is hemisphere, and excellent core cross section is circular, and the radius of this circle is equal with the radius of arc on intrados cross section; Circular arc on outer arced surface cross section is concentric with the circular arc on intrados cross section; Concrete, the distance when intrados of two arc plates and the excellent core outer surface transitional surface of fitting on latter two arc plate are parallel to each other is 6mm, the diameter 12mm less of deep hole shaft pin sensor medium-length hole diameter of two arc plate outer arced surface, like this after excellent core stretches into two arc plates, two arc plates can expand 3mm to radial direction, make the distance of inner walls of deep holes and two arc plate outer arced surface be 12mm; Conversely speaking, after wrap up the thick sheet rubber of 8mm on two arc plates, the expansion filling in two arc plates during excellent core can make sheet rubber compress 2mm, is able to foil gauge firmly, to be stably pasted onto on inner walls of deep holes.
A kind of deep hole shaft pin sensor pasting method, comprises the following steps:
1) selection material martensitic precipitation, the trade mark is SS-17-4PH, manufactures above-mentioned paster apparatus, and to be quenched to hardness be HRC33;
2) as shown in Figure 5, measurement deep hole shaft pin sensor treats the length of patch location mid point corresponding deep hole shaft pin sensor outer wall point A ' distance deep hole shaft pin sensor end face D for first, and recording this length is a;
3) as shown in Figure 5, measurement deep hole shaft pin sensor treats the length of patch location mid point corresponding deep hole shaft pin sensor outer wall point B ' distance deep hole shaft pin sensor section D for second, and recording this length is b;
4) as shown in Figure 6, rise with the end face C of paster apparatus arc plate one end and measure length for a bit on a acquisition arc plate to the other end, recording this point is paster point A;
5) as shown in Figure 6, rise with the end face C of paster apparatus arc plate one end and measure length for a bit on b acquisition arc plate to the other end, recording this point is paster point B;
6) as shown in Figure 6, be wait that two arc plates wrap together by the sheet rubber pasting foil gauge diameter 2 times with width on paster point A, B respectively, make transitional surface laminating corresponding on two arc plates, the material of sheet rubber is hydrogenated nitrile-butadiene rubber, and the thickness of sheet rubber parcel is 8mm;
7) in step 6) in covering paster point A, B sheet rubber on each place a foil gauge, and at foil gauge upper surface sprayed glues, the surrounding of make foil gauge upper surface, having a common boundary with sheet rubber is evenly covered with glue, and makes foil gauge by semifixed on sheet rubber with the glue of sheet rubber intersection;
8) by step 7) in fix foil gauge after arc plate stretch in the axial deep hole of the deep hole shaft pin sensor treating paster, deep hole shaft pin sensor upper-end surface D is alignd, and fixing with paster apparatus arc plate upper-end surface C;
9) stretch into excellent core from one end that arc plate end face C is relative, the inserting end of excellent core is alignd with end face C;
10) keep step 9) state 45 minutes;
11) take out excellent core and arc plate successively, complete paster.
The registration of the strain gauge of sensor manufactured by the inventive method, error is little; Foil gauge accurately can be positioned at the groove of deep hole shaft pin sensor, and margin of error narrows down to ten thousand/; After foil gauge is accurately located, fasteningly can be attached to pivot pin inner chamber, under the extruding force effect of arc plate, can ensure that the more general pasting method of the adhesion of foil gauge strengthens 300%; Foil gauge strengthens several times in the ambient stable performance of deep hole pivot pin inner chamber, makes the safe operating life of shaft pin sensor increase 30000-50000 hour.
Embodiment 2
Identical with embodiment 1, difference is: the surface hardness of arc plate and excellent core is HRC30; Outer arced surface roughness is 0.2; The roughness of intrados and excellent wicking surface is 0.1; The distance when intrados of two arc plates and the excellent core outer surface transitional surface of fitting on latter two arc plate are parallel to each other is 8mm, the diameter 12mm less of deep hole shaft pin sensor medium-length hole diameter of two arc plate outer arced surface, like this after excellent core stretches into two arc plates, two arc plates can expand 4mm to radial direction, make the distance of inner walls of deep holes and two arc plate outer arced surface be 10mm; Conversely speaking, after wrap up the thick sheet rubber of 8mm on two arc plates, the expansion filling in two arc plates during excellent core can make sheet rubber compress 2mm, is able to foil gauge firmly, to be stably pasted onto on inner walls of deep holes.
A kind of deep hole shaft pin sensor pasting method, its step is identical with embodiment 1, and difference is, step 1) in be quenched to hardness be HRC30; Step 6) in be wait that two arc plates wrap together by the sheet rubber pasting foil gauge diameter 3 times with width on paster point A, B respectively; Step 10) in the time be 60 minutes.
Embodiment 3
Identical with embodiment 1, difference is: the surface hardness of arc plate and excellent core is HRC29; Outer arced surface roughness is 0.2; The roughness of intrados and excellent wicking surface is 0.4; The distance when intrados of two arc plates and the excellent core outer surface transitional surface of fitting on latter two arc plate are parallel to each other is 8mm, the diameter 16mm less of deep hole shaft pin sensor medium-length hole diameter of two arc plate outer arced surface, like this after excellent core stretches into two arc plates, two arc plates can expand 4mm to radial direction, make the distance of inner walls of deep holes and two arc plate outer arced surface be 16mm; Conversely speaking, after wrap up the thick sheet rubber of 10mm on two arc plates, the expansion filling in two arc plates during excellent core can make sheet rubber compress 2mm, is able to foil gauge firmly, to be stably pasted onto on inner walls of deep holes.
A kind of deep hole shaft pin sensor pasting method, its step is identical with embodiment 1, and difference is, step 1) in be quenched to hardness be HRC29; Step 6) in adopt thickness to be the sheet rubber of the hydrogenated nitrile-butadiene rubber material of 10mm; Step 10) in the time be 60 minutes.
Embodiment 4
The distance when intrados of two arc plates and the excellent core outer surface transitional surface of fitting on latter two arc plate are parallel to each other is 8mm, the diameter 14mm less of deep hole shaft pin sensor medium-length hole diameter of two arc plate outer arced surface, like this after excellent core stretches into two arc plates, two arc plates can expand 4mm to radial direction, make the distance of inner walls of deep holes and two arc plate outer arced surface be 14mm; Conversely speaking, after wrap up the thick sheet rubber of 9mm on two arc plates, the expansion filling in two arc plates during excellent core can make sheet rubber compress 2mm, is able to foil gauge firmly, to be stably pasted onto on inner walls of deep holes.
A kind of deep hole shaft pin sensor pasting method, its step is identical with embodiment 1, and difference is, step 6) in employing thickness be the sheet rubber of the hydrogenated nitrile-butadiene rubber material of 9mm.
Claims (7)
1. a deep hole shaft pin sensor paster apparatus, comprises arc plate and excellent core, it is characterized in that: described arc plate is circular arc tiles, and it comprises two transitional surfaces between intrados, outer arced surface and intrados, outer arced surface; Two described transitional surfaces at grade; Described excellent core cross section is circular, and the radius of this circle is equal with the radius of arc on intrados cross section; Circular arc on described outer arced surface cross section is concentric with the circular arc on intrados cross section; Described arc plate quantity is two.
2. a kind of deep hole shaft pin sensor paster apparatus according to claim 1, is characterized in that: described outer arced surface roughness is 0.2 or 0.4; The roughness of described intrados and excellent wicking surface is 0.1 or 0.2 or 0.4.
3. a kind of deep hole shaft pin sensor paster apparatus according to claim 2, is characterized in that: described excellent core one end is hemisphere.
4. a kind of deep hole shaft pin sensor paster apparatus according to claim 3, is characterized in that: the material of described arc plate and excellent core is the martensitic precipitation of trade mark SS-17-4PH.
5. a kind of deep hole shaft pin sensor paster apparatus according to claim 4, is characterized in that: the surface hardness of described arc plate and excellent core is HRC29 ~ 33.
6., according to the arbitrary described a kind of deep hole shaft pin sensor paster apparatus of Claims 1 to 5, it is characterized in that: the distance when intrados of two described arc plates and the excellent core outer surface transitional surface of fitting on latter two arc plate are parallel to each other is 6 ~ 8mm.
7. a kind of deep hole shaft pin sensor paster apparatus according to claim 6, is characterized in that: the diameter 12 ~ 16mm less of deep hole shaft pin sensor medium-length hole diameter of described arc plate outer arced surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520654423.5U CN204878181U (en) | 2015-08-25 | 2015-08-25 | Deep hole pivot sensor paster device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520654423.5U CN204878181U (en) | 2015-08-25 | 2015-08-25 | Deep hole pivot sensor paster device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041804A (en) * | 2015-08-25 | 2015-11-11 | 马鞍山科勒称重设备制造有限公司 | Strain gauge attaching device and method for deep-hole shaft pin sensor |
| CN113266627A (en) * | 2021-07-16 | 2021-08-17 | 余姚太平洋称重工程有限公司 | Strain hole chip mounting device of pin sensor and using method thereof |
-
2015
- 2015-08-25 CN CN201520654423.5U patent/CN204878181U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041804A (en) * | 2015-08-25 | 2015-11-11 | 马鞍山科勒称重设备制造有限公司 | Strain gauge attaching device and method for deep-hole shaft pin sensor |
| CN113266627A (en) * | 2021-07-16 | 2021-08-17 | 余姚太平洋称重工程有限公司 | Strain hole chip mounting device of pin sensor and using method thereof |
| CN113266627B (en) * | 2021-07-16 | 2021-10-08 | 余姚太平洋称重工程有限公司 | Strain hole chip mounting device of pin sensor and using method thereof |
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Granted publication date: 20151216 Termination date: 20160825 |