CN109520462A - The means of defence of foil gauge - Google Patents

The means of defence of foil gauge Download PDF

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Publication number
CN109520462A
CN109520462A CN201811331506.5A CN201811331506A CN109520462A CN 109520462 A CN109520462 A CN 109520462A CN 201811331506 A CN201811331506 A CN 201811331506A CN 109520462 A CN109520462 A CN 109520462A
Authority
CN
China
Prior art keywords
hole
foil gauge
pressing plate
defence
mounting plate
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.)
Pending
Application number
CN201811331506.5A
Other languages
Chinese (zh)
Inventor
张田
聂彪
聂一彪
周佩泉
易滔
徐亚亚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN201811331506.5A priority Critical patent/CN109520462A/en
Publication of CN109520462A publication Critical patent/CN109520462A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid

Abstract

The present invention relates to engineering machinery fields, disclose a kind of means of defence of foil gauge, on the surface of monitored part (50), this method includes providing the seal closure (10) that the foil gauge is closed together with the surface of the monitored part (50) for the foil gauge setting.The means of defence of foil gauge provided by the present application can effectively prevent the shock of other objects such as the rubble of construction site, particle, so that foil gauge can adapt to the environment of construction site.

Description

The means of defence of foil gauge
Technical field
The present invention relates to engineering machinery fields, more particularly to a kind of means of defence of foil gauge.
Background technique
Foil gauge is the element for the strain of measurement structure part being made of sensitive grid etc., and when use pastes it securely On the measuring point of structural member.Foil gauge is after stickup, it is necessary to carry out protection appropriate, prevent it by external environment and people The infringement of object, common protection method and device are undesirable to the protection effect of foil gauge at present, apply in the prevalence of protective agent Protection intensity when smearing that the unreasonable oil-stain-preventing effect for causing foil gauge of mode is poor, and being hit to foil gauge is insufficient to ask Topic.
Summary of the invention
The purpose of the invention is to overcome the problems, such as that foil gauge protection intensity of the existing technology is insufficient, one kind is provided The means of defence of foil gauge.
To achieve the goals above, the present invention provides a kind of means of defence of foil gauge, and the foil gauge setting is being supervised It surveys on the surface of part, this method includes providing the seal closure that the foil gauge is closed together with the surface of the monitored part.
Preferably, the seal closure includes main body and the flange positioned at the bottom of the main body, is provided in the main body The middle part of electrical connector through-hole, the flange has central through hole, and the bottom surface of the flange is provided with sealing ring flexible, described Sealing ring is around the central through hole, this method comprises: S1: the seal closure is placed on the surface of the monitored part, So that the foil gauge is located at the foil gauge and is located in the region of the central through hole;S2: on the surface of the monitored part Mounting plate is set so that the flange is located between two mounting plates, pressing plate is mounted on two mounting plates, with Make the flange be compressed in part and the monitored part of the pressing plate between two mounting plates surface it Between in the gap that is formed so that the sealing ring is compressed between the flange and the surface of the monitored part;S3: Electrical waterproof connector is set on the electrical connector through-hole, and by the electrical waterproof connector by the connection of the foil gauge Line is drawn.
Preferably, the first pressing plate through-hole is provided on the pressing plate, the first pressing plate through-hole is threaded hole, the flange On be provided with blind hole, when the pressing plate is installed on the mounting plate, blind hole described in the first pressing plate through-hole alignment, in step In S2, connection bolt is bolted in the first pressing plate through-hole and is extend into the blind hole.
Preferably, the both ends of the pressing plate are provided with the second pressing plate through-hole, and it is logical that mounting plate is provided on the mounting plate Hole;In the step S2, by fastener through the second pressing plate through-hole and the mounting plate through-hole to install the pressing plate In the mounting plate.
Preferably, which comprises the mounting plate is connected to the surface of the monitored part by welding.
Preferably, the groove for installing the sealing ring is provided on the bottom surface of the flange;In step sl, described Groove is arranged around the central through hole.
Preferably, the fastener is bolt, and the mounting plate through-hole is threaded hole;In step s 2, by the fastening Part is spirally connected so that the pressing plate are installed on the mounting plate through the second pressing plate through-hole and with the mounting plate through-hole.
Preferably, in step s3, gasket is set between the end of the bolt and the surface of the monitored part.
Preferably, the method includes the step S0:S01 before step S1: smearing AB on the surface of the foil gauge Glue simultaneously forms AB glue layer, so that the foil gauge is completely covered in the AB glue layer;S02: after the AB glue layer is fully cured, Silicon rubber binder is smeared on the AB glue layer and forms silastic-layer, so that the AB glue is completely covered in the silastic-layer Layer.
Preferably, it step S0 further include: S03: after the silastic-layer is fully cured, is pasted on the silastic-layer Aluminium-foil paper, so that the silastic-layer is completely covered in the aluminium-foil paper.
Preferably, the area of the silastic-layer is greater than the area of the AB glue layer, and the area of the aluminium-foil paper is greater than institute State the area of silastic-layer.
Through the above technical solutions, using the means of defence of foil gauge provided by the present application, due to the setting quilt of seal closure It monitors on the surface of part to close foil gauge together with monitored surface, to effectively prevent the rubble of construction site, particle Shock Deng other objects to foil gauge, so that foil gauge can adapt to the environment of construction site.
Detailed description of the invention
Fig. 1 is the schematic diagram using the foil gauge means of defence protection foil gauge of the preferred embodiment of the present invention;
Fig. 2 is the partial schematic diagram of the side view of Fig. 1;
Fig. 3 is the front view of the seal closure in Fig. 1;
Fig. 4 is the side view of the seal closure in Fig. 1;
Fig. 5 is the top view of the seal closure in Fig. 1;
Fig. 6 is the bottom view of the seal closure in Fig. 1;
Fig. 7 is the schematic diagram of the pressing plate in Fig. 1;
Fig. 8 is the schematic diagram of the mounting plate in Fig. 1.
Description of symbols
10- seal closure 11- main body 12- flange 13- central through hole 14- blind hole 15- groove
16- electrical connector through-hole 20- pressing plate 21- the first pressing plate through-hole 22- the second pressing plate through-hole
31- connection bolt 32- fastener 40- mounting plate 41- mounting plate through-hole
50- is monitored part
Specific embodiment
The application provides a kind of means of defence of foil gauge, as shown in Figure 1, the surface of monitored part 50 is arranged in foil gauge On, this method includes providing the seal closure 10 that the foil gauge is closed together with the surface of monitored part 50.
Since the setting of seal closure is monitored on the surface of part to close foil gauge together with monitored surface, to have Effect prevents shock of other objects such as rubble, particle of construction site to foil gauge, so that foil gauge can adapt to construct The environment at scene, wherein seal closure 10 can select harder metal or alloy material, such as carbon steel, aluminium alloy etc., preferably For Al-alloy parts, it can be achieved that the carrying of construction machinery product structural member, meets site operation environment.
Specifically, the seal closure 10 includes main body 11 and the flange 12 positioned at the bottom of the main body 11, the main body Electrical connector through-hole 16 is provided on 11, the middle part of the flange has central through hole 13, and the bottom surface of the flange 12 is provided with Sealing ring flexible, the sealing ring can be divided into following steps around the central through hole 13, the present processes: S1: will The seal closure 10 is placed on the surface of the monitored part 50, so that the foil gauge is located at the foil gauge positioned at described In the region of central through hole 13;S2: mounting plate 40 is set on the surface of the monitored part 50 so that the flange 12 is located at two Between a mounting plate 40, pressing plate 20 is mounted on two mounting plates 40, so that the flange 12 is compressed in institute It states in the gap formed between the surface of part and the monitored part 50 of the pressing plate 20 between two mounting plates 40, So that the sealing ring is compressed between the flange 12 and the surface of the monitored part 50;S3: described electrical Electrical waterproof connector is set on tab through-hole 16, and is drawn the connecting line of the foil gauge by the electrical waterproof connector.
Structure referring to fig. 1 and fig. 2, since the flange 12 of seal closure 10 is pressed in by pressing plate 20 table of monitored part 50 On face, and fixed by connection bolt 31, thus by foil gauge integral cover, the rubble, broken of construction site can be effectively prevent The shock of other objects such as grain, so that foil gauge can adapt to the environment of construction site;And it is set on the lower surface of flange 12 It is equipped with sealing ring, and due to the reason that flange is compressed by pressing plate, the surface that sealing ring can be tightly attached to monitored part 50 makes close Sealing cover 10 plays the role of waterproof and dustproof;Fig. 4 shows the electrical connector through-hole 16 in the main body of seal closure 10, and foil gauge is logical It crosses electrical connector through-hole 16 to be electrically connected with extraneous monitoring device, be connect wherein electrical waterproof is arranged on electrical connector through-hole 16 Head can prevent liquid from penetrating into inside seal closure 10 by electrical connector through-hole 16.Wherein, pressing plate 20 can be selected and be sealed Cover 10 identical Al-alloy parts.
Specifically, mounting plate 40 is set in the two sides of seal closure 10, so that flange 12 is located between two mounting plates 40, this When pressing plate 20 is mounted between two mounting plates 40, enable to flange 12 to be located at the lower section of pressing plate 20, i.e. 12 quilt of flange It is extruded in the gap formed between the surface of part and monitored part 50 of the pressing plate 20 between two mounting plates 40.
As shown in Figure 1, mounting plate 40 supports the opposite both ends of pressing plate 20, so that pressing plate 20 and monitored part 50 The gap for accommodating flange 12 is formed between surface, flange 12 protrudes on the alignment pressing plate of the blind hole 14 in the gap and on flange 12 The first pressing plate through-hole 21, the first pressing plate through-hole 21 be bolt, enable connection bolt 31 be bolted in the first pressing plate through-hole 21 And it protrudes into blind hole 14, therefore the end by screwing the i.e. adjustable connection bolt 31 of connection bolt 31 squeezes the journey of blind hole 14 Degree, to adjust the degree that flange 12 squeezes sealing ring.
In order to which mounting plate is fixedly connected with pressing plate, it is preferable that the both ends of the pressing plate are provided with the second pressing plate through-hole 22, mounting plate through-hole 41 is provided on the mounting plate 40;In the step S2, fastener 32 is led to through second pressing plate Hole 22 and the mounting plate through-hole 41 are to be installed on the mounting plate 40 for the pressing plate 20.
With reference to structure shown in Fig. 2, the opposite sides of flange 12 is provided with a pressing plate 20, and two mounting plates 20 are distinguished Support the opposite both ends of pressing plate 20, wherein mounting plate through-hole 41 is provided on mounting plate 40, on mounting plate 41 and pressing plate 20 Second pressing plate through-hole 22 aligns, enable fastener 32 simultaneously through the second pressing plate through-hole 22 and mounting plate through-hole 41 to Pressing plate 20 is mounted on mounting plate 40.Wherein, pressing plate 20 is preferably removably mounted on mounting plate 40, specifically, tightly Firmware 32 selects bolt, and the second pressing plate through-hole 22 is simple round holes, and mounting plate through-hole 41 is bolt hole, by this structure, Pressing plate 20 is limited on mounting plate 40 by bolt.Furthermore, it is possible to configure the thickness greater than flange for the thickness of mounting plate, pass through Screw the degree of the adjustable second fastener crush ribs of fastener 32.
Fig. 3 to Fig. 6 is the view at each visual angle of seal closure 10, from figure 5 it can be seen that flange 12 has blind hole 14 Two sides are wider, and in addition two sides are relatively narrow, and there are the two sides of blind hole 14 to be used to form contact with pressing plate 20 thus need enough width Degree is suitable for installing pressing plate 20, and in addition it is more compact to design the relatively narrow layout for making safeguard structure for two sides.
Fig. 4 and Fig. 6 also shows the groove 15 being arranged on the bottom surface of flange 12, and groove 15 is for accommodating sealing flexible Circle, when on the surface that flange 12 is pressed in monitored part 50, sealing ring 15 is compressed in groove 15 and monitored part 50 On surface, to effectively play the effect of waterproof and dustproof.
Mounting plate 40 is arranged in by welding on the surface of monitored part 50, for example mounting plate 40 can select carbon The connection type of steel, welding is relatively stable, to guarantee that stablizing for pressing plate 20 is installed.Certainly, all in order to avoid influencing foil gauge Mounting plate 40 can also be arranged further from seal closure by the safeguard structure of the stress distribution enclosed, foil gauge provided by the present application 10, so that the monitoring of foil gauge may be adversely affected by preventing the welding of mounting plate 40.Wherein, pressing plate 20 preferably can It is releasably mounted on mounting plate 40,
If foil gauge fails, when needing replacing foil gauge, the bolt connection between pressing plate 20 and mounting plate 40 is released Pressing plate 20 and 10 entirety of seal closure can be removed, foil gauge can be replaced, pressing plate 20 is reconnected after replacement With mounting plate 40.
In order to protect the surface of monitored part, in step s 2, end and the monitored part 50 in fastener 32 Gasket is set between surface.
Fig. 7 shows the structure of the pressing plate 20 of the preferred embodiment of the application, wherein from one end to another on pressing plate 20 End is set gradually there are six through-hole, and being located in the middle two through-holes is for the first pressing plate through-hole 21 with flange 12, remaining is logical Hole is the second pressing plate through-hole 22 for connecting with mounting plate 40.Fig. 8 shows the mounting plate of the preferred embodiment of the application 40 structure, there are four the mounting plate through-holes 41 for cooperating with pressing plate 20 for tool on mounting plate 40.
It, can be to foil gauge after on strain gauge adhesion to the surface of monitored part 50 and before bonnet seal cover 10 Smear etc. the protection of type, specifically, method provided by the present application further includes the step S0 carried out before step S1, step Rapid S0 includes: S01: smearing AB glue on the surface of the foil gauge and forms AB glue layer, so that institute is completely covered in the AB glue layer State foil gauge;S02: after the AB glue layer is fully cured, silicon rubber binder is smeared on the AB glue layer and forms silicon rubber Glue-line, so that the AB glue layer is completely covered in the silastic-layer;S03: after the silastic-layer is fully cured, in the silicon Aluminium-foil paper is pasted in rubber layer, so that the silastic-layer is completely covered in the aluminium-foil paper.
In step S01, foil gauge is completely covered for AB glue layer so that foil gauge itself has certain waterproof and dampproof energy Power;In step S02, silicon rubber binder is smeared on AB glue layer, and form silastic-layer, silicon rubber has excellent sealing Humidity resistance, ageing-resistant performance and electrical insulation capability can prevent the connecting line short circuit of foil gauge, in addition, silastic-layer hardens There is certain hardness afterwards, so that foil gauge also has certain protecting against shock performance, wherein when smearing silicon rubber, it shall be guaranteed that AB glue layer is not only completely covered in the silastic-layer of formation, and the area of silastic-layer is also greater than AB glue layer;In step S03, aluminium Foil paper enable to foil gauge from electrostatic interference and electromagnetic interference, wherein pasting aluminium-foil paper constantly, it shall be guaranteed that formed Aluminium-foil paper silastic-layer is completely covered and the area of aluminium-foil paper is also greater than silastic-layer.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this It, can be with various simple variants of the technical solution of the present invention are made in the range of the technology design of invention.Including each particular technique Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways No further explanation will be given.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention Protection scope.

Claims (10)

1. a kind of means of defence of foil gauge, the foil gauge setting is on the surface of monitored part (50), which is characterized in that should Method includes providing the seal closure (10) that the foil gauge is closed together with the surface of the monitored part (50).
2. the means of defence of foil gauge according to claim 1, which is characterized in that the seal closure (10) includes main body (11) and be located at the main body (11) bottom flange (12), be provided with electrical connector through-hole (16) on the main body (11), The middle part of the flange has central through hole (13), and the bottom surface of the flange (12) is provided with sealing ring flexible, the sealing Ring around the central through hole (13), this method comprises:
S1: the seal closure (10) being placed on the surface of the monitored part (50), so that the foil gauge is positioned at described Foil gauge is located in the region of the central through hole (13);
S2: in the surface of the monitored part (50) setting mounting plate (40) so that the flange (12) is located at two installations Between plate (40), pressing plate (20) is mounted on two mounting plates (40) so that the flange (12) be compressed in it is described Between being formed between the surface of part and the monitored part (50) of the pressing plate (20) between two mounting plates (40) In gap, so that the sealing ring is compressed between the flange (12) and the surface of the monitored part (50);
S3: electrical waterproof connector is set on the electrical connector through-hole (16), and will be described by the electrical waterproof connector The connecting line of foil gauge is drawn.
3. the means of defence of foil gauge according to claim 2, which is characterized in that be provided with first on the pressing plate (20) Pressing plate through-hole (21), the first pressing plate through-hole (21) are threaded hole, are provided with blind hole (14) on the flange (12), will be described When pressing plate (20) is installed on the mounting plate (40), the first pressing plate through-hole (21) is directed at the blind hole (14), in step S2 In, connection bolt (31) is bolted in the first pressing plate through-hole (21) and is extend into the blind hole (14).
4. the means of defence of foil gauge according to claim 2, which is characterized in that the both ends of the pressing plate are provided with Two pressing plate through-holes (22) are provided with mounting plate through-hole (41) on the mounting plate (40);In the step S2, by fastener (32) Through the second pressing plate through-hole (22) and the mounting plate through-hole (41) the pressing plate (20) is installed on the mounting plate (40)。
5. the means of defence of foil gauge according to claim 1, which is characterized in that the described method includes: will by welding The mounting plate (40) is connected to the surface of the monitored part (50).
6. the means of defence of foil gauge according to claim 2, which is characterized in that be arranged on the bottom surface of the flange (12) There is the groove (15) for installing the sealing ring;In step sl, the groove (15) sets around the central through hole (13) It sets.
7. the means of defence of foil gauge according to claim 4, which is characterized in that the fastener (32) is bolt, institute Stating mounting plate through-hole (41) is threaded hole;In step s 2, the fastener (32) are run through into the second pressing plate through-hole (22) And it is spirally connected with the mounting plate through-hole (41) the pressing plate (20) is installed on the mounting plate (40).
8. the means of defence of foil gauge according to claim 7, which is characterized in that in step s 2, in the fastener (32) gasket is set between the surface of end and the monitored part (50).
9. foil gauge means of defence described in any one of -8 according to claim 1, which is characterized in that the method includes Step S0 before step S1:
S01: AB glue is smeared on the surface of the foil gauge and forms AB glue layer, so that the strain is completely covered in the AB glue layer Piece;
S02: after the AB glue layer is fully cured, silicon rubber binder is smeared on the AB glue layer and forms silastic-layer, So that the AB glue layer is completely covered in the silastic-layer,
Wherein it is preferred to step S0 further include:
S03: after the silastic-layer is fully cured, pasting aluminium-foil paper on the silastic-layer, so that the aluminium-foil paper is complete Silastic-layer described in all standing.
10. the means of defence of foil gauge according to claim 9, which is characterized in that the area of the silastic-layer is greater than The area of the AB glue layer, the area of the aluminium-foil paper are greater than the area of the silastic-layer.
CN201811331506.5A 2018-11-09 2018-11-09 The means of defence of foil gauge Pending CN109520462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811331506.5A CN109520462A (en) 2018-11-09 2018-11-09 The means of defence of foil gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811331506.5A CN109520462A (en) 2018-11-09 2018-11-09 The means of defence of foil gauge

Publications (1)

Publication Number Publication Date
CN109520462A true CN109520462A (en) 2019-03-26

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070151357A1 (en) * 2005-12-30 2007-07-05 Kurtz Anthony D Hermetically sealed displacement sensor apparatus
CN201463876U (en) * 2009-03-06 2010-05-12 上海宝冶工程技术有限公司 Strain foil protection structure suitable for field installation
CN103913260A (en) * 2014-04-17 2014-07-09 西北工业大学 Pressure testing sensor for resistance spot welding
CN203782747U (en) * 2013-12-30 2014-08-20 上海市隧道工程轨道交通设计研究院 Pressing part system used for immersed tube tunnel GINA water-stop
CN205785161U (en) * 2016-05-24 2016-12-07 兰州交通大学 A kind of temperature control subgrade soil deformation and frost-heave force tester
CN207351474U (en) * 2017-08-28 2018-05-11 北京首钢冷轧薄板有限公司 A kind of protective device of encoder
CN108709492A (en) * 2018-08-24 2018-10-26 霍丁格包尔文(苏州)电子测量技术有限公司 A kind of hermetically sealed strain gauge transducer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070151357A1 (en) * 2005-12-30 2007-07-05 Kurtz Anthony D Hermetically sealed displacement sensor apparatus
CN201463876U (en) * 2009-03-06 2010-05-12 上海宝冶工程技术有限公司 Strain foil protection structure suitable for field installation
CN203782747U (en) * 2013-12-30 2014-08-20 上海市隧道工程轨道交通设计研究院 Pressing part system used for immersed tube tunnel GINA water-stop
CN103913260A (en) * 2014-04-17 2014-07-09 西北工业大学 Pressure testing sensor for resistance spot welding
CN205785161U (en) * 2016-05-24 2016-12-07 兰州交通大学 A kind of temperature control subgrade soil deformation and frost-heave force tester
CN207351474U (en) * 2017-08-28 2018-05-11 北京首钢冷轧薄板有限公司 A kind of protective device of encoder
CN108709492A (en) * 2018-08-24 2018-10-26 霍丁格包尔文(苏州)电子测量技术有限公司 A kind of hermetically sealed strain gauge transducer

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Application publication date: 20190326

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