CN109139654A - The non-standard bolt of load detection device can directly be installed additional - Google Patents

The non-standard bolt of load detection device can directly be installed additional Download PDF

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Publication number
CN109139654A
CN109139654A CN201811175554.XA CN201811175554A CN109139654A CN 109139654 A CN109139654 A CN 109139654A CN 201811175554 A CN201811175554 A CN 201811175554A CN 109139654 A CN109139654 A CN 109139654A
Authority
CN
China
Prior art keywords
bolt
detection device
load detection
face
thread part
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
CN201811175554.XA
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Chinese (zh)
Inventor
张松林
郑建锋
金鑫
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.)
Commercial Aircraft Corp of China Ltd
Shanghai Aircraft Design and Research Institute Commercial Aircraft Corporation of China Ltd
Original Assignee
Commercial Aircraft Corp of China 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 Commercial Aircraft Corp of China Ltd filed Critical Commercial Aircraft Corp of China Ltd
Priority to CN201811175554.XA priority Critical patent/CN109139654A/en
Publication of CN109139654A publication Critical patent/CN109139654A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load

Abstract

A kind of non-standard bolt that can directly install load detection device additional, needs not move through any processing, can be achieved in real time detecting the load for acting on bolt.The non-standard bolt includes bolt head, bolt tail and the threaded shank being set between the bolt head and the bolt tail, the external thread part with the first tooth number is formed in a part by bolt tail of threaded shank, it is characterized in that, one in the end face of the bolt head and the end face of the bolt tail is arranged to make to inject the ultrasonic reflections face that the ultrasonic wave of the non-standard bolt is reflected according to the direction opposite with incident direction, another is arranged to flat surface, the non-standard bolt is in the bolt head, the bolt tail or the threaded shank are formed with the installation external thread part or installation internal thread part for being different from the external thread part with the first tooth number, the installation external thread part or installation internal thread part can install additional for the load detection device.

Description

The non-standard bolt of load detection device can directly be installed additional
Technical field
The present invention relates to a kind of metal parts, relate more specifically to a kind of bolt that can directly install load detection device additional Non-standard component (non-standard bolt).
Background technique
It is well known that when bolt is threaded into nut after the screw hole for passing through fixture, set on the external screw thread of threaded shank Be set to nut inner wall internal screw-thread screw, at this point, the weight of fixture acts on the threaded shank of bolt, so that bolt (spiral shell Bar portion) bear load.
If load suffered by bolt (threaded shank) is excessive, it will lead to bolt (threaded shank) and be broken.Especially make With the Aeronautics and Astronautics field of Precision Machining part, once bolt (threaded shank) fracture occurs, light then occurrence of equipment element falling, weight The serious accident of fatal crass then occurs.Therefore, professional also pays attention to pair while elevator bolt itself rigidity The load for acting on bolt (threaded shank) is detected.
Currently, commonly it has been known that there is strain measurement methods as the method detected to the load for acting on bolt And ultrasonic detection method.
※ strain measurement method
So-called in the prior art " strain measurement method " refers to and pastes foil gauge on the threaded shank surface of bolt, pass through The strain that strain measurement bolt (threaded shank) occurs, thus the method for being converted into load suffered by bolt.
In general, strain measurement method is usually used in carrying out the load-strain curve of single bolt in laboratory Measurement.But if bolt is installed in fixture, because the threaded shank of bolt can be fully enclosed in fixture, Therefore, it is difficult to be detected by strain measurement method to the load for acting on bolt (threaded shank).
※ ultrasonic detection method
So-called in the prior art " ultrasonic detection method ", refers to hand-held ultrasound detector, utilizes ultrasonic reflections Principle, the method that the load for acting on bolt is detected.
Above-mentioned ultrasonic detector is generally made of ultrasonic probe, detection control display equipment and connecting line.
When implementing this ultrasonic detection method, needs in advance to polish two end faces of bolt, can not only give in this way It is next difficult to detect work belt, and the performance of bolt itself may be influenced.In addition, since ultrasonic probe can not be fixed on bolt On, therefore, hand-held ultrasound detecting instrument can only under static state detect the load for acting on bolt, and cannot be Real-time detection is completed under motion state.
In addition, the end face of the bolt head of current standard component requires to scribe the identification code of piece number, and the end of bolt tail Face is uneven, therefore, is also difficult directly to implement objectively holding detection.
Therefore, how to design one kind need not move through it is any processing can directly install load detection device additional with realize in real time it is right The bolt that the load of bolt is detected is acted on, is become as technical problem urgently to be resolved.
Summary of the invention
The present invention makees to solve above-mentioned technical problem, can directly install load detection device additional its purpose is to provide a kind of Non-standard bolt, need not move through any processing, can be achieved in real time detecting the load for acting on bolt.
In order to solve the above-mentioned technical problem, the first aspect of the present invention, which provides, a kind of can directly install load detection device additional Non-standard bolt, including bolt head, bolt tail and the screw rod being set between the bolt head and the bolt tail Portion forms the external thread part with the first tooth number in a part by bolt tail of threaded shank, which is characterized in that the bolt One in the end face on head and the end face of the bolt tail ultrasonic wave for being arranged to make to inject the non-standard bolt According to the ultrasonic reflections face that the direction opposite with incident direction is reflected, another is arranged to flat surface, the non-standard bolt It is formed in the bolt head, the bolt tail or the threaded shank and is different from the external thread part with the first tooth number Installation external thread part or installation internal thread part, the installation external thread part or installation internal thread part can be for the loads Lotus detection device installs additional.
In addition, being constituted according to as described above, by improving head or the tail shape of standard bolt, can be realized in bolt It is upper directly to install load detection device additional, without carrying out any working process before installation.In addition, making the bolt head of bolt An end face in 110A~110F and bolt tail 120A~120F is made to the face (flat surface) of transmitting ultrasonic wave, another A end face is made to the face (ultrasonic reflections face) reflected ultrasonic wave, to realize the load of real-time detection bolt, and energy Detection is completed under motion state.
The non-standard bolt that can directly install load detection device additional of second aspect of the present invention is in first aspect present invention The non-standard bolt that can directly install load detection device additional on the basis of, which is characterized in that the non-standard bolt it is described Bolt tail includes the rounding prismoid section from first diameter undergauge to second diameter and the stud portion with second diameter, it is described plus Dress is engraved in the stud portion with external thread part.
The non-standard bolt that can directly install load detection device additional of third aspect present invention is in first aspect present invention The non-standard bolt that can directly install load detection device additional on the basis of, which is characterized in that the non-standard bolt it is described Bolt tail includes rounding prismoid section and the internal thread hole from first diameter undergauge to second diameter, and the internal thread hole is from described The end face of rounding prismoid section internally opens up, and has the third diameter smaller than the second diameter, and the installation uses internal screw thread Portion is engraved in the internal thread hole.
The non-standard bolt that can directly install load detection device additional of fourth aspect present invention is in first aspect present invention The non-standard bolt that can directly install load detection device additional on the basis of, which is characterized in that be also carved in the threaded shank The installation external thread part with the second tooth number, the external thread part and the installation are collectively formed to be formed with external thread part In the external thread part of the threaded shank, the thread number for being formed in the external thread part of the threaded shank is arranged to and is formed in nut The thread number of internal thread part possessed by the thread number of the internal thread part of inner peripheral surface and load detection device to be installed additional it With suitable or mostly several teeth.
The non-standard bolt that can directly install load detection device additional of fifth aspect present invention is in first aspect present invention The non-standard bolt that can directly install load detection device additional on the basis of, which is characterized in that from the institute of the non-standard bolt The end face for stating bolt head internally offers internal thread hole, which has smaller than the outer diameter of the bolt head straight Diameter, the installation are engraved in the internal thread hole with internal thread part.
The non-standard bolt that can directly install load detection device additional of sixth aspect present invention is in first aspect present invention The non-standard bolt that can directly install load detection device additional on the basis of, which is characterized in that in the institute of the non-standard bolt The end face for stating bolt head is formed with stud portion, and the stud portion has the diameter smaller than the outer diameter of the bolt head, and Protruding to the outside from the bolt head, the installation is engraved in the stud portion with external thread part.
The non-standard bolt that can directly install load detection device additional of seventh aspect present invention is in first aspect present invention The non-standard bolt that can directly install load detection device additional on the basis of, which is characterized in that in the institute of the non-standard bolt The end face for stating bolt head is formed with stud portion, and the stud portion has the diameter smaller than the outer diameter of the bolt head, and It is protruding to the outside from the bolt head, internal thread hole is internally offered from the end face in the stud portion, internal thread hole tool There is the diameter smaller than the diameter in the stud portion, the installation is engraved in the internal thread hole with internal thread part.
According to second aspect as described above to the 7th aspect, load can be directly installed additional with simple fabricate out The non-standard bolt of detection device.
The non-standard bolt that can directly install load detection device additional of eighth aspect present invention is in first aspect present invention To the non-standard bolt that can directly install load detection device additional of any one of the 7th aspect, which is characterized in that The ultrasonic reflections face is formed as planar.
It is constituted according to as described above, the receiving load of bolt can be measured in the case where bolt does not have bending deformation.
In addition, (planar) ultrasonic reflections face either the bolt head of bolt end face, be also possible to bolt Bolt tail end face.
The non-standard bolt that can directly install load detection device additional of ninth aspect present invention is in eighth aspect present invention The non-standard bolt that can directly install load detection device additional on the basis of, which is characterized in that the ultrasonic reflections face is vertical It is not more than 0.025 in the error amount of threaded shank.
It is described above that being not more than 0.025 verticality, by being formed so as to ensure that ultrasonic reflections face makes to penetrate The ultrasonic wave for entering the non-standard bolt is reflected according to the direction opposite with incident direction, and thus, it is possible to further increase precision.
The non-standard bolt that can directly install load detection device additional of tenth aspect present invention is in first aspect present invention To the non-standard bolt that can directly install load detection device additional of any one of the 7th aspect, which is characterized in that Three vertical corners made of being intersected with each other as three orthogonal faces are formed on the ultrasonic reflections face.
It is constituted according to as described above, after either bolt does not have the case where bending deformation or bolt to occur bending and deformation The case where, above-mentioned ultrasonic wave is passing into bolt entity from an end face (non-" ultrasonic reflections face "), reaches another end Face, i.e. ultrasonic reflections face, ultrasonic wave are mutual in three for passing through three vertical corners being formed on the ultrasonic reflections face After vertical face reflection, it can be reflected according to the direction opposite with incident direction.In this way, on the one hand for the ultrasound of bolt For wave reflection face, it is no longer necessary to very high verticality requirement, on the other hand, even if bolt is bent by stress, Also can effectively measuring bolt occur bending and deformation after receiving load.
In addition, (being formed with three vertical corners) ultrasonic reflections face either the bolt head of bolt end face, It is also possible to the end face of the bolt tail of bolt.
The non-standard bolt that can directly install load detection device additional of tenth one side of the invention is in first party of the present invention On the basis of face to the non-standard bolt that can directly install load detection device additional of any one of the 7th aspect, feature exists In the ultrasonic reflections face is formed as dome shape.
It is constituted according to as described above, after either bolt does not have the case where bending deformation or bolt to occur bending and deformation The case where, regardless of which kind of degree bolts bend is deformed to, always there are the incidence of one with ultrasonic wave in the ultrasonic reflections face of dome shape Identical (opposite) point in direction can be such that the ultrasonic wave injected reflects according to the direction opposite with incident direction, in this way, on the one hand For the ultrasonic reflections face of bolt, it is no longer necessary to very high verticality requirement, on the other hand, even if bolt is answered Power and bend, also can effectively measuring bolt occur bending and deformation after receiving load.
Detailed description of the invention
Fig. 1 (a) is the schematic diagram for indicating the bolt (bolt standard component) of the prior art, and Fig. 1 (b) indicates the prior art Bolts and nuts screw togather after state schematic diagram.
Fig. 2 (a) is to indicate that the bolt of first embodiment of the invention (can directly install the non-standard spiral shell of load detection device additional Bolt) schematic diagram, Fig. 2 (b) is to be equipped with load detection device after the bolt for indicating for nut to be screwed into first embodiment of the invention State schematic diagram.
Fig. 3 (a) is to indicate that the bolt of second embodiment of the invention (can directly install the non-standard spiral shell of load detection device additional Bolt) schematic diagram, Fig. 3 (b) is to be equipped with load detection device after the bolt for indicating for nut to be screwed into second embodiment of the invention State schematic diagram.
Fig. 4 (a) is to indicate that the bolt of third embodiment of the invention (can directly install the non-standard spiral shell of load detection device additional Bolt) schematic diagram, Fig. 4 (b) is to be equipped with load detection device after the bolt for indicating for nut to be screwed into third embodiment of the invention State schematic diagram.
Fig. 5 (a) is to indicate that the bolt of fourth embodiment of the invention (can directly install the non-standard spiral shell of load detection device additional Bolt) schematic diagram, Fig. 5 (b) is to be equipped with load detection device after the bolt for indicating for nut to be screwed into fourth embodiment of the invention State schematic diagram.
Fig. 6 (a) is to indicate that the bolt of fifth embodiment of the invention (can directly install the non-standard spiral shell of load detection device additional Bolt) schematic diagram, Fig. 6 (b) is to be equipped with load detection device after the bolt for indicating for nut to be screwed into fifth embodiment of the invention State schematic diagram.
Fig. 7 (a) is to indicate that the bolt of sixth embodiment of the invention (can directly install the non-standard spiral shell of load detection device additional Bolt) schematic diagram, Fig. 7 (b) is to be equipped with load detection device after the bolt for indicating for nut to be screwed into sixth embodiment of the invention State schematic diagram.
Fig. 8 (a) and Fig. 8 (b) is to indicate to be arranged in first embodiment of the invention shown in Fig. 2 (a) to Fig. 7 (a) to the 6th The schematic diagram of the identification code of an end face (one end face in bolt head and bolt tail) for the bolt of embodiment, wherein Fig. 8 (a) is the figure for the end face that identification code is arranged in bolt head, and Fig. 8 (b) is the end face that identification code is arranged in bolt tail Figure.
Fig. 9 is the bolt for being different from one end face in identification code place for indicating first embodiment of the invention to sixth embodiment Another end face an example schematic diagram.
Figure 10 is the spiral shell for being different from one end face in identification code place for indicating first embodiment of the invention to sixth embodiment The schematic diagram of another example of another end face of bolt.
Figure 11 (a) and Figure 11 (b) is to indicate that first embodiment of the invention is different from where identification code to sixth embodiment The schematic diagram of another example of another end face of the bolt of one end face, wherein Figure 11 (a) is that another end face is bolt The figure of the end face on head, Figure 11 (b) are the figures for the end face that another end face is bolt tail.
Figure 12 (a) to Figure 12 (c) is the figure for indicating load detection device of the invention, wherein Figure 12 (a) is of the invention The exploded perspective view of load detection device, Figure 12 (b) are the solids with the load detection device of external thread type ultrasonic probe Figure, Figure 12 (c) is the perspective view with the load detection device of I.S.S ultrasonic probe.
Figure 13 is to indicate that the traffic light system of an example of the prompt part used as load detection device of the invention is to be measured The figure for the loaded-up condition that fixed adaptation bolt (non-standard bolt that can directly install load detection device additional) is born.
(symbol description)
100 bolt standard components
110 bolt heads
120 bolt tails
130 threaded shanks
131 external thread parts
132 fixed parts
100A~100F bolt (non-standard bolt)
110A~110F bolt head
111D internal thread hole
112D internal thread part
113E stud portion
114E external thread part
115F internal thread hole
116F internal thread part
120A~120F bolt tail
121A, 121B rounding prismoid section
122A stud portion
123A external thread part
124B internal thread hole
125B internal thread part
130A~130F threaded shank
131A~131F external thread part
133C installation uses external thread part
The identification part 140A~140F
The vertical corners of 150A~150F tri-
The orthogonal face 151A~151F, 152A~152F, 153A~153F
200 nut standard components
300 load detection devices
310 cover pieces
311 switch members
312 communication modules
313 prompt parts
320 shells
321 mainboards
321a controls chip
321b power module
330 ultrasonic probes
340 sealing rings.
Specific embodiment
Hereinafter, referring to Fig. 2 (a), Fig. 2 (b), Fig. 3 (a), Fig. 3 (b), Fig. 4 (a), Fig. 4 (b), Fig. 5 (a), Fig. 5 (b), Fig. 6 (a), Fig. 6 (b), Fig. 7 (a), Fig. 7 (b), the bolt standard component 10 of the prior art in conjunction with shown in Fig. 1 (a), Fig. 1 (b), to this hair The non-standard bolt 100A, 100B that can directly install load detection device additional of bright first embodiment~sixth embodiment, 100C, 100D, 100E, 100F are described in detail.
(the bolt standard component 100 of the prior art)
Fig. 1 (a) is the schematic diagram for indicating the bolt standard component 100 of the prior art, and Fig. 1 (b) is the spiral shell for indicating the prior art Bolt standard component 100 and nut standard component 200 screw togather after state schematic diagram.
As shown in Fig. 1 (a), the bolt standard component 100 of the prior art includes bolt head 110, bolt tail 120 and screw rod Portion 130.
In the bolt standard component 100 shown in Fig. 1 (a), bolt head 110 is for example formed as hexagon, as routine Bolt use.In addition, bolt head 110 can also be formed as rounding taper type, used as dormant bolt.
In the rounding frustum shape thin for example formed as tail portion of bolt tail 120, to guide bolt 100 to be allowed to and nut 200 screw togather.
Threaded shank 130 is set between bolt head 110 and bolt tail 120, has the outer diameter than bolt head 110 Small and bigger than the outer diameter of bolt tail 120 diameter.
As shown in Fig. 1 (a), being formed in a part by bolt tail 120 of threaded shank 130 has regulation tooth number (first Tooth number) external thread part 131, and as shown in Fig. 1 (b), the thread number (the first tooth number) of external thread part 131 is arranged to compare shape At the thread number of the internal thread part in 200 inner peripheral surface of nut is suitable or mostly a few teeth, nut standard component 200 is screwed on spiral shell as a result, On the entire external thread part 131 of (basic) of the threaded shank 130 of bolt standard component 100.
As shown in Fig. 1 (a), the length of the fixed part 132 other than the external thread part 131 of threaded shank 130 is arranged to and quilt The thickness of fixing piece (not shown) is suitable, can prevent fixture in the bolt head 110 and spiral shell of bolt standard component 100 as a result, It is shaken between mother 200.
(the bolt 100A of first embodiment)
Fig. 2 (a) is to indicate that the bolt 100A of first embodiment of the invention (can directly install the non-standard of load detection device additional Bolt) schematic diagram, Fig. 2 (b) is to be equipped with load detection after the bolt 100A for indicating for nut 200 to be screwed into first embodiment to set The schematic diagram of standby 300 state.
Bolt standard component 100 in the bolt 100A of first embodiment of the invention, as shown in Fig. 2 (a), with the prior art Similarly, including bolt head 110A, bolt tail 120A and threaded shank 130A.Bolt tail 120A is depended in threaded shank 130A A part be formed with the external thread part with regulation tooth number (the first tooth number) of the external thread part 131 for being equivalent to bolt standard component 131A。
In addition, in the bolt 100A of the present embodiment and bolt 100B~100F of subsequent each embodiment, unless otherwise Refer to that there is 100 basically same structure of bolt standard component with the prior art.
In the bolt 100A of first embodiment, bolt tail 120A is for example including rounding prismoid section 121A and stud portion 122A。
The rounding prismoid section 121A is gradually narrowed to from first diameter (suitable with the diameter of the threaded shank 130A) Two diameters.
The stud portion 122A has second diameter, and protruding to the outside from the rounding prismoid section 121A.Described It is carved on stud portion 122A and internal thread part (I.S.S ultrasonic probe) possessed by load detection device 300 to be installed additional Tooth number is suitable or the installation external thread part 123A of the tooth number of mostly a few teeth.
As shown in Fig. 2 (b), by making internal thread part (I.S.S ultrasonic wave possessed by aftermentioned load detection device 300 Probe) it is screwed togather with the installation at the stud portion 122A for being formed in bolt tail 120A of bolt 100A with external thread part 123A, from Without carrying out any processing, just aftermentioned load detection device 300 can be installed on bolt 100A.
It is constituted according to as described above, can utilize aftermentioned load detection device 300 from the side bolt tail 120A to effect It is detected in the load of bolt 100A.
In addition, adding due to forming stud portion 122A in the bolt tail 120A of bolt 100A and being formed on stud portion 122A Dress external thread part 123A, therefore, such technical effect that has that the processing is simple.Further, since the rigidity and spiral shell of bolt 100A The rigid phase of bolt standard component 100 is worked as, and therefore, bolt performance will not be made to be affected.
Further, since the bolt head 110A of bolt 100A can be formed as rounding taper type, and therefore, the spiral shell of the present embodiment Bolt 100A can be used as dormant bolt.
(the bolt 100B of second embodiment)
Fig. 3 (a) is to indicate that the bolt 100B of second embodiment of the invention (can directly install the non-standard of load detection device additional Bolt) schematic diagram, Fig. 3 (b) is to be equipped with load detection after the bolt 100B for indicating for nut 200 to be screwed into second embodiment to set The schematic diagram of standby 300 state.
Bolt standard component 100 in the bolt 100B of second embodiment of the invention, as shown in Fig. 3 (a), with the prior art Similarly, including bolt head 110B, bolt tail 120B and threaded shank 130B.Bolt tail 120B is depended in threaded shank 130B A part be formed with the external thread part with regulation tooth number (the first tooth number) of the external thread part 131 for being equivalent to bolt standard component 131B。
In the bolt 100B of second embodiment, bolt tail 120B is for example including rounding prismoid section 121B and internal thread hole 124B。
The rounding prismoid section 121B is gradually narrowed to from first diameter (suitable with the diameter of the threaded shank 130B) Two diameters.
As shown in Fig. 3 (a), the internal thread hole 124B is internally opened up from the end face of the rounding prismoid section 121B, and With the third diameter smaller than second diameter, and.It is carved on the internal thread hole 124B and is set with load to be installed additional detection The tooth number of external thread part (external thread type ultrasonic probe) possessed by standby 300 is suitable or the interior spiral shell of installation of the tooth number of mostly a few teeth Line portion 125B.
As shown in Fig. 3 (b), by making external thread part (external thread type ultrasonic wave possessed by aftermentioned load detection device 300 Probe) it is screwed togather with the installation in the internal thread hole 124B for being formed in bolt tail 120B of bolt 100B with internal thread part 125B, Without carrying out any processing, just aftermentioned load detection device 300 can be installed on bolt 100B.
It is constituted according to as described above, can utilize aftermentioned load detection device 300 from the side bolt tail 120B to effect It is detected in the load of bolt 100B.
In addition, since the bolt tail 120B in bolt 100B opens up internal thread hole 124B, compared to bolt standard The weight of part 100, bolt 100B is mitigated, and therefore, has light-weighted technical effect.
Further, since the bolt head 110B of bolt 100B can be formed as rounding taper type, and therefore, the spiral shell of the present embodiment Bolt 100B can be used as dormant bolt.
(the bolt 100C of 3rd embodiment)
Fig. 4 (a) is to indicate that the bolt 100C of third embodiment of the invention (can directly install the non-standard of load detection device additional Bolt) schematic diagram, Fig. 4 (b) is to be equipped with load detection after the bolt 100C for indicating for nut 200 to be screwed into 3rd embodiment to set The schematic diagram of standby 300 state.
Bolt standard component 100 in the bolt 100C of third embodiment of the invention, as shown in Fig. 4 (a), with the prior art Similarly, including bolt head 110C, bolt tail 120C and threaded shank 130C.Bolt tail 120C is depended in threaded shank 130C A part be formed with the external thread part with regulation tooth number (the first tooth number) of the external thread part 131 for being equivalent to bolt standard component 131C。
In conjunction with comparison diagram 4 (a) and Fig. 1 (a), in the bolt 100C of 3rd embodiment, in addition to shape on threaded shank 130C Except the external thread part 131C with regulation tooth number (the first tooth number), the installation external thread part with the second tooth number is also formed 133C, above-mentioned external thread part 131C and installation collectively form the external screw thread for being formed in above-mentioned threaded shank 130C with external thread part 133C Portion.
As shown in Fig. 4 (b), the thread number setting of external thread part (external thread part 131C+, which is installed additional, uses external thread part 133C) At with possessed by the thread number and load detection device 300 to be installed additional of the internal thread part for being formed in 200 inner peripheral surface of nut The suitable or mostly a few tooth of the sum of the tooth number of internal thread part (I.S.S ultrasonic probe).Whereby, nut standard component 200 is screwed on spiral shell On the external thread part 131C of a part of the threaded shank 130C of bolt standard component 100C, load detection device 300 to be installed additional is screwed togather On the external thread part 131C of residue a part of the threaded shank 130C of bolt standard component 100C.
As shown in Fig. 4 (b), by making internal thread part (I.S.S ultrasonic wave possessed by aftermentioned load detection device 300 Probe) it is screwed togather with the external thread part 131C being formed at threaded shank 130C of bolt 100C, without any processing of progress, just Aftermentioned load detection device 300 can be installed on bolt 100C.
It is constituted according to as described above, can utilize aftermentioned load detection device 300 from the side bolt tail 120C to effect It is detected in the load of bolt 100C.
In addition, due to the tooth number for the external thread part 131C that need to only increase threaded shank 130C in bolt 100C, have The more simple such technical effect of processing.Further, since the rigidity of bolt 100C and the rigid phase of bolt standard component 100 are worked as, Therefore, bolt performance will not be made to be affected.
Further, since the bolt head 110C of bolt 100C can be formed as rounding taper type, and therefore, the spiral shell of the present embodiment Bolt 100C can be used as dormant bolt.
(the bolt 100D of fourth embodiment)
Fig. 5 (a) is to indicate that the bolt 100D of fourth embodiment of the invention (can directly install the non-standard of load detection device additional Bolt) schematic diagram, Fig. 5 (b) is to be equipped with load detection after the bolt 100D for indicating for nut 200 to be screwed into fourth embodiment to set The schematic diagram of standby 300 state.
Bolt standard component 100 in the bolt 100D of fourth embodiment of the invention, as shown in Fig. 5 (a), with the prior art Similarly, including bolt head 110D, bolt tail 120D and threaded shank 130D.Bolt tail 120D is depended in threaded shank 130D A part be formed with the external thread part with regulation tooth number (the first tooth number) of the external thread part 131 for being equivalent to bolt standard component 131D。
In the bolt 100D of fourth embodiment, as shown in Fig. 5 (a), bolt head 110D for example formed as hexagon, It is used as conventional bolt.In addition, bolt head 110D can also be formed as rounding taper type, used as dormant bolt.
As shown in Fig. 5 (a), internal thread hole 111D is internally offered from the end face of the bolt head 110D, the interior spiral shell Pit 111D has the diameter (internal diameter) smaller than the outer diameter of the bolt head 110D.Be carved on the internal thread hole 111D with The tooth number of external thread part possessed by load detection device 300 to be installed additional (external thread type ultrasonic probe) is suitable or mostly a few teeth Tooth number installation internal thread part 112D.
As shown in Fig. 5 (b), by making external thread part (external thread type ultrasonic wave possessed by aftermentioned load detection device 300 Probe) it is screwed togather with the installation in the internal thread hole 111D for being formed in bolt head 110D of bolt 100D with internal thread part 112D, Without carrying out any processing, just aftermentioned load detection device 300 can be installed on bolt 100D.
It is constituted according to as described above, can utilize aftermentioned load detection device 300 from the side bolt head 110D to effect It is detected in the load of bolt 100D.
In addition, since the bolt head 110D in bolt 100D opens up internal thread hole 111D, compared to bolt standard The weight of part 100, bolt 100D is mitigated, and therefore, has light-weighted technical effect.
Further, since the bolt head 110D of bolt 100D can be formed as rounding taper type, and therefore, the spiral shell of the present embodiment Bolt 100D can be used as dormant bolt.
(the bolt 100E of the 5th embodiment)
Fig. 6 (a) is to indicate that the bolt 100E of fifth embodiment of the invention (can directly install the non-standard of load detection device additional Bolt) schematic diagram, Fig. 6 (b) is to be equipped with load detection after the bolt 100E for indicating for nut 200 to be screwed into the 5th embodiment to set The schematic diagram of standby 300 state.
Bolt standard component 100 in the bolt 100E of fifth embodiment of the invention, as shown in Fig. 6 (a), with the prior art Similarly, including bolt head 110E, bolt tail 120E and threaded shank 130E.Bolt tail 120E is depended in threaded shank 130E A part be formed with the external thread part with regulation tooth number (the first tooth number) of the external thread part 131 for being equivalent to bolt standard component 131E。
In the bolt 100E of the 5th embodiment, as shown in Fig. 6 (a), bolt head 110E for example formed as hexagon, It is used as conventional bolt.
It is formed with stud portion 113E in bolt head 110E, the stud portion 113E has than the bolt head 110E's The small diameter of outer diameter (outer diameter), and it is protruding to the outside from the bolt head 110E.Be carved on the stud portion 113E with The tooth number of internal thread part possessed by load detection device 300 to be installed additional (I.S.S ultrasonic probe) is suitable or mostly a few teeth Tooth number installation external thread part 114E.
As shown in Fig. 6 (b), by making internal thread part (I.S.S ultrasonic wave possessed by aftermentioned load detection device 300 Probe) it is screwed togather with the installation at the stud portion 113E for being formed in bolt head 110E of bolt 100E with external thread part 114E, from Without carrying out any processing, just aftermentioned load detection device 300 can be installed on bolt 100E.
It is constituted according to as described above, can utilize aftermentioned load detection device 300 from the side bolt head 110E to effect It is detected in the load of bolt 100E.
In addition, since the rigidity of bolt 100E and the rigid phase of bolt standard component 100 are worked as, bolt performance will not be made It is affected.
(the bolt 100F of sixth embodiment)
Fig. 7 (a) is to indicate that the bolt 100F of sixth embodiment of the invention (can directly install the non-standard of load detection device additional Bolt) schematic diagram, Fig. 7 (b) is to be equipped with load detection after the bolt 100F for indicating for nut 200 to be screwed into sixth embodiment to set The schematic diagram of standby 300 state.
Bolt standard component 100 in the bolt 100F of sixth embodiment of the invention, as shown in Fig. 7 (a), with the prior art Similarly, including bolt head 110F, bolt tail 120F and threaded shank 130F.Bolt tail 120F is depended in threaded shank 130F A part be formed with the external thread part with regulation tooth number (the first tooth number) of the external thread part 131 for being equivalent to bolt standard component 131F。
In the bolt 100F of sixth embodiment, as shown in Fig. 7 (a), bolt head 110F for example formed as hexagon, It is used as conventional bolt.
As shown in Fig. 7 (a), it is formed with stud portion 113F in bolt head 110F, the stud portion 113F has than described The small diameter of the outer diameter of bolt head 110F (outer diameter), and it is protruding to the outside from the bolt head 110F.From the stud The end face of portion 113F internally offers internal thread hole 115F, and internal thread hole 115F has the outer diameter than the stud portion 113F Small diameter (internal diameter).It is carved on the internal thread hole 115F and outer spiral shell possessed by load detection device 300 to be installed additional The tooth number in line portion (external thread type ultrasonic probe) is suitable or the installation internal thread part 116F of the tooth number of mostly a few teeth.
As shown in Fig. 7 (b), by making internal thread part (I.S.S ultrasonic wave possessed by aftermentioned load detection device 300 Probe) with the installation internal screw thread in the internal thread hole 115F of the stud portion 113F for being formed in bolt head 110F of bolt 100F Portion 116F is screwed togather, and without carrying out any processing, just aftermentioned load detection device 300 can be installed on bolt 100F.
It is constituted according to as described above, can utilize aftermentioned load detection device 300 from the side bolt head 110F to effect It is detected in the load of bolt 100F.
In addition, since the rigidity of bolt 100F and the rigid phase of bolt standard component 100 are worked as, bolt performance will not be made It is affected.
<each end surface shape of first embodiment~sixth embodiment bolt 100A~100F>
First embodiment of the invention~sixth embodiment bolt 100A~100F without in advance carry out by bolt 100A~ Two end faces of 100F polish such processing, can directly install load detection device 300 additional.
For this reason, it may be necessary to by the bolt head 110A of first embodiment of the invention~sixth embodiment bolt 100A~100F An end face in the end face of~110F and the end face of bolt tail 120A~120B is formed as flat surface, another end face is formed For the face (ultrasonic reflections face) that can be reflected ultrasonic wave, thereby, it is possible to straight using another end face (ultrasonic reflections face) Connect implementation ultrasound examination.
In addition, in the present invention, in order to make different types of bolt 100A~100F be adapted to different types of load detection The ultrasonic probe 330 of equipment 300, needs to be arranged identification code 140A~140F.
As shown in Fig. 8 (a), it is real that identification code 140A~140F can be disposed at the present invention first shown in Fig. 2 (a) to Fig. 7 (a) Apply example to sixth embodiment bolt 100A~100F such as bolt head 110A~110F flat surface (with ultrasonic reflections The end face of face (i.e. the face of bolt tail) opposite side).
Alternatively, can also be as shown in Fig. 8 (b), identification code 140A~140F also can be disposed at Fig. 2 (a) to Fig. 7 (a) Shown in first embodiment of the invention to sixth embodiment bolt 100A~100F bolt tail 120A~120F it is flat Face (end face with ultrasonic reflections face (i.e. the face of bolt head) opposite side).
In addition, as production ultrasonic reflections face concrete mode, referring to Fig. 9, Figure 10 and Figure 11 (a), Figure 11 (b) into Row explanation.
(plane)
As shown in figure 9, above-mentioned ultrasonic reflections face is formed as planar, wherein as end face, the ultrasonic reflections face Requirement with verticality.For example, in Fig. 9, it is desirable that be | ┴ | 0.025 | A |, that is, on the basis of the A of cylindrical surface, arrow is signified Plane is not more than 0.025 perpendicular to the error amount of datum level A.
But bolt arrangement, the i.e. ultrasonic reflections face that the end face at both ends is plane is planar bolt arrangement Being capable of measuring bolt 100A~100F does not have the receiving load of bending deformation, is not capable of measuring bolt 100A~100F but and bends change Receiving load after shape.
That is, ultrasonic wave is (non-from an end face in the case where bolt 100A~100F does not have bending deformation " ultrasonic reflections face ") bolt entity is passed into, another end face, i.e. ultrasonic reflections face are reached, planar by this Ultrasonic reflections face reflection after, ultrasonic wave is reflected according to the direction opposite with incident direction.On the other hand, in bolt 100A After~100F occurs bending and deformation, since ultrasonic reflections face is not vertical with the incident direction of ultrasonic wave, it is thus impossible to ultrasound Wave is reflected, and the receiving load after bolt 100A~100F occurs bending and deformation cannot be also measured.
In addition, as shown in figure 9, (planar) ultrasonic reflections face either bolt 100A~100F bolt head The end face of 110A~110F is also possible to the end face of bolt tail 120A~120F of bolt 100A~100F.
(three vertical corners)
As shown in Figure 10, three vertical corners 150A~150F are formed on above-mentioned ultrasonic reflections face.It is so-called that " three hang down Straight corner angle portion 150A~150F ", refer to by three orthogonal face 151A~151F, 152A~152F, 153A~153F that Corners made of this intersection.In other words, " three vertical corner angle " are equivalent to from " right-angle prismatic column (cuboid, square Deng) " corner cutting.
Either bolt 100A~100F does not have the case where bending deformation or bolt 100A~100F to occur bending and deformation Situation afterwards, above-mentioned ultrasonic wave are passing into bolt entity from an end face (non-" ultrasonic reflections face "), are reaching another End face, i.e. ultrasonic reflections face, the three vertical corners 150A that ultrasonic wave is formed on the ultrasonic reflections face in process~ The orthogonal face 151A~151F of three of 150F, 152A~152F, 153A~153F reflection after, can according to incidence Contrary direction reflects.
In this way, it is on the one hand no longer needed as Fig. 9 for the ultrasonic reflections face of bolt 100A~100F There is very high verticality requirement on the other hand, also can be effectively even if bolt 100A~100F is bent by stress Measure the receiving load after bolt 100A~100F occurs bending and deformation.
In addition, in fig. 10, it is illustrated that be ultrasonic reflections face be located at the bolt head 110A of bolt 100A~100F~ 110F, flat surface is located at bolt tail 120A~120F of bolt 100A~100F, but the present invention is not limited to this, is also possible to Ultrasonic reflections face is located at bolt tail 120A~120F of bolt 100A~100F, and flat surface is located at bolt 100A~100F's Bolt head 110A~110F.
(dome shape)
As shown in Figure 11 (a), Figure 11 (b), above-mentioned ultrasonic reflections face is formed as into dome shape.Figure 11 (a) is ultrasonic wave Reflecting surface is the figure of the end face of bolt head 110A~110F of bolt 100A~100F, and Figure 11 (b) is that ultrasonic reflections face is The figure of the end face of bolt tail 120A~120F of bolt 100A~100F.
Either bolt 100A~100F does not have the case where bending deformation or bolt 100A~100F to occur bending and deformation Situation afterwards, above-mentioned ultrasonic wave are passing into bolt entity from an end face (non-" ultrasonic reflections face "), are reaching another End face, i.e. ultrasonic reflections face.Since no matter bolt 100A~100F bending deformation is to which kind of degree, the ultrasonic wave of dome shape is anti- Penetrating face always has (opposite) point identical as the incident direction of ultrasonic wave, can make inject ultrasonic wave according to incident direction phase Anti- direction reflects.
In this way, it is on the one hand no longer needed as Fig. 9 for the ultrasonic reflections face of bolt 100A~100F There is very high verticality requirement on the other hand, also can be effectively even if bolt 100A~100F is bent by stress Measure the receiving load after bolt 100A~100F occurs bending and deformation.
Then, referring to Fig.1 2 (a) to Figure 12 (c) to being adapted to non-standard bolt (bolt 100A~100F) of the invention The structure of load detection device 300 of the invention is illustrated.Figure 12 (a) to Figure 12 (c) is to indicate load detection of the invention The figure of equipment 300, wherein Figure 12 (a) is the exploded perspective view of load detection device 300 of the invention, and Figure 12 (b) is outside having The perspective view of the load detection device 300 of screw-type ultrasonic probe, Figure 12 (c) are the loads with I.S.S ultrasonic probe The perspective view of lotus detection device 300.
(overall structure of load detection device 300)
Load detection device 300 of the invention is non-standard bolt (bolt 100A~100F) diameter dimension than being adapted to Slightly larger device, the two are closely sized to.
As shown in Figure 12 (a), above-mentioned load detection device 300 includes: cover piece 310, shell 320 and ultrasonic probe 330。
Above-mentioned cover piece 310 is the component for the shell 320 of 300 main part of load detection device will be used as to cover, Switch member 311, communication module 312 and prompt part 313 are provided on the cover piece 310.
Above-mentioned switch member 311 is, for example, common switch button, for starting or stopping above-mentioned load detection device 300 Operating.
Above-mentioned communication module 312 be, for example, Wi-Fi module, for client receiving end (such as laptop or dress Have the mobile phone etc. of APP) carry out signal transmission.But the present invention is not limited to this, can also be logical using other any suitable industry Believe module etc., such as technology of Internet of things.
Above-mentioned prompt part 313 is, for example, the display module (liquid crystal display) that different conditions can be shown with different colours.But this Invention is also not limited to this, and the tool of the content or borne load that indicate different conditions can also be shown on liquid crystal display Body numerical value.
It is configured with mainboard 321 in above-mentioned shell 320, is provided with control in a manner of integrated or non-integration in mainboard 321 Coremaking piece 321a and power module 321b.By above-mentioned mainboard 321, to receiving load received by load detection device 300 It is controlled and is handled.
More specifically, instruction is sent by control chip 321a, makes the ultrasonic probe 330 being described in detail below to spiral shell Bolt 100A~100F emits ultrasonic wave.Ultrasonic probe 330 is being received since another end face of bolt 100A~100F After the echo in (ultrasonic reflections face), the time difference between ultrasonic wave transmitting and ultrasonic echo is fed back into control chip 321a. Control chip 321a according in it logical algorithm, based on ultrasonic wave transmitting ultrasonic echo between time difference, calculate The extended length of bolt 100A~100F, so that it is obtained across the strain value of bolt 100A~100F of fixture, and then To the receiving load of bolt 100A~100F.
In addition to this, using control chip 321a, above-mentioned prompt part is made to prompt the mark being consistent with load bearing state Know, such as color, label and the mode of display lamp corresponding with load bearing state, or display is load bearing specific Numerical value.
In addition, above-mentioned control chip 321a also stores the receiving load of bolt 100A~100F of real-time detection.
Above-mentioned power module 321b is also possible to the power interface of external either built-in power interface, leads to It crosses and is set to internal or external power supply and connect, to the power supply of above-mentioned mainboard 321.
Above-mentioned ultrasonic probe 330 is the component for issuing ultrasonic wave, is set to one opposite with cover piece 310 of shell 320 Side.Above-mentioned ultrasonic probe 330 has two kinds of configurations of I.S.S shown in external thread type shown in Figure 12 (b) and Figure 12 (c), It is mounted in adaptation bolt to be determined (non-standard bolt, bolt 100A~100F or like parts).
When by above-mentioned ultrasonic probe 330 with being adapted to bolt (bolt 100A~100F) and screwing togather, between both It is provided with sealing ring 340, above-mentioned sealing ring 340, which primarily serves, prevents ultrasonic wave-coupled agent to be lost and realize the effect of locking.
Hereinafter, referring to Fig.1 3 and table 1, information suggested by the prompt part 313 to load detection device 300 is illustrated. Figure 13 is the display module (liquid crystal display) for indicating an example of the prompt part 313 used as load detection device 300 of the invention Show the figure for the loaded-up condition that adaptation bolt to be determined (bolt 100A~100F) is born.
Above-mentioned prompt part 313 is able to use multiple and different color and the multiple and different state of different action prompts.
Here, column cite an actual example and are illustrated.
In this example, by the loaded-up condition of bolt 100A~100F be divided into " zero point ", " lower than pretightning force (installation) ", " (pretightning force) in the range of pretightning force ", " being higher than pretightning force (work) ", " surpass " more than the bearing load (overload) of bolt " Cross the bearing load 15% (early warning fracture) of bolt ", " fracture " such seven states.But the present invention is not limited to this, can According to the actual situation, the different conditions to be prompted are set.
Prompt part 313, i.e. liquid crystal display in this example shows three kinds of labels (the first label, the second label, third mark Note), three kinds of colors (the first color, the second color, third color) and both of which (first mode, second mode).
What above-mentioned first label (such as circle) and the second label (such as sun label) indicated is bolt to be determined 100A~100F is not yet broken, and what third marked (such as cross) expression is that bolt 100A~100F to be determined has been broken. By using be different from the first label and second label third label, can clearly prompt bolt 100A to be determined~ The available mode of 100F.
Above-mentioned first color be, for example, green, expression be bolt " zero point " in a safe condition and " be lower than pretightning force The state of (installation) ".
Above-mentioned second color is, for example, yellow, and expression is that bolt is in and need to pay close attention to state " in the range of pretightning force The state of (pretightning force) " and " being higher than pretightning force (work) ".
Above-mentioned third color is, for example, red, and expression is that bolt is in the hole " more than the bearing load of bolt The state of (overload) ", " more than the bearing load 15% (early warning fracture) of bolt " and " fracture ".In both of which, First mode is, for example, to be always on mode, and second mode is, for example, flash pattern.
Information shown in following tables 1 is shown in Figure 13 with the linear model quantified.
Information suggested by 1 load detection device 300 of table
In the following, being illustrated to the operating method of load detection device 300 of the invention:
1) firstly, the screw thread side bottom coating sealing coupling of the ultrasonic probe 330 in load detection device 300 of the invention Mixture, then configure sealing ring 340, and be gently screwed into (not being " tightening ") non-standard bolt of the invention (bolt 100A~ Screw thread 100F);
2) part 311 is turned on the switch, and is connect by communication module 312 (Wi-Fi) with client receiving end;
3) using cell phone application scan setting in identification code (two dimensional code or bar code) 140A on bolt 100A~100F~ 140F, or by the information input APP or laptop of bolt 100A~100F, to identify bolt 100A~100F;
4) " zero " is clicked on APP or laptop, at this point, indicating the green circle (first being always on of " zero point " Mode, the first color, the first label) it lights, or directly display bolt load (being reset as 0 at this time);
5) " detection " is clicked on APP or laptop, realizes detection automatically, storage, uploads and preceding data are installed, this When, data are uploaded to APP or laptop;
6) screw bolt and nut is installed, pretightning force is reached, at this point, indicating the yellow circle being always on of " in the range of pretightning force " Circle (first mode, the second color, the first label) lights;
7) tested, Aircraft Flight Test or other need to detect the event of load;
8) after the completion of detecting work, stop detection, standby or closing power supply.
In addition, all initial data are stored in chip after the completion of detecting work, smart machine can be removed, It can retain, not influence the detection of next time.
It is the process of one-time detection above, non-standard bolt 100A~100F and load detection device according to the present invention 300, real-time Infinite Auto time detection may be implemented, can be implemented under detected component motion conditions, for example install In the process, during testing or flight course etc..
Non-standard bolt according to the present invention can be realized by improving head or the tail shape of standard bolt in spiral shell Bolt 100A~100F is upper directly to install load detection device 300 additional, without carrying out any working process before installation.In addition, making An end face in the bolt head 110A~110F and bolt tail 120A~120F of bolt 100A~100F is made to pass The face (flat surface) of ultrasonic wave is passed, another end face is made to the face (ultrasonic reflections face) reflected ultrasonic wave, to realize The load of real-time detection bolt 100A~100F, and detection can be completed under motion state.
In addition, being needed load detection device 300 firmly to realize function that is automatic in real time, detecting for a long time, automatically Be fixed on bolt 100A~100F, according to the thread type of load detection device 300, after configuring sealing ring 340, be mounted on On the non-standard bolt of corresponding thread type.Above-mentioned sealing ring 340 can both prevent ultrasonic wave-coupled agent to be lost, and can also rise To the effect of locking, prevent from falling under vibration.
In addition, the institute that load detection device 300 of the invention is integrated with ultrasound measuring instrument is functional, and size is than previous Ultrasound measuring instrument it is smaller (suitable with the size of bolt), and can be fixed on tested part.In addition, with control chip 321a (algorithm for including load), can prompt load condition, and can be realized the function with the wireless transmission of user receiving end.
Those skilled in the art will be readily apparent other advantage and modification.Therefore, on its is wider range of, The invention is not limited to detail shown and described herein and representative embodiments.Therefore, can not depart from as Modification is made under the premise of the spirit or scope of general inventive concept defined by the appended claims and its equivalent.

Claims (11)

1. a kind of non-standard bolt that can directly install load detection device (300) additional, including bolt head (110A~110F), spiral shell Bolt tail portion (120A~120F) and it is set to the bolt head (110A~110F) and the bolt tail (120A~120F) Between threaded shank (130A~130F),
Being formed in a part by bolt tail (120A~120F) of threaded shank (130A~130F) has the outer of the first tooth number Threaded portion (131A~131F),
It is characterized in that,
One in the end face of the bolt head (110A~110F) and the end face of the bolt tail (120A~120F) sets The ultrasonic reflections that the ultrasonic wave that being set to can make to inject the non-standard bolt is reflected according to the direction opposite with incident direction Face,
The non-standard bolt is in the bolt head (110D~110F), the bolt tail (120A, 120B) or the spiral shell Bar portion (130C) is formed with the installation external thread part for being different from the external thread part (131A~131F) with the first tooth number (123A, 133C, 114E) or installation use internal thread part (125B, 112D, 116F),
Described install additional can be for institute with internal thread part (125B, 112D, 116F) with external thread part (123A, 133C, 114E) or installation State load detection device (300) installation.
2. can directly install the non-standard bolt of load detection device (300) additional as described in claim 1, which is characterized in that
The bolt tail (120A) of the non-standard bolt includes the rounding frustum from first diameter undergauge to second diameter Portion (121A) and stud portion (122A) with second diameter,
The installation is engraved on the stud portion (122A) with external thread part (123A).
3. can directly install the non-standard bolt of load detection device (300) additional as described in claim 1, which is characterized in that
The bolt tail (120B) of the non-standard bolt includes the rounding frustum from first diameter undergauge to second diameter Portion (121B) and internal thread hole (124B),
The internal thread hole (124B) internally opens up from the end face of the rounding prismoid section (121B), and has than described second The small third diameter of diameter,
The installation is engraved in the internal thread hole (124B) with internal thread part (123B).
4. can directly install the non-standard bolt of load detection device (300) additional as described in claim 1, which is characterized in that
The installation external thread part (133C) with the second tooth number is also carved on the threaded shank (130),
The external thread part (131C) and the installation are collectively formed with external thread part (133C) and are formed in the threaded shank The external thread part of (130C),
The thread number for being formed in the external thread part of the threaded shank (130C) is arranged to and is formed in nut (200) inner peripheral surface The sum of the thread number of internal thread part possessed by the thread number of internal thread part and load detection device (300) to be installed additional phase When or mostly a few teeth.
5. can directly install the non-standard bolt of load detection device (300) additional as described in claim 1, which is characterized in that
Internal thread hole (111D) is internally offered from the end face of the bolt head (110D) of the non-standard bolt, this is interior Threaded hole (111D) has the diameter smaller than the outer diameter of the bolt head (110D),
The installation is engraved in the internal thread hole (111D) with internal thread part (112D).
6. can directly install the non-standard bolt of load detection device (300) additional as described in claim 1, which is characterized in that
It is formed with stud portion (113E) in the end face of the bolt head (110E) of the non-standard bolt, the stud portion (113E) has the diameter smaller than the outer diameter of the bolt head (110E), and prominent from the bolt head (110E) to outside Out,
The installation is engraved on the stud portion (113E) with external thread part (114E).
7. can directly install the non-standard bolt of load detection device (300) additional as described in claim 1, which is characterized in that
It is formed with stud portion (113F) in the end face of the bolt head (110F) of the non-standard bolt, the stud portion (113F) has the diameter smaller than the outer diameter of the bolt head (110F), and prominent from the bolt head (110F) to outside Out,
Internally offer internal thread hole (115F) from the end face of the stud portion (113F), the internal thread hole (115F) have than The small diameter of the diameter of the stud portion (113F),
The installation is engraved in the internal thread hole (115F) with internal thread part (116F).
8. the non-standard bolt that can directly install load detection device (300) additional as described in any one of claims 1 to 7, It is characterized in that,
The ultrasonic reflections face is formed as planar.
9. can directly install the non-standard bolt of load detection device (300) additional as claimed in claim 8, which is characterized in that
The ultrasonic reflections face is not more than 0.025 perpendicular to the error amount of threaded shank.
10. the non-standard bolt that can directly install load detection device (300) additional as described in any one of claims 1 to 7, It is characterized in that,
Be formed on the ultrasonic reflections face by three orthogonal faces (151A~151F, 152A~152F, 153A~ Three vertical corners made of 153F) intersecting with each other.
11. the non-standard bolt that can directly install load detection device (300) additional as described in any one of claims 1 to 7, It is characterized in that,
The ultrasonic reflections face is formed as dome shape.
CN201811175554.XA 2018-10-10 2018-10-10 The non-standard bolt of load detection device can directly be installed additional Pending CN109139654A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0371579A2 (en) * 1988-12-01 1990-06-06 Pac-Fasteners Nut and stud assembly
CN1060526A (en) * 1990-08-27 1992-04-22 伊安·E·基布尔怀特 Ultrasonic load indicating member with sensor
CN202690668U (en) * 2012-06-21 2013-01-23 昆山神昌精密金属制品有限公司 Bolt component
CN105424481A (en) * 2015-12-28 2016-03-23 江苏格纳特连接系统有限公司 Threaded fastener guarantee load testing apparatus and testing method thereof
CN105508384A (en) * 2016-01-11 2016-04-20 太仓市德浩紧固件有限公司 Multipurpose double-ended fastening bolt
CN106153735A (en) * 2016-06-21 2016-11-23 中国飞机强度研究所 A kind of fatigue crack manual simulation method of bolt reference block
CN107621361A (en) * 2017-08-02 2018-01-23 大连理工大学 A kind of closed loop control method that testing machine is released based on accurate control bolt transverse load
CN207740323U (en) * 2018-01-17 2018-08-17 江苏雅固标准件有限公司 A kind of adjustable modified bolt
CN207892966U (en) * 2018-01-23 2018-09-21 中国葛洲坝集团机械船舶有限公司 Readily removable articulation fitting-up bolt

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0371579A2 (en) * 1988-12-01 1990-06-06 Pac-Fasteners Nut and stud assembly
CN1060526A (en) * 1990-08-27 1992-04-22 伊安·E·基布尔怀特 Ultrasonic load indicating member with sensor
CN202690668U (en) * 2012-06-21 2013-01-23 昆山神昌精密金属制品有限公司 Bolt component
CN105424481A (en) * 2015-12-28 2016-03-23 江苏格纳特连接系统有限公司 Threaded fastener guarantee load testing apparatus and testing method thereof
CN105508384A (en) * 2016-01-11 2016-04-20 太仓市德浩紧固件有限公司 Multipurpose double-ended fastening bolt
CN106153735A (en) * 2016-06-21 2016-11-23 中国飞机强度研究所 A kind of fatigue crack manual simulation method of bolt reference block
CN107621361A (en) * 2017-08-02 2018-01-23 大连理工大学 A kind of closed loop control method that testing machine is released based on accurate control bolt transverse load
CN207740323U (en) * 2018-01-17 2018-08-17 江苏雅固标准件有限公司 A kind of adjustable modified bolt
CN207892966U (en) * 2018-01-23 2018-09-21 中国葛洲坝集团机械船舶有限公司 Readily removable articulation fitting-up bolt

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Application publication date: 20190104