CN207742051U - A kind of bending fatigue detection device and bending fatigue detecting system - Google Patents
A kind of bending fatigue detection device and bending fatigue detecting system Download PDFInfo
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- CN207742051U CN207742051U CN201820087271.9U CN201820087271U CN207742051U CN 207742051 U CN207742051 U CN 207742051U CN 201820087271 U CN201820087271 U CN 201820087271U CN 207742051 U CN207742051 U CN 207742051U
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- bending arm
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Abstract
The utility model provides a kind of bending fatigue detection device and bending fatigue detecting system, is related to fatigue strength detection technique field.The bending fatigue detection device includes rack, driving motor, link mechanism, bending arm, counter, the first mounting base and the second mounting base.Driving motor is installed in rack, and connect with bending arm by link mechanism, to drive bending arm to swing back and forth, the first mounting base opposite second mounting base can be subjected to displacement under the drive of bending arm, so that pipeline bending, counter is for measuring the number that bending arm swings back and forth.Compared with prior art, bending fatigue detection device described in the utility model is as a result of the link mechanism being connect with bending arm and the counter being installed in rack, so the automation bending to pipeline can be realized, improve detection efficiency, cost of labor is reduced, and can accurately detect the fatigue strength of pipeline.
Description
Technical field
The utility model is related to fatigue strength detection technique field, more particularly to a kind of bending fatigue detection device and folding
Curved fatigue detecting system.
Background technology
In water pipe detection process, usually to carry out a lasting bending link and the anti-fatigue performance of water pipe is tested, by
It is to continue to complete under orderly bending state at one in the fatigue resistance of test water pipe, this allows for needing during the test
The bending counting operation process of one steady ordered.
Inventor is the study found that be usually at present that tester carries out manual bending to water pipe in zero inspection room, this is not only
The whole efficiency of bending test is affected, and increases the labor intensity of tester, simultaneously because manual test action is not
Stablize, count inaccurate, this to test the anti-fatigue performance of outlet pipe, and there may be certain inaccuracies.
Utility model content
In view of this, the utility model is directed to a kind of bending fatigue detection device, water pipe can be rolled over automatically
It is curved, detection efficiency is improved, reduces cost of labor, high degree of automation, testing result is accurate and reliable.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of bending fatigue detection device, the fatigue strength for detecting pipeline, bending fatigue detection device include rack,
Driving motor, link mechanism, bending arm, the first mounting base and the second mounting base, driving motor are installed in rack, and pass through company
Linkage is connect with bending arm, and to drive bending arm to swing back and forth around a center line, center line is set on bending arm, and with folding
The axis of curved boom is vertical, and the first mounting base is installed on bending arm, and the second mounting base is installed in rack, and the first mounting base is used for
The one end of pipe laying, the second mounting base are used for the other end of pipe laying, and the first mounting base can be in the band of bending arm
Dynamic lower opposite second mounting base is subjected to displacement, so that pipeline bending.
Further, link mechanism includes first connecting rod, second connecting rod, third connecting rod and output shaft, driving motor setting
There is arbor, one end of first connecting rod to be connect with arbor, the other end and second connecting rod are hinged, second connecting rod far from first connecting rod one
End is hinged with third connecting rod, and third connecting rod is connect by output shaft with bending arm, and output shaft is installed in rack, and can be opposite
In gantry rotation.
Further, third connecting rod, output shaft and bending arm combine to form U-shaped, and third connecting rod can drive bending arm same
Step rotation.
Further, bending fatigue detection device further includes transmission mechanism, and one end of transmission mechanism is connected with exporting axis, separately
One end is connect with bending arm.
Further, transmission mechanism includes first gear, second gear and transmission shaft, and first gear is sheathed on output shaft
Outside, and with output shaft it is fixedly connected, second gear is sheathed on outside transmission shaft, and is fixedly connected with transmission shaft, transmission shaft and bending
Arm connects, and transmission shaft is installed in rack, and is connect with gantry rotation, and first gear is engaged with second gear.
Further, the diameter of first gear is more than the diameter of second gear.
Further, the first mounting base is provided with first through hole, and the second mounting base is provided with the second through-hole, first through hole and
Second through-hole is used to pass through for pipeline, and first through hole can be coaxial with the second through-hole.
Further, bending fatigue detection device further includes counter, and counter is installed in rack, the position of counter
Corresponding with the extreme position of bending arm, counter is for measuring the number that bending arm swings back and forth.
Further, bending fatigue detection device further includes dial, and dial is installed in rack, and is set to bending
Side of the arm far from the first mounting base.
Compared with the existing technology, bending fatigue detection device described in the utility model has the advantage that：
Bending fatigue detection device described in the utility model, one end of pipeline is installed in the first mounting base, will be managed
The other end in road is installed in the second mounting base, starts driving motor, driving motor rotation drives connecting rod mechanism movement, to band
Dynamic bending arm swings back and forth, so that one end of pipeline, relative to other end zigzag, at the same time, counter metering is rolled over
Curved number, bending times when with pipeline jackknifing or fractureing calculate the fatigue strength of the pipeline.Compared with prior art, this reality
It as a result of the link mechanism being connect with bending arm and is installed in rack with the novel bending fatigue detection device
Counter improve detection efficiency so the automation bending to pipeline can be realized, reduce cost of labor, and can be accurate
Really detect the fatigue strength of pipeline.
The another object of the utility model is to propose a kind of bending fatigue detecting system, can be rolled over automatically to water pipe
It is curved, detection efficiency is improved, reduces cost of labor, high degree of automation, testing result is accurate and reliable, practicality and high efficiency.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of bending fatigue detecting system, including fixing piece and above-mentioned bending fatigue detection device, fixing piece is used for will
Pipeline is fixedly installed in the first mounting base.
Compared with the existing technology, bending fatigue detecting system described in the utility model has the advantage that：
Bending fatigue detecting system described in the utility model, including bending fatigue detection device, simple in structure, Neng Goushi
Now to the automation bending of pipeline, detection efficiency is improved, reduces cost of labor, and can accurately detect the fatigue of pipeline
Intensity, practicality and high efficiency.
The bending fatigue detecting system and above-mentioned bending fatigue detection device compared with the existing technology possessed by advantage
Identical, details are not described herein.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the structural schematic diagram of the bending fatigue detecting system described in the utility model first embodiment；
Fig. 2 is the structural schematic diagram at one visual angle of bending fatigue detection device described in the utility model first embodiment；
Fig. 3 be the utility model first embodiment described in bending fatigue detection device in link mechanism structural representation
Figure；
Fig. 4 is the structural representation at another visual angle of bending fatigue detection device described in the utility model first embodiment
Figure；
Fig. 5 connects for link mechanism in the bending fatigue detection device described in the utility model second embodiment with transmission mechanism
The structural schematic diagram connect.
Reference sign：
1- bending fatigue detecting systems；2,19- bendings fatigue detection device；3- fixing pieces；4- racks；5- driving motors；
6- link mechanisms；7- bending arms；8- counters；The first mounting bases of 9-；The second mounting bases of 10-；11- dials；12- first connects
Bar；13- second connecting rods；14- third connecting rods；15- output shafts；16- first through hole；The second through-holes of 17-；18- pipelines；20- is driven
Mechanism；21- first gears；22- second gears；23- transmission shafts；24- arbors.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
First embodiment
Fig. 1 is please referred to, the utility model embodiment provides a kind of bending fatigue detecting system 1, for detecting pipeline 18
Fatigue strength.Its is simple in structure, can carry out bending to pipeline 18 automatically, improve detection efficiency, reduce cost of labor, automatically
Change degree is high, and testing result is accurate and reliable, practicality and high efficiency.The bending fatigue detecting system 1 includes that fixing piece 3 and bending fatigue are examined
Survey device 2.Pipeline 18 is fixed on bending fatigue detection device 2 by fixing piece 3, and bending fatigue detection device 2 is used for pipeline
18 carry out bending detection.
In the present embodiment, fixing piece 3 is rope, and pipeline 18 is fixed on bending by fixing piece 3 in such a way that flexibility bundlees
On fatigue detection device 2, it is not limited to this, fixing piece 3 or buckle, fixing piece 3 will pipes by way of clamping
Road 18 is held on bending fatigue detection device 2, is not especially limited to the fixed form of fixing piece 3.
Fig. 2 is please referred to, bending fatigue detection device 2 includes rack 4, driving motor 5, link mechanism 6, bending arm 7, counts
Device 8, the first mounting base 9, the second mounting base 10 and dial 11.Driving motor 5 is installed in rack 4, and passes through link mechanism 6
It is connect with bending arm 7, the rotation of driving motor 5 drives link mechanism 6 to move back and forth, to drive bending arm 7 around a center
Line swings back and forth, and center line is set on bending arm 7, and vertical with the axis of bending arm 7, by controlling turning for driving motor 5
Dynamic speed controls the swing speed of bending arm 7.First mounting base 9 is installed on bending arm 7, and the second mounting base 10 is installed on machine
On frame 4, the first mounting base 9 is used for the one end of pipe laying 18, and pipeline 18 is fixed in the first mounting base 9 by fixing piece 3, the
Two mounting bases 10 are used for the other end of pipe laying 18, and the first mounting base 9 can be under the drive of bending arm 7 with respect to the second peace
Dress seat 10 is subjected to displacement, so that 18 bending of pipeline.Counter 8 is installed in rack 4, the pole of the position and bending arm 7 of counter 8
Extreme position is corresponding, and for measuring the number that bending arm 7 swings back and forth, bending arm 7 often swings back and forth once counter 8, counts
Device 8 will remember a number.Dial 11 is installed in rack 4, and is set to side of the bending arm 7 far from the first mounting base 9, is carved
Scale 11 is arranged with the interval of bending arm 7, and dial 11 is used to show that the rotational angle of bending arm 7, user can be existed by bending arm 7
Projection on dial 11 is clearly observed the rotational angle of bending arm 7.
In the present embodiment, one end of pipeline 18 is fixedly installed in the first mounting base 9 by fixing piece 3, pipeline 18 it is another
End naturally droops under gravity, and is limited under the structure function of the second mounting base 10, and the second mounting base 10 is not
It is fixedly connected with pipeline 18, so that pipeline 18 can have certain deformation during bending in length direction.
It is worth noting that, there are two extreme position, the position of counter 8 and one of extreme positions for the tool of bending arm 7
It is corresponding.When being swung to 8 corresponding extreme position of counter bending arm 7, counter 8 remembers that a number, i.e. bending arm 7 are every
It swings back and forth primary, counter 8 remembers a number.When pipeline 18 under the action of limited number of time bending by jackknifing or when fractureing, driving
Motor 5 stops, and bending arm 7 stops swinging, and the total degree that this hour counter 8 measures bending can be used for calculating pipeline 18
Fatigue strength.
In the present embodiment, counter 8 is infrared counter, passes through the swing time for the infrared ray doubling curved boom 7 launched
Number is counted.It is not limited to this, counter 8 or pressure count device, meeting when bending arm 7 swings to extreme position
It is contacted with counter 8, the frequency of exposure of bending arm 7 and counter 8 is the number of oscillations of bending arm 7.
In the present embodiment, 11 semicircular in shape of dial, and it is horizontally disposed, camber line is set to the top of straight line.Bending arm 7
One end is located at the center location of dial 11, and driving motor 5 drives it come back rotation by link mechanism 6 so that bending arm 7
The other end swings back and forth similar to pointer on dial 11, be labeled on dial 11 0 to 180 degree mark, be convenient for user
Observe the rotational angle of bending arm 7.
Fig. 3 is please referred to, link mechanism 6 includes first connecting rod 12, second connecting rod 13, third connecting rod 14 and output shaft 15.It drives
Dynamic motor 5 is provided with arbor 24, and one end of first connecting rod 12 is fixedly connected with arbor 24, and the other end is hinged with second connecting rod 13,
Driving motor 5 starts so that arbor 24 rotates, and to drive first connecting rod 12 to rotate, and then position occurs for drive second connecting rod 13
It moves.The one end of second connecting rod 13 far from first connecting rod 12 is hinged with third connecting rod 14, and second connecting rod 13 drives third connecting rod 14
Backswing is dynamic.Third connecting rod 14 is connect by output shaft 15 with bending arm 7, and output shaft 15 is installed in rack 4, and can be relative to
Rack 4 rotates, and third connecting rod 14, which is swung, drives output shaft 15 to rotate, to drive bending arm 7 to swing.
In the present embodiment, third connecting rod 14, output shaft 15 and the combination of bending arm 7 form U-shaped, and third connecting rod 14 can drive
Bending arm 7 rotates synchronously, and third connecting rod 14 is identical as the angular speed that bending arm 7 rotates, the extending direction and folding of third connecting rod 14
The extending direction of curved boom 7 remains identical.
During bending arm 7 swings to another extreme position from an extreme position, bending arm 7 and third connecting rod
The range of 14 swing angle is 0 between 180 degree.In the present embodiment, the swing angle of bending arm 7 is 180 degree, third connecting rod
14 swing angle is 180 degree.
Fig. 4 is please referred to, the first mounting base 9 is provided with first through hole 16, and the second mounting base 10 is provided with the second through-hole 17.The
One through-hole 16 and the second through-hole 17 are used to pass through for pipeline 18, and the side wall of first through hole 16 can limit pipeline 18,
The side wall of second through-hole 17 can also limit pipeline 18.First through hole 16 can be coaxial with the second through-hole 17, convenient for pipe
Road 18 pass through and the fixed installation to pipeline 18.The both ends of first through hole 16 are both provided with chamfering, and the two of the second through-hole 17
End is both provided with chamfering, avoids generating cutting stress to pipeline 18.
One end of pipeline 18 is installed on the first installation by the bending fatigue detection device 2 described in the utility model embodiment
On seat 9, the other end of pipeline 18 is installed in the second mounting base 10, starts driving motor 5, the rotation of driving motor 5, which drives, to be connected
Linkage 6 moves, to drive bending arm 7 to swing back and forth, so that one end of pipeline 18 is relative to other end zigzag,
At the same time, counter 8 measures bending times, and bending times when with 18 jackknifing of pipeline or fractureing calculate the tired of the pipeline 18
Labor intensity.Compared with prior art, bending fatigue detection device 2 described in the utility model connects as a result of with bending arm 7
The link mechanism 6 connect and the counter 8 being installed in rack 4 improve so the automation bending to pipeline 18 can be realized
Detection efficiency reduces cost of labor, and can accurately detect the fatigue strength of pipeline 18 so that bending fatigue detecting system
1 testing result of uniting is accurate, practicality and high efficiency.
Second embodiment
Fig. 5 is please referred to, a kind of bending fatigue detection device 19, compared with first embodiment, this reality are present embodiments provided
It further includes transmission mechanism 20 that example, which is applied, difference lies in bending fatigue detection device 19, and one end and the output shaft 15 of transmission mechanism 20 connect
It connects, the other end is connect with bending arm 7, and output shaft 15 drives bending arm 7 to swing by transmission mechanism 20.
Transmission mechanism 20 includes first gear 21, second gear 22 and transmission shaft 23.First gear 21 is sheathed on output shaft
It outside 15, and is fixedly connected with output shaft 15, gets off back to rotate with the drive in output shaft 15.Second gear 22 is sheathed on biography
Outside moving axis 23, and it is fixedly connected with transmission shaft 23, transmission shaft 23 is connect with bending arm 7, and transmission shaft 23 is installed in rack 4, and
It is rotatablely connected with rack 4, first gear 21 is engaged with second gear 22, and the rotation of first gear 21 drives second gear 22 to postback
Raw rotation to drive transmission shaft 23 to rotate back and forth, and then drives bending part to swing back and forth.
In the present embodiment, the diameter of first gear 21 is more than the diameter of second gear 22, due to first gear 21 and second
Gear 22 engages, and the linear velocity of first gear 21 is identical as the linear velocity of second gear 22, so the angular speed of first gear 21
Less than the angular speed of second gear 22, i.e. the velocity of rotation of output shaft 15 is less than the velocity of rotation of transmission shaft 23.Bending arm 7 from
During one extreme position swings to another extreme position, the swing angle of bending arm 7 is 180 degree, transmission shaft 23
Rotational angle is 180 degree, and the rotational angle of output shaft 15 is then less than 180 degree so that the rotational angle of third connecting rod 14 is also small
In 180 degree, so, third connecting rod 14 can be driven with smaller rotational angle bending arm 7 with larger swing angle into
Row is swung, and is adjusted convenient for the angle to bending.
The diameter of bending fatigue detection device 19 described in the utility model embodiment, first gear 21 is more than second gear
22 diameter utilizes intermeshing first gear 21 and second gear 22 so that the rotational angle of third connecting rod 14 is less than folding
The rotational angle of curved boom 7 is convenient for the adjusting of bending angle so that bending fatigue detection device 19 operates steadily, and stability is high, real
It is strong with property.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of bending fatigue detection device, the fatigue strength for detecting pipeline (18), which is characterized in that the bending fatigue
Detection device includes rack (4), driving motor (5), link mechanism (6), bending arm (7), the first mounting base (9) and the second installation
Seat (10), the driving motor (5) is installed in the rack (4), and passes through the link mechanism (6) and the bending arm
(7) it connects, to drive the bending arm (7) to swing back and forth around a center line, the center line is set to the bending arm (7)
On, and it is vertical with the axis of bending arm (7), first mounting base (9) is installed on the bending arm (7), and described
Two mounting bases (10) are installed in the rack (4), and first mounting base (9) is used to install one end of the pipeline (18)
Portion, second mounting base (10) are used to install the other end of the pipeline (18), and first mounting base (9) can be in institute
It states relatively described second mounting base (10) under the drive of bending arm (7) to be subjected to displacement, so that the pipeline (18) bending.
2. bending fatigue detection device according to claim 1, which is characterized in that the link mechanism (6) includes first
Connecting rod (12), second connecting rod (13), third connecting rod (14) and output shaft (15), the driving motor (5) are provided with arbor (24),
One end of the first connecting rod (12) is connect with the arbor (24), and the other end and the second connecting rod (13) are hinged, and described the
The one end of two connecting rods (13) far from the first connecting rod (12) is hinged with the third connecting rod (14), and the third connecting rod (14) is logical
It crosses the output shaft (15) to connect with the bending arm (7), the output shaft (15) is installed in the rack (4), and can
It is rotated relative to the rack (4).
3. bending fatigue detection device according to claim 2, which is characterized in that the third connecting rod (14), described defeated
Shaft (15) and the bending arm (7) combination form U-shaped, and the third connecting rod (14) can drive the bending arm (7) synchronous
Rotation.
4. bending fatigue detection device according to claim 2, which is characterized in that the bending fatigue detection device also wraps
Transmission mechanism (20) is included, one end of the transmission mechanism (20) is connect with the output shaft (15), the other end and the bending arm
(7) it connects.
5. bending fatigue detection device according to claim 4, which is characterized in that the transmission mechanism (20) includes first
Gear (21), second gear (22) and transmission shaft (23), the first gear (21) are sheathed on the output shaft (15) outside, and with
The output shaft (15) is fixedly connected, and the second gear (22) is sheathed on the transmission shaft (23) outside, and with the transmission shaft
(23) it is fixedly connected, the transmission shaft (23) connect with the bending arm (7), and the transmission shaft (23) is installed on the rack
(4) it on, and is rotatablely connected with the rack (4), the first gear (21) is engaged with the second gear (22).
6. bending fatigue detection device according to claim 5, which is characterized in that the diameter of the first gear (21) is big
Diameter in the second gear (22).
7. bending fatigue detection device according to claim 1, which is characterized in that first mounting base (9) is provided with
First through hole (16), second mounting base (10) are provided with the second through-hole (17), the first through hole (16) and described second
Through-hole (17) is used to pass through for the pipeline (18), and the first through hole (16) can be coaxial with second through-hole (17).
8. bending fatigue detection device according to claim 1, which is characterized in that the bending fatigue detection device also wraps
Counter (8) is included, counter (8) is installed in the rack (4), the position of the counter (8) and the bending arm (7)
Extreme position is corresponding, and the counter (8) is for measuring the number that the bending arm (7) swings back and forth.
9. bending fatigue detection device according to claim 1, which is characterized in that the bending fatigue detection device also wraps
Dial (11) is included, the dial (11) is installed in the rack (4), and is set to the bending arm (7) far from described
The side of first mounting base (9).
10. a kind of bending fatigue detecting system, which is characterized in that including fixing piece (3) and such as any one of claim 1 to 9 institute
The bending fatigue detection device stated, the fixing piece (3) are used to the pipeline (18) being fixedly installed in first mounting base
(9) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087271.9U CN207742051U (en) | 2018-01-18 | 2018-01-18 | A kind of bending fatigue detection device and bending fatigue detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087271.9U CN207742051U (en) | 2018-01-18 | 2018-01-18 | A kind of bending fatigue detection device and bending fatigue detecting system |
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| Publication Number | Publication Date |
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| CN207742051U true CN207742051U (en) | 2018-08-17 |
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ID=63122076
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| CN201820087271.9U Active CN207742051U (en) | 2018-01-18 | 2018-01-18 | A kind of bending fatigue detection device and bending fatigue detecting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346222A (en) * | 2019-06-17 | 2019-10-18 | 宁波联华汽车部件有限公司 | A kind of apparatus for bending of fender |
| CN113008663A (en) * | 2021-02-26 | 2021-06-22 | 商丘工学院 | Reinforcing bar field detection device for engineering management |
| CN114778339A (en) * | 2022-04-11 | 2022-07-22 | 江苏鼎盛检测中心有限公司 | Big data-based high-low temperature endurance test analysis method capable of reducing errors |
-
2018
- 2018-01-18 CN CN201820087271.9U patent/CN207742051U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346222A (en) * | 2019-06-17 | 2019-10-18 | 宁波联华汽车部件有限公司 | A kind of apparatus for bending of fender |
| CN113008663A (en) * | 2021-02-26 | 2021-06-22 | 商丘工学院 | Reinforcing bar field detection device for engineering management |
| CN114778339A (en) * | 2022-04-11 | 2022-07-22 | 江苏鼎盛检测中心有限公司 | Big data-based high-low temperature endurance test analysis method capable of reducing errors |
| CN114778339B (en) * | 2022-04-11 | 2022-11-25 | 江苏鼎盛检测中心有限公司 | High-low temperature endurance test analysis method capable of reducing errors based on big data |
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