CN109596424A - Device for testing tensile force - Google Patents
Device for testing tensile force Download PDFInfo
- Publication number
- CN109596424A CN109596424A CN201910012413.4A CN201910012413A CN109596424A CN 109596424 A CN109596424 A CN 109596424A CN 201910012413 A CN201910012413 A CN 201910012413A CN 109596424 A CN109596424 A CN 109596424A
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- fixation kit
- movable part
- tensile force
- driving portion
- testing tensile
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 230000002195 synergetic effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 10
- 230000005291 magnetic effect Effects 0.000 claims description 76
- 230000001939 inductive effect Effects 0.000 claims description 37
- 230000033001 locomotion Effects 0.000 claims description 18
- 230000004907 flux Effects 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003302 ferromagnetic material Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical class [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0296—Welds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
This application discloses a kind of device for testing tensile force, including fixation kit and movable component, fixation kit is fixedly mounted on board table top, movable component includes driving portion and movable part, the first end of movable part is mounted in the first end of driving portion, the second end of driving portion is fixedly connected with fixation kit, and movable part is upper and lower under the synergistic effect of fixation kit and driving portion and/or left and right is movable；Crochet hook is provided in the second end of movable part, crochet hook pulls the wire of pulling force to be tested under the drive of movable part.The application is by the synergistic effect of fixation kit and the movable component comprising driving portion and movable part so that the activity of above and below movable part and/or left and right, so that the crochet hook of movable part drive end pulls the wire of pulling force to be tested, not only fast response time, and the direction of crochet hook can be accurately controlled, it is accurately controlled having drawn.
Description
Technical field
The invention belongs to welding fields, are related to a kind of device for testing tensile force.
Background technique
In the industrial productions such as chip or semiconductor welding, need to be welded using wire, it is complete in welded wire
Whether Cheng Hou needs to weld by device for testing tensile force test wire secured.
Traditional device for testing tensile force be by cylinder drive catch on wire movable part movement, but this mode by
To the limitation of cylinder, in test, response speed is slow, and is unable to accurately control the size of pulling force.
Summary of the invention
It is the movable part movement that wire is caught on by cylinder drive to solve traditional device for testing tensile force, but this
The problem of kind mode is limited by cylinder, and response speed is slow in test, is unable to accurately control the size of pulling force, the present invention mentions
A kind of device for testing tensile force is supplied.Technical solution is as follows:
A kind of device for testing tensile force, the device for testing tensile force include: fixation kit and movable component, the fixed peace of fixation kit
On board table top, movable component includes driving portion and movable part, and the first end of movable part is mounted on the first end of driving portion
On, the second end of driving portion is fixedly connected with fixation kit, and movable part is upper and lower under the synergistic effect of fixation kit and driving portion
And/or left and right activity；Crochet hook is provided in the second end of movable part, crochet hook pulls pulling force to be tested under the drive of movable part
Wire.
The synergistic effect of movable component by fixation kit and comprising driving portion and movable part so that above and below movable part and/
Or left and right activity, so that movable part drives the crochet hook of end to pull the wire of pulling force to be tested, not only fast response time, but also
The direction that crochet hook can accurately be controlled, is accurately controlled having drawn.
Optionally, first coil is provided on driving portion, fixation kit includes the first magnet, and first coil is arranged first
In first magnetic field of magnet, first coil generates the Lorentz force of up and down direction after being powered, and movable part is driven to move up and down.
Voice coil motor is constituted by the first magnet and first coil, not only fast response time, but also control electricity can be passed through
The size of stream accurately controls the size of the Lorentz force of up and down direction.
Optionally, fixation kit further includes the first magnetic inductive block, and the first magnet is fixedly mounted on the first magnetic inductive block, and first leads
Magnetic patch is used to increase the magnetic flux density in the first magnetic field.
The first magnet is fixed by the first magnetic inductive block, increases the magnetic flux density in the first magnetic field, less magnet can be used
Material reaches the magnetic flux density for meeting production requirement, to reduce the use cost of ferromagnetic material.
Optionally, the second coil is provided on driving portion, fixation kit includes the second magnet, and the second coil is arranged second
In second magnetic field of magnet, the second coil generates the Lorentz force of left and right directions after being powered, and drives movable part side-to-side movement.
Voice coil motor is constituted by the second magnet and the second coil, not only fast response time, but also control electricity can be passed through
The size of stream accurately controls the size of the Lorentz force of left and right directions.
Optionally, fixation kit further includes the second magnetic inductive block, and the second magnet is fixedly mounted on the second magnetic inductive block, and second leads
Magnetic patch is used to increase the magnetic flux density in the second magnetic field.
The second magnet is fixed by the second magnetic inductive block, increases the magnetic flux density in the second magnetic field, less magnet can be used
Material reaches the magnetic flux density for meeting production requirement, to reduce the use cost of ferromagnetic material.
Optionally, device for testing tensile force further includes tension spring, and one end of tension spring is connected on fixation kit, and other end connection is lived
On dynamic component；Tension spring generates pulling force, and movable component is bonded with fixation kit.
By the pulling force of tension spring, so that movable component and fixation kit are more bonded, so that fixation kit and driving
The power that the synergistic effect in portion generates can act on the upper and lower of movable part or left and right activity.
Optionally, the second end of driving portion is fixed on fixation kit by the synergistic effect of bolt and screw thread, bolt and
The link position of screw thread is the fulcrum that movable component moves up and down.
Driving portion and fixation kit are fixed by bolt and screw thread, using the link position of bolt and screw thread as activity group
The fulcrum that part moves up and down enables movable component to move up and down based on the link position of bolt and screw thread.
Optionally, the two sides up and down of movable component are respectively arranged with leaf spring, and leaf spring is used to provide the elastic force in up and down direction.
The elastic force of up and down direction is provided by leaf spring, the crochet hook in movable part front end provides downward bullet when tilting
It is excessively high to break wire tilting to avoid crochet hook for power.
Optionally, the first end of driving portion and the junction of movable part are provided with flexible hinge, and flexible hinge is for providing
Hui Li on left and right directions；Flexible hinge is the fulcrum of movable component side-to-side movement.
By the Hui Li of flexible hinge, so that movable component is rotated by rotation center of flexible hinge, and in movable part
The elastic force of opposite direction is provided when side-to-side movement, movable part is resetted.
Optionally, the movable part of movable component further includes length adjuster, and length adjuster is used to adjust the stretching of crochet hook
Length.
The extension elongation that crochet hook is adjusted by length adjuster, so that crochet hook can adapt to the drawing of the wire of different location
Power test.
Optionally, fixation kit further includes the photoelectric sensor whether being pulled off for detecting wire, photoelectric sensor
It is arranged in position corresponding with movable part.
By the way that the photoelectric sensor with movable part corresponding position is arranged, it can detecte out whether wire is pulled off.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the schematic diagram of device for testing tensile force provided by one embodiment of the present invention；
Fig. 2 is the schematic diagram of movable component provided by one embodiment of the present invention；
Fig. 3 is the schematic diagram of fixation kit provided by one embodiment of the present invention；
Fig. 4 is the scheme of installation of the first magnet and the first magnetic inductive block provided by one embodiment of the present invention；
Fig. 5 is the scheme of installation of the second magnet and the second magnetic inductive block provided by one embodiment of the present invention.
Wherein, appended drawing reference is as follows:
10, fixation kit；11, the first magnet；12, the second magnet；13, the first magnetic inductive block；14, the second magnetic inductive block；15, light
Electric transducer；20, movable component；21, driving portion；22, movable part；23, crochet hook；24, first coil；25, the second coil；26,
Bolt；27, leaf spring；28, flexible hinge；29, length adjuster；30, tension spring.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
In battery core is the industrial productions such as to be connect to busbar or connect chip with semiconductor, need using wire
It is welded, after the completion of welded wire, whether secured needs to weld by device for testing tensile force test wire.Traditional
Device for testing tensile force is the movable part movement for catching on wire to be driven by cylinder, but this mode is limited by cylinder,
In test, response speed is slow, is unable to accurately control the size of pulling force.
In view of this, this application provides a kind of device for testing tensile force, by fixation kit and include driving portion and activity
The synergistic effect of the movable component in portion is so that above and below movable part and/or left and right is movable, so that movable part drives the crochet hook of end to draw
The wire of pulling force to be tested is moved, not only fast response time, but also can accurately control the direction of crochet hook, carried out accurately to having drawn
Control.Device for testing tensile force provided by the present application is illustrated below with reference to Fig. 1 to Fig. 3.
Fig. 1 is the schematic diagram of device for testing tensile force provided by one embodiment of the present invention, which includes solid
Determine component 10 and movable component 20, fixation kit 10 is fixedly mounted on board table top, in conjunction with referring to figs. 2 and 3, movable component
20 include driving portion 21 and movable part 22, and the first end of movable part 22 is mounted in the first end of driving portion 21, driving portion 21
Second end is fixedly connected with fixation kit 10, movable part 22 under the synergistic effect of fixation kit 10 and driving portion 21 up and down and/
Or left and right activity；Crochet hook 23 is provided in the second end of movable part 22, crochet hook 23 pulls to be tested under the drive of movable part 22
The wire of pulling force.
Optionally, in conjunction with first coil 24 referring to figs. 2 and 3, is provided on driving portion 21, fixation kit 10 includes first
Magnet 11, first coil 24 are arranged in the first magnetic field of the first magnet 11, and first coil 24 generates up and down direction after being powered
Lorentz force drives movable part 22 to move up and down.
The structure of voice coil motor is made up of first coil 24 and the first magnet 11, fast response time passes through control first
Size of current in coil 24 can control the size of the Lorentz force of up and down direction, can not only accurate control force size,
And the power for implementing same size can be controlled by identical electric current, in addition, by changing the electric current in first coil 24
Direction, thus it is possible to vary the direction of Lorentz force is to change the direction of motion of movable component 20.
Optionally, in practical applications, two the first magnet being oppositely arranged can be set in the inside of fixation kit 10
11 provide magnetic field.
Optionally, as shown in figure 3, fixation kit 10 further includes the first magnetic inductive block 13, the first magnet 11 is fixedly mounted on
On one magnetic inductive block 13, the first magnetic inductive block 13 is used to increase the magnetic flux density in the first magnetic field.
First magnet 11 is fixed on the first magnetic inductive block 13, the first magnetic inductive block 13 itself is nonmagnetic, is touching first
Magnet 11, which is done, has magnetism after magnetic conduction, can reach so as to using less magnetic material also meet production requirement magnetic flux it is close
Degree, to reduce the use cost of magnetic material.
In conjunction with reference Fig. 4, it illustrates the scheme of installation of the first magnet 11 and the first magnetic inductive block 13, illustratively, the
There are two one magnet 11, and there are two the first magnetic inductive blocks 13, and the first magnet 11 is separately fixed on first magnetic inductive block 13, and two
First magnetic inductive block 13 is connected together by link block fixation, and link block can guarantee that two the first magnet 11 are protected during the motion
Maintain an equal level row.
Optionally, material used in the first magnetic inductive block 13 can be pure iron, is also possible to mild steel, is also possible to iron silicon
It is alloy or iron aluminum series alloy etc., the embodiment of the present invention is not defined specific material used in the first magnetic inductive block 13.
Optionally, in conjunction with the second coil 25 referring to figs. 2 and 3, is provided on driving portion 21, fixation kit 10 includes second
Magnet 12, the second coil 25 are arranged in the second magnetic field of the second magnet 12, and the second coil 25 generates left and right directions after being powered
Lorentz force drives 22 side-to-side movement of movable part.
The structure of voice coil motor is made up of the second coil 25 and the second magnet 12, fast response time passes through control second
Size of current in coil 25 can control the size of the Lorentz force of left and right directions, can not only accurate control force size,
And the power for implementing same size can be controlled by identical electric current, in addition, by changing the electric current in the second coil 25
Direction, thus it is possible to vary the direction of Lorentz force is to change the direction of motion of movable component 20.
Optionally, as shown in figure 3, fixation kit 10 further includes the second magnetic inductive block 14, the second magnet 12 is fixedly mounted on
On two magnetic inductive blocks 14, the second magnetic inductive block 14 is used to increase the magnetic flux density in the second magnetic field.
Second magnet 12 is fixed on the second magnetic inductive block 14, the second magnetic inductive block 14 itself is nonmagnetic, is touching second
Magnet 12, which is done, has magnetism after magnetic conduction, can reach so as to using less magnetic material also meet production requirement magnetic flux it is close
Degree, to reduce the use cost of magnetic material.
In conjunction with reference Fig. 5, it illustrates the scheme of installation of the second magnet 12 and the second magnetic inductive block 14, the second magnet 12 is solid
It is scheduled on the second magnetic inductive block 14, the second magnetic inductive block 14 is fixedly mounted on the pedestal of fixation kit 10.
Optionally, material used in the second magnetic inductive block 14 can be pure iron, is also possible to mild steel, is also possible to iron silicon
It is alloy or iron aluminum series alloy etc., the embodiment of the present invention is not defined specific material used in the second magnetic inductive block 14.
Optionally, in conjunction with reference Fig. 1, device for testing tensile force further includes tension spring 30, and one end of tension spring 30 is connected to fixed group
On part 10, the other end is connected on movable component 20；Tension spring 30 generates pulling force, and movable component 20 is bonded with fixation kit 10.
Tension spring 30 provide Hui Li, movable component 20 can be bonded with fixation kit 10 so that driving portion 21 with consolidate
Determining component 10 can be by the movement for being possibly used for driving movable part 22 that overcomes when coil is powered and generates Lorentz force.
Optionally, as shown in Fig. 2, the second end of driving portion 21 is fixed on fixation by the synergistic effect of bolt 26 and screw thread
On component 10, the link position of bolt 26 and screw thread is the fulcrum that movable component 20 moves up and down.
It is provided with threaded hole in the corresponding position of driving portion 21 and fixation kit 10, screwing by bolt 26 can fix
Firmly driving portion 21 and fixation kit 10.
Optionally, as shown in Fig. 2, the two sides up and down of movable component 20 are respectively arranged with leaf spring 27, leaf spring 27 is for providing
Elastic force in up and down direction.
In the case where breaking wire, end locating for crochet hook 23 can be upturned crochet hook 23, can be with by leaf spring 27
It avoids crochet hook 23 from upwarping excessively high, the position of crochet hook 23 is resetted.
Optionally, as shown in Fig. 2, the junction of the first end of driving portion 21 and movable part 22 is provided with flexible hinge 28,
Flexible hinge 28 is used to provide the Hui Li on left and right directions；Flexible hinge 28 is the fulcrum of 20 side-to-side movement of movable component.
It is with flexible hinge 28 when 22 side-to-side movement of movable part for rotation center rotation, flexible hinge 28 provides and movement side
To opposite elastic force, the position of movable part 22 is resetted.
Optionally, as shown in Fig. 2, the movable part 22 of movable component 20 further includes length adjuster 29, length adjuster 29
For adjusting the extension elongation of crochet hook 23.
The extension elongation that crochet hook 23 is adjusted by length adjuster 29 can make crochet hook 23 adapt to the wire of different distance
Tensile test.
In actual production, crochet hook 23 is done into a bent shape, is caught on soldered wire and is pulled up, if the drawing of welding
Power is inadequate, then the welding ends of wire can be pulled off and split, and crochet hook 23 can be raised to a high position, but the elastic force by leaf spring 27, crochet hook
23 height lifted will not be very high；If the pulling force of welding is enough, wire can be in tight shape under the pulling force effect of crochet hook 23, by
In the elastic force of leaf spring 27, the upward raising height of crochet hook 23 will not be too high, and wire can generate some elastic deformations, but not disconnected
It splits.
Optionally, as shown in figure 3, fixation kit 10 further includes the photoelectric sensor whether being pulled off for detecting wire
15, photoelectric sensor 15 is arranged in position corresponding with movable part 22.
Since the position of movable part 22 during exercise is different, the light transmission capacity for causing photoelectric sensor 15 to sense is different, from
And it can detecte out whether wire is pulled off.
In practical applications, photoelectric sensor 15 is blocked by movable part 22, can not be detected light, be worked as wire breakage
When, the position of movable part 22 is higher, and light can pass through, and photoelectric sensor 15 detects light at this time, issues wire breakage
Signal remind operator.
In conclusion device for testing tensile force provided in an embodiment of the present invention, by fixation kit and includes driving portion and work
The synergistic effect of the movable component in dynamic portion is so that above and below movable part and/or left and right is movable, so that movable part drives the crochet hook of end
The wire of pulling force to be tested is pulled, not only fast response time, but also can accurately control the direction of crochet hook, carries out essence to having drawn
Really control.
In addition, constitute voice coil motor by the first magnet and first coil, not only fast response time, but also control can be passed through
The size of electric current processed accurately controls the size of the Lorentz force of up and down direction.
In addition, fixing the first magnet by the first magnetic inductive block, increases the magnetic flux density in the first magnetic field, can be used less
Ferromagnetic material reaches the magnetic flux density for meeting production requirement, to reduce the use cost of ferromagnetic material.
In addition, constitute voice coil motor by the second magnet and the second coil, not only fast response time, but also control can be passed through
The size of electric current processed accurately controls the size of the Lorentz force of left and right directions.
In addition, fixing the second magnet by the second magnetic inductive block, increases the magnetic flux density in the second magnetic field, can be used less
Ferromagnetic material reaches the magnetic flux density for meeting production requirement, to reduce the use cost of ferromagnetic material.
In addition, by the pulling force of tension spring so that movable component and fixation kit are more bonded so that fixation kit with
The power that the synergistic effect of driving portion generates can act on the upper and lower of movable part or left and right activity.
In addition, driving portion and fixation kit are fixed by bolt and screw thread, using the link position of bolt and screw thread as
The fulcrum that movable component moves up and down enables movable component to move up and down based on the link position of bolt and screw thread.
In addition, providing the elastic force of up and down direction by leaf spring, provided when the crochet hook in movable part front end tilts downward
Elastic force, to avoid crochet hook break wire tilt it is excessively high.
In addition, by the Hui Li of flexible hinge, so that movable component is rotated by rotation center of flexible hinge, and in work
The elastic force of opposite direction is provided when dynamic portion's side-to-side movement, movable part is resetted.
In addition, the extension elongation of crochet hook is adjusted by length adjuster, so that crochet hook can adapt to the metal of different location
The tensile test of silk.
In addition, can detecte out whether wire is pulled off by the photoelectric sensor of setting and movable part corresponding position.
Those skilled in the art will readily occur to of the invention its after considering specification and the invention invented here of practice
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
The common knowledge in the art that person's adaptive change follows general principle of the invention and do not invent including the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (11)
1. a kind of device for testing tensile force, which is characterized in that the device for testing tensile force includes: fixation kit and movable component, institute
Fixation kit to be stated to be fixedly mounted on board table top, the movable component includes driving portion and movable part, and the of the movable part
One end is mounted in the first end of the driving portion, and the second end of the driving portion is fixedly connected with the fixation kit, described
Movable part upper and lower and/or left and right under the synergistic effect of the fixation kit and the driving portion is movable；The of the movable part
Crochet hook is provided on two ends, the crochet hook pulls the wire of pulling force to be tested under the drive of the movable part.
2. device for testing tensile force according to claim 1, which is characterized in that it is provided with first coil on the driving portion,
The fixation kit includes the first magnet, and the first coil is arranged in the first magnetic field of first magnet, and described first
Coil generates the Lorentz force of up and down direction after being powered, the movable part is driven to move up and down.
3. device for testing tensile force according to claim 2, which is characterized in that the fixation kit further includes the first magnetic conduction
Block, first magnet are fixedly mounted on first magnetic inductive block, and first magnetic inductive block is used to increase the magnetic in the first magnetic field
Flux density.
4. device for testing tensile force according to claim 1, which is characterized in that the second coil is provided on the driving portion,
The fixation kit includes the second magnet, and second coil is arranged in the second magnetic field of second magnet, and described second
Coil generates the Lorentz force of left and right directions after being powered, drive the movable part side-to-side movement.
5. device for testing tensile force according to claim 4, which is characterized in that the fixation kit further includes the second magnetic conduction
Block, second magnet are fixedly mounted on second magnetic inductive block, and second magnetic inductive block is used to increase the magnetic in the second magnetic field
Flux density.
6. device for testing tensile force according to claim 1, which is characterized in that the device for testing tensile force further includes tension spring,
One end of the tension spring is connected on the fixation kit, and the other end connects on the movable component；The tension spring generates pulling force,
The movable component is bonded with the fixation kit.
7. device for testing tensile force according to claim 1, which is characterized in that the second end of the driving portion by bolt and
The synergistic effect of screw thread is fixed on the fixation kit, and the link position of the bolt and the screw thread is the movable component
The fulcrum of up and down motion.
8. device for testing tensile force according to claim 1, which is characterized in that the two sides up and down of the movable component are set respectively
It is equipped with leaf spring, the leaf spring is used to provide the elastic force in up and down direction.
9. device for testing tensile force according to claim 1, which is characterized in that the first end of the driving portion and the activity
The junction in portion is provided with flexible hinge, and the flexible hinge is used to provide the Hui Li on left and right directions；The flexible hinge is
The fulcrum of the movable component side-to-side movement.
10. device for testing tensile force according to claim 1, which is characterized in that the movable part of the movable component further includes
Length adjuster, the length adjuster are used to adjust the extension elongation of the crochet hook.
11. device for testing tensile force according to any one of claims 1 to 10, which is characterized in that the fixation kit further includes
The photoelectric sensor whether being pulled off for detecting wire, the photoelectric sensor are arranged in position corresponding with the movable part
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012413.4A CN109596424B (en) | 2019-01-07 | 2019-01-07 | Tension testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012413.4A CN109596424B (en) | 2019-01-07 | 2019-01-07 | Tension testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109596424A true CN109596424A (en) | 2019-04-09 |
| CN109596424B CN109596424B (en) | 2024-02-13 |
Family
ID=65965055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012413.4A Active CN109596424B (en) | 2019-01-07 | 2019-01-07 | Tension testing device |
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| JPH04113215A (en) * | 1990-09-04 | 1992-04-14 | Takao Yamaguchi | Torque balancer |
| US20040108195A1 (en) * | 2002-09-17 | 2004-06-10 | D Amico William P | Lorentz force assisted switch |
| JP2007263680A (en) * | 2006-03-28 | 2007-10-11 | Mitsubishi Electric Corp | Torque oscillator |
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| CN109596424B (en) | 2024-02-13 |
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