CN106644442B - A kind of torsional spring determines angle device for measuring force - Google Patents
A kind of torsional spring determines angle device for measuring force Download PDFInfo
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- CN106644442B CN106644442B CN201611202184.5A CN201611202184A CN106644442B CN 106644442 B CN106644442 B CN 106644442B CN 201611202184 A CN201611202184 A CN 201611202184A CN 106644442 B CN106644442 B CN 106644442B
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- torsional spring
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- measuring force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of torsional springs to determine angle device for measuring force, including fixed part, rotating part and coupling part, wherein, fixed part includes support and fixed plate, rotating part includes rotating plate, rotating plate include be set to one end be used to support torsional spring bottom and pedestal with central through hole, be set to pedestal side and protrude pedestal for be inserted into the arc-shaped slot with the sliding bar of opposing arcuate and be set to the rotating plate other end and the pedestal it is coaxial make moved end, the torsional spring is used for coaxial arrangement in pedestal and makees between moved end；Coupling part includes mandrel, has the body of rod of protrusion rotary table for one end end, is used for across the support plate center stepped hole, so that the torsional spring can be sleeved on this thereon, what the rotating plate was protruded into the end which passes through end makees moved end.Torsional test and failure measurement to torsional spring can be realized using simple and reliable build-up member in device for measuring force of the invention, and structure is simple, versatile.
Description
Technical field
The invention belongs to torsional springs to test field, determine angle device for measuring force more particularly, to a kind of torsional spring.
Background technique
Accurate torsional spring needs to carry out the test of torsion-testing items related to progress, to torsional spring after completing manufacture
It can be carried out detection or test.
Torsional test for torsional spring and to torsional spring in the random working angle of setting and when keeping some cycles
Comparative test (failure test) is general at present by completing on torsion spring torque testing machine.Existing torsion spring torque testing machine knot
Structure is complicated, expensive, and various simple torsion spring torque measurement devices are manufactured for a kind of specific torsional spring, leads to
It is poor with property, all it is not suitable for the 100% batch demand that need to be tested, is all unable to complete yet and passes through guarantor in defined several windup-degrees
Hold the comparative test (failure test) of front and back torque after a certain period of time.
Patent document CN102175540A discloses a kind of torsion spring torque measuring device, including bearing part, torsional spring are turned round
Turn end pieces and torsional spring fixing end component, wherein torsional spring torsion end pieces include fixed plate, rotation angle disk, pivoted arm and dynamic clamping plate, are turned
Angle disk and pivoted arm move clamping plate and pivoted arm clamping torsional spring reverse end for determining torsion angle.Measuring device in the technical solution can
To realize the torsion spring torque and dynamic impulsion torque that measure under different torsion angles, still, structure is complicated for the measuring device, torsional spring peace
Dress is inconvenient, and the torque sensor that needs to be rotatably assorted by handle realizes the measurement to torque, and versatility is poor, can not adapt to
The large batch of measurement of each batch.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of torsional springs to determine angle device for measuring force,
Torsional test and the failure to torsional spring can be realized using simple and reliable build-up member by the Structure Improvement Design of optimization for it
Measurement, structure is simple, versatile.
To achieve the above object, it is proposed, according to the invention, a kind of torsional spring is provided and determines angle device for measuring force, which is characterized in that including
Fixed part, rotating part and coupling part, wherein
The fixed part includes support and fixed plate, and support is tabular, is provided with and torsional spring rotation direction
The annular through groove and the scale on arc groove side matched, for providing torsional spring rotation space and measurement torsional spring angle of rotation
Degree, the fixed plate is vertically set in abutment surface, for the support stationary plane as one end of torsional spring；
The rotating part includes rotating plate, which includes being set to being used to support torsional spring bottom and having center for one end
The pedestal of through-hole is set to the pedestal side and protrudes the cunning for being inserted into the arc-shaped slot with opposing arcuate of pedestal
Lever and be set to the rotating plate other end and the pedestal it is coaxial make moved end, the torsional spring for be coaxially disposed in pedestal with
Make between moved end；
The coupling part includes mandrel, has the body of rod of protrusion rotary table for one end end, is used for across the branch
Seat plate center stepped hole, so that the torsional spring can be sleeved on this thereon, the rotating plate is protruded into the end which passes through end
Make moved end；
It by this method, can band by driving the rotating plate of the rotating part to rotate around center axis on the support plate
Dynamic torsional spring is reversed around mandrel, by measuring angle that the rotating plate rotates on support plate and positioned at the dynamometry made on moved end
Torque that device measurement obtains is, it can be achieved that torgue measurement to torsional spring.
As present invention further optimization, the rotating part further includes nut, is matched with the sliding bar, can be used
It is locked with support plate afterwards in place in the rotation rotational angle, for the torsional spring failure as fixed angle
Measurement.
As present invention further optimization, the moved end of making of the rotating part is with periphery in multilateral shape, inner wall
For the hollow cylinder of square hole, for being coupled with external acting device and/or device for measuring force.
As present invention further optimization, the periphery in polygon with box spanner for matching, so that set
Barrel spanner force drives rotating part rotation.
As present invention further optimization, the inner wall in the hole that is square for being connect with the torque spanner with dial plate and
Locking, to measure the torque of rotation torsional spring.
As present invention further optimization, the rotating plate of the rotating part is located at described make between moved end and pedestal
For tabular, and the side of its plate corresponding with support scale is in sharp edge, for as with the pointer of corresponding scale, to obtain
Obtain the rotational angle of rotating plate.
As present invention further optimization, the bottom of the support of the fixed part is provided with matched with clamping device
Interface.
As present invention further optimization, the fixed plate of the fixed part has arc flange, is used for torsion spring end
Displacement in the radial direction when abutting to fixed plate.
As present invention further optimization, the coupling part further includes being socketed in the mandrel body of rod and torsional spring inner ring
Between bushing.
As present invention further optimization, the bushing selection be it is nonmetallic, to protect torsional spring not to be scratched.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
1) measuring device of the invention is directed to the test and test of accurate torsional spring, torsional spring directly can be mounted on the present apparatus
On, the test and test of accurate torsional spring whole can be completed by single manual operations；
2) apparatus of the present invention can be by adjusting rotating part and in conjunction with it in fixed part upper angle scale (i.e. operating angle
Degree) its corresponding actual torque can be read with torque spanner, utilizing locking nut by device under specified various angles
It is locked, after being kept for the defined time, the difference of the torsion of front and back can be compared, to judge failure conditions.
2) the device of the invention is disposable clamping, and test number is accurate, and structure is simple, easy to operate practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that angle device for measuring force is determined according to the torsional spring of one embodiment of the invention；
Fig. 2 is the structural exploded view that angle device for measuring force is determined according to the torsional spring of one embodiment of the invention；
Fig. 3 is the structural schematic diagram for the fixed part that torsional spring determines angle device for measuring force in Fig. 2；
Fig. 4 is the structural schematic diagram for the rotating part that torsional spring determines angle device for measuring force in Fig. 2；
Fig. 5 is the structural schematic diagram for the coupling part that torsional spring determines angle device for measuring force in Fig. 2；
Fig. 6 is the whole assembling schematic diagram that angle device for measuring force is determined according to the torsional spring of one embodiment of the invention；
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which: 1- support, 2- turn
Plate, 3- locking nut, 4- mandrel, 5- bushing, 6- fixed plate, 7- torsional spring.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 is the structural schematic diagram that angle device for measuring force is determined according to the torsional spring of one embodiment of the invention.As shown in Figure 1,
The measuring device of the embodiment of the present invention includes fixed part, rotating part and coupling part.
As illustrated in fig. 1 and 2, fixed part and coupling part are positioned by pin, are connected with screw, rotating part is rotatable
Ground is connect with fixed part.
As shown in Figure 1-3, fixed part can will be fixed using seperated design, including support 1 and fixed plate 6 by fixture
Grips.
As shown in figure 3, support 1 is tabular, it is provided with and the matched annular through groove of 7 rotation direction of torsional spring and position
Scale on arc groove side, for providing 7 rotation space of torsional spring and measurement 7 rotational angle of torsional spring.Fixed plate 6 is vertically set
It sets in abutment surface, for the support stationary plane as 7 one end of torsional spring.
As shown in figure 3, in one embodiment, support 1 is provided with rectangular interface, fastened for vice；Table thereon
Face, which is provided with, for example (can judge that precision is, for example, for 1 ° with the 7 consistent dial of maximum functional angle of torsional spring, minimum scale
0.5 °), it is used to indicate the operating angle of torsional spring, entire mechanism includes the straight of support and pointer if needing to further increase precision
Connecing accordingly to increase at multiple.It is provided with annular through groove consistent with 7 maximum functional angle of torsional spring on support 1, is used to form rotating plate
Working trajectory, the center of circle of the through slot requires concentricity for example can be within 0.02 with support, size to through slot and interior
Portion's surface roughness can be preferably in Ra0.8 or more.Pin hole at threaded hole and such as two is set at such as 6 on support 1, for connecting
Mandrel and fixed plate are connect, wherein the verticality of pin hole is preferably within 0.02.Preferably, support can using integrative design and
Processing, and such as martensite stainless steel material is selected to process.
The dial that 1 surface of support is equipped with is consistent with torsional spring maximum functional corner, the reality of torsional spring when being used to indicate test
Angle；By the cooperation of rotating plate on the support, make tested 7 center of circle of torsional spring and entire test device concentric；Rotating plate can be allowed simultaneously
On pointer be overlapped with the dial zero-bit on support, last support 1 additionally provides consistent same with torsional spring maximum functional angle
The annular through groove at center provides accurate working trajectory for rotating plate.
As shown in figure 3, fixed plate is preferably T-shaped, to prevent part itself stress deformation；It is provided with arc shelves
Side, for preventing the radial displacement of torsional spring 7, the diameter of arc is slightly larger than the diameter of torsional spring material；There is luminosity higher thereon
Big plane is the working face contacted with 7 fixed edge of torsional spring and prevents torsional spring from rotating, and needs at this surface roughness for example can be
Ra0.8 or more；Be provided with pin hole at such as 2, for cooperating with support, guarantee the verticality of working face preferably 0.02 with
It is interior；It is provided with threaded hole at such as 2, for connecting, fastening with support.The fixed plate preferably can be selected aluminum alloy materials and add
Work.
As shown in Figs 1-4, rotating part includes rotating plate, the rotating plate 2 include be set to one end be used to support torsional spring bottom
And pedestal with central through hole, be set to pedestal side and protrude pedestal for being inserted into arc-shaped slot with opposing arcuate
Sliding bar and be set to the rotating plate other end and pedestal it is coaxial make moved end.Torsional spring 7 is for being coaxially disposed in pedestal and making moved end
Between.
As shown in figure 4, rotating plate 2 is irregular shape, preferably its upper outer is provided with outer-hexagonal shape, for spanner
Interface drives rotating part work with force；Its top is internally provided with square hole, and has interior annular groove, is used for and band
The torque spanner of dial plate connects and locking, and the size of square hole should be consistent with the square shaft of torque spanner used and forms small―gap suture and match
It closes.Its top middle part position setting forms hinge for connect with mandrel there are two coaxial inner hole, and cooperating at this for example can be with
Using H7/g6.The sharp edge of small triangle is provided at 2 external margin of rotating plate, as the pointer of device, the side of the pointer is big
Plane need to be not less than 0.02 with aftermentioned working face preferred vertical degree；In-between place is provided with smooth plane, preferably at this
Need surface roughness in Ra0.8 or more, the working face for contacting with 7 active edges of torsional spring can simultaneously drive torsional spring to rotate；Under rotating plate 2
Side is provided with columned sliding block (sliding bar), and entire rotating part can be allowed flat along the respective annular through slot on pedestal
Surely, it accurately rotates, the diameter of the sliding block is consistent with the through slot of above-mentioned support.Preferentially, rotating plate 2 using integrative design and adds
Work, to prevent same material binding effect, which selects austenitic stainless steel material processing.
Preferably, rotating part can also include nut 3, match with sliding bar, can be used for arriving in rotation rotational angle
It is locked with support plate behind position, is measured using failing for the torsional spring 7 as fixed angle.By support 1 with connect
Part is screwed with box spanner or the force of the torque spanner with dial plate, and the correct position that torsional spring 7 is in when testing is simultaneously
Can be carrying out determining angle failure analysis testing along the rotation of desired working trajectory exactly, to be tested,
It also can be used locking nut 3 to fasten torsional spring, its long-time allowed to rest on hold mode on the operating angle position of needs；Locking screw
The preferably lower part of mother 3 has the nut of flange face；For the rotation of torsional spring 7 will to be had when torsional spring wants operating angle in test
Transfer part point is locked on fixed part；Flange face need to use blasting treatment below, and the work of torsional spring 7 is resisted with increasing friction force
Make torsion.Preferentially, locking nut selects the processing of A3 Steel material.
As shown in Figs. 1-5, coupling part one is fastened with fixed part, and one connect with rotating part, as shown in figure 5,
Coupling part includes mandrel, and mandrel is the body of rod that one end end has protrusion rotary table, is used for across support plate center step
Hole, so that torsional spring 7 can be sleeved on this thereon, what rotating plate was protruded into the end which passes through end ensure that torsional spring center as moved end
It is concentric with measuring device.
As shown in figure 5, mandrel is stepped cylindrical, top is that length is slightly larger than torsional spring height elongate cylinder, for installing lining
Set, lower part are that short and thick cylinder is used to be formed seam allowance cooperation with support to guarantee verticality requirement, in the mandrel in actual processing
It is preferred that concentricity, within 0.02, the seam allowance of its underpart need to be formed with support corresponding site to be interference fitted, and is guaranteed after assembling
Verticality is preferably within 0.02；It is external below to be provided with multiple place's screw thread via holes, for connecting, fastening with support.It is preferred that
The processing of 40Cr material can be selected in ground, mandrel.
In the present embodiment, bushing is preferably the circular cylinder as two, inner hole for being mounted on mandrel, it is external with
The contact of 7 inner ring of torsional spring, internal diameter is consistent after outer diameter is in maximum functional corner with torsional spring 7；Its selection be it is nonmetallic, with protect turn round
Spring 7 is not scratched.Polytetrafluoroethylene material processing preferably can be selected in bushing.
As shown in Fig. 2, mandrel to be first placed in the center of device before the measuring device work of the embodiment of the present invention, then will
Torsional spring 7, along the annular through groove of fixed part, can according to circumstances be exerted a force manually with rotating part with spanner or torque spanner, be rotated
Its rotating part, scale shown in pointer is the operating angle of torsional spring at this time, and torque value shown in torque spanner is the angle
Under torsional spring real work torque.
As shown in fig. 6, bushing 5 is inserted in torsional spring inner ring first, then torsional spring 7 is put into the hinge hole of rotating plate 2 when work
Centre, then the hinge hole of rotating plate 2 is inserted in mandrel synchronously completes being inserted in for 2 sliding block of rotating plate and 1 through slot of support,
Rotation rotating plate 2 is allowed to be close to fixed plate 6, while being close to one and rotating plate with fixed plate plane for one of torsional spring
Plane contact, as the starting zero degree of torsional spring 7, band upper locking nut are not necessarily to tighten at this time, after completing this step.It again will be with table
In the square hole of the square shaft insertion rotating plate of the torque spanner of disk, the steel ball of spanner is allowed to be embedded in the annular groove of rotating plate, with spanner or torque
Spanner rotation: as surveying when torsion-testing is tested using the torque spanner with gauge outfit, observing when reaching defined angle of pointer,
Corresponding torque value is recorded, the different torque values obtained by the test of selected different operating angle can calculate the torsional spring
Torque value.
Spanner is used when as failure testing, observes when reaching defined angle of pointer, then by locking nut screwing, then
It is put into rotating part with torque spanner, unclamps locking nut, record torque value this moment under the angle, place some cycles
Afterwards, locking nut is unclamped, torque value this moment under the angle is recorded, makees the data analysis that front and back compares, completes to lose under the angle
Effect test.
In the apparatus of the present, in addition to the cooperation of 4 components such as mandrel, support, fixed plate and rotating plate and positioning position
Size, geometric tolerance, the required precision of surface roughness it is higher；The precision and size of rest part are disposed as free public affairs
Difference can meet use, at low cost, processing technology and good economy performance.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to preferred embodiment, those skilled in the art should understand that, it can be right
Technical solution of the present invention is modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of torsional spring determines angle device for measuring force, including fixed part, rotating part and coupling part, which is characterized in that
The fixed part includes support and fixed plate, and the support is tabular, is provided with and torsional spring rotation direction
The annular through groove and the scale on arc groove side matched, for providing torsional spring rotation space and measurement torsional spring angle of rotation
Degree, the fixed plate is vertically set in abutment surface, for the support stationary plane as one end of torsional spring；
The rotating part includes rotating plate, which includes being set to being used to support torsional spring bottom and having central through hole for one end
Pedestal, be set to the pedestal side and protrude pedestal for be inserted into the arc-shaped slot with opposing arcuate slide cunning
Lever and be set to the rotating plate other end and with the pedestal it is coaxial make moved end, the torsional spring is for being coaxially disposed in pedestal
With make between moved end；
The coupling part includes mandrel, which is the body of rod that one end end has protrusion rotary table, is used for across the branch
The center stepped hole of seat, so that the torsional spring can be sleeved on the mandrel, the rotating plate is protruded into the end which passes through end
Make moved end；
By this method, by driving the rotating plate of the rotating part to rotate around center axis on the support, can drive torsional spring around
Mandrel torsion is obtained by measuring angle that the rotating plate rotates on the support and positioned at the device for measuring force measurement made on moved end
Torque, it can be achieved that torgue measurement to torsional spring.
2. a kind of torsional spring according to claim 1 determines angle device for measuring force, wherein the rotating part further includes nut,
It is matched with the sliding bar, can be used for that it being locked with support afterwards in place in the rotational angle, for as admittedly
Determine the torsional spring failure measurement of angle.
3. a kind of torsional spring according to claim 1 determines angle device for measuring force, wherein the rotating part makees moved end as tool
There is periphery in multilateral shape, the hollow cylinder that inner wall is square hole, for matching with external acting device and/or device for measuring force
Close installation.
4. a kind of torsional spring according to claim 3 determines angle device for measuring force, wherein the periphery in polygon be used for
Box spanner matching, so that box spanner force drives rotating part rotation.
5. a kind of torsional spring according to claim 4 determines angle device for measuring force, wherein the inner wall in the hole that is square be used for
Torque spanner connection and locking with dial plate, to measure the torque of rotation torsional spring.
6. a kind of torsional spring according to any one of claim 1 to 5 determines angle device for measuring force, wherein the rotating part
Rotating plate be located at the part made between moved end and pedestal be tabular, and the side of rotating plate corresponding with support scale in point
Sharp edge is used for as pointer corresponding with scale, to obtain the rotational angle of rotating plate.
7. a kind of torsional spring according to any one of claim 1 to 5 determines angle device for measuring force, wherein the fixed part
The bottom of support be provided with and the matched interface of clamping device.
8. a kind of torsional spring according to any one of claim 1 to 5 determines angle device for measuring force, wherein the fixed part
Fixed plate have arc flange, its displacement in the radial direction is limited when abutting for torsion spring end to fixed plate.
9. a kind of torsional spring according to any one of claim 1 to 5 determines angle device for measuring force, wherein the coupling part
It further include the bushing being socketed between the mandrel body of rod and torsional spring inner ring.
10. a kind of torsional spring according to claim 9 determines angle device for measuring force, wherein the lagging material be it is nonmetallic, with
Torsional spring is protected not to be scratched.
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| CN201611202184.5A CN106644442B (en) | 2016-12-23 | 2016-12-23 | A kind of torsional spring determines angle device for measuring force |
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| CN201611202184.5A CN106644442B (en) | 2016-12-23 | 2016-12-23 | A kind of torsional spring determines angle device for measuring force |
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| CN111964823B (en) * | 2020-08-12 | 2022-05-13 | 内蒙古第一机械集团股份有限公司 | Torsion detection device for torsion spring and simulated working condition detection method thereof |
| CN113176027B (en) * | 2021-03-26 | 2022-06-24 | 上海卫星工程研究所 | Spring tube torque measuring device and test method thereof |
| CN114346966B (en) * | 2021-12-30 | 2024-04-02 | 北京动力机械研究所 | Torsional spring installation tool for assembly tail wing |
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| CN106644442A (en) | 2017-05-10 |
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