CN205719357U - Rotate force test device - Google Patents

Rotate force test device Download PDF

Info

Publication number
CN205719357U
CN205719357U CN201620279470.0U CN201620279470U CN205719357U CN 205719357 U CN205719357 U CN 205719357U CN 201620279470 U CN201620279470 U CN 201620279470U CN 205719357 U CN205719357 U CN 205719357U
Authority
CN
China
Prior art keywords
connecting rod
test device
fixing
axle
force test
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620279470.0U
Other languages
Chinese (zh)
Inventor
李强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201620279470.0U priority Critical patent/CN205719357U/en
Application granted granted Critical
Publication of CN205719357U publication Critical patent/CN205719357U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

This utility model relates to a kind of rotation force test device.This device includes: the rotary shaft arranged along first axle;Fix the cursor being connected with described rotary shaft, described cursor is provided with pressure tester, there is between described pressure tester and described axis the distance of setting;Connecting rod, described link detachable ground fixes with the rotating part of test specimen to be measured and is connected, and described connecting rod and described rotating part energy synchronous axial system, and the contact arm of described connecting rod is positioned on the motion path of described pressure tester;And for fixing the fixing device of the fixed part of described test specimen to be measured, described rotating part is configured to rotate around fixed part and along the second axis, and described second axis is consistent with the direction of described first axle.A revolving force that technical problem is that rotary earphone to be solved in the utility model cannot be tested.One purposes of utility model is to test for revolving force.

Description

Rotate force test device
Technical field
This utility model relates to measurement jig technical field, more specifically, this utility model relates to a kind of rotation force test device.
Background technology
At present, the active force going out cylinder record rotation tuning part of wired earphone cannot be described by data, is only defined by feel.Along with gradually increasing of adjustable earphone, user is more and more higher to the requirement rotating feel.But, the revolving force going out cylinder record only by virtue of experience carries out with hands detecting to exist to detect being forbidden, it is impossible to weigh revolving force size, it is impossible to the revolving force holding making product is consistent, thus can not instruct commercial production.
Utility model content
A purpose of the present utility model is to provide a kind of new solution rotating force test device.
According to an aspect of the present utility model, it is provided that a kind of rotation force test device.This device includes:
The rotary shaft arranged along first axle;
Fix the cursor being connected with described rotary shaft, described cursor is provided with pressure tester, there is between described pressure tester and described axis the distance of setting;
Connecting rod, described link detachable ground fixes with the rotating part of test specimen to be measured and is connected, and described connecting rod and described rotating part energy synchronous axial system, and the contact arm of described connecting rod is positioned on the motion path of described pressure tester;And
For fixing the fixing device of the fixed part of described test specimen to be measured, described rotating part is configured to rotate around fixed part and along the second axis, and described second axis is consistent with the direction of described first axle.
Preferably, described first axle and described second dead in line.
Preferably, described cursor is L-shaped, and the end on the first limit of described cursor is fixing with described rotary shaft to be connected, and the second limit of described cursor is parallel with described first axle, and described pressure tester is arranged on described second limit.
Preferably, the contact arm of described connecting rod is perpendicular to described second axis.
Preferably, described connecting rod is fixing with described rotating part at the middle part of its bearing of trend is connected.
Preferably, described rotating part is provided with groove, described connecting rod is provided with and the projection of described groove match, described protruding inserts described groove so that described rotating part and described connecting rod synchronous axial system.
Preferably, described fixing device includes base, location division and sliding part;Described location division is arranged on described base, described sliding part includes slide block, outer shaft, flexible member and fixes the interior axle being connected with described slide block, described outer shaft is fixed on described base, described interior axle is slidably disposed through described outer shaft, and described flexible member is arranged between described outer shaft and described interior axle so that described location division clamps described fixed part with described slide block.
Preferably, described flexible member is spring, and described spring housing is located at outside described interior axle, and one end of described spring is connected to described slide block, and the other end of described spring is connected to described outer shaft.
Preferably, described fixing device also includes that operating portion, described operating portion include pull bar, support and handle;Described support is arranged on described base, the end of described handle and described holder pivots are connected to the first rotating fulcrum, described pull bar is L-shaped, one end of described pull bar is rotationally connected with one end away from described slide block of described interior axle, the other end of described pull bar and described handle are rotationally connected with the second rotating fulcrum, and described pull bar protrudes to the side away from described base.
Preferably, framework and the driving means driving described rotary shaft to rotate also are included;Described framework includes that bottom and the top being oppositely arranged, described driving means and described rotary shaft are arranged on described top, and described fixing device is arranged on described bottom.
One of the present utility model has technical effect that, this rotation force test device is provided with pressure tester, can test the revolving force of test specimen to be measured accurately and rapidly, thus the commercial production treating test block instructs.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, further feature of the present utility model and advantage thereof will be made apparent from.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiment of the present utility model, and is used for together with the description explaining principle of the present utility model.
The structural representation rotating force test device of Fig. 1: this utility model embodiment.
The right view rotating force test device of Fig. 2: this utility model embodiment.
The cylinder record that goes out of Fig. 3: this utility model embodiment rotates tuning part-structure schematic diagram.
The cylinder record that goes out of Fig. 4: this utility model embodiment rotates the top view of tuning part.
Fig. 5: the structural representation of the fixing device of this utility model embodiment.
In figure, 1: motor;101: rotary shaft;102: cursor;103: pressure transducer;2: connecting rod;201: contact arm;301: rotating part;3011: groove;302: fixed part;4: framework;401: top;402: bottom;501: base;502: location division;5031: slide block;5032: outer shaft;5033: spring;5034: interior axle;504: operating portion;5041: pull bar;5042: support;5043: handle;5044: the first rotating fulcrums;5045: the second rotating fulcrums;A: first axle;B: the second axis.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this utility model and application thereof or any restriction of use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in the appropriate case, described technology and equipment should be considered a part for description.
In shown here and all examples of discussing, any occurrence should be construed as merely exemplary rather than as limiting.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
This utility model provides a kind of rotation force test device.As shown in Figure 1-2, this device includes: rotary shaft 101, cursor 102, pressure tester, connecting rod 2 and fixing device.Rotary shaft 101 is arranged along first axle A, is used for providing rotational power.Wherein, the source of power can have that various ways, such as motor 1 drive, hydraulic-driven is the most manual etc. can, as long as test specimen to be measured can be made to rotate.The axis that the i.e. rotary shaft 101 of first axle A rotates.Cursor 102 is fixing with rotary shaft 101 to be connected, and pressure tester is arranged on cursor 102.Pressure tester, for measuring frictional force when rotating of test specimen to be measured, has the distance of setting between pressure tester and first axle A.Pressure tester can be, but not limited to, pressure transducer 103, Pressure gauge etc..Fixing device is used for fixing test specimen to be measured.Those skilled in the art it should be recognized that, test specimen to be measured, such as go out cylinder record and rotate tuning part, as shown in Figure 3-4, at least include fixed part 302 and rotating part 301, rotating part 301 is connected with fixed part 302, and rotating part 301 rotates around fixed part 302, rotating part 301 actually rotates along an axis, this axis that is second axis B, for ensureing the accuracy measured, the second axis B is consistent with the direction of first axle A.Between rotating part 301 and fixed part 302, there is frictional force, this frictional force reflects the complexity that rotating part 301 rotates, the formation of this frictional force is mainly due to the stress formed when assembling between rotating part 301 and fixed part 302, by regulation rotating part 301 and the size of fixed part 302 and assembly precision, the regulation of this frictional force size can be realized, thus meet user and earphone is rotated the demand of feel.
In this utility model, as shown in Figure 1 and Figure 5, fixing device is used for fastening fixture portion 302, so that fixed part 302 position is fixed.Connecting rod 2 is test appurtenance, and connecting rod 2 is fixing with rotating part 301 to be connected, so that connecting rod 2 and test specimen energy synchronous axial system to be measured.The contact arm 201 of connecting rod 2 is for contacting the pressure-sensitive position of pressure tester, to measure the contact arm 201 pressure to pressure-sensitive position when rotating part 301 rotates.
When this device uses, main operational steps is as follows:
S1, by test specimen to be measured, the fixed part 302 rotating tuning part as gone out cylinder record is fixedly attached in fixing device;
S2, it is connected fixing for connecting rod 2 and rotating part 301;
S3, the distance adjusted between first axle A and the second axis B, so that the contact arm 201 of connecting rod 2 is positioned on the motion path of pressure tester;
S4, slowly rotation rotary shaft 101, pressure tester is made to contact with the contact arm 201 of connecting rod 2, and it is slowly increased active force, so that rotating part 301 rotates, now, owing to rotary shaft 101 is continuously applied to active force, the registration of pressure tester is gradually increased, when rotating part 301 rotates, and the registration of pressure tester reaches peak value, record this numerical value.
Those skilled in the art can calculate the size of rotating part 301 and the frictional force of fixed part 302 according to the relation that power is equal with arm of force product.Wherein, the contact point of pressure tester and connecting rod 2 is directed force F to the distance of the second axis B arm of force L, the radius of gyration r of rotating part 301 are the arm of force of frictional force f.Its relation is as follows: F*L=f*r
Thus draw: wherein, power and the arm of force all use iu to f=F*L/r.
Those skilled in the art can arrange data handling system according to routine techniques means, is measured by pressure value by pressure transducer 103.Then data handling system gathers this data, calculates frictional force according to built-in program.
This device is used to carry out revolving force test, easy to operate, and accuracy is high, the commercial production treating test block has directive significance.
In order to the test making revolving force is more accurate and easy to operate, as shown in Figure 1-2, in a kind of specific embodiment of the present utility model, first axle A and the second axis B overlaps.So, cursor 102 can rotate with coaxial line with the rotating part 301 of test specimen to be measured.Further, connecting rod 2 is identical with the radius of gyration of pressure tester, can improve tonometric accuracy.
Overlap to realize first axle A and the second axis B, in a kind of specific embodiment of the present utility model, as shown in Figure 1-2, rotate bottom 402 and top 401 that force test device also includes that framework 4, framework 4 include being oppositely arranged.Wherein, rotary shaft 101 is arranged on framework 4 top 401, and fixing device is arranged on the bottom 402 of framework 4.Cursor 102 and pressure tester space between top 401 and bottom 402.The fastening position of rotary shaft 101 and fixing device is coaxially set.This structure substantially increases the integration degree rotating force test device, and the measurement making revolving force is convenient.
Further, in order to make test more convenient, as shown in Figure 1-2, framework 4 is additionally provided with driving means, such as motor 1.The set-up mode of motor 1 has multiple, such as, motor 1 is arranged on top 401, and the output shaft of motor 1, as rotary shaft 101, is directly fixed with cursor 102 and is connected.Such as being arranged on framework 4 by motor 1, use the modes such as gear drive, belt rotation or chain drive the output shaft of motor 1 and rotary shaft 101 to be attached, such motor 1 can not be limited by installation site.
In a kind of specific embodiment of the present utility model, cursor 102 has multiple with the type of attachment of rotary shaft 101, such as cursor 102 is straight-arm, its one end is fixed in rotary shaft 101, the other end is provided with pressure tester, cursor 102 becomes, with rotary shaft 101, the angle of inclination set, and the most now the rotation path of cursor 102 is cone.This structure manufacture is installed simpler.Such as, cursor 102 is combined by a plurality of straight-arm, in a kind of specific embodiment of the present utility model, as it is shown in figure 1, cursor 102 is formed L-shaped by two straight-arm combinations, the end on the first limit of cursor 102 is fixing with rotary shaft 101 to be connected, second limit of cursor 102 is parallel with first axle A, pressure tester is arranged on the second limit, easy to use in order to save space, and pressure tester is arranged on the one end away from the first limit on the second limit.In order to make the firm in structure of turning arm, turning arm uses stainless steel material to process.
In order to make revolving force test more accurate, to reduce the impact of connecting rod 2 weight, as shown in Figure 1 and Figure 5, in a kind of specific embodiment of the present utility model, the aluminum alloy material that connecting rod 2 uses density less manufactures.And the contact arm 201 of connecting rod 2 is perpendicular to the second axis B, so it is more convenient for measuring the length of the arm of force of pressure tester.And turning arm will not produce the component along first axle A to connecting rod 2 so that active force is more concentrated.Further, connecting rod 2 is fixing with rotating part 301 at the middle part of its bearing of trend is connected.So can avoid, owing to the weight of connecting rod 2 self causes the deflection of test specimen to be measured, adding the stability of test specimen to be measured, and reducing measurement error.
Additionally, be connected with the fixing of rotating part 301 for the ease of connecting rod 2, as shown in Figure 3-4, rotating part 301 is provided with groove 3011.In some instances, as shown in Figure 4, groove 3011 is provided with 2, and is oppositely arranged.The shape of groove 3011 can be, but not limited to, rectangle, triangle, sector, trapezoidal etc..Additionally, for the ease of the placed angle and the direction of rotation that identify test specimen to be measured, 2 grooves 3011 are arranged to small one and large one two kinds of sizes.Being provided with the projection matched with groove 3011 on connecting rod 2, correspondingly, convex design is small one and large one two, protruding inserts groove 3011 so that rotating part 301 and connecting rod 2 is fixing connects and can synchronous axial system.Certainly, groove 3011 does not limits, as long as meeting rotating part 301 and the connection of connecting rod 2 and being easily installed with protruding set-up mode this utility model.
For the ease of the fastening of fixed part 302, one of the present utility model preferred embodiment in, as it is shown in figure 5, fixing device includes base 501, location division 502 and sliding part.Location division 502 is arranged on base 501.Sliding part includes slide block 5031, outer shaft 5032, flexible member and the interior axle 5034 that be connected fixing with slide block 5031.Outer shaft 5032 is fixed on base 501, and interior axle 5034 is slidably through outer shaft 5032, and flexible member is arranged between outer shaft 5032 and interior axle 5034, the portion 302 so that location division 502 and slide block 5031 are fixedly clamped.It is understood that interior axle 5034 slides along outer shaft 5032, location division 502 is positioned in the telescopic direction of axle 5034.The position that location division 502 is relative with slide block 5031 can be designed to the shape matched with the profile of fixed part 302 by those skilled in the art, in order to be fixedly clamped portion 302.Additionally, the size difference of different test specimens to be measured is the biggest.In order to the rotating part 301 of different test specimens to be measured be set to when test rotate along first axle A (first axle A is coaxial with the second axis B), location division 502 is arranged to move on base 501, i.e. adjust the position of fastening position according to different test specimens to be measured, adjust suitable after stationary positioned portion 502 again.
Fixing device can be integrally fixed to the bottom 402 of framework 4, it is also possible to be the bottom 402 of framework 4 be same parts with the base 501 of fixing device, location division 502 and sliding part are arranged on the bottom of framework.
Flexible member can be, but not limited to, spring, elastic rubber etc..In a kind of specific embodiment of the present utility model, the flexible member of fixing device is spring 5033.This spring 5033 can be compression spring or stretching spring.When using compression spring, compression spring is set in outside interior axle 5034, and one end of compression spring is connected to slide block 5031, and the other end of compression spring is connected to the sidewall of outer shaft 5032.When using stretching spring, stretching spring housing is located at the outer surface of interior axle 5034, and in the gap between interior axle 5034 and outer shaft 5032.One end of stretching spring is fixed on the outer surface of interior axle 5034, and the other end is fixed on outer shaft 5032.When test specimen to be measured is installed, first, pull interior axle 5034 to the direction in remotely located portion 502, make slide block 5031 separate with location division 502;Then, fixed part 302 is put between slide block 5031 and location division 502;Finally, interior axle 5034 resilience under the active force of spring 5033 is made, with the portion of being fixedly clamped 302.The disassembling operations of test specimen to be measured is very convenient.
For the ease of the operation of fixing device, as it is shown in figure 5, fixing device also includes that operating portion 504, operating portion 504 include pull bar 5041, support 5042 and handle 5043.Support 5042 is arranged on base 501, the end of handle 5043 and support 5042 are rotationally connected with the first rotating fulcrum 5044, one end of pull bar 5041 is rotationally connected with one end away from slide block 5031 of interior axle 5034, and the other end of pull bar 5041 and handle 5043 are rotationally connected with the second rotating fulcrum 5045.It is understood that owing to the first rotating fulcrum 5044 is positioned at the end of handle 5043, then the position of the second rotating fulcrum 5045 relative to the first rotating fulcrum 5044 closer to interior axle 5034.When test specimen to be measured is installed, to the side pull handle 5043 in remotely located portion 502, then handle 5043 rotates with the first rotating fulcrum 5044 for axle, and handle 5043 drives pull bar 5041 to move, pull bar 5041 drives interior axle 5034 to slide along outer shaft 5032, makes the remotely located portion of slide block 5,031 502.After test specimen to be measured is in place, unclamping handle 5043, spring 5033 drives interior axle 5034 to move to being fixed portion 302.The installation of test specimen the most to be measured, cantilever is L-shaped.During installation, cantilever protrudes to the direction away from base 501.During use, when pull handle 5043 rotates beyond equilibrium point around the first rotating fulcrum 5044, at the position i.e. maximum displacement when the first rotating fulcrum 5044 of the equilibrium point i.e. direction of the restoring force of spring 5033, during as rotated clockwise more than 180 °, owing to the effect of spring 5033 pulling force can make handle 5043 continue to rotate clockwise, but now handle 5043 can be by the stop of base 501, so that handle 5043 is fixed to this position, so that slide block 5031 is in open mode.Now, operator need not one and pull handle 5043, and another hands installs test specimen to be measured.And the hands holding handle 5043 can be discharged, both hands install test specimen to be measured, make test specimen to be measured location more accurate.After test specimen to be measured is in place, opposite direction moving handle 5043, handle 5043 is crossed equilibrium point rear spring 5033 resilience, is compressed test specimen to be measured.Easy to operate.
Although being described in detail specific embodiments more of the present utility model by example, but it should be appreciated by those skilled in the art, above example is merely to illustrate rather than in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, in the case of without departing from scope and spirit of the present utility model, above example can be modified.Scope of the present utility model is defined by the following claims.

Claims (10)

1. one kind rotates force test device, it is characterised in that including:
The rotary shaft (101) arranged along first axle (A);
The cursor (102) that be connected fixing with described rotary shaft (101), described cursor (102) is provided with pressure tester, has the distance of setting between described pressure tester and described axis;
Connecting rod (2), described connecting rod (2) is removably fixing with the rotating part (301) of test specimen to be measured to be connected, and described connecting rod (2) and described rotating part (301) energy synchronous axial system, the contact arm (201) of described connecting rod (2) is positioned on the motion path of described pressure tester;And
For fixing the fixing device of the fixed part (302) of described test specimen to be measured, described rotating part (301) is configured to rotate around fixed part (302) and along the second axis (B), and described second axis (B) is consistent with the direction of described first axle (A).
Rotation force test device the most according to claim 1, it is characterised in that described first axle and described second dead in line.
Rotation force test device the most according to claim 2, it is characterized in that, described cursor (102) is L-shaped, the end on the first limit of described cursor (102) is fixing with described rotary shaft (101) to be connected, second limit of described cursor (102) is parallel with described first axle, and described pressure tester is arranged on described second limit.
Rotation force test device the most according to claim 3, it is characterised in that the contact arm (201) of described connecting rod (2) is perpendicular to described second axis.
Rotation force test device the most according to claim 4, it is characterised in that described connecting rod (2) is fixing with described rotating part (301) at the middle part of its bearing of trend to be connected.
Rotation force test device the most according to claim 4, it is characterized in that, described rotating part (301) is provided with groove (3011), it is provided with the projection matched with described groove (3011) on described connecting rod (2), described protruding inserts described groove (3011) so that described rotating part (301) and described connecting rod (2) synchronous axial system.
Rotation force test device the most according to claim 2, it is characterised in that described fixing device includes base (501), location division (502) and sliding part;Described location division (502) is arranged on described base (501), described sliding part includes slide block (5031), outer shaft (5032), flexible member and the interior axle (5034) that be connected fixing with described slide block (5031), described outer shaft (5032) is fixed on described base (501), described interior axle (5034) is slidably disposed through described outer shaft (5032), described flexible member is arranged between described outer shaft (5032) and described interior axle (5034) so that described location division (502) and described slide block (5031) clamp described fixed part (302).
Rotation force test device the most according to claim 7, it is characterized in that, described flexible member is spring (5033), described spring (5033) is set in outside described interior axle (5034), one end of described spring (5033) is connected to described slide block (5031), and the other end of described spring (5033) is connected to described outer shaft (5032).
Rotation force test device the most according to claim 7, it is characterized in that, described fixing device also includes that operating portion (504), described operating portion (504) include pull bar (5041), support (5042) and handle (5043);Described support (5042) is arranged on described base (501), the end of described handle (5043) and described support (5042) are rotationally connected with the first rotating fulcrum (5044), described pull bar (5041) is L-shaped, one end of described pull bar (5041) is rotationally connected with one end away from described slide block (5031) of described interior axle (5034), the other end of described pull bar (5041) and described handle (5043) are rotationally connected with the second rotating fulcrum (5045), described pull bar (5041) protrudes to the side away from described base (501).
Rotation force test device the most according to claim 1, it is characterised in that also include framework (4) and the driving means driving described rotary shaft (101) to rotate;Described framework (4) includes bottom (402) and top (401) being oppositely arranged, described driving means and described rotary shaft (101) are arranged on described top (401), and described fixing device is arranged on described bottom (402).
CN201620279470.0U 2016-04-06 2016-04-06 Rotate force test device Active CN205719357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620279470.0U CN205719357U (en) 2016-04-06 2016-04-06 Rotate force test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620279470.0U CN205719357U (en) 2016-04-06 2016-04-06 Rotate force test device

Publications (1)

Publication Number Publication Date
CN205719357U true CN205719357U (en) 2016-11-23

Family

ID=57312338

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620279470.0U Active CN205719357U (en) 2016-04-06 2016-04-06 Rotate force test device

Country Status (1)

Country Link
CN (1) CN205719357U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108036885A (en) * 2018-01-16 2018-05-15 歌尔股份有限公司 Straw torque force testing tooling
CN114001854A (en) * 2021-11-01 2022-02-01 湖南凌翔磁浮科技有限责任公司 Testing device for measuring end force of external rotating rod piece

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108036885A (en) * 2018-01-16 2018-05-15 歌尔股份有限公司 Straw torque force testing tooling
CN108036885B (en) * 2018-01-16 2024-04-30 歌尔股份有限公司 Wheat straw torsion testing tool
CN114001854A (en) * 2021-11-01 2022-02-01 湖南凌翔磁浮科技有限责任公司 Testing device for measuring end force of external rotating rod piece
CN114001854B (en) * 2021-11-01 2023-09-22 湖南凌翔磁浮科技有限责任公司 Testing device for measuring end force of external rotating rod piece

Similar Documents

Publication Publication Date Title
WO2021217719A1 (en) Elasticity modulus meter
TW201248119A (en) Device for testing deformation
EP3156786B1 (en) Compression heat-generation detector and method therefor
CN103954262A (en) Device for measuring radial deformation of cylindrical test piece
KR101514296B1 (en) Equipment for inspecting torque of torsion spring
WO2019109527A1 (en) Tester
CN205719357U (en) Rotate force test device
CN103363935B (en) Full-automatic worm wheel double-meshing measuring machine
CN205748914U (en) Bearing rotary torsional moment test device
CN104266558A (en) Internal tooth and external tooth symmetry degree detecting device
CN105067174A (en) Isolation switch contact pressure measuring device
CN111982665A (en) Contrast detection device for balance experiment of mechanical buffer material
CN105651152B (en) A kind of probe linkage turbine blade positioning measuring device
CN106092874A (en) A kind of measurement apparatus
CN108152144B (en) Force application detection device and force application test method
CN109764836A (en) A kind of antiwear high-precision ultrasonic calibrator suitable for small pipeline
CN110026330B (en) Piston sounding device, probe calibration device and method for calibrating probe
CN206074254U (en) A kind of device for testing dynamic stiffness of ball-screw
CN205138770U (en) Coil spring touches and indicates radial pressure measuring device
CN208254447U (en) A kind of circularity cylindrical form measuring instrument
CN103323535B (en) Ultrasonic detection device for residual stress on near surface of hole or cavity
CN108760496A (en) Evolvent type flexible material multi-shaft stretching testing machine
CN214844980U (en) Adjustable eddy current probe clamping device
JP3162609U (en) Thin plate testing machine
CN212111606U (en) Executor testing arrangement and executor test cabinet

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant