CN206865554U - Mobile phone gravity detection means - Google Patents
Mobile phone gravity detection means Download PDFInfo
- Publication number
- CN206865554U CN206865554U CN201720406032.0U CN201720406032U CN206865554U CN 206865554 U CN206865554 U CN 206865554U CN 201720406032 U CN201720406032 U CN 201720406032U CN 206865554 U CN206865554 U CN 206865554U
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- axis
- rotary driver
- detection means
- axis rotary
- 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
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a kind of mobile phone gravity detection means, the mobile phone gravity detection means includes the Z axis rotary driver of fixed setting, is fixedly connected on the Y-axis rotary driver of the Z axis rotary driver output end and is fixedly connected on the mobile phone posting of the Y-axis rotary driver output end, and the mobile phone positioning fixture for locating cellphone is rotatablely arranged in the mobile phone posting；The mobile phone gravity detection means also includes X-axis rotary driver, and the X-axis rotary driver is fixedly installed on the mobile phone posting and drives the relatively described mobile phone posting of the mobile phone fixture to turn about the X axis.Mobile phone gravity detection means provided by the utility model can realize that its structure is also very succinct and compact while carrying out Function detection to mobile phone gravity sensor.
Description
Technical field
A kind of measurement jig is the utility model is related to, more particularly to a kind of hand for being used to detect mobile phone gravity sensor performance
Machine gravity detection means.
Background technology
The generally built-in gravity sensor of mobile phone, and the data message measured according to gravity sensor judges the angle position of mobile phone
Put, and then the hanging up of the display direction of control display screen, phone, automatic mute etc..Therefore, it is built in the gravity sensor of mobile phone
Performance it is whether good, have very important influence to the usage comfort of mobile phone.
Therefore, after mobile phone is completed, the performance of the gravity sensor of mobile phone should be detected.Existing mobile phone
The performance test of gravity sensor, usually rely on the manually operated mobile phone of operating personnel and overturn, due to manually operated deflection
Angle and movement range can not be controlled accurately, cause the performance detection of the gravity sensor of mobile phone ineffective.
For this reason, it may be necessary to a kind of detection means that automatic detection is carried out to gravity sensor built in mobile phone is provided, to substitute people
Work turning operation, detection efficiency and Detection results are improved, so as to avoid the product of mobile phone gravity sensor dysfunction from flowing out.
Utility model content
The purpose of this utility model is to provide a kind of detection means that automatic detection is carried out to gravity sensor built in mobile phone,
To substitute artificial turning operation, detection efficiency and Detection results are improved, so as to avoid the production of mobile phone gravity sensor dysfunction
Product flow out.
To achieve these goals, the utility model discloses a kind of mobile phone gravity detection means, the mobile phone gravity inspection
Surveying device includes the Z axis rotary driver of fixed setting, is fixedly connected on the Y-axis rotation of the Z axis rotary driver output end
Driver and the mobile phone posting for being fixedly connected on the Y-axis rotary driver output end, the mobile phone for locating cellphone position
Fixture is rotatablely arranged in the mobile phone posting；The mobile phone gravity detection means also includes X-axis rotary driver, institute
State X-axis rotary driver be fixedly installed on the mobile phone posting and drive the relatively described mobile phone posting of the mobile phone fixture around
X-axis rotates.
Compared with prior art, mobile phone gravity detection means provided by the utility model, is provided with X-axis rotary driver, Y
Axle rotary driver and Z axis rotary driver, to drive by the mobile phone of mobile phone positioning fixture clamping position with X-axis, Y-axis, Z axis
Centered on rotate so that mobile phone can in multiple directions upset to predetermined angle, pass through the detection device and hand of peripheral hardware
Machine communication connection obtains the processing data of mobile phone, and then whether the gravity sensor function that judgement is built in mobile phone is good.Root
According to mobile phone gravity detection means provided by the utility model, determined by being fixedly connected with mobile phone in Y-axis rotary driver output end
Position frame, and drive mobile phone positioning fixture to be rotated relative to mobile phone posting by X-axis rotary driver so that the utility model provides
Mobile phone gravity detection means can realize to mobile phone gravity sensor carry out Function detection while, its structure is also very simple
It is clean and compact.
Preferably, the output end of the Z axis rotary driver is fixedly connected with a rotating seat；Two Y-axis rotate driving
Device is fixedly installed on the side that the rotating seat deviates from the Z axis rotary driver, and the two Y-axis rotary drivers are relatively described
The axisymmetry of rotating seat is set, and the rotary shaft of the two Y-axis rotary driver output ends is conllinear.
Specifically, the both sides of the mobile phone posting are respectively fixedly connected with the output end of the two Y-axis rotary drivers.
Preferably, the mobile phone positioning fixture includes positioning plate, and it is respectively arranged at the adjacent both sides of the positioning plate
The first locating piece and the second locating piece at side, the diagonal angle in first locating piece and the second locating piece angle direction
It is provided with penetrating mechanism.
Specifically, the side of the positioning plate is additionally provided with level meter.
Preferably, the mobile phone gravity detection means includes frame and is arranged at the shell of frame, the X-axis rotates driving
Device, the Y-axis rotary driver, the Z axis rotary driver and the mobile phone posting may be contained within the shell；Institute
The side wall for stating shell offers and picks and places mouth.
Specifically, the both sides for picking and placeing mouth are correspondingly arranged on safe grating.
Preferably, the mobile phone gravity detection means corresponds to the X-axis rotary driver, the Y-axis rotary driver, institute
State Z axis rotary driver and be also respectively provided with angular position sensor.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model mobile phone gravity detection means.
Fig. 2 is the internal structure schematic diagram of the utility model mobile phone gravity detection means.
Fig. 3 is the attachment structure schematic diagram of mobile phone posting and mobile phone positioning fixture.
Fig. 4 is the structural representation of mobile phone positioning fixture.
Embodiment
To describe technology contents of the present utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates accompanying drawing to be explained in detail.
As depicted in figs. 1 and 2, mobile phone gravity detection means provided by the utility model, including the Z axis of fixed setting rotate
Driver 500, the Y-axis rotary driver 400 for being fixedly connected on the output end of Z axis rotary driver 500 and it is fixedly connected on Y-axis
The mobile phone posting 600 of the output end of rotary driver 400, the mobile phone positioning fixture 700 for locating cellphone A00 are rotationally set
It is placed in mobile phone posting 600；Mobile phone gravity detection means also includes X-axis rotary driver 300, and X-axis rotary driver 300 is solid
Surely it is arranged at mobile phone posting 600 and drives mobile phone positioning fixture 700 to be turned about the X axis with respect to mobile phone posting 600.With reference to Fig. 3-
Shown in Fig. 4, more specifically：
Mobile phone gravity detection means as shown in Figure 1, including frame 100 and the shell 200 for being arranged at the upside of frame 100.
Control unit and power part, such as motor, motor, PLC, X-axis rotary driver as shown in Figure 2 are provided with frame 100
300th, Y-axis rotary driver 400, Z axis rotary driver 500 and mobile phone posting 600, mobile phone positioning fixture 700 are arranged at machine
The upside of frame 100, and the shell 200 for being arranged at the upside of frame 100 is covered；It is provided with shell 200 for being made for industry people
Member is operated to control the man-machine interface 210 of the mobile phone gravity detection means, mouse-keyboard 220, control button 230 etc., shell 200
On be additionally provided with indicator lamp 240 for showing mobile phone gravity detection means working condition.
Preferably, to reduce interference of the external environment condition to testing result, the mobile phone in detection should be carried out every magnetic.Specifically
In the present embodiment, shell 200 can be by being made, to cause the mobile phone quilt positioned by mobile phone positioning fixture 700 every magnetic material
Every magnetic.
Preferably, as shown in figure 1, mobile phone gravity detection means provided by the utility model, in offering use on shell 200
In picking and placeing mouth 250 to pick and place mobile phone A 00 in the mobile phone positioning fixture 700 shown in Fig. 2 for operating personnel.In the present embodiment,
Frame 100 and shell 200 are in cube structure, pick and place mouth 250 and are opened in the vertical side walls of shell 200 and man-machine interface
210 and mouse-keyboard 220 etc. are arranged at the same side.Preferably, the both sides for putting mouth are correspondingly arranged on safe grating 260.
As shown in Fig. 2 Z axis rotary driver 500 is fixedly installed on the upside of frame 100, and Z axis rotary driver 500
Output end be fixedly installed a rotating seat 510；Y-axis rotary driver 400 has two, and two Y-axis rotary drivers 400 are solid
Surely the side that rotating seat 510 deviates from Z axis rotary driver 500 is arranged at, and two Y-axis rotary drivers 400 rotate against seat
510 rotary shaft is point-symmetrically symmetrical arranged, the rotary shaft of the output end of two Y-axis rotary driver 400 is conllinear；Two Y-axis turn
Dynamic driver 400 turns about the Z axis under the driving of Z axis rotary driver 500.Mobile phone posting 600 is arranged at two Y-axis and rotated
Between driver 400, and the output end of two Y-axis rotary drivers 400 is respectively fixedly connected with two in mobile phone posting 600
Side, thus mobile phone posting 600 rotates under the common driving of two Y-axis rotary drivers 400 around Y-axis.Specifically in this implementation
In example, the rotating shaft of the output end of Z axis rotary driver 500 is in vertical direction, is fixedly attached to the output end of Z axis rotary driver 500
The rotating seat 510 of upper end is in horizontally disposed；In the rotary shaft of the output end of two Y-axis rotary drivers 400 is horizontally oriented,
Thus mobile phone posting 600 can turn in the presence of Y-axis rotary driver 400 and Z axis rotary driver 500 around Y-axis and Z axis
It is dynamic.
Again incorporated by reference to shown in Fig. 2 and Fig. 3, rotatably arranged with there is mobile phone positioning fixture 700 in mobile phone posting 600, and
In the rotary shaft of the relative mobile phone posting 600 of mobile phone positioning fixture 700 is horizontally oriented, and it is located normal to the X of Y direction
In direction of principal axis；The drive end for being fixedly installed on the X-axis rotary driver 300 of mobile phone posting 600 is fixedly attached to mobile phone positioning
The rotary shaft of fixture 700 and mobile phone posting 600, to drive mobile phone positioning fixture 700 with respect to mobile phone posting 600 around X-axis side
Inwardly rotate.Specifically in the present embodiment, X-axis rotary driver 300 is fixedly installed on the outer wall of mobile phone posting 600, mobile phone
The rotary shaft that positioning fixture 700 is used to be rotatably connected at mobile phone posting 600 stretches out mobile phone posting 600 and is connected to X
The drive end of axle rotary driver 300.According to the structure, with reference to foregoing Y-axis rotary driver 400 and Z axis rotary driver
500 so that can be rotated by the mobile phone A 00 of the clamping position of mobile phone positioning fixture 700 around X-axis, Y-axis and Z axis.
To the gravity detection performance of mobile phone, specifically include：Gravity angle is detected, is revolved by mobile phone along X-axis, Y-axis, Z axis
Turn, the angle value of testing mobile phone transverse screen/portrait layout switching；To gravity sensing detection value/state verification, mobile phone respectively with X-axis, Y-axis,
Record mobile phone gravity sensor measured value after Z axis rotates 0 °, 45 °, 90 °, 180 °；The gravity sensitive response time is detected, is passed through
Testing mobile phone reaches the time that the angle of switching horizontal/vertical screen is rotated to mobile phone screen, to obtain the gravity sensitive corresponding time；
Gravity sensing is calibrated under engineering mode, and whether calibration value of the detection mobile phone after the calibration under corresponding modes meets the requirements；Rotation
Angular speed is tested, and mobile phone is rotated with 90dps, 180dps, 270dps, 360dps respectively along X-axis, Y-axis, Z axis, detects mobile phone
Measured value whether meet the requirements；Engineering mode calibration test, testing mobile phone under engineering mode in X-axis, Y-axis, the value of Z axis and
Restart the calibration value after mobile phone, whether the calibration value for detecting mobile phone meets the requirements.To reach above-mentioned test request, this practicality is new
In the mobile phone gravity detection means that type provides, X-axis rotary driver 300, Y-axis rotary driver 400 and Z axis rotary driver
500, its angular velocity of rotation can adjust in -1080dps to 1080dps respectively, and the time is accurate to 0.05s, and angle is accurate
To 1 °, angular speed is accurate to 0.5dps, to ensure measurement accuracy.Specifically in the present embodiment, X-axis rotary driver 300, Y-axis
Rotary driver 400 and the predeterminable conventional angular speed gear of Z axis rotary driver 500, such as 90dps, 180dps,
270dps、360dps.Under above-mentioned test request, those skilled in the art can be as needed to selecting existing angular speed
Adjusting device, tired state is not added with herein.
Refer to again shown in Fig. 4, mobile phone positioning fixture 700 includes positioning plate 710, and the both sides of positioning plate 710 protrude out
Form the rotary shaft for being rotatably connected to mobile phone posting 600；710 generally rectangular shaped structure of positioning plate, in positioning
Bottom plate 710 is provided with the first locating piece 720 and the second locating piece 730 respectively at adjacent two side, in the first locating piece 720 and
The diagonal angle in the angle direction of two locating pieces 730 is provided with penetrating mechanism 740.According to the structure, mobile phone A 00 is positioned over positioning bottom
After on plate 710, moved under the driving of penetrating mechanism 740 to the direction of the first locating piece 720 and the second locating piece 730, with reality
Now to mobile phone A00 clamping position.
It should be understood that the substantially rounded rectangle of existing mobile phone appearance and size.Above-mentioned mobile phone positioning fixture 700,
Respectively by the first locating piece 720 of adjacent two side and the second locating piece 730 the adjacent two side of mobile phone is carried out it is spacing, set
It is placed in the diagonal of the ejection mobile phone of penetrating mechanism 740 of the diagonal angle in the angle direction of the first locating piece 720 and the second locating piece 730
One jiao of direction, to realize the clamping position of mobile phone.So the mobile phone positioning fixture 700 need not adjust its structure, only by pushing away
The change of top mechanism 740 extension elongation may be such that mobile phone positioning fixture 700 positions various sizes of mobile phone.
Preferably, in the present embodiment, the size of positioning plate 710 is larger, the upside of positioning plate 710 is provided with two
For housing the accommodating position of mobile phone A 00, the rotary shaft of two accommodating position relative positioning bottom plates 710 is symmetrical arranged, and each accommodating
Position is respectively arranged with one group of first locating piece 720, the second locating piece 730 and penetrating mechanism 740.
Further, as shown in Figure 3 and Figure 4, the side of positioning plate 710 is additionally provided with level meter, and the level meter can be with
Calibration positioning is carried out to mobile phone gravity detection means；Mobile phone gravity detection means corresponds to X-axis rotary driver 300, Y-axis is rotated and driven
Dynamic device 400, Z axis rotary driver 500 are also respectively provided with angular position sensor, to control X-axis rotary driver respectively
300th, Y-axis rotary driver 400, the anglec of rotation of Z axis rotary driver 500.
In the present embodiment, mobile phone A 00 to be detected realizes the inspection with peripheral hardware by wireless modes such as bluetooth or WIFI
Measurement equipment communication connection, to obtain the inter-process data of mobile phone A 00 and then judge the gravity sensor work(being built in mobile phone A 00
Can whether good.In the other embodiment different from the present embodiment, connection peripheral hardware can also be provided with positioning plate 710
The communication inserted terminal of detection device, and the communication interface of mobile phone A 00 is removably inserted within to realize mobile phone by the inserted terminal that communicates
A00 and peripheral hardware detection device communication connection.
Compared with prior art, mobile phone gravity detection means provided by the utility model, is provided with X-axis rotary driver
300th, Y-axis rotary driver and Z axis rotary driver, to drive by the mobile phone A 00 of the clamping position of mobile phone positioning fixture 700 with X
Rotated centered on axle, Y-axis, Z axis so that mobile phone A 00, to predetermined angle, can pass through peripheral hardware in upset in multiple directions
Detection device obtains the processing data of mobile phone A 00 with the communication connection of mobile phone A 00, and then judges the gravity being built in mobile phone A 00
Whether sensor function is good.According to mobile phone gravity detection means provided by the utility model, by defeated in Y-axis rotary driver
Go out end and be fixedly connected with mobile phone posting 600, and the relative mobile phone of mobile phone positioning fixture 700 is driven by X-axis rotary driver 300
Posting 600 rotates so that mobile phone gravity detection means provided by the utility model can be being realized to mobile phone gravity sensor
While carrying out Function detection, its structure is also very succinct and compact.
Above disclosed is only preferred embodiment of the present utility model, certainly can not be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and covered
Scope.
Claims (8)
1. a kind of mobile phone gravity detection means, it is characterised in that the Z axis that the mobile phone gravity detection means includes fixed setting turns
Dynamic driver, it is fixedly connected on the Y-axis rotary driver of the Z axis rotary driver output end and is fixedly connected on the Y-axis
The mobile phone posting of rotary driver output end, the mobile phone positioning fixture for locating cellphone are rotatablely arranged at the mobile phone
In posting；The mobile phone gravity detection means also includes X-axis rotary driver, and the X-axis rotary driver is fixedly installed on
The mobile phone posting simultaneously drives the relatively described mobile phone posting of the mobile phone fixture to turn about the X axis.
2. mobile phone gravity detection means as claimed in claim 1, it is characterised in that the output end of the Z axis rotary driver
It is fixedly connected with a rotating seat；The two Y-axis rotary drivers are fixedly installed on the rotating seat and rotate driving away from the Z axis
The side of device, the axisymmetry of the two relatively described rotating seats of Y-axis rotary driver are set, and two Y-axis are rotated and driven
The rotary shaft of dynamic device output end is conllinear.
3. mobile phone gravity detection means as claimed in claim 2, it is characterised in that the both sides of the mobile phone posting are solid respectively
Surely it is connected to the output end of the two Y-axis rotary drivers.
4. mobile phone gravity detection means as claimed in claim 1, it is characterised in that the mobile phone positioning fixture includes positioning bottom
Plate, and the first locating piece and the second locating piece of adjacent two side edge of the positioning plate are respectively arranged at, it is fixed in described first
The diagonal angle in position block and the second locating piece angle direction is provided with penetrating mechanism.
5. mobile phone gravity detection means as claimed in claim 4, it is characterised in that the side of the positioning plate is additionally provided with
Level meter.
6. mobile phone gravity detection means as claimed in claim 1, it is characterised in that the mobile phone gravity detection means includes machine
Frame and the shell for being arranged at frame, the X-axis rotary driver, the Y-axis rotary driver, the Z axis rotary driver and
The mobile phone posting may be contained within the shell；The side wall of the shell, which offers, picks and places mouth.
7. mobile phone gravity detection means as claimed in claim 6, it is characterised in that the both sides for picking and placeing mouth are correspondingly arranged on
Safe grating.
8. mobile phone gravity detection means as claimed in claim 1, it is characterised in that the mobile phone gravity detection means corresponds to institute
State X-axis rotary driver, the Y-axis rotary driver, the Z axis rotary driver and be also respectively provided with angular position sensing
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406032.0U CN206865554U (en) | 2017-04-17 | 2017-04-17 | Mobile phone gravity detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406032.0U CN206865554U (en) | 2017-04-17 | 2017-04-17 | Mobile phone gravity detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206865554U true CN206865554U (en) | 2018-01-09 |
Family
ID=60816973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720406032.0U Active CN206865554U (en) | 2017-04-17 | 2017-04-17 | Mobile phone gravity detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206865554U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792114A (en) * | 2018-08-27 | 2018-11-13 | 青岛海鼎通讯技术有限公司 | A kind of Coating-removing machine reinspection platform |
| CN108827363A (en) * | 2018-06-21 | 2018-11-16 | 闻泰通讯股份有限公司 | Sensor detector |
| CN108820408A (en) * | 2018-08-27 | 2018-11-16 | 青岛海鼎通讯技术有限公司 | A kind of Coating-removing machine |
| CN109764906A (en) * | 2018-12-11 | 2019-05-17 | 深圳市艾特讯科技有限公司 | Automatic test device for mobile terminal |
| CN113438350A (en) * | 2021-06-24 | 2021-09-24 | 展讯通信（上海）有限公司 | Test system of electronic device |
| CN114770407A (en) * | 2022-06-20 | 2022-07-22 | 苏州鼎纳自动化技术有限公司 | Rotatory clamping machine of product constructs and cell-phone frame check out test set |
| CN108792114B (en) * | 2018-08-27 | 2024-06-21 | 青岛海鼎通讯技术有限公司 | Film tearing machine rechecking platform |
-
2017
- 2017-04-17 CN CN201720406032.0U patent/CN206865554U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827363A (en) * | 2018-06-21 | 2018-11-16 | 闻泰通讯股份有限公司 | Sensor detector |
| CN108792114A (en) * | 2018-08-27 | 2018-11-13 | 青岛海鼎通讯技术有限公司 | A kind of Coating-removing machine reinspection platform |
| CN108820408A (en) * | 2018-08-27 | 2018-11-16 | 青岛海鼎通讯技术有限公司 | A kind of Coating-removing machine |
| CN108820408B (en) * | 2018-08-27 | 2024-02-20 | 青岛海鼎通讯技术有限公司 | Film tearing machine |
| CN108792114B (en) * | 2018-08-27 | 2024-06-21 | 青岛海鼎通讯技术有限公司 | Film tearing machine rechecking platform |
| CN109764906A (en) * | 2018-12-11 | 2019-05-17 | 深圳市艾特讯科技有限公司 | Automatic test device for mobile terminal |
| CN113438350A (en) * | 2021-06-24 | 2021-09-24 | 展讯通信（上海）有限公司 | Test system of electronic device |
| CN114770407A (en) * | 2022-06-20 | 2022-07-22 | 苏州鼎纳自动化技术有限公司 | Rotatory clamping machine of product constructs and cell-phone frame check out test set |
| CN114770407B (en) * | 2022-06-20 | 2022-09-16 | 苏州鼎纳自动化技术有限公司 | Rotatory clamping mechanism of product and cell-phone frame check out test set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206865554U (en) | Mobile phone gravity detection means | |
| CN202255755U (en) | Calibrating device for calibrating torsion and corner measuring mechanism | |
| CN108020375A (en) | A kind of full automatic piston pressure gauge | |
| CN106017419B (en) | Horizontal universal angle measuring device and measuring method | |
| CN108007404A (en) | One kind adjustment tool mechanism | |
| CN207439389U (en) | The device that a kind of concentricity for hole system detects | |
| CN107024357B (en) | A kind of portable brake performance tester calibrating installation and its calibration method | |
| CN105939766A (en) | Stirring/defoaming apparatus | |
| CN107764893A (en) | Three-Dimensional Magnetic remembers steel wire rope detecting system | |
| CN206974444U (en) | A kind of gyroscope automated test device | |
| CN104389777B (en) | Lubricating oil pump test device | |
| CN206862256U (en) | Circular workpiece accurately detects general run-out instrument | |
| CN209992500U (en) | Soil detection device | |
| CN205448994U (en) | Cylindrical honeycomb ceramic carrier straightness detection device that hangs down | |
| CN207050697U (en) | Engine cylinder fluid measurement device | |
| CN104049104B (en) | Ceramic mud flow monitor and detection method | |
| CN208398892U (en) | The wave direction calibrating installation of wave buoy | |
| CN202177486U (en) | Verifying instrument for torque multiplier | |
| CN108981992A (en) | A kind of high-precision torque detecting apparatus | |
| CN206961529U (en) | Fuel rod detection device | |
| TWI403713B (en) | Impact testing device and method | |
| CN100565103C (en) | System for measuring deflecting roller location parameter | |
| CN102359845A (en) | Verification instrument of torque multiplier | |
| CN207833741U (en) | A kind of centripetal force experimental provision | |
| CN107150031A (en) | A kind of weight detection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |