CN206177895U - Mobilizable ultrasonic phased array detection device - Google Patents
Mobilizable ultrasonic phased array detection device Download PDFInfo
- Publication number
- CN206177895U CN206177895U CN201621261037.0U CN201621261037U CN206177895U CN 206177895 U CN206177895 U CN 206177895U CN 201621261037 U CN201621261037 U CN 201621261037U CN 206177895 U CN206177895 U CN 206177895U
- Authority
- CN
- China
- Prior art keywords
- bar
- detector body
- stopping
- platen
- slide rail
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a mobilizable ultrasonic phased array detection device, this detection device includes the detector body and sets up the test probe on the detector body, still including removing the bed frame, it is equipped with the adjusting station board to remove the bed frame top, it is used for driving the platen cylinder that the adjusting station board reciprocated to be equipped with at least one on the removal bed frame, the slide rail that the level that is equipped with on the adjusting station board was arranged, detector body and slide rail sliding fit, be equipped with on the adjusting station board and be used for driving the translation cylinder of detector body along the slide rail reciprocating sliding, it is equipped with a plurality of removals wheel structure to move the bed frame bottom, it includes the wheel carrier and sets up the universal wheel on the wheel carrier to move the wheel structure. The utility model discloses install rational in infrastructurely, it is convenient to remove, can effectively carry out ultrasonic testing, need not the operator during use and hands, and the regulating power is strong, and user's manipulation strength is low.
Description
Technical field
This utility model belongs to ultrasonic phase array detection technique field, more particularly to a kind of moveable ultrasonic phase array inspection
Survey device.
Background technology
The developing history in ultrasonic phase array detection existing twenty or thirty year, the initial stage is mainly used in medical field, medical ultrasound
In imaging.In recent years, ultrasonic phased array technology increasingly causes the attention of people with its flexible acoustic beam deflection and focusing performance.
Due to piezo-electricity composite material, the control of nanosecond pulse signal, Data Management Analysis, software engineering and computer simulation etc. it is various high
Integrated application of the new technique in ultrasonic phased array imaging field so that ultrasonic phase array detection technique is able to fast development, by
Gradually it is applied to field of non destructive testing.At present, in the industry to the Non-Destructive Testing of weld seam, foundry goods etc., mainly by ultrasonic phase array
Detector is realizing.Current ultrasonic phase array detector, mainly includes detector body and detection probe, and body and detection are visited
Typically separate, it is substantially by hand-held control, and does not have easy cleaning detection probe and detection in detection
The instrument in face, this reliability for resulting in testing result is reduced, when continuous detecting or multi-work piece, equipment multiposition are detected, by
In detector body is more heavy and operator can only hand-held movement cause operator easily tired, detection efficiency is substantially reduced.
The content of the invention
The purpose of this utility model is for the deficiencies in the prior art, there is provided a kind of rational in infrastructure, mobile convenient, energy
Ultrasound detection is effectively carried out, carries out without the need for operator hand-held when using, regulating power is strong, can effectively reduce manipulation strength, improves
The ultrasonic phase array detection means of the efficiency of detection.
To achieve these goals, this utility model is employed the following technical solutions：A kind of moveable ultrasonic phase array inspection
Device, including detector body and the detection probe that is arranged on detector body are surveyed, the ultrasonic phase array detection means is also wrapped
Include mobile pedestal, mobile pedestal top is provided with regulation platen, mobile pedestal be provided with least one for drive regulation platen
The platen cylinder of lower movement, adjusts platen and is provided with horizontally disposed slide rail, and detector body is slidably matched with slide rail, regulating platform
Plate is provided with the flat-removing air cyclinder for driving detector body to reciprocatingly slide along slide rail, and mobile pedestal bottom is provided with some movable pulleys
Structure, mobile wheel construction includes wheel carrier and the universal wheel being arranged on wheel carrier.Mobile pedestal includes upper plate, is in below upper plate
The stand of base plate and connection upper plate and base plate, upper plate side is hinged by hinge with stand, and upper plate is provided with bar hole, platen gas
Cylinder is arranged on upper plate, and base plate is provided with angle cylinder, and the piston rod of angle cylinder is provided with horizontally disposed slide-bar, hinge axle
Line and slide-bar diameter parallel, glide direction of the hinge shaft axis perpendicular to detector body on slide rail, slide-bar is stretched in bar hole
And be slidably matched with bar hole, the slidably direction of slide-bar is perpendicular to slide-bar axis.
Further, the detection probe includes probe fixed block, and probe fixed block is provided with sideslip bar, detector body
Sideslip hole is provided with, sideslip bar one end connection probe fixed block, the other end is slidably matched with sideslip hole, the glide direction of sideslip bar
Parallel to glide direction of the detector body on slide rail, between probe fixed block and detector body some self adaptation bullets are provided with
Spring, self adaptation spring one end connection probe fixed block, other end connecting detection instrument body.
Further, the regulation platen is provided with high pressure tank, and high pressure tank is provided with air supply opening and escape pipe,
Air supply opening is provided with supply check valve, and supply check valve can be the outlet Gutron by the external world to high pressure tank by direction
Cross air hose and be communicated to an air nozzle, escape pipe is provided with outlet on-off valve, adjust platen and be provided with deck, air nozzle and card
Seat clamping.
Further, the regulation platen is provided with high pressure tank, and high pressure tank is provided with air supply opening and escape pipe,
Air supply opening is provided with supply check valve, and supply check valve can be the detector sheet by the external world to high pressure tank by direction
Body is provided with valve support, and valve support is provided with jet direction against the air nozzle of detection probe, and escape pipe is soft by gas transmission
Pipe is communicated to air nozzle, and escape pipe is provided with outlet on-off valve.
Further, the mobile pedestal is provided with least one and stops stop member, and stop member of stopping includes friction briquetting, vertically arrangement
Stop and bar and be arranged on the handle of bar upper end of stopping, bar of stopping coordinates with mobile pedestal screw thread, each stop member of stopping correspond to one it is universal
Wheel construction, stops in stop member and Universal wheel structure corresponding：Wheel carrier is provided with for allowing the through hole that bar passes through of stopping, and bar lower end of stopping is worn
Through hole is crossed, friction briquetting is fixed on bar lower end of stopping, and friction briquetting is in universal wheel top.
Further, the mobile pedestal is provided with accepting rack, and accepting rack is provided with least one and stores up groove.
The beneficial effects of the utility model are：Detector body and detection probe are fixed on mobile pedestal by this utility model
On, realize the overall movement of detection means；And the flexible combination that detector body and detection probe are set so that it is available for
The mode of detection is more；Detector body and detection probe on regulation platen can be driven by the lifting of angle cylinder piston rod
Rotate, so as to realize the change of detection probe detection angles；And the spray connected with high pressure tank is provided with platen is adjusted
Valve, it passes through jet and is capable of achieving the front cleaning to the foul in detection probe and detection faces of ultrasound detection work.Total
Reasonable in design, movement is convenient, can effectively carry out ultrasound detection, carries out without the need for operator hand-held when using, and regulating power is strong, can have
Effect reduces manipulation strength, improves the efficiency of detection.
Description of the drawings
Fig. 1 is the structural representation of this utility model embodiment 1；
Fig. 2 is the structural representation that this utility model is stopped at stop member；
Fig. 3 is the enlarged drawing in Fig. 1 at A；
Fig. 4 is the structural representation of this utility model embodiment 2；
Fig. 5 is the structural representation of this utility model embodiment 3；
Fig. 6 is the structural representation of this utility model embodiment 4；
Fig. 7 is the enlarged drawing in Fig. 6 at B.
In figure：Detector body 1, detection probe 2, probe fixed block 21, sideslip bar 211, self adaptation spring 212, movement
Pedestal 3, upper plate 3a, base plate 3b, stand 3c, hinge 3d, bar hole 3e, mobile wheel construction 31, wheel carrier 311, universal wheel 312, change
Angle cylinder 32, slide-bar 321, regulation platen 4, flat-removing air cyclinder 41, platen cylinder 5, stop member of stopping 6, friction briquetting 6a, stop bar 6b, height
Pressure air accumulator 7, escape pipe 71, air nozzle 72, deck 73a, valve support 73b, accepting rack 8.
Specific embodiment
This utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment 1：In embodiment as shown in Figure 1 to Figure 3, a kind of moveable ultrasonic phase array detection means, including
Detector body 1 and the detection probe 2 being arranged on detector body 1, also including mobile pedestal 3, the mobile top of pedestal 3 is provided with
Adjust platen 4, mobile pedestal 3 be provided with least one for drive adjust the platen cylinder 5 for moving up and down, on regulation platen 4
Horizontally disposed slide rail is provided with, detector body 1 is slidably matched with slide rail, adjusts platen 4 and be provided with for driving detector sheet
The flat-removing air cyclinder 41 that body 1 reciprocatingly slides along slide rail, the mobile bottom of pedestal 3 is provided with some mobile wheel constructions 31, mobile wheel construction bag
Include wheel carrier 311 and the universal wheel 312 being arranged on wheel carrier.Controller, display screen of ultrasonic phase array detector etc. are integrated in inspection
Survey on instrument body 1, detection probe 2 is connected by holding wire or data wire with controller (such as single-chip microcomputer), and this belongs to prior art
In conventional selection, will not be described here.
At ordinary times, during mobile this utility model device, operator need to only promote mobile pedestal 3, you can realize overall movement.
When needing to detect equipment, workpiece etc., mobile pedestal 3 can be first promoted to test position, using platen cylinder 5
Drive and adjust a liftings such as platen 4, detector body 1, detection probe 2 to correct position, then recycle flat-removing air cyclinder 41
Allow detector body 1, detection probe 2 to move together, make detection probe 2 near detection faces and reach suitable distance (to carry out nothing
When damaging detection, there is detection probe not contact the test format of test specimen, also have the test format of detection probe directly contact test specimen, i.e.,
Contact method detection, when detecting using contact method, can apply one layer of couplant, to improve inspection between detection probe 2 and detection faces
The conduction of sound wave between probing 2 and detection faces), then can carry out ultrasound detection.It is emphasized that in XYZ three-dimensional straights
In angular coordinate system：Vertical adjustment realizes that horizontal adjustment only needs to adjust a direction (by flat-removing air cyclinder by platen cylinder 5
41 realize), the regulation of surplus next one horizontal direction can directly by promoting mobile pedestal 3 to realize.Detector body 1 and inspection
Probing 2 is detachably connected, i.e. detector body 1 and detection probe 2 are not fixed, can be separate, it is also possible to assemble
Together.Above-mentioned situation can be selected according to demand.When detector body 1 is separated with detection probe 2 (no matter whether separating,
Body is connected with detection probe by holding wire), can be with hand-held or drive using other mechanisms detection probe 2 to change position
Put, so as to be detected, now, mobile pedestal 3 and structure thereon are used mainly as conveying arrangement.Work as inconvenience
When hand-held, detector body 1 can be allowed to link together with detection probe 2, and be carried out using this utility model integrally-regulated.
The mobile pedestal includes upper plate 3a, the base plate 3b being in below upper plate 3a and connects the vertical of upper plate 3a and base plate 3b
Frame 3c, upper plate 3a sides are hinged by hinge 3d with stand 3c, and upper plate 3a is provided with bar hole 3e, and platen cylinder 5 is arranged on
On plate 3a, base plate 3b is provided with angle cylinder 32, and the piston rod of angle cylinder 32 is provided with horizontally disposed slide-bar 321, hinge
3d axis and the diameter parallel of slide-bar 321, glide direction of the hinge 3d axis perpendicular to detector body 1 on slide rail, slide-bar 321
Stretch in bar hole 3e and be slidably matched with bar hole 3e, the slidably direction of slide-bar 321 is perpendicular to the axis of slide-bar 321, bar shaped
Perpendicular to the length direction of bar hole 3e, the length direction of bar hole 3e is perpendicular to hinge 3d axis in the hole depth direction of hole 3e.Bottom
The rectangular slab that plate 3b is arranged horizontally, the mobile number of wheel construction 31 is four, and four mobile wheel constructions 31 are separately positioned on base plate
At the corner of 3b bottom surfaces (the mobile number of wheel construction 31 can be automatically selected according to demand, usual three or four comparisons it is reasonable).Utilize
The lifting of the piston rod of angle cylinder 32, can drive slide-bar 321 to move up and down, such that it is able to drive whole upper plate 3a edges to be hinged
Point is rotated, namely has driven detection probe 2 to rotate, and so as to be capable of achieving the angle change of detection probe 2, detection adaptability is higher,
Detection results are more preferably.
The mobile pedestal 3 is provided with least one and stops stop member 6, stop member of stopping 6 include friction briquetting 6a, vertically arrangement stop
Bar 6b and the handle of bar 6b upper ends of stopping is arranged on, the bar 6b that stops coordinates with the mobile screw thread of pedestal 3, and each stop member 6 of stopping corresponds to one
Universal wheel 312 a, universal wheel 312 one stop member 6 of stopping of most correspondences, stops in stop member 6 and universal wheel 312 corresponding：Wheel
Frame 311 is provided with for allowing the through hole that bar 6b passes through of stopping, and through through hole, friction briquetting 6a is fixed on and stops under bar 6b for bar 6b lower ends of stopping
End, friction briquetting 6a is in the top of universal wheel 312.After mobile pedestal 3 is moved into place, it is possible to use handle turn is stopped bar 6b,
Band dynamic friction briquetting 6a is moved down and is pushed down corresponding universal wheel 312, realize mobile pedestal 3 stop only with it is anti-slip.For in theory,
One stop member 6 of stopping can be achieved with moving stopping only for pedestal 3, but in practice, if universal wheel 312 has with the contact area on ground
Limit, the frictional force between universal wheel 312 and ground are not big enough, then also may be selected to adopt multiple stop members 6 of stopping.
The mobile pedestal 3 is provided with accepting rack 8, and accepting rack 8 is provided with least one and stores up groove.Detection probe 2, detection
The parts such as voussoir are frequently necessary to change, and in detection process, also aid such as screwdriver, couplant etc. needs to carry,
Can be used to place these articles on accepting rack 8, if article volume is less, easily drop, it is also possible to be placed in and store up in groove, so as to enter
One step improves transport of the present utility model and carries effect.
Embodiment 2：With embodiment 1, its difference is the basic structure and embodiment of the present embodiment, in such as Fig. 4
Shown, the regulation platen 4 is provided with high pressure tank 7, and high pressure tank 7 is provided with air supply opening and escape pipe 71, air supply opening
Supply check valve is provided with, supply check valve can be that escape pipe 71 is by defeated by the external world to high pressure tank 7 by direction
To an air nozzle 72, escape pipe 71 is provided with outlet on-off valve to gas soft pipe connection, adjusts platen 4 and is provided with deck 73a, air nozzle
72 with deck 73a clampings.Gases at high pressure (can be by supply check valve to entering QI invigorating in gas tank) are stored in high pressure tank 7, when
When greasy dirt is speckled with detection probe 2, having greasy dirt, impurity on impurity, or detection faces, air nozzle 72 can be removed, and using spray
Valve 72 to reduce interference factor, improves testing result accuracy carrying out liquid honing.
Embodiment 3：With embodiment 1, its difference is the basic structure and embodiment of the present embodiment, in such as Fig. 5
Shown, the regulation platen is provided with high pressure tank 7, and high pressure tank 7 is provided with air supply opening and escape pipe 71, on air supply opening
Supply check valve is provided with, supply check valve can be that body is provided with valve by the external world to high pressure tank by direction
Frame 73b, valve support 73b are provided with jet direction against the air nozzle 72 of detection probe 2, and escape pipe 71 is connected by air hose
Air nozzle 72 is passed to, escape pipe 71 is provided with outlet on-off valve.Gases at high pressure are stored in high pressure tank 7 (can be single by supplying
To valve to entering QI invigorating in gas tank), when greasy dirt, impurity is speckled with detection probe 2, it is possible to use air nozzle 72 is clear to carry out jet
Reason, to reduce interference factor, improves testing result accuracy.Furthermore, it is possible to the piston rod of control flat-removing air cyclinder 41 is stretched out
Button is integrated on a button with the button of control outlet on-off valve, thus, (adjusting detection probe 2 to lean on before detection
During nearly detection faces), all detection probe 2 can automatically be cleared up.
Embodiment 4：With embodiment 1 or 3, its difference is the basic structure and embodiment of the present embodiment, such as Fig. 6
To Fig. 7 shown in, the detection probe 2 includes probe fixed block 21, and probe fixed block 21 is provided with sideslip bar 211, detector
Body 1 is provided with sideslip hole, and the one end of sideslip bar 211 connection probe fixed block 21, the other end is slidably matched with sideslip hole, sideslip bar
Glide direction of 211 glide direction parallel to detector body 1 on slide rail, probe fixed block 21 and detector body 1 it
Between be provided with some self adaptation springs 212, the one end of self adaptation spring 212 connection probe fixed block 21, other end connecting detection instrument sheet
Body 1.When carrying out contact method and detecting, if operator's imprudence allows excessive, the probing to be checked that moves horizontally distance of flat-removing air cyclinder 41
After 2 are pressed onto in detection faces, self adaptation spring 212 can be compressed, to avoid detection probe 2 by the appearance of the situation of crushing, from
And effectively detection probe 2 can be protected.
Claims (6)
1. a kind of moveable ultrasonic phase array detection means, including detector body and the detection being arranged on detector body
Probe, is characterized in that, also including mobile pedestal, mobile pedestal top is provided with regulation platen, and mobile pedestal is provided with least one
Adjust the platen cylinder that moves up and down of platen for driving, adjust platen and be provided with horizontally disposed slide rail, detector body with
Slide rail is slidably matched, and regulation platen is provided with the flat-removing air cyclinder for driving detector body to reciprocatingly slide along slide rail, mobile base
Frame bottom is provided with some mobile wheel constructions, and mobile wheel construction includes wheel carrier and the universal wheel being arranged on wheel carrier；Mobile pedestal bag
The stand of upper plate, the base plate being in below upper plate and connection upper plate and base plate is included, upper plate side is hinged by hinge with stand, on
Plate is provided with bar hole, and platen cylinder is arranged on upper plate, and base plate is provided with angle cylinder, and the piston rod of angle cylinder is provided with
Horizontally disposed slide-bar, hinge shaft axis and slide-bar diameter parallel, slip of the hinge shaft axis perpendicular to detector body on slide rail
Direction, slide-bar is stretched in bar hole and is slidably matched with bar hole, and the slidably direction of slide-bar is perpendicular to slide-bar axis.
2. a kind of moveable ultrasonic phase array detection means according to claim 1, is characterized in that, the detection probe
Including probe fixed block, probe fixed block is provided with sideslip bar, and detector body is provided with sideslip hole, and the connection of sideslip bar one end is visited
Head fixed block, the other end is slidably matched with sideslip hole, the cunning of the glide direction of sideslip bar parallel to detector body on slide rail
Dynamic direction, is provided with some self adaptation springs between probe fixed block and detector body, self adaptation spring one end connection probe is solid
Determine block, other end connecting detection instrument body.
3. a kind of moveable ultrasonic phase array detection means according to claim 1 and 2, is characterized in that, the regulation
Platen is provided with high pressure tank, and high pressure tank is provided with air supply opening and escape pipe, and air supply opening is provided with supply check valve, supplies
Gas check valve can be that escape pipe is communicated to an air nozzle by air hose by the external world to high pressure tank by direction,
Escape pipe is provided with outlet on-off valve, adjusts platen and is provided with deck, air nozzle and deck clamping.
4. a kind of moveable ultrasonic phase array detection means according to claim 1 and 2, is characterized in that, the regulation
Platen is provided with high pressure tank, and high pressure tank is provided with air supply opening and escape pipe, and air supply opening is provided with supply check valve, supplies
Gas check valve can be that detector body is provided with valve support, valve support by the external world to high pressure tank by direction
Jet direction is provided with against the air nozzle of detection probe, escape pipe is communicated to air nozzle, sets on escape pipe by air hose
There is outlet on-off valve.
5. a kind of moveable ultrasonic phase array detection means according to claim 1 and 2, is characterized in that, the movement
Pedestal is provided with least one and stops stop member, stop member of stopping include friction briquetting, vertically stopping for arrangement bar and be arranged on bar upper end of stopping
Handle, bar of stopping coordinates with mobile pedestal screw thread, and each stop member of stopping corresponds to a Universal wheel structure, in corresponding stop member and ten thousand of stopping
To in wheel construction：Wheel carrier is provided with for allowing the through hole that bar passes through of stopping, and through through hole, friction briquetting is fixed on bar of stopping for bar lower end of stopping
Lower end, friction briquetting is in universal wheel top.
6. a kind of moveable ultrasonic phase array detection means according to claim 1 and 2, is characterized in that, the movement
Pedestal is provided with accepting rack, and accepting rack is provided with least one and stores up groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261037.0U CN206177895U (en) | 2016-11-10 | 2016-11-10 | Mobilizable ultrasonic phased array detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261037.0U CN206177895U (en) | 2016-11-10 | 2016-11-10 | Mobilizable ultrasonic phased array detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177895U true CN206177895U (en) | 2017-05-17 |
Family
ID=58685783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621261037.0U Expired - Fee Related CN206177895U (en) | 2016-11-10 | 2016-11-10 | Mobilizable ultrasonic phased array detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442738A (en) * | 2016-11-10 | 2017-02-22 | 中国计量大学 | Movable ultrasonic phased array detecting device and method |
-
2016
- 2016-11-10 CN CN201621261037.0U patent/CN206177895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442738A (en) * | 2016-11-10 | 2017-02-22 | 中国计量大学 | Movable ultrasonic phased array detecting device and method |
| CN106442738B (en) * | 2016-11-10 | 2023-06-02 | 中国计量大学 | Movable ultrasonic phased array detection device and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106442738A (en) | Movable ultrasonic phased array detecting device and method | |
| CN207214953U (en) | A kind of engine-mounting bracket detection means | |
| CN207464917U (en) | A kind of stainless steel materials grinding device | |
| CN207155077U (en) | A kind of portable spot welder | |
| CN206177895U (en) | Mobilizable ultrasonic phased array detection device | |
| CN201030477Y (en) | Welding operation rack | |
| CN103926328B (en) | A kind of ultrasound examination scanning equipment being capable of stable coupling | |
| CN206083179U (en) | Automatic sign spacer pile up neatly magnetic flow measurement system of magnet steel | |
| CN205721366U (en) | A kind of high accuracy degree of plainness for wall surface automatic detection device | |
| CN204346983U (en) | Planer-type eddy current rotary ultrasonic joint-detection device | |
| CN206627082U (en) | A kind of workpiece facial plane degree and profile tolerance one detection means | |
| CN206847587U (en) | A kind of iron nail quality detection apparatus | |
| CN207239282U (en) | Improve the cutting machine of sound detecting pipe quality | |
| CN207019890U (en) | A kind of seat chair back durability test machine | |
| CN203745429U (en) | Ultrasonic detection scanning device capable of realizing stable coupling | |
| CN205941243U (en) | Portable mould hardness detector | |
| CN209198235U (en) | A kind of portable plastic cement hardness detecting instrument | |
| CN205317418U (en) | Engine variable intake manifold airtightness detecting device | |
| CN208125009U (en) | A kind of inner hole of workpiece detection device | |
| CN206818172U (en) | A kind of fit clearance testing agency | |
| CN206787900U (en) | A kind of efficient pressure tester for chair | |
| CN206747311U (en) | A kind of automobile using support bar automatic flattening device | |
| CN205317726U (en) | Portable ultrasonic wave detecting device of rail welding seam flange of rail | |
| CN202649038U (en) | Auxiliary clamping tool for oil tube pressure test | |
| CN101936793B (en) | Operator limb force applying test auxiliary bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20191110 |