CN108693414A - Rotary joint testing stand - Google Patents
Rotary joint testing stand Download PDFInfo
- Publication number
- CN108693414A CN108693414A CN201710220610.6A CN201710220610A CN108693414A CN 108693414 A CN108693414 A CN 108693414A CN 201710220610 A CN201710220610 A CN 201710220610A CN 108693414 A CN108693414 A CN 108693414A
- Authority
- CN
- China
- Prior art keywords
- rotary joint
- fixedly connected
- babinet
- rotation
- servo
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002609 medium Substances 0.000 description 25
- 238000013461 design Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012120 mounting media Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of rotary joint testing stands, including babinet, servo-drive system and joint clamp, the servo-drive system is fixedly connected with the top surface of the babinet, and the joint clamp is arranged in the inside of the babinet, and is fixedly connected with the torque output end of the servo-drive system;Rotary joint is placed in more closed space by a kind of rotary joint testing stand of the present invention, it can effectively prevent the security risk brought due to high pressure, high rotating speed, also the environmental problem brought by oil or other media splash/leakage can be solved, versatility is good, safe, simple operation, at the same have the characteristics that cleaning it is good, can effective monitoring, lower-cost.
Description
Technical field
The present invention relates to engineering machinery design field more particularly to a kind of rotary joint testing stands.
Background technology
Rotary joint testing stand needs at least to provide the following conditions for rotary joint test:1, the sky that rotary joint is placed
Between, and do not intervened by other facilities or device;2, the servo-drive system for driving rotary joint to rotate;3, the oil of test,
The medium pipelines such as water, gas.
Rotary joint testing stand on the market is got by laboratory table transformation at present, is only provided with fixed rotation on the table
The mechanism of adapter, most of rotary joint that can be tested are same type of small rotary connector, and versatility is relatively low;And it revolves
Adapter and respective line are exposed on table top, and in the case where pressure medium is excessively high, safety is relatively low;Meanwhile oil medium
Leakage also be easy to cause the pollution of table top.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of rotary joint testing stand.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of rotary joint testing stand, including babinet, servo-drive system and joint clamp, the servo-drive system and the babinet
Top surface be fixedly connected, the joint clamp is arranged in the inside of the babinet, and with the torque output end of the servo-drive system
It is fixedly connected;
Specifically, the servo-drive system includes electric machine support, motor, retarder, shaft coupling, analog main shaft and bearing, institute
It states electric machine support to be fixedly connected with the top surface of the babinet, the motor and the retarder are connected on the electric machine support
Side, and the torque output shaft of the motor is fixedly connected with the torque input shaft of the retarder, the analog main shaft is set vertically
Set and be rotatably connected by the top surface of the bearing and the babinet, the upper end of the analog main shaft by the shaft coupling and
Key is fixedly connected with the torque output end of the retarder, and the bearing is described to connect by the analog main shaft and retainer ring spacing
Fixture head is fixedly connected with the lower end of the analog main shaft, and the rotary joint is connect with the joint clamp.
Specifically, one or even several accesses, Jie of quantity and the rotary joint are provided in the joint clamp
Matter circuit is consistent, and non-interference between access, the both ends of the access respectively with the same medium loop of the rotary joint
It is connected into entry loop with return loop.
Specifically, the babinet includes frame, side plate, bottom plate, top plate, backboard and door-plate, and the frame is cube knot
Structure;
Specifically, the top plate includes main panel and subpanel, and two subpanels are located at the main panel
Front side and rear side, the main panel and the subpanel are detachably connected with the frame, are provided on the top plate multiple anti-
Turn hole is provided with thermometer hole and lifting bolt on the main panel;It is provided with connector of releasing on the bottom plate, is set on the babinet
It is equipped with multiple monitoring mouths.
Further, the testing stand further includes anti-rotation device, and the anti-rotation device is located at the box house, the anti-rotation
Device includes anti-rotation column and anti-rotation cross bar, and the upper end of the anti-rotation column is fixed with the anti-rotating hole on the top plate to be connected
It connects, the first end of the anti-rotation cross bar is fixedly connected with the lower end of the anti-rotation column, the second end of the anti-rotation cross bar and institute
The shell for stating rotary joint is fixedly connected.
Further, the testing stand further includes temperature measuring equipment, and the temperature measuring equipment is located at the box house, the survey
Warm device includes temperature probe and thermometric holder, and the upper end of the thermometric holder is fixed with the thermometer hole on the main panel to be connected
It connects, the temperature probe is fixed at the lower end of the thermometric holder, can be moved up and down along the thermometric holder.
The beneficial effects of the present invention are:
Rotary joint is placed in more closed space by a kind of rotary joint testing stand of the present invention, can be effectively prevent due to height
The security risk that pressure, high rotating speed are brought can also solve the environmental problem brought by oil or other media splash/leakage, versatility
Good, safe, simple operation, at the same have the characteristics that cleaning it is good, can effective monitoring, lower-cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of rotary joint testing stand of the present invention;
Fig. 2 is the vertical view of rotary joint testing stand of the present invention;
Fig. 3 is the structural schematic diagram of servo-drive system of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2 and Figure 3, a kind of rotary joint testing stand of the present invention, including babinet, servo-drive system, connector clamp
Tool 21, anti-rotation device and temperature measuring equipment, servo-drive system are fixedly connected with the top surface of babinet, and joint clamp 21 is arranged in babinet
Portion, and be fixedly connected with the torque output end of servo-drive system;
Servo-drive system includes electric machine support 9, motor 11, retarder 10, shaft coupling 12, analog main shaft 24 and bearing 26, electricity
Machine support 9 is fixedly connected with the top surface of babinet, and motor 11 and retarder 10 are fixedly connected with electric machine support 9, and motor 11
Torque output shaft is fixedly connected with the torque input shaft of retarder 10, and analog main shaft 24 is vertically arranged and by bearing 26 and babinet
Top surface be rotatably connected, bearing block 22 is provided on the top plate of babinet, bearing 26 is fixed on bearing block 22 by bearing cap 23
It is interior, be provided with washer 27 between bearing 26 and bearing block 22, the upper end of analog main shaft 24 by shaft coupling 12 and connecting key 25 with
The torque output end of retarder 10 is fixedly connected, and joint clamp 21 is fixedly connected with the lower end of analog main shaft 24, rotary joint 28
It is connect with joint clamp 21.
One or even several accesses, the medium loop phase one of quantity and the rotary joint are provided in joint clamp 21
Cause, and it is non-interference between access, the both ends of the access respectively with the same medium loop of the rotary joint into entry loop and
Return loop is connected.
Be provided with medium channel and medium loop in joint clamp 21, the both ends of medium channel respectively with medium station and rotation
The medium entrance of connector is connected to, and the both ends of medium loop are connected to the media outlet at medium station and rotary joint respectively.
The joint clamp uses stainless steel, and the cycle of higher pressure flowing of multichannel multimedium, another party on the one hand can be achieved
The medium of rotary joint can be connected into entry loop with medium return loop by face, can be simulated completely when rotary joint is really run
Various working.
Babinet includes frame 5, side plate 4, bottom plate 2, top plate, backboard 14 and door-plate 17, and frame 5 is cube structure, side plate
4, backboard 14 and door-plate 17 are separately positioned on the side of frame 5, and bottom plate 2 and top plate are separately positioned on the bottom surface and top surface of frame 5;
Top plate includes main panel 8 and subpanel 7, and two subpanels 7 are located at front side and the rear side of main panel 8, interarea
Plate 8 is fixedly connected with frame 5, and subpanel 7 is detachably connected with frame 5, and multiple anti-rotating holes 15, main panel 8 are provided on top plate
On be provided with thermometer hole 16 and lifting bolt 6;It is provided with connector 1 of releasing on bottom plate 2, multiple monitoring mouths 13 are provided on babinet.
Anti-rotation device is located at box house, and anti-rotation device includes anti-rotation column 20 and anti-rotation cross bar 29, anti-rotation column 20
Upper end is fixedly connected with the anti-rotating hole 15 on top plate, and the first end of anti-rotation cross bar 29 is fixedly connected with the lower end of anti-rotation column 20,
The second end of anti-rotation cross bar 29 is fixedly connected with the shell of rotary joint 28.
Temperature measuring equipment is located at box house, and temperature measuring equipment includes temperature probe 18 and thermometric holder 19, thermometric holder 19
Upper end is fixedly connected with the thermometer hole 16 on main panel 8, and temperature probe 18 is fixed at the lower end of thermometric holder 19.
The operation principle of rotary joint testing stand of the present invention is as follows:
Side plate 4 is equipped with medium pipeline hole and duct cap 3, and bottom plate 2 is equipped with bleed outlet, and connector 1 is connect with releasing, while interarea
Plate 8 is equipped with servo-drive system at center and installs interface, is equipped with lifting bolt 6 in both sides, while being equipped with temperature probe 18, main panel
8 are respectively arranged in 5 top center of box frame and top front and rear sides with subpanel 7.
Rotary joint 28 is placed in more closed space, the safety brought due to high pressure, high rotating speed can be effectively prevent hidden
Suffer from, can also solve the environmental problem brought by oil or other media splash/leakage, connector 1 is released convenient for that will leak out in bottom
Medium guide to special place, prevent from polluting.Meanwhile monitoring mouth with holes is convenient for testing crew multi-angle during the test
Observe test run situation.
Main panel 8, box frame 5, electric machine support 9 and joint clamp 21 etc. are the main load mechanism of testing stand, material
Using stainless steel, subpanel 7, side plate 4, door-plate 17 and backboard 14 etc. are non-bearing mechanism, and material uses aluminium alloy, experiment
Platform structure advanced optimizes.
On the one hand the cycle of higher pressure flowing of multichannel multimedium can be achieved in joint clamp 21, on the other hand can be by rotary joint
28 medium is connected into entry loop with medium return loop, can simulate various working when rotary joint 28 is really run completely.
For the rotary joint 28 for type of not uniting, which only needs to change joint clamp 21 and can be tested, and need not adjust it
Its device.The design of 4 pipe hole of side plate and (semicircle) duct cap 3 can effectively mounting medium pipeline, while closed conduct hole.
8/ subpanel 7 of main panel uses detachable structure, while the design of 8 lifting bolt 6 of main panel rotates convenient for large-scale
The lifting of connector 28, it is easy to operate.Rotation connects during the design of anti-rotation column 20 and anti-rotation cross bar 29 can effectively prevent experiment
The rotation of first 28 shell, reduces accident.28 testing stand versatility of rotary joint is good, safe, simple operation, has simultaneously
Have cleaning it is good, can effective monitoring, lower-cost feature.
Before test, light-duty/small rotary connector 28 can be directly installed on testing stand with joint clamp 21 together, right
In large size/heavy rotating connector 28, fixture is first installed on testing stand, then removes subpanel 7, passes through the machines such as hand cucurbit or driving
Tool equipment by rotary joint 28 from 7 position of subpanel under hang, under be hung to suitable location after, rotary joint 28 is installed on fixture
Place, then removes hand cucurbit or driving, finally reinstalls subpanel 7;It also can be by main panel 8 and servo-drive system overall pulling down, in reality
Table is tested or after rotary joint 28 and fixture be installed on it by other spaces, entirely through hand cucurbit or traveling crane loaded on experiment
On.Medium pipeline is connected by the pipe hole and semicircular pipe drive cap 3 of box side 4 with rotary joint 28, and medium enters back
Road and medium return loop adhere to babinet both sides separately, and the pipe hole of non-connecting pipeline is closed by round tube drive cap 3.
About 18 distance of temperature probe is adjusted, it is made to be directed at 28 rotor portion of rotary joint.Anti-rotation column 20 is installed and is prevented
Turn cross bar 29, after installation completely, closes door-plate 17 and lock.In test process, medium is first passed through rotary joint 28, and reach
The pressure used to test, by monitoring the observation of mouth 13 rotary joint 28, whether there is or not leakage situation appearance, then, start servo system
System, motor 11 rotate, and drive 28 rotor of rotary joint and shell relative motion, test case are observed by monitoring mouth 13, if surveying
The displays temperature of temperature probe 18 exceeds expected threshold values, then stops testing.After test, first stops servo-drive system, then stop
The input of medium then turns on door-plate 17, removes medium pipeline and anti-bull stick, is inversely removed by the erection sequence of rotary joint 28
Rotary joint 28, test terminates.
Technical scheme of the present invention is not limited to the limitation of above-mentioned specific embodiment, every to do according to the technique and scheme of the present invention
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (5)
1. a kind of rotary joint testing stand, it is characterised in that:Including babinet, servo-drive system and joint clamp, the servo-drive system
Be fixedly connected with the top surface of the babinet, the joint clamp is arranged in the inside of the babinet, and with the servo-drive system
Torque output end is fixedly connected;
The servo-drive system includes electric machine support, motor, retarder, shaft coupling, analog main shaft and bearing, the electric machine support with
The top surface of the babinet is fixedly connected, and the motor and the retarder are connected in above the electric machine support, and the electricity
The torque output shaft of machine is fixedly connected with the torque input shaft of the retarder, and the analog main shaft is vertically arranged and by described
The top surface of bearing and the babinet is rotatably connected, and the upper end of the analog main shaft passes through the shaft coupling and key and the deceleration
The torque output end of device is fixedly connected, and the joint clamp is fixedly connected with the lower end of the analog main shaft, and the bearing passes through
The analog main shaft and retainer ring spacing, the rotary joint are connect with the joint clamp.
2. rotary joint testing stand according to claim 1, it is characterised in that:One is provided in the joint clamp is
To several accesses, quantity is consistent with the medium loop of the rotary joint, and non-interference between access, and the two of the access
End is connected with the rotary joint same medium loop into entry loop and return loop respectively.
3. rotary joint testing stand according to claim 1, it is characterised in that:The babinet includes frame, side plate, bottom
Plate, top plate, backboard and door-plate, the frame are cube structure;
The top plate includes main panel and subpanel, and two subpanels are located at front side and the rear side of the main panel,
The main panel and the subpanel are detachably connected with the frame, and multiple anti-rotating holes, the master are provided on the top plate
Thermometer hole and lifting bolt are provided on panel;
It is provided with connector of releasing on the bottom plate, multiple monitoring mouths are provided on the babinet.
4. rotary joint testing stand according to claim 3, it is characterised in that:Further include anti-rotation device, the anti-rotation dress
Setting in the box house, the anti-rotation device includes anti-rotation column and anti-rotation cross bar, the upper end of the anti-rotation column and institute
The anti-rotating hole stated on top plate is fixedly connected, and the lower end of the first end of the anti-rotation cross bar and the anti-rotation column, which is fixed, to be connected
It connects, the second end of the anti-rotation cross bar is fixedly connected with the shell of the rotary joint.
5. rotary joint testing stand according to claim 3, it is characterised in that:Further include temperature measuring equipment, the thermometric dress
Setting in the box house, the temperature measuring equipment includes temperature probe and thermometric holder, the upper end of the thermometric holder and institute
The thermometer hole stated on main panel is fixedly connected, and the temperature probe is fixed at the lower end of the thermometric holder, and can be along institute
Thermometric holder is stated to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220610.6A CN108693414B (en) | 2017-04-06 | 2017-04-06 | Rotary joint test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220610.6A CN108693414B (en) | 2017-04-06 | 2017-04-06 | Rotary joint test stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108693414A true CN108693414A (en) | 2018-10-23 |
| CN108693414B CN108693414B (en) | 2024-06-04 |
Family
ID=63842738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710220610.6A Active CN108693414B (en) | 2017-04-06 | 2017-04-06 | Rotary joint test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108693414B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100857452B1 (en) * | 2008-02-26 | 2008-09-08 | (주)함코 | Fixing means for marking chalk of tire balance apparatus |
| CN101718632A (en) * | 2009-11-16 | 2010-06-02 | 浙江大学 | Multifunctional test bed for simulating condition by one-quarter suspension of vehicle |
| CN102053015A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Tester for thrust bearing |
| CN201903421U (en) * | 2010-12-09 | 2011-07-20 | 浙江华电器材检测研究所 | Fastener axial force and torque combined tester |
| CN102192815A (en) * | 2011-04-11 | 2011-09-21 | 安徽维嘉星火动平衡制造有限公司 | Clamping jaw device for shaft of dynamic balancing machine |
| CN103048136A (en) * | 2012-12-19 | 2013-04-17 | 燕山大学 | High and low temperature environment service life testing machine for joint bearing |
| CN103207072A (en) * | 2013-04-22 | 2013-07-17 | 上海大学 | Testing machine for adjusting durability of car steering column |
| CN203365070U (en) * | 2013-06-25 | 2013-12-25 | 广州加士特密封技术有限公司 | High-pressure rotating oil seal test bench |
| CN104315279A (en) * | 2014-09-26 | 2015-01-28 | 中国工程物理研究院总体工程研究所 | Novel self-adapting liquid film sealing rotary connector |
| CN104697874A (en) * | 2015-03-09 | 2015-06-10 | 福建省闽旋科技股份有限公司 | Digital high-speed rotating joint testing platform |
| CN204495545U (en) * | 2015-01-07 | 2015-07-22 | 广东和氏自动化技术股份有限公司 | Automobile rotary valve assembly synthesis intelligent detection equipment |
| CN204903104U (en) * | 2015-07-31 | 2015-12-23 | 深圳市鑫台铭机械设备有限公司 | Equipment is examined to gas tightness water |
| CN205484111U (en) * | 2016-01-13 | 2016-08-17 | 成都泓睿科技有限责任公司 | Large capacity container bottle revolves bottled putting |
| CN105928716A (en) * | 2016-07-13 | 2016-09-07 | 昆山浩硕精密机械有限公司 | Safety type automobile angle adjuster torque testing device |
| CN205748889U (en) * | 2016-05-12 | 2016-11-30 | 杭州佳航实业有限公司 | Swivel joint life test rack is used in a kind of fluid conveying |
| CN206594243U (en) * | 2017-04-06 | 2017-10-27 | 中国工程物理研究院总体工程研究所 | Swivel joint testing stand |
-
2017
- 2017-04-06 CN CN201710220610.6A patent/CN108693414B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100857452B1 (en) * | 2008-02-26 | 2008-09-08 | (주)함코 | Fixing means for marking chalk of tire balance apparatus |
| CN102053015A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Tester for thrust bearing |
| CN101718632A (en) * | 2009-11-16 | 2010-06-02 | 浙江大学 | Multifunctional test bed for simulating condition by one-quarter suspension of vehicle |
| CN201903421U (en) * | 2010-12-09 | 2011-07-20 | 浙江华电器材检测研究所 | Fastener axial force and torque combined tester |
| CN102192815A (en) * | 2011-04-11 | 2011-09-21 | 安徽维嘉星火动平衡制造有限公司 | Clamping jaw device for shaft of dynamic balancing machine |
| CN103048136A (en) * | 2012-12-19 | 2013-04-17 | 燕山大学 | High and low temperature environment service life testing machine for joint bearing |
| CN103207072A (en) * | 2013-04-22 | 2013-07-17 | 上海大学 | Testing machine for adjusting durability of car steering column |
| CN203365070U (en) * | 2013-06-25 | 2013-12-25 | 广州加士特密封技术有限公司 | High-pressure rotating oil seal test bench |
| CN104315279A (en) * | 2014-09-26 | 2015-01-28 | 中国工程物理研究院总体工程研究所 | Novel self-adapting liquid film sealing rotary connector |
| CN204495545U (en) * | 2015-01-07 | 2015-07-22 | 广东和氏自动化技术股份有限公司 | Automobile rotary valve assembly synthesis intelligent detection equipment |
| CN104697874A (en) * | 2015-03-09 | 2015-06-10 | 福建省闽旋科技股份有限公司 | Digital high-speed rotating joint testing platform |
| CN204903104U (en) * | 2015-07-31 | 2015-12-23 | 深圳市鑫台铭机械设备有限公司 | Equipment is examined to gas tightness water |
| CN205484111U (en) * | 2016-01-13 | 2016-08-17 | 成都泓睿科技有限责任公司 | Large capacity container bottle revolves bottled putting |
| CN205748889U (en) * | 2016-05-12 | 2016-11-30 | 杭州佳航实业有限公司 | Swivel joint life test rack is used in a kind of fluid conveying |
| CN105928716A (en) * | 2016-07-13 | 2016-09-07 | 昆山浩硕精密机械有限公司 | Safety type automobile angle adjuster torque testing device |
| CN206594243U (en) * | 2017-04-06 | 2017-10-27 | 中国工程物理研究院总体工程研究所 | Swivel joint testing stand |
Non-Patent Citations (2)
| Title |
|---|
| 李锋;谭晓军;拜云山;朱永清;: "非接触式间隙密封旋转接头动力学建模与分析", 装备环境工程, no. 05 * |
| 邵凤翔;李坤全;: "PE塑料焊接旋转夹具设计", 塑料工业, no. 03 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108693414B (en) | 2024-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106643868B (en) | Multiphase flow pipeline mechanical paraffin removal simulation test device and the mold for making wax deposit | |
| CN201261417Y (en) | Combination of special apparatus detector and special automobile | |
| CN207703522U (en) | A kind of numerically controlled automatic constructing device for large-scale geophysical exploration experiment | |
| CN105571817A (en) | Hypersonic wind tunnel three-degree-of-freedom model inputting device | |
| CN202049033U (en) | Land ship tail shaft power and structure testing experiment device | |
| CN209311113U (en) | A kind of mining machinery cutting mechanism is comprehensive performance test bed | |
| CN206594243U (en) | Swivel joint testing stand | |
| CN108693414A (en) | Rotary joint testing stand | |
| CN203497158U (en) | Multifunctional lifting underground overhauling platform | |
| CN206740391U (en) | Aerial weapon equipment test bay | |
| CN105259038A (en) | Pipeline heave resistance performance testing device on super-gravity condition | |
| CN209166541U (en) | A kind of intelligent river channel current surveying monitoring device | |
| CN207779758U (en) | A kind of antivacuum electromagnetic induction furnace thermometric sampler | |
| CN105469690A (en) | Auto-demonstration teaching mold of car coupler tri-state experiment and demonstration method for same | |
| CN206690090U (en) | A kind of hybrid six degree of freedom mechanical gripper of push-rod speed reducer | |
| CN102706516B (en) | Feed water pipe connecting seal test equipment | |
| CN212459212U (en) | Static pressure test bench convenient to remove and having protective structure | |
| CN205843978U (en) | For railcar vehicle-mounted air compressor machine test testing stand | |
| CN214309877U (en) | Special equipment pipeline under pressure detection device | |
| CN205677363U (en) | A kind of for turbine-generator units machine hole fence apparatus | |
| CN201319264Y (en) | New fuel checking device | |
| CN207295457U (en) | A kind of highway bridge apparatus for examination and repair | |
| CN203997850U (en) | A kind of bend pipe 360 degree slewing arrangements | |
| CN217716816U (en) | Detection device is suppressed to road roller steel wheel vibration exciter | |
| CN212567940U (en) | Roller reaction type automobile brake inspection bench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |