CN115950483A - Electricity string functional test equipment of transferring - Google Patents
Electricity string functional test equipment of transferring Download PDFInfo
- Publication number
- CN115950483A CN115950483A CN202211733940.2A CN202211733940A CN115950483A CN 115950483 A CN115950483 A CN 115950483A CN 202211733940 A CN202211733940 A CN 202211733940A CN 115950483 A CN115950483 A CN 115950483A
- Authority
- CN
- China
- Prior art keywords
- pipe column
- turntable
- frock
- tool
- upper tool
- 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.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a function test device for an electric tuning pipe column, which comprises a rack, a turntable mechanism, a lifting mechanism, a lower tool and an upper tool, wherein the turntable mechanism, the lifting mechanism, the lower tool and the upper tool are arranged on the rack, the lower tool is arranged above the turntable mechanism and synchronously rotates, the upper tool is arranged below the lifting mechanism, the lifting mechanism drives the upper tool to vertically move up and down, so that the upper tool is close to or far away from the lower tool, the lower tool supports the electric tuning pipe column to be tested, and the upper tool is provided with a noise detection device which is in contact with the electric tuning pipe column to be tested. The angle and the operating mode of simulation electricity transfer tubular column complete machine assembly, the equipment carries out the test of functional parameters such as noise, operating current, working stroke, operating speed automatically, improve equipment's stability and positioning accuracy to have with the high repeatability of test, promoted the authenticity of electricity transfer tubular column test result greatly. The noise test can be automatically carried out under the simulation working state, the test accuracy and reliability are improved, and the working strength is reduced.
Description
Technical Field
The invention relates to the field of detection tools, in particular to an electric tuning pipe column function testing device.
Background
The electric control pipe column is widely applied to various fields, and the work of an internal motor is controlled through electric signals, so that the auxiliary drive control work of equipment is realized. In order to ensure the reliability of the electrically-regulated pipe column, the function of the electrically-regulated pipe column needs to be tested.
The existing detection mode of the function test adopts manual test, the stability is poor, the beat length is long, the influence of subjective factors and environmental factors of the manual test on the test result is large, the labor cost is high, the test is inaccurate, and the influence on the quality of the whole product of the electric adjusting pipe column is very large. Especially in the noise testing step, the manual testing mode is that the stethoscope is adopted to carry out artificial subjective judgment on a plurality of testing points of the electric tuning pipe column, and in addition, the manual testing cannot be carried out under the normal operating condition of the electric tuning pipe column, so the testing result is inaccurate.
Therefore, how to provide an electrically-regulated pipe column function testing device is a technical problem which needs to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a function test device of an electrically-regulated pipe column, which replaces manual test, can automatically test noise under a simulated working state, improves the test accuracy and reliability and reduces the working strength.
In order to solve the technical problem, the invention provides a function testing device for an electric tuning pipe column, which comprises a rack, and a turntable mechanism, a lifting mechanism, a lower tool and an upper tool which are arranged on the rack, wherein the lower tool is arranged above the turntable mechanism and synchronously rotates, the upper tool is arranged below the lifting mechanism, the lifting mechanism drives the upper tool to vertically move up and down, so that the upper tool is close to or far away from the lower tool, the lower tool supports the electric tuning pipe column to be tested, and the upper tool is provided with a noise detection device which is in contact with the electric tuning pipe column to be tested.
Preferably, the turntable mechanism comprises a turntable frame and a turntable arranged on the turntable, the lower tool is arranged on the turntable, and a limit stop, a non-return stop mechanism, a plug pin positioning mechanism and a proximity sensor are arranged below the turntable frame.
Preferably, a code scanner is arranged above the rotary table.
Preferably, elevating system including the fixed subassembly of lift and install in the lift actuating mechanism of the fixed subassembly of lift, lift actuating mechanism passes through joint bearing and connects the lift coupling assembling, the lift coupling assembling is connected go up the frock.
Preferably, the lower tool comprises a lower bottom plate and a positioning clamp assembly arranged above the middle part of the lower bottom plate, one end of the positioning clamp assembly is provided with an electric adjusting pipe column output shaft positioning cylinder, and two ends of the lower bottom plate are provided with a model changing handle mechanism and a lower positioning pin.
Preferably, the upper tool comprises an upper base plate and a clamping and positioning assembly arranged below the upper base plate, and the noise detection device and the rotating speed detection device are arranged below the clamping and positioning assembly.
Preferably, the noise detection device comprises a first telescopic cylinder and a first acceleration sensor which are in contact with the electric adjusting pipe column support, the noise detection device further comprises a second telescopic cylinder and a second acceleration sensor which are in contact with the electric adjusting pipe column motor, and the rotating speed detection device comprises a hall sensor.
Preferably, the rack is provided with a counterweight mechanism matched with the upper tool.
Preferably, a hydraulic system, an air source processing assembly and a keyboard assembly are mounted on the machine frame.
Preferably, install laser detection mechanism in the frame, laser detection mechanism include the laser mount with install in the 3D laser sensor of laser mount, the laser mount install in the lower frock side.
The invention provides a function test device for an electric tuning pipe column, which comprises a rack, a turntable mechanism, a lifting mechanism, a lower tool and an upper tool, wherein the turntable mechanism, the lifting mechanism, the lower tool and the upper tool are arranged on the rack, the lower tool is arranged above the turntable mechanism and synchronously rotates, the upper tool is arranged below the lifting mechanism, the lifting mechanism drives the upper tool to vertically move up and down, so that the upper tool is close to or far away from the lower tool, the lower tool supports the electric tuning pipe column to be tested, and the upper tool is provided with a noise detection device which is in contact with the electric tuning pipe column to be tested.
The electric tuning pipe column to be tested is placed on the lower tool in the detection process, the upper tool is driven by the lifting mechanism to move downwards, the lower tool and the upper tool clamp the electric tuning pipe column to be tested, and automatic noise test is performed through the noise detection device. The angle and the operating condition of simulation electricity transfer tubular column complete machine assembly, the equipment carries out the test of noise, operating current, working stroke, operating speed isoparametric automatically, improve equipment's stability and positioning accuracy to have with the high repeatability of test, promoted the authenticity of electricity transfer tubular column test result greatly. The noise test can be automatically carried out under the simulation working state, the test accuracy and reliability are improved, and the working strength is reduced.
Drawings
FIG. 1 is a schematic diagram of a dual-view structure of a specific embodiment of an electrical tilt string function testing device provided by the present invention;
FIG. 2 is a schematic diagram of a dual-view structure of a turntable mechanism in an embodiment of the electrical tilt column function testing apparatus provided in the present invention;
fig. 3 is a schematic structural diagram of a lifting mechanism in a specific embodiment of the electrical tilt pipe column function testing device provided by the present invention;
FIG. 4 is a schematic diagram of a dual-view structure of a lower tool in one embodiment of the electrical tilt string function testing apparatus provided in the present invention;
FIG. 5 is a schematic diagram of a double-view structure of an upper tool in one embodiment of the electrical tilt pipe column function testing device provided by the present invention;
FIG. 6 is a schematic structural diagram of a counterweight mechanism in an embodiment of the apparatus for testing the functionality of an electrically tunable pipe string provided in the present invention;
FIG. 7 is a schematic structural diagram of a counterweight mechanism in an embodiment of the apparatus for testing the functionality of an electrical tilt string provided in the present invention;
fig. 8 is a schematic structural diagram of a laser detection mechanism in a specific embodiment of the electrical tilt string function test apparatus provided in the present invention.
Wherein, 1 a main frame, 2 an outer frame, 3 a lower frame, 4 a hydraulic system, 5 an air source processing assembly, 6 a keyboard assembly, 100 a turntable mechanism, 200 a lifting mechanism and 300 a lower tool, 400 upper tooling, 500 counterweight mechanism, 600 counterweight head mechanism, 700 laser detection mechanism, 101 turntable frame, 102 bearing fixing seat, 103 turntable bearing, 104 turntable, 105 balance support device, 106 limit stop, 107 check stop cylinder, 108 positioning sleeve, 109 pin limit cylinder, 110 proximity sensor, 111 code scanner, 112 code scanner lifting cylinder, 113 code scanner drag chain, 114 profile guard plate, 115 rotating handle, 201 lifting electric cylinder, 202 reducer, 203 servo motor, 204 lifting fixing component, 205 lifting guide rail, 206 sliding connecting plate, 207 joint bearing, 208 lifting connecting component, 209 pneumatic slide rail clamp, 210 lifting drag chain, 301 change type handle mechanism, 302 plug pin, 303 positioning clamp component, 304 electric adjusting pipe column output shaft positioning cylinder, 305 positioning handle, 401 upper bottom plate, 402 shock pad, 403 clamping positioning component, 404 product positioning cylinder, 405 rotating clamping cylinder, 406 first acceleration sensor, 407 first telescopic cylinder, 408 second telescopic cylinder, 409 second telescopic cylinder, 410 clamping jaw air cylinder 411, 410 clamping jaw distributor component, 414, 403 clamping positioning component, 605 product positioning air cylinder, 405 rotating clamping spring fixing cylinder, 70501, pressing spring fixing component, 602, pressing spring fixing block, 3, pressing spring fixing component, 70608, and pressing chain guide block, 3.
Detailed Description
The core of the invention is to provide the function testing equipment of the electric tuning pipe column, which replaces manual testing, can automatically test noise under a simulation working state, improves the testing accuracy and reliability and reduces the working strength.
In order that those skilled in the art will better understand the disclosure, reference will now be made in detail to the embodiments of the disclosure as illustrated in the accompanying drawings.
The specific embodiment of the invention provides a function test device for an electric tuning pipe column, which comprises a rack, a turntable mechanism 100, a lifting mechanism 200, a lower tool 300 and an upper tool 400, wherein the turntable mechanism 100, the lifting mechanism 200, the lower tool 300 and the upper tool 400 are arranged on the rack, the lower tool 300 is arranged above the turntable mechanism 100 and rotates synchronously, the upper tool 400 is arranged below the lifting mechanism 200, the lifting mechanism 200 drives the upper tool 400 to vertically move up and down, so that the upper tool 400 is close to or far away from the lower tool 300, the lower tool 300 supports the electric tuning pipe column to be tested, and a noise detection device which is in contact with the electric tuning pipe column to be tested is arranged on the upper tool 400.
Wherein, the frame includes main frame 1, outer frame 2 and underframe 3, underframe 3 supports main frame 1 and carousel mechanism 100, and outer frame 2 sets up around main frame 1 to install the protection wallboard. Accordingly, the hydraulic system 4, the air source processing assembly 5 and the keyboard assembly 6 are mounted on the frame, provide power for each device and input control information.
The electric tuning pipe column to be tested is placed on the lower tool 300 in the detection process, the upper tool 400 is driven by the lifting mechanism to move downwards, the lower tool 300 and the upper tool 400 clamp the electric tuning pipe column to be tested, and automatic noise testing is performed through the noise detection device. The angle and the operating condition of simulation electricity transfer tubular column complete machine assembly, the equipment carries out the test of noise, operating current, working stroke, operating speed isoparametric automatically, improve equipment's stability and positioning accuracy to have with the high repeatability of test, promoted the authenticity of electricity transfer tubular column test result greatly. The noise test can be automatically carried out under the simulation working state, the test accuracy and reliability are improved, and the working strength is reduced.
Specifically, the turntable mechanism 100 comprises a turntable frame 101 and a turntable 104 mounted on the turntable frame 101, the lower tool 300 is mounted on the turntable 104, and is provided with a fixed bearing fixing seat 102, the turntable 104 is supported by a turntable bearing 103, so that the turntable 104 can rotate around a vertical axis, a balance supporting device 105, a limit stop 106, a non-return stop mechanism, a plug pin positioning mechanism and a proximity sensor 110 are arranged below the turntable frame 101, the non-return stop mechanism is a non-return stop cylinder 107, the plug pin positioning mechanism comprises a pin limit cylinder 109 and a positioning sleeve 108 arranged on the turntable 104, an electric adjusting pipe column is connected with the lower tool 300 to drive the lower tool 300 and the turntable 104 to rotate, the balance supporting device 105 provides balance for the rotation of the turntable 104, the limit stop 106 provides limit for the turntable 104, the non-return stop cylinder 107 ensures that the turntable 104 does not rebound after rotating in place, the pin limit cylinder 109 pushes the pin into the positioning sleeve 108 after the turntable 104 is in place, and the proximity sensor 110 provides a rotation to place signal for the turntable 104. And a profile guard plate 114 and a rotating handle 115 are arranged on the rotary table 104, so that the operation is convenient for personnel.
Further, revolving stage 104 top is provided with bar code scanner 111, reciprocates through bar code scanner lift cylinder 112 and bar code scanner tow chain 113 drive bar code scanner 111, aligns the electricity and transfers the tubular column, sweeps a yard discernment operation.
The lifting mechanism 200 comprises a lifting fixing component 204 and a lifting driving mechanism installed on the lifting fixing component 204, the lifting driving mechanism is connected with a lifting connecting component 208 through a joint bearing 207, and the lifting connecting component 208 is connected with the upper tool 400. Specifically, lift actuating mechanism includes lift electric cylinder 201, speed reducer 202, servo motor 203, lift electric cylinder 201 installs on lift fixed subassembly 204, lift fixed subassembly 204 installs on main frame 1, lift guide rail 205 for elevating system provides the direction, sliding connection board 206 installs on lift guide rail 205, lift electric cylinder 201 passes through joint bearing 207 and connects lift coupling assembling 208, lift coupling assembling 208 connects sliding connection board 206, the last pneumatic slide rail of being equipped with of sliding connection board 206 clamps ware 209, prevent that the mechanism landing from causing the injury to the operator, the last lift tow chain 210 that is equipped with of sliding connection board 206, servo motor 203 drives lift electric cylinder 201 and stretches out and draws back in the course of the work, drive sliding connection board 206 and lift coupling assembling 208 up-and-down motion.
In the electrical tilt pipe column function test device provided by the specific embodiment of the invention, the lower fixture 300 comprises a lower base plate and a positioning fixture assembly 303 arranged above the middle part of the lower base plate, one end of the positioning fixture assembly 303 is provided with an electrical tilt pipe column output shaft positioning cylinder 304, and two ends of the lower base plate are provided with a model changing handle mechanism 301 and a lower positioning pin 302. When frock 300 under the installation, insert through locating pin 302 down and correspond the locating hole and fix a position, then it is fixed to lock through remodel handle mechanism 301, can change the lower frock 300 of different models as required, and positioning fixture subassembly 303 matches with the tubular column shape of electricity accent for support electricity accent tubular column, the tubular column output shaft location cylinder 304 is stretched out and is fixed a position electricity accent tubular column output shaft simultaneously.
The upper tool 400 comprises an upper base plate 401 and a clamping and positioning assembly 403 arranged below the upper base plate 401, wherein a noise detection device and a rotating speed detection device are arranged below the clamping and positioning assembly 403. Specifically, the noise detection device comprises a first telescopic cylinder 407 and a first acceleration sensor 406 which are in contact with the electric adjusting pipe column support, the noise detection device further comprises a second telescopic cylinder 409 and a second acceleration sensor 408 which are in contact with the electric adjusting pipe column motor, and the rotating speed detection device comprises a hall sensor 411. A shock absorption pad 402 is arranged between the upper base plate 401 and the clamping and positioning assembly 403, a product positioning air cylinder 404 of the clamping and positioning assembly 403 is used for realizing the upper positioning of a product, an electric tuning pipe column is clamped on the upper tool 400 through a rotary clamping oil cylinder 405, a telescopic air cylinder is in contact with the specific position of the electric tuning pipe column, the generated vibration is transmitted to an acceleration sensor, and a corresponding noise value is obtained through the conversion of the acceleration sensor due to the relation between the vibration and the noise. The hall sensor 411 detects the rotation speed of the electric adjusting pipe column motor, and is further provided with an oil circuit system powered by the rotary clamping oil cylinder 405, wherein the oil circuit system consists of an oil circuit quick-plugging connector, an oil distribution block, an oil pipe and an oil pipe connector, and further comprises a valve island for controlling a pneumatic actuating element and a distributor assembly 414 for integrating cables. In the course of the work, go up behind frock 400 and the tight electrically transferred tubular column of lower frock 300 clamp, each location cylinder stretches out the location, gives the oil cylinder clamp and fixes to for the electrically transferred tubular column circular telegram simulation operating condition, then first telescopic cylinder 407, the flexible cylinder 409 of second, hall sensor 411 correspond the position contact with the electrically transferred tubular column, carry out the detection of relevant data.
Install in the frame with last frock complex counter weight mechanism 500, including balancing weight 501, guide post 502, chain 503, sprocket 504 and sprocket fixed subassembly 505, form and last frock 400 complex counter weight, and be provided with counter weight head mechanism 600, be used for displacement detection's detection head 601, detect first fixed disk 602, rotatory piece 603, flexible dabber 604, expansion sleeve 605, elasticity compact heap 606, guide bar 607, locking ball 608, locking spring 609, compression spring 610 including the front end, detect the displacement distance of counter weight.
On the basis of the function test equipment for the electric tuning pipe column provided by each specific embodiment, a laser detection mechanism 700 is installed on the rack, the laser detection mechanism 700 comprises a laser fixing frame 702 and a 3D laser sensor 701 installed on the laser fixing frame 702, the laser fixing frame 702 is installed on the side surface of the lower tool 300, laser detection is performed on the electric tuning pipe column, and the position of the 3D laser sensor 701 is adjusted through an adjusting component 703.
The driving mode and the transmission mode of each component can be adjusted according to the situation, or the layout mode of each component can be adjusted, which is within the protection scope of the invention.
The function test equipment of the electric regulation pipe column provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a tubular column functional test equipment is transferred to electricity, its characterized in that, include the frame and install in carousel mechanism, elevating system, lower frock and the last frock of frame, down the frock install in carousel mechanism top and synchronous rotation, go up the frock install in the elevating system below, the elevating system drive go up the vertical reciprocating of frock, make it is close to or keeps away from to go up the frock down the frock, the frock supports the examination of awaiting measuring electricity and transfers the tubular column, upward be provided with on the frock and transfer the noise detection device of tubular column contact with the examination of awaiting measuring electricity.
2. The electrically-adjustable pipe column function testing equipment according to claim 1, wherein the turntable mechanism comprises a turntable frame and a turntable mounted on the turntable frame, the lower tool is mounted on the turntable, and a limit stop, a non-return stop mechanism, a pin positioning mechanism and a proximity sensor are arranged below the turntable frame.
3. The electrically adjustable pipe column function testing device according to claim 2, wherein a code scanner is arranged above the rotary table.
4. The electric tilt pipe column function testing equipment according to claim 3, wherein the lifting mechanism comprises a lifting fixing component and a lifting driving mechanism installed on the lifting fixing component, the lifting driving mechanism is connected with a lifting connecting component through a joint bearing, and the lifting connecting component is connected with the upper tool.
5. The electric tilt pipe column function test device according to claim 4, wherein the lower tool comprises a lower bottom plate and a positioning clamp assembly installed above the middle part of the lower bottom plate, one end of the positioning clamp assembly is provided with an electric tilt pipe column output shaft positioning cylinder, and two ends of the lower bottom plate are provided with a model changing handle mechanism and a lower positioning pin.
6. The electric tilt pipe column function testing equipment of claim 5, wherein the upper tool comprises an upper bottom plate and a clamping and positioning assembly installed below the upper bottom plate, and the noise detection device and the rotating speed detection device are installed below the clamping and positioning assembly.
7. The electrical tilt string function testing device according to claim 6, wherein the noise detection device comprises a first telescopic cylinder and a first acceleration sensor which are in contact with the electrical tilt string support, the noise detection device further comprises a second telescopic cylinder and a second acceleration sensor which are in contact with the electrical tilt string motor, and the rotation speed detection device comprises a Hall sensor.
8. The electric tilt pipe column function test equipment according to claim 7, wherein a counterweight mechanism matched with the upper tool is installed on the rack.
9. The electrically adjustable pipe column function testing device of claim 8, wherein a hydraulic system, an air source processing assembly and a keyboard assembly are mounted on the frame.
10. The electrically regulated pipe column function testing equipment according to any one of claims 1 to 9, wherein a laser detection mechanism is installed on the rack, the laser detection mechanism comprises a laser fixing frame and a 3D laser sensor installed on the laser fixing frame, and the laser fixing frame is installed on the side face of the lower tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211733940.2A CN115950483A (en) | 2022-12-30 | 2022-12-30 | Electricity string functional test equipment of transferring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211733940.2A CN115950483A (en) | 2022-12-30 | 2022-12-30 | Electricity string functional test equipment of transferring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115950483A true CN115950483A (en) | 2023-04-11 |
Family
ID=87290351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211733940.2A Pending CN115950483A (en) | 2022-12-30 | 2022-12-30 | Electricity string functional test equipment of transferring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115950483A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183254A (en) * | 2023-04-27 | 2023-05-30 | 豫北转向系统(新乡)股份有限公司 | Detection device for electric pipe column noise |
-
2022
- 2022-12-30 CN CN202211733940.2A patent/CN115950483A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183254A (en) * | 2023-04-27 | 2023-05-30 | 豫北转向系统(新乡)股份有限公司 | Detection device for electric pipe column noise |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108775887B (en) | A kind of detection method of lithium battery | |
| CN110757152B (en) | Automatic assembly machine for torsion spring of phaser and assembly method thereof | |
| CN109781046A (en) | Linear measure longimetry mechanism and new energy cell inspection equipment | |
| CN115950483A (en) | Electricity string functional test equipment of transferring | |
| CN212627608U (en) | Driving motor stator and rotor combination equipment | |
| CN111413239A (en) | Double-station tire abrasion resistance testing machine | |
| CN104795712B (en) | Lead access mechanism for stator winding | |
| CN106877817B (en) | Solar components power test equipment | |
| CN201382978Y (en) | Testing machine of electronic circuit board | |
| CN108655703A (en) | Main beating cap indenter device | |
| CN209069219U (en) | Three-dimensional profile measuring device for spent fuel assembly of sodium-cooled fast reactor | |
| CN215598594U (en) | Bolt and nut tightening torque testing mechanism | |
| CN212274898U (en) | Motor stator and rotor punching sheet plate testing device | |
| CN212398998U (en) | Tool setting gauge for detecting novel finish milling cutter | |
| CN211374882U (en) | Network terminal BOB and power coupling detection machine | |
| CN211292372U (en) | Automatic pressure testing device | |
| CN209707846U (en) | Liquid crystal display lights detecting probe seat jacking apparatus | |
| CN206095594U (en) | Spare tire elevator test bench | |
| CN208635991U (en) | A kind of mechanical oscillation experimental rig | |
| CN113483936A (en) | Bolt and nut tightening torque testing mechanism | |
| CN217542401U (en) | Door executor testing arrangement | |
| CN110850157A (en) | Network terminal BOB and power coupling detection machine | |
| CN221993303U (en) | Product resistance and outward appearance detection mechanism | |
| CN221302704U (en) | Test bench and AR-HUD test system | |
| CN110231724A (en) | Liquid crystal display lights detecting probe seat jacking apparatus |
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 |