CN112504571A - Motor train unit sealing performance detection platform - Google Patents
Motor train unit sealing performance detection platform Download PDFInfo
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- CN112504571A CN112504571A CN202011512370.5A CN202011512370A CN112504571A CN 112504571 A CN112504571 A CN 112504571A CN 202011512370 A CN202011512370 A CN 202011512370A CN 112504571 A CN112504571 A CN 112504571A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
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Abstract
The invention discloses a motor train unit sealing performance detection platform, wherein a vehicle window automatic sealing mechanism comprises a first fixing frame, two sealing covers, two sealing control pieces and a second fixing frame, the first fixing frame is provided with two sliding vertical supporting pieces, the two sealing control pieces slide on the vertical supporting pieces respectively, a telescopic sliding butt joint module is arranged on each sealing control piece, the two lifting control pieces are arranged at two ends of a bearing stand respectively, a telescopic sliding lifting shaft is arranged on each bearing stand respectively, a rotary control piece is arranged on each lifting shaft respectively, a rotary sealing door plate is arranged on each rotary control piece respectively, the vehicle window can be sealed through the sealing covers, end doors at two ends of a carriage body can be sealed through the sealing door plates, and then can realize self-sealing's purpose, great improvement sealed efficiency.
Description
Technical Field
The invention relates to the field of motor train unit assembly, in particular to a motor train unit sealing performance detection platform, and particularly relates to a motor train unit sealing performance experiment platform capable of performing an air-tight test on a motor train unit after assembly.
Background
With the continuous improvement of railway construction, the production quantity of the motor train unit is further promoted to be increased continuously, wherein in the production process of the motor train unit at present, shells are spliced and welded, the welding quality is determined by observing the welding position mostly in the welding quality detection process because the number of the shells of the motor train unit is large, the welding quality cannot be detected by observing the welding quality because of more welding positions, windows and end doors are sealed in the device for detecting the welding quality at present, then the interior of a carriage is inflated, then foam water is sprayed outside the carriage, and the purpose of detecting the welding quality is achieved by observing whether the position of a welding line has bubbles or not, because the door window of the carriage body both sides is more, wherein at the in-process sealed to the door window, need fix on the door window through the closing plate, the purpose of sealed door window has been reached, because the quantity of door window is more, so the shutoff operation of door window is comparatively troublesome, further reduce the sealed efficiency of the carriage body, simultaneously at the in-process that carries out the foam water to the carriage body and spray, also can only spray to the carriage side through the artifical mode that sprays, great reduction the spraying efficiency of foam water, simultaneously can be at the in-process that sprays the foam water, also can only spray water to automobile body both sides, can not spray for whole carriage body, great reduction the spraying efficiency of foam water.
Therefore, it is necessary to design a sealing detection platform for a motor train unit to solve the above technical problems.
Disclosure of Invention
Technical problem to be solved
The motor train unit sealing performance detection platform is not enough aiming at the existing problems, the lifting control piece is arranged at two ends of the bearing support, a sliding lifting shaft is arranged on the lifting control piece, a rotary control piece is arranged at the end part of the lifting shaft respectively, a sealing door plate is arranged on the rotary control piece respectively, end door openings at two ends of the carriage body can be sealed through the sealing door plate, a first fixing frame is arranged at two sides of the bearing support, the sliding lifting control piece is arranged on the first fixing frame, the sealing cover can be lifted and controlled through the lifting control piece, and then the carriage body can be sealed after being butted on a vehicle window through the sealing cover, so that the purpose of automatic sealing is achieved, and the sealing efficiency of the carriage body is greatly improved.
(II) technical scheme
The invention is realized by the following technical scheme:
a motor train unit sealing detection platform comprises a carriage body, wherein vehicle windows are arranged on two sides of the carriage body, two ends of the carriage body are respectively provided with an end door opening, and the motor train unit sealing detection platform comprises a bearing stand platform, a vehicle window automatic sealing mechanism, an end door sealing mechanism and a foam spraying mechanism;
the bottom of the bearing support is provided with a lifting base capable of sliding up and down, the lifting base is provided with two rails, the rails are provided with two sliding traction bases, and the carriage body is arranged on the two traction bases;
the automatic sealing mechanism for the car window comprises a first fixing frame, a sealing cover, a sealing control piece and a second fixing frame;
the first fixing frame is provided with two vertical sliding supporting pieces, the first fixing frame is provided with two sliding vertical supporting pieces respectively, the sealing control pieces are provided with two sealing parts and slide on the vertical supporting pieces respectively, the sealing control pieces are provided with a docking module which can slide in a telescopic manner, the docking module is provided with a circle of swinging blocks, the sealing covers are provided with a plurality of sealing covers respectively, the sealing covers are provided with a docking piece respectively, the docking piece is provided with a second air bag respectively, the sealing covers are provided with a control module respectively, the sealing covers are provided with a docking groove respectively, the outer rings of the docking grooves are provided with a second locking groove respectively, after the docking module is docked in the docking grooves, the swinging blocks are clamped in the second locking grooves, and the docking module is provided with an inflating module, the outer ring of the sealing cover is provided with a first air bag, and the inflation module is butted with the control module and then controls the inflation of the first air bag and the second air bag;
the second fixing frame is provided with two fixing frames, a plurality of fixing grooves are formed in the second fixing frame, two clamping supports which synchronously swing are arranged in the fixing grooves respectively, a locking head is arranged on each clamping support respectively, after the sealing covers are clamped in the fixing grooves respectively, two sides of each sealing cover are provided with a first locking groove respectively, each locking head is clamped in the first locking groove, a first jacking rod which slides in a telescopic mode is arranged on the second fixing frame, and the first jacking rod controls the clamping supports to swing;
a top pressing shaft which can stretch and slide is arranged on the vertical supporting piece, and the top pressing shaft controls the first top pressing rod to slide;
the lifting control pieces are arranged at two ends of the bearing stand respectively, a lifting shaft which can slide in a telescopic manner is arranged on the bearing stand respectively, a rotary control piece is arranged on each lifting shaft respectively, a rotary sealing door plate is arranged on each rotary control piece respectively, an end door sealing piece is arranged on each sealing door plate respectively, and the end door sealing pieces are clamped on the end door openings respectively;
the butting parts are respectively butted on the car window, the first air bag and the second air bag are respectively pressed on the car body after being inflated, and the first fixing frame and the second fixing frame are respectively and fixedly connected to two sides of the bearing stand platform;
the foam spraying mechanism comprises a jacking supporting piece, a sliding module and a spraying frame;
the top support frame sets up the top of bearing pallet, the slip module is in the top support frame is last to slide, it is provided with two to spray the frame, and sets up respectively the both sides of sliding block.
Preferably, a groove is formed in the bottom of the bearing support, a plurality of hydraulic devices are arranged in the groove, the lifting base is arranged on the hydraulic devices, and the bottom of the traction base is provided with rotating rollers which rotate on the rails.
Preferably, the first fixing frame is provided with a first sliding chute, a first sliding seat is arranged in the first sliding chute, a first driving wheel is arranged at each of two ends of the first sliding seat, a first motor for driving the first driving wheel to rotate is arranged in the first sliding seat, the vertical supporting member is connected to the first sliding seat, the sealing control member is provided with a supporting sliding hole corresponding to the vertical supporting member, two sides of the supporting sliding hole are provided with a first gear driven by the motor, and two sides of the vertical supporting member are provided with tooth grooves correspondingly engaged with the first gear;
and a second threaded rod driven by a third motor is arranged on the sealing control piece, and a threaded hole correspondingly meshed and connected with the second threaded rod is arranged on the butt joint module.
Preferably, a rotating toothed ring is arranged in the butt joint module and is in a circular ring shape, the swinging block is provided with a plurality of teeth grooves, the teeth grooves are correspondingly meshed with the rotating toothed ring and are connected with the swinging block, a second gear driven by a fourth motor is arranged in the butt joint module, and the second gear is correspondingly meshed with the rotating toothed ring and is connected with the rotating toothed ring.
Preferably, the first air bag is connected with a first air pipe, the second air bag is connected with a second air pipe, a sealed sliding cavity is arranged in the control module, one end of the control module is provided with a second air hole correspondingly communicated with the sealed sliding cavity, the first air pipe and the second air pipe are respectively connected with the second air hole, the other end of the control module is provided with a butt joint hole correspondingly communicated with the sealed sliding cavity, a sliding sealed sliding block is arranged in the sealed sliding cavity, the sealed sliding block is arranged in a T shape, the sealed sliding block is provided with a first air hole, the sealed sliding cavity is internally provided with a third spring for elastically pressing the sealed sliding block to slide, the end part of the inflation module is provided with an inflation head, the inflation head is provided with a third air hole, and the inflation head is internally provided with a third air pipe correspondingly communicated with the third air hole, the inflation head penetrates through the butt joint hole in a butt joint mode and then pushes the sealing sliding block to slide, and the third air hole exhausts air to the inside of the sealing sliding cavity.
Preferably, a rotating shaft for supporting the clamping support to swing is arranged in the fixing groove, a second swing top pressure rod is arranged in the second fixing frame, a supporting rotating shaft for supporting the second top pressure rod to swing is arranged in the second fixing frame, the first top pressure rod is connected to one end of the second top pressure rod, the other end of the second top pressure rod is connected with a third top pressure rod, a top pressure head which swings in the fixing groove is arranged at the end of the third top pressure rod, a top pressure groove which is arranged in a conical shape is arranged on the top pressure head, the end of the clamping support swings in the top pressure groove, the two clamping supports are connected in a tensioned mode through a second spring, and a first spring which elastically presses the second top pressure rod to swing is arranged in the second fixing frame;
the end part of the vertical supporting piece is provided with a sliding jacking shaft, a first threaded rod driven by a second motor is arranged in the vertical supporting piece, the jacking shaft is provided with a threaded hole correspondingly meshed and connected with the first threaded rod, and the jacking shaft jacks the first jacking rod to slide.
Preferably, a second sliding groove is formed in the lifting control member, a sliding control member is arranged in the second sliding groove, rotating third gears are arranged at two ends of the sliding control member respectively, tooth grooves correspondingly meshed and connected with the third gears are formed in the bottom of the second sliding groove, and a fifth motor for driving the third gears to rotate is arranged in the sliding control member;
a rotary lifting control turntable is arranged in the sliding control piece, a threaded hole is formed in the lifting control turntable, threads which are correspondingly meshed and connected with the threaded hole are arranged on the outer ring of the lifting shaft, a meshed fluted disc is arranged on the outer ring of the lifting control turntable, a sixth gear driven by a seventh motor is arranged in the sliding control piece, and the sixth gear is correspondingly meshed and connected with the meshed fluted disc;
the rotary control piece is internally provided with a fifth gear driven by a sixth motor, the sealing door panel is provided with a fourth gear which rotates in the rotary control piece, the fourth gear is correspondingly meshed with the fifth gear, the end door sealing piece is provided with a third air bag, and the third air bag is connected with a fourth air pipe.
Preferably, a supporting sliding groove is formed in the top supporting piece, a driving gear driven by a driving motor is arranged in the sliding module, tooth grooves correspondingly meshed and connected with the driving gear are formed in the supporting sliding groove, and a spraying hole is formed in the spraying frame.
(III) advantageous effects
The invention provides a motor train unit sealing performance detection platform which has the following beneficial effects:
the two ends of the bearing stand platform are respectively provided with a lifting control part, the lifting control part is respectively provided with a lifting shaft which can slide in a telescopic manner, the lifting shaft is respectively provided with a lifting control turntable, the lifting control turntable is provided with a sealing end door, the sealing end door can be driven to butt joint with the end door through the lifting control turntable, the carriage body can be supported through the lifting shaft, the traction base can be lowered after the lifting base is lowered through a hydraulic device, and the carriage body can be in a suspended state, so that the carriage body can be driven to rotate through the lifting control turntable, the top support part arranged at the top is further provided with a sliding module, the sliding module can drive the spraying frame to slide through the sliding module, and after the spraying frame can spray foam water, the whole carriage body can be sprayed with the foam water, the spraying efficiency is greatly improved;
the sealing device comprises a bearing stand, a first fixing frame, a second fixing frame corresponding to the first fixing frame, a sealing cover, a first sliding seat, a vertical supporting piece, a sliding sealing control piece, a telescopic sliding butt joint module, a sealing cover and a sealing cover control device.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a motor train unit sealing detection platform according to an embodiment of the invention.
FIG. 2 is a side view of the overall structure of the motor train unit sealing detection platform according to the embodiment of the invention.
Fig. 3 is a schematic view of the overall structure of the end door sealing mechanism according to the embodiment of the invention.
FIG. 4 is a schematic diagram of the overall structure of the inflation module and the control module according to the embodiment of the invention.
Fig. 5 is a schematic view of the overall structure of the sealing cover according to the embodiment of the present invention.
Fig. 6 is a schematic view of an overall structure of a second fixing frame according to an embodiment of the invention.
Fig. 7 is a schematic view of the overall structure of the sliding control member according to the embodiment of the invention.
FIG. 8 is a side view of the overall construction of a sliding control member in accordance with an embodiment of the present invention.
Fig. 9 is a schematic view of the overall structure of the rotary control member according to the embodiment of the present invention.
In the figure: 1, a bearing stand, 11 lifting bases, 1101 traction bases, 1102 tracks, 1103 rollers, 1104 fixing bases and 1105 hydraulic devices;
12 top support, 1201 support chute, 1202 slide module, 1203 drive gear, 1204 drive motor, 1205 spray frame;
2, a first fixed frame, a 2001 first sliding groove, a 2002 first sliding seat, a 2003 first driving wheel, a 2004 first motor, a 2005 vertical support, a 2006 jacking shaft, a 2007 second motor and a 2008 first threaded rod;
21 a second fixing frame, 2101 a first jacking rod, 2102 a second jacking rod, 2103 a third jacking rod, 2104 a jacking head, 2105 a jacking groove, 2106 a first spring, 2107 a fixing groove, 2108 a clamping bracket, 2109 a second spring, 2110 a locking head and 2111 a supporting rotating shaft;
22 sealing cover, 2201 first air bag, 2202 first air pipe, 2203 butt joint piece, 2204 second air bag, 2205 second air pipe, 2206 control module, 2207 first locking groove, 2208 second locking groove, 2209 butt joint groove, 2210 first air hole, 2211 third spring, 2212 butt joint hole, 2213 sealing sliding block, 2214 second air hole and 2215 sealing sliding cavity;
23 sealing control piece, 2301 supporting slide hole, 2302 first gear, 2303 third motor, 2304 second threaded rod, 2305 docking module, 2306 threaded hole, 2307 rotating ring gear, 2308 swinging block, 2309 second gear, 2310 fourth motor, 2311 inflating module, 2312 inflating head, 2313 third air pipe, 2314 third air hole;
3 lifting control parts, 3001 second sliding grooves, 3002 sliding control parts, 3003 third gears, 3004 fifth motors, 3005 lifting shafts, 3006 rotating control parts, 3007 sealing door plates, 3008 end door sealing parts, 3009 third air bags, 3010 fourth air pipes, 3011 fourth gears, 3012 fifth gears, 3013 sixth motors, 3014 lifting control rotating discs, 3015 meshing fluted discs, 3016 sixth gears and 3017 seventh motors;
4 carriage body, 4001 vehicle window, 4002 end gate.
Detailed Description
As shown in fig. 1 to 8, the motor train unit sealing performance detection platform comprises a carriage body 4, wherein vehicle window openings 4001 are arranged on two sides of the carriage body 4, two end door openings 4002 are respectively arranged on two ends of the carriage body 4, and the motor train unit sealing performance detection platform comprises a bearing support platform 1, a vehicle window automatic sealing mechanism, an end door sealing mechanism and a foam spraying mechanism;
the bottom of the bearing frame 1 is provided with a lifting base 11 capable of sliding up and down, the lifting base 11 is provided with two rails 1102, the rails 1102 are provided with two sliding traction bases 1101, and the carriage body 1 is arranged on the two traction bases 1101.
The lifting base 11 can go up and down at the bottom of bearing frame platform 1, be provided with on bearing frame platform 1 and pull base 1101, the carriage body 4 sets up on two pulls the base 1101, thereby can drive the slip of the carriage body 4 through the slip that pulls base 1101, be provided with the fixing base 1104 that supports the carriage body 4 on pulling the base 1101, support the carriage body 4 through fixing base 1104, thereby can be at the in-process of doing the leakproofness experiment, can slide the carriage body 4 to appointed bearing frame platform 1's position through pulling base 1101, carry out the leakproofness experiment.
The automatic sealing mechanism for the vehicle window comprises a first fixing frame 2, a sealing cover 22, a sealing control piece 23 and a second fixing frame 21;
the number of the first fixing frames 2 is two, the first fixing frames 2 are respectively provided with a sliding vertical supporting member 2005, the number of the sealing control members 23 is two, and the sealing control members respectively slide on the vertical supporting members 2005, the sealing control members 23 are provided with a docking module 2305 which slides in a telescopic manner, the docking module 2305 is provided with a swinging block 2308 which swings in a circle, the number of the sealing covers 22 is multiple, the sealing covers 22 are respectively provided with a docking member 2203, the docking member 2203 is respectively provided with a second air bag 2204, the sealing covers 22 are respectively provided with a control module 2206, the sealing covers 22 are respectively provided with a docking groove 2209, the outer rings of the docking grooves 2209 are respectively provided with a second locking groove 2208, after the docking module 2305 is docked in the docking groove 2209, the swinging block 2308 is clamped in the second locking groove 2208, an inflation module 2311 is arranged on the docking module 2305, a first air bag 2201 is arranged on the outer ring of the sealing cover 22, and the inflation module 2311 controls inflation of the first air bag 2201 and the second air bag 2204 after being docked with the control module 2206.
The two first fixing frames 2 are distributed on two sides of the bearing stand 1, the first fixing frames 2 are respectively provided with a sliding vertical support 2005, the sealing control members 23 respectively slide on the vertical support 2005, the sealing control members 23 are respectively provided with a telescopic sliding butt joint module 2305, the butt joint module 2305 is provided with 4 swing blocks 2308 which swing asynchronously, the sealing covers 22 are provided with a plurality of sealing covers 22, the sealing covers 22 are respectively provided with a butt joint member 2203, the butt joint members 2203 are respectively provided with a second air bag 2204, the butt joint members 2203 correspond to window openings of the vehicle, the butt joint members 2203 can be clamped on the window openings after the sealing covers 22 are in butt joint with the window openings, the second air bags 2204 are arranged on outer rings of the butt joint members 2204, the sealing covers 22 are respectively provided with control modules 2206, and the control modules 2206 can control the inflation of the second air bags 2204, the sealing cover 22 is provided with a butt joint groove 2209, the butt joint groove 2209 is arranged in a square shape, the pair of modules 2305 are arranged in a square shape and can be clamped in the butt joint groove 2209, four second locking grooves 2208 are arranged in the butt joint groove 2209, after the butt joint module 2305 is butted in the butt joint groove 2209, the swinging blocks 2308 can be locked in the second locking grooves 2208, so that the sealing cover 22 can be butted on the butt joint module 2305, the sealing cover 22 can be automatically controlled, the butt joint module 2305 is provided with an inflation module 2311, after the butt joint module 2305 is butted in the butt joint groove 2209, the inflation module 2311 and the control module 2206 can be correspondingly butted, compressed air can be conveyed into the control module 2206, the inflation of the second air bag 2204 can be controlled, and the second air bag 2204 is inflated and then is inflated and tightly pressed on the carriage body 1, and then can seal the door window to avoid taking place the problem of gas leakage.
The number of the second fixing frames 21 is two, a plurality of fixing grooves 2107 are formed in the second fixing frames 21, two clamping brackets 2108 which swing synchronously are arranged in the fixing grooves 2107 respectively, a locking head 2110 is arranged on each clamping bracket 2108 respectively, after the sealing covers 22 are clamped in the fixing grooves 2107 respectively, a first locking groove 2207 is arranged on each of two sides of each sealing cover 22 respectively, each locking head 2110 is clamped in the first locking groove 2207, a first jacking rod 2101 which slides in a telescopic manner is arranged on each second fixing frame 21, and the first jacking rod 2101 controls the swinging of each clamping bracket 2108;
a jacking shaft 2006 capable of sliding in a telescopic manner is arranged on the vertical support 2005, and the jacking shaft 2006 controls the first jacking rod 2101 to slide.
The second fixing frame 21 is provided with two second fixing frames 21 which are respectively and fixedly connected to the bearing stand 1, the second fixing frame 21 is provided with grooves arranged side by side, the sealing covers 22 are respectively fixed in clamping grooves, so that the sealing covers 22 can be fixed, the second fixing frame 21 is respectively provided with fixing grooves 2107 which are correspondingly communicated with the grooves, the fixing grooves 2107 are respectively provided with two clamping supports 2108 which synchronously swing, the end parts of the clamping supports 2108 are respectively provided with a locking head 2110, two sides of each sealing cover 22 are respectively provided with a first locking groove 2207, after the sealing covers 22 are clamped in the grooves, the locking heads 2110 swing through the swinging of the locking heads 2110 of the two clamping supports 2108 and are controlled through the locking heads 2110 to be locked in the first locking grooves 2207, so that the sealing covers 22 can be supported and fixed, the second fixing frame 21 is provided with a first jacking rod 2101 which can slide telescopically, the number of the first jacking rods 2101 is multiple, the positions of the first jacking rods 2101 correspond to the positions of the fixing grooves 2107, the first jacking rods 2101 can control the swing of the clamping supports 2108 after sliding telescopically, so that the fixing of the sealing cover 22 is supported and fixed, the jacking shafts 2006 capable of sliding telescopically are arranged on the vertical supporting pieces 2005, the sealing cover 22 can be further controlled by the sliding of the jacking shafts 2006 after sliding to a specified position through the vertical supporting pieces 2005, and the control method greatly improves the control effect of the sealing cover 22
The lifting control piece 3 is provided with two, and sets up respectively the both ends of bearing pallet 1, be provided with a flexible gliding lifting axle 3005 on the bearing pallet 1 respectively, be provided with a rotary control piece 3006 on the lifting axle 3005 respectively, be provided with a pivoted sealing door panel 3007 on the rotary control piece 3006 respectively, be provided with an end door sealing member 3008 on the sealing door panel 3007 respectively, end door sealing member 3008 joint respectively is in on the end gate 4002.
The lifting control pieces 3 are arranged at two ends of the bearing frame 1 respectively, the lifting control pieces 3 are provided with lifting shafts 3005 which can slide in a telescopic mode respectively, the end portions of the lifting shafts 3005 are provided with rotating control pieces 3006 respectively, the rotating control pieces 3006 are provided with rotating sealing door plates 3007 respectively, and after the sealing door plates 3007 are butted on the end door opening 4002 through the rotating control pieces 3006, the end door opening 4002 can be controlled in a sealing mode.
The butting pieces 2203 are respectively butted on the car windows 4001, the first air bag 2201 and the second air bag 2204 are respectively pressed on the car body 4 after being inflated, and the first fixing frame 2 and the second fixing frame 21 are respectively and fixedly connected to two sides of the bearing stand 1.
The foam spraying mechanism comprises a jacking support part 12, a sliding module 1202 and a spraying frame 1205;
Aerify the back through first gasbag 2201 and second gasbag 2204, can compress tightly on the carriage body 4, thereby can dock and seal, top pressure support 12 is provided with at the top of bearing pallet 1, be provided with gliding slip module 1202 on top pressure support 12, both sides at slip module 1202 are provided with one respectively and spray the frame 1205, can spray the foam through spraying the frame 1205, and then can spray the foam to the whole carriage body, great improvement sprays efficiency, the joint of sealing door panel 3007 is behind the both ends of the carriage body 4, can rotate the back through rotatory control 3006 control sealing door panel 3007, can make the carriage body 4 rotatory, and then can carry out holistic foam to the carriage body 4 and spray, great improvement the carriage sprays efficiency, and then improved the efficiency that detects the carriage body 4.
As shown in fig. 1, a groove is formed in the bottom of the bearing stand 1, a plurality of hydraulic devices 1105 are arranged in the groove, a lifting base 11 is arranged on the hydraulic devices 1105, and a rotating roller 1103 is arranged at the bottom of the traction base 1101, and the roller 1103 rotates on a track 1102.
The lifting of the lifting base 11 can be controlled through the hydraulic device 1105, and then the lifting of the traction base 1101 can be controlled, so that the compartment body 4 can be in a suspended state, the spraying of foam water on the whole compartment body 4 is facilitated, the sliding of the traction base 1101 can be controlled through the rollers 1103, the sliding of the compartment body 4 can be controlled, and the experimental control can be performed on the sealing performance of the compartment body 4.
As shown in fig. 2 and 3, a first sliding groove 2001 is respectively disposed on the first fixing frame 2, a first sliding seat 2002 that slides is respectively disposed in the first sliding groove 2001, a first rotating driving wheel 2003 is respectively disposed at two ends of the first sliding seat 2002, a first motor 2004 that drives the first driving wheel 2003 to rotate is disposed in the first sliding seat 2002, the vertical supporting member 2005 is connected to the first sliding seat 2002, a supporting sliding hole 2301 corresponding to the vertical supporting member 2005 is disposed on the sealing control member 23, a first motor-driven gear is respectively disposed on two sides of the supporting sliding hole 2301, and tooth grooves 2302 that are correspondingly engaged with the first gear 2302 are respectively disposed on two sides of the vertical supporting member 2005;
a second threaded rod 2304 driven by a third motor 2303 is arranged on the sealing control member 23, and a threaded hole 2306 correspondingly engaged and connected with the second threaded rod 2304 is arranged on the butt joint module 2305.
A first sliding groove 2001 is respectively arranged on the first fixing frame 2, a first sliding seat 2002 which slides is respectively arranged in the first sliding groove 2001, the first driving wheel 2003 is driven to rotate by a first motor 2004 and then the first sliding seat 2002 can be driven to slide, the vertical supporting piece 2005 is connected to the first sliding seat 2002 and can drive the vertical supporting piece 2005 to slide by the sliding of the first sliding seat 2002, a supporting sliding hole 2301 corresponding to the vertical supporting piece 2005 is arranged on the sealing control piece 23, the sealing control piece 23 can slide on the vertical supporting piece 2005 by the supporting sliding hole 2301, two first gears 2302 which rotate in the supporting sliding holes 2301 are arranged in the sealing control piece 23, the first gears 2302 are driven to rotate by the motor, and tooth grooves which are correspondingly engaged with the first gears 2302 are respectively arranged at two sides of the vertical supporting piece 2005, and then can drive the rising and falling of sealed control piece 23 through the rotation of first gear 2302, be provided with a second threaded rod 2304 of third motor 2303 driven on sealed control key 23, be provided with one on butt joint module 2305 with the corresponding screw hole 2306 that meshes the connection of second threaded rod 2304 to can control the flexible slip of butt joint module 2305, thereby can control sealed lid 22 through butt joint module 2305.
As shown in fig. 3 and 5, a rotating toothed ring 2307 is disposed in the docking module 2305, the rotating toothed ring 2307 is disposed in a circular ring shape, the swinging blocks 2308 are disposed in plural, each swinging block 2308 is provided with a tooth slot correspondingly engaged with the rotating toothed ring 2307, a second gear 2309 driven by a fourth motor 2310 is disposed in the docking module 2305, and the second gear 2309 is correspondingly engaged with the rotating toothed ring 2307.
The fourth motor 2310 drives the second gear 2309 to rotate, the second gear 2309 is correspondingly meshed with tooth grooves in the rotating toothed ring 2307, the rotating toothed ring 2307 is arranged in a circular ring shape, toothed tooth grooves in a saw-toothed shape are respectively arranged on an inner ring and an outer ring of the rotating toothed ring 2307, and tooth grooves correspondingly meshed with the rotating toothed ring 2307 are respectively arranged at the end parts of the swinging blocks 2308, so that swinging of the swinging blocks 2308 can be controlled through rotation of the rotating toothed ring 2307, and the butt-joint module 2305 can be locked on the sealing cover 22 through the swinging blocks 2308, and the sealing cover 22 is controlled.
As shown in fig. 3 and 4, a first air tube 2202 is connected to the first air bag 2201, a second air tube 2205 is connected to the second air bag 2204, a sealing slide chamber 2215 is arranged in the control module 2206, a second air hole 2214 correspondingly communicated with the sealing slide chamber 2215 is arranged at one end of the control module 2206, the first air tube 2202 and the second air tube 2206 are respectively connected to the second air hole 2214, an abutting hole 2212 correspondingly communicated with the sealing slide chamber 2215 is arranged at the other end of the control module 2206, a sliding sealing slider 2213 is arranged in the sealing slide chamber 2215, the sealing slider 2213 is T-shaped, a first air hole 2210 is arranged in the sealing slider 2213, a third spring 2211 for elastically pressing the sealing slider 2313 to slide is arranged in the sealing slide chamber 2215, an inflation head 2 is arranged at the end of the inflation module 2311, the inflation head 2312 is provided with a third air hole 2314, a third air pipe 2313 correspondingly communicated with the third air hole 2314 is arranged in the inflation head 2312, the inflation head 2312 abuts against the sealing slide block 2213 to slide after penetrating through the abutting hole 2212, and the third air hole 2314 exhausts air to the sealing slide cavity 2215.
After docking module 2305 is docked within docking slot 2209, inflation module 2311 is coupled to control module 2206, after the inflation head 2312 passes through the abutting hole 2212, the inflation head 2312 pushes the sealing slide block 2213 to slide, further, the inflation head 2312 can be pressed against the inside of the sealed sliding cavity 2215, compressed air is conveyed into the third air hole 2314 through the third air pipe 2313 and conveyed into the sealed sliding cavity 2215 through the third air hole 2314, and can be delivered into the second gas bore 2214 through the first gas bore 2210, so that compressed air can be introduced into the first and second air pipes 2202 and 2206, further controlling the inflation and deflation of the first and second air bags 2201, 2204, the third spring 2211 presses the sealing slider 2213 to slide, the sealing slider 2213 can be reset, so that the sealing cover 22 can be automatically controlled, and the mounting efficiency is greatly improved.
As shown in fig. 2, 3 and 6, a rotating shaft for supporting the latch bracket 2108 to swing is provided in the fixing slot 2107, a second pressing rod 2102 which swings is arranged in the second fixing frame 21, a supporting rotating shaft 2111 which supports the second pressing rod 2102 to swing is arranged in the second fixing frame 21, the first pressing bar 2101 is connected to one end of the second pressing bar 2102, the other end of the second pressing bar 2102 is connected to a third pressing bar 2103, the end of the third pressing rod 2103 is provided with a pressing head 2104 which swings in the fixing groove 2107, the jacking head 2104 is provided with a conical jacking groove 2105, the end of the clamping bracket 2108 swings in the jacking groove 2105, the two clamping brackets 2108 are connected in a tensioned manner through a second spring 2109, a first spring 2106 for elastically pressing the second top pressure rod 2102 to swing is arranged in the second fixed frame 21;
a sliding jacking shaft 2006 is arranged at the end of the vertical support 2005, a first threaded rod 2008 driven by a second motor 2007 is arranged in the vertical support 2005, a threaded hole correspondingly meshed and connected with the first threaded rod 2008 is formed in the jacking shaft 2006, and the jacking shaft 2006 jacks the first jacking rod 2101 to slide.
The swinging of the second top pressure rod 2102 can be supported through the supporting rotating shaft 2111, after the second top pressure rod 2102 is pressed through the first spring 2106, the first top pressure rod 2101 can extend out of the second fixed frame 21, after the first top pressure rod 2101 is pressed through top pressure, the second top pressure rod 2102 can be swung through top pressure, and then the third top pressure rod 2103 is driven to telescopically slide, so that the telescopic sliding of the top pressure head 2104 can be controlled, a top pressure groove 2105 which is arranged in a conical shape is arranged on the top pressure head 2104, a rotating shaft which supports the swinging of the clamping bracket 2108 is arranged in the fixed groove 2107, the end parts of the clamping bracket 2108 respectively slide in the top pressure groove 2105, after the top pressure head 2104 upwards slides, the clamping bracket 2108 can be pressed through the top pressure groove 2105 to swing, so that the locking head can be separated from the first locking groove 2207, so that the sealing cover 22 can be taken down from the second fixed frame 21, in the process of installing the sealing cover 22, after the sealing cover 22 is clamped on the two locking heads 2110, the pressing locking heads 2110 can swing, so that the locking heads 2110 can be clamped in the first locking grooves 2207, the two clamping brackets 2108 are tensioned by the second spring 2109 to swing, a sliding pressing shaft 2006 is arranged at the bottom of the vertical support 2005, the pressing shaft 2006 is arranged in a square shape, the first threaded rod 2008 is driven to rotate by the second motor 2007, a threaded hole correspondingly meshed and connected with the first threaded rod 2008 is formed in the pressing shaft 2006, telescopic sliding of the pressing shaft 2006 can be controlled, and after the vertical support 2005 slides to a specified position, the pressing shaft 2006 presses the first pressing rod 2101 to slide, so that fixing of the sealing cover 22 can be controlled.
As shown in fig. 1, 7, 8 and 9, a second sliding slot 3001 is provided on the lifting control member 3, a sliding control member 3002 is provided in the second sliding slot 3001, the two ends of the sliding control member 3002 are respectively provided with a third rotating gear 3003, the bottom of the second sliding slot 3001 is provided with a tooth space engaged with the third gear 3003 correspondingly, and a fifth motor 3004 for driving the third gear 3003 to rotate is provided in the sliding control member 3002.
A rotary lifting control turntable 3014 is arranged in the sliding control piece 3002, a threaded hole is arranged on the lifting control turntable 3014, threads which are correspondingly engaged and connected with the threaded hole are arranged on the outer ring of the lifting shaft 3005, a meshing fluted disc 3015 is arranged on the outer ring of the lifting control turntable 3014, a sixth gear 3016 driven by a seventh motor 3107 is arranged in the sliding control piece 3002, and the sixth gear 3016 is correspondingly engaged and connected with the meshing fluted disc 3015;
a fifth gear 3012 driven by a sixth motor 3013 is arranged in the rotary control member 3006, a fourth gear 3011 rotating in the rotary control member 3006 is arranged on the sealing door panel 3007, the fourth gear 3011 is correspondingly engaged with the fifth gear 3012, a third air bag 3009 is arranged on the end door sealing member 3008, and a fourth air tube 3010 is connected to the third air bag 3009.
The third gear 3003 is driven by the rotation of the fifth motor 3004, a tooth space correspondingly engaged with the third gear 3003 is arranged at the bottom of the second chute 3001, so as to control the sliding of the sliding control member 3002, and thus the sliding of the lifting shaft 3005 can be driven, so as to adjust the position of the sliding control member 3002, the sixth gear 3016 is driven by the seventh motor 3017 to rotate, so as to drive the lifting control dial 3014 to rotate, a threaded hole is arranged on the lifting control dial 3014, a threaded hole correspondingly engaged with the threaded hole is arranged on the outer ring of the lifting shaft 3005, so as to control the lifting of the lifting shaft 3005, and further drive the lifting of the rotating control member 3006, a rotating sealing door plate 3007 is arranged on the rotating control member 3006, and an end door sealing member 3008 is arranged on the sealing door plate 3007, so as to clamp the end door sealing member 3008 on the end door 4002, the third air bag 3009 can be expanded after being inflated through the fourth air pipe 3010, so that the third air bag 3009 can be pressed on the carriage body 4, thereby sealing the end doors at two ends of the carriage body 4, and simultaneously sealing the window opening, so that a sealed space can be arranged in the carriage body 4, after the carriage body 4 is inflated, air can leak from the air leakage hole of the carriage body 4 after the carriage body 4 is inflated, after foam water is sprayed on the carriage body 4, the air leakage position can bubble, so as to achieve the purpose of detecting a leakage point, the efficiency of detecting air leakage of the carriage body 4 is greatly improved, wherein the fifth gear 3012 is driven to rotate by the sixth motor 3013, the fifth gear 3012 and the fourth gear 3011 are correspondingly meshed and connected, so as to drive the rotation of the sealing door panel 3007, and after the sealing door panels at two ends rotate simultaneously, the motor car can further bring the rotation of the carriage body 4, thereby can spray the foam water to the whole carriage body 4, great improvement to the detection efficiency of the carriage body.
As shown in fig. 2, a supporting chute 1201 is disposed on the top supporting member 12, a driving gear 1203 driven by the driving motor 1204 is disposed in the sliding module 1202, tooth slots correspondingly engaged with the driving gear 1203 are disposed in the supporting chute 1201, and a spraying hole is disposed on the spraying frame 1205.
The length of top support piece 12 is the same with the length of carriage body 4, through driving motor 1204 drive gear 1203 rotates, drive gear 1203 with the corresponding meshing connection of the tooth's socket that supports the spout 1201 top and establish, and then can control the slip of slip module 1202 to can drive the slip that sprays the frame 1205, can spray the foam through spraying the frame 1205 to whole carriage body 4, great improvement carriage body 4's detection efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a EMUs leakproofness testing platform, including the carriage body (4) the both sides of the carriage body (4) are provided with car window (4001), the both ends of the carriage body (4) are provided with one respectively and hold gate (4002), its characterized in that: the automatic sealing device comprises a bearing stand (1), an automatic vehicle window sealing mechanism, an end door sealing mechanism and a foam spraying mechanism;
the bottom of the bearing stand (1) is provided with a lifting base (11) which can slide up and down, two rails (1102) are arranged on the lifting base (11), two sliding traction bases (1101) are arranged on the rails (1102), and the carriage body (1) is arranged on the two traction bases (1101);
the automatic sealing mechanism for the car window comprises a first fixing frame (2), a sealing cover (22), a sealing control piece (23) and a second fixing frame (21);
the two first fixing frames (2) are arranged, the first fixing frames (2) are respectively provided with a sliding vertical supporting piece (2005), the two sealing control pieces (23) are arranged and respectively slide on the vertical supporting pieces (2005), the sealing control pieces (23) are provided with a telescopic sliding butt joint module (2305), the butt joint module (2305) is provided with a circle of swinging blocks (2308), the sealing covers (22) are provided with a plurality of sealing covers, the sealing covers (22) are respectively provided with a butt joint piece (2203), the butt joint pieces (2203) are respectively provided with a second air bag (2204), the sealing covers (22) are respectively provided with a control module (2206), the sealing covers (22) are respectively provided with a butt joint groove (2209), the outer rings of the butt joint grooves (2209) are respectively provided with a second locking groove (2208), after the butt joint module (2305) is butted in the butt joint groove (2209), the swinging block (2308) is clamped in the second locking groove (2208), an inflation module (2311) is arranged on the butt joint module (2305), a first air bag (2201) is arranged on the outer ring of the sealing cover (22), and after the inflation module (2311) is butted with the control module (2206), the inflation of the first air bag (2201) and the second air bag (2204) is controlled;
the two second fixing frames (21) are provided, a plurality of fixing grooves (2107) are formed in the second fixing frames (21), two clamping brackets (2108) which swing synchronously are arranged in the fixing grooves (2107), a locking head (2110) is arranged on each clamping bracket (2108), after the sealing covers (22) are clamped in the fixing grooves (2107), first locking grooves (2207) are formed in two sides of each sealing cover (22), the locking heads (2110) are clamped in the first locking grooves (2207), first jacking rods (2101) which slide in a telescopic mode are arranged on the second fixing frames (21), and the first jacking rods (2101) control the swinging of the clamping brackets (2108);
a jacking shaft (2006) which can stretch and slide is arranged on the vertical supporting piece (2005), and the jacking shaft (2006) controls the first jacking rod (2101) to slide;
the lifting control pieces (3) are arranged at two ends of the bearing frame (1) respectively, a lifting shaft (3005) capable of sliding in a telescopic mode is arranged on the bearing frame (1) respectively, a rotary control piece (3006) is arranged on each lifting shaft (3005), a rotary sealing door panel (3007) is arranged on each rotary control piece (3006), an end door sealing piece (3008) is arranged on each sealing door panel (3007), and the end door sealing pieces (3008) are clamped on the end door openings (4002) respectively;
the butting pieces (2203) are butted on the car window openings (4001) respectively, the first air bag (2201) and the second air bag (2204) are compressed on the car body (4) respectively after being inflated, and the first fixing frame (2) and the second fixing frame (21) are fixedly connected to two sides of the bearing stand platform (1) respectively;
the foam spraying mechanism comprises a jacking support piece (12), a sliding module (1202) and a spraying frame (1205);
top support frame (12) set up the top of bearing pallet (1), slide module (1202) are in slide on top support frame (12), it is provided with two to spray frame (1205), and sets up respectively the both sides of sliding block (1202).
2. The motor train unit tightness detection platform according to claim 1, characterized in that: the bottom of the bearing stand (1) is provided with a groove, a plurality of hydraulic devices (1105) are arranged in the groove, the lifting base (11) is arranged on the hydraulic devices (1105), the bottom of the traction base (1101) is provided with rotating rollers (1103), and the rollers (1103) rotate on the track (1102).
3. The motor train unit tightness detection platform according to claim 1, characterized in that: the first fixing frames (2) are respectively provided with a first sliding groove (2001), a sliding first sliding seat (2002) is respectively arranged in the first sliding grooves (2001), two ends of the first sliding seat (2002) are respectively provided with a first rotating driving wheel (2003), a first motor (2004) for driving the first driving wheel (2003) to rotate is arranged in the first sliding seat (2002), the vertical support (2005) is connected to the first sliding seat (2002), the sealing control member (23) is provided with a supporting sliding hole (2301) corresponding to the vertical supporting member (2005), two sides of the supporting sliding hole (2301) are respectively provided with a first gear (2302) driven by a motor, tooth grooves which are correspondingly meshed and connected with the first gear (2302) are respectively arranged on two sides of the vertical supporting piece (2005);
the sealing control piece (23) is provided with a second threaded rod (2304) driven by a third motor (2303), and the butt joint module (2305) is provided with a threaded hole (2306) correspondingly meshed and connected with the second threaded rod (2304).
4. The motor train unit tightness detection platform according to claim 1, characterized in that: a rotating toothed ring (2307) is arranged in the butt joint module (2305), the rotating toothed ring (2307) is arranged in a circular ring shape, the swinging blocks (2308) are arranged in a plurality of numbers, tooth grooves which are correspondingly meshed and connected with the rotating toothed ring (2307) are respectively arranged on the swinging blocks (2308), a second gear (2309) driven by a fourth motor (2310) is arranged in the butt joint module (2305), and the second gear (2309) is correspondingly meshed and connected with the rotating toothed ring (2307).
5. The motor train unit tightness detection platform according to claim 1, characterized in that: the first air bag (2201) is connected with a first air pipe (2202), the second air bag (2204) is connected with a second air pipe (2205), the control module (2206) is internally provided with a sealing sliding cavity (2215), one end of the control module (2206) is provided with a second air hole (2214) correspondingly communicated with the sealing sliding cavity (2215), the first air pipe (2202) and the second air pipe (2206) are respectively connected with the second air hole (2214), the other end of the control module (2206) is provided with a butt joint hole (2212) correspondingly communicated with the sealing sliding cavity (2215), the sealing sliding cavity (2215) is internally provided with a sliding sealing slide block (2213), the sealing slide block (2213) is arranged in a T shape, the sealing slide block (3) is provided with a first air hole (2213), and the sealing sliding cavity (2215) is internally provided with a third spring (2211) for pressing the sealing slide block 2213 to slide, an inflation head (2312) is arranged at the end part of the inflation module (2311), a third air hole (2314) is formed in the inflation head (2312), a third air pipe (2313) correspondingly communicated with the third air hole (2314) is arranged in the inflation head (2312), the inflation head (2312) is butted with and penetrates through the butt-joint hole (2212) and then pushes against the sealing slide block (2213) to slide, and the third air hole (2314) exhausts to the sealing slide cavity (2215).
6. The motor train unit tightness detection platform according to claim 1, characterized in that: a rotating shaft for supporting the swing of the clamping support (2108) is arranged in the fixing groove (2107), a second swing top pressure rod (2102) is arranged in the second fixing frame (21), a supporting rotating shaft (2111) for supporting the swing of the second top pressure rod (2102) is arranged in the second fixing frame (21), the first top pressure rod (2101) is connected with one end of the second top pressure rod (2102), the other end of the second top pressure rod (2102) is connected with a third top pressure rod (2103), a top pressure head (2104) swinging in the fixing groove (2107) is arranged at the end part of the third top pressure rod (2103), a top pressure groove (2105) which is arranged in a conical shape is arranged on the top pressure head (2104), the end part of the clamping support (2108) swings in the top pressure groove (2105), and the two clamping supports (2108) are connected in a tensioning mode through a second spring (2109), a first spring (2106) for elastically pressing the second top pressure rod (2102) to swing is arranged in the second fixed frame (21);
the end part of the vertical supporting piece (2005) is provided with a sliding jacking shaft (2006), a first threaded rod (2008) driven by a second motor (2007) is arranged in the vertical supporting piece (2005), a threaded hole correspondingly meshed and connected with the first threaded rod (2008) is formed in the jacking shaft (2006), and the jacking shaft (2006) jacks the first jacking rod (2101) to slide.
7. The motor train unit tightness detection platform according to claim 1, characterized in that: a second sliding groove (3001) is formed in the lifting control piece (3), a sliding control piece (3002) is arranged in the second sliding groove (3001), rotating third gears (3003) are arranged at two ends of the sliding control piece (3002) respectively, tooth grooves which are correspondingly meshed and connected with the third gears (3003) are formed in the bottom of the second sliding groove (3001), and a fifth motor (3004) which drives the third gears (3003) to rotate is arranged in the sliding control piece (3002);
a rotating lifting control turntable (3014) is arranged in the sliding control piece (3002), a threaded hole is formed in the lifting control turntable (3014), threads which are correspondingly meshed and connected with the threaded hole are arranged on the outer ring of the lifting shaft (3005), a meshing fluted disc (3015) is arranged on the outer ring of the lifting control turntable (3014), a sixth gear (3016) driven by a seventh motor (3107) is arranged in the sliding control piece (3002), and the sixth gear (3016) is correspondingly meshed and connected with the meshing fluted disc (3015);
be provided with a sixth motor (3013) driven fifth gear (3012) in rotary control spare (3006), be provided with one on sealed door plant (3007) fourth gear (3011) of rotary control spare (3006) internal rotation, fourth gear (3011) with fifth gear (3012) correspond the meshing and connect, be provided with a third gasbag (3009) on end door sealing member (3008), be connected with a fourth trachea (3010) on third gasbag (3009).
8. The motor train unit tightness detection platform according to claim 1, characterized in that: the top support piece (12) is provided with a supporting sliding groove (1201), the sliding module (1202) is internally provided with a driving gear (1203) driven by a driving motor (1204), the supporting sliding groove (1201) is internally provided with tooth grooves correspondingly meshed and connected with the driving gear (1203), and the spraying frame (1205) is provided with spraying holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512370.5A CN112504571A (en) | 2020-12-20 | 2020-12-20 | Motor train unit sealing performance detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512370.5A CN112504571A (en) | 2020-12-20 | 2020-12-20 | Motor train unit sealing performance detection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112504571A true CN112504571A (en) | 2021-03-16 |
Family
ID=74921814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011512370.5A Withdrawn CN112504571A (en) | 2020-12-20 | 2020-12-20 | Motor train unit sealing performance detection platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112504571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295333A (en) * | 2021-05-12 | 2021-08-24 | 张伟峰 | New energy automobile honeycomb chassis detects strutting arrangement and detecting system thereof |
-
2020
- 2020-12-20 CN CN202011512370.5A patent/CN112504571A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295333A (en) * | 2021-05-12 | 2021-08-24 | 张伟峰 | New energy automobile honeycomb chassis detects strutting arrangement and detecting system thereof |
| CN113295333B (en) * | 2021-05-12 | 2024-01-30 | 广东宇豪新材料科技有限公司 | New energy automobile honeycomb chassis detects strutting arrangement and detecting system thereof |
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Application publication date: 20210316 |
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| WW01 | Invention patent application withdrawn after publication |