Electric vehicle frame rust-proof treatment equipment and process
Technical Field
The invention relates to the technical field of frame processing, in particular to an electric vehicle frame rust-proof treatment device and an electric vehicle frame rust-proof treatment process.
Background
The electric vehicle frame is a main structural frame of the electric vehicle, supports the weight of the vehicle and bears batteries, motors, wheels and other parts, the frame plays a key role in the design of the electric vehicle, the whole structure and the shape of the vehicle are determined, the stability, the strength and the control performance of the vehicle are also influenced, in order to use the electric vehicle frame in the existing life, the electric vehicle frame needs to be subjected to rust prevention treatment through rust prevention treatment equipment in the production process of the electric vehicle frame, rust removal treatment of the frame is realized by spraying rust prevention liquid and machine spraying rust prevention liquid manually in the existing life, and the condition that the electric vehicle frame cannot be used due to damage caused by long-time exposure of the electric vehicle frame due to corrosion of external environment is avoided.
Although the rust-proof treatment equipment in the current market meets the use requirements of users to a certain extent, certain defects still exist in the use process, and the concrete problems are that the rust-proof liquid is easy to solidify after long-time storage, so that the service life of the rust-proof liquid is reduced, the use effect of the rust-proof liquid is influenced, the protection effect of the rust-proof liquid on an electric vehicle frame is further reduced, in the rust-proof process of the frame, the dropped rust-proof liquid is easy to solidify, and the problem of inconvenience in personnel treatment is caused.
Disclosure of Invention
The invention provides an electric vehicle frame rust-proof treatment device and a process, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the anti-rust treatment equipment and the anti-rust treatment process for the electric vehicle frame comprise a fixed groove, wherein an anti-solidification protection assembly is fixedly arranged on the inner side of the fixed groove, and comprises a spray pipe rack, a driven stirring rod, a driving stirring rod, a gear transmission structure, a reciprocating screw rod, a reciprocating structure, a transmission rod and a push plate, wherein the driving stirring rod, the gear transmission structure and the reciprocating screw rod are used for driving the spray pipe rack and the driven stirring rod;
the multi-azimuth transport assembly is fixedly arranged outside the fixed groove and comprises a fixed frame, a fixed frame for adjusting the position of the fixed frame, an electric winding roller, a pull rope, an adjusting block for hanging the frame of the electric vehicle and a hook;
the multi-directional drying assembly comprises an electric heating box, a fan and a hose which are used for gas diversion, a first spring telescopic column, a second spring telescopic column, a fixing rod and a cleaning roller which are used for blocking prevention.
Preferably, the gear transmission structure is formed by a plurality of bevel gears meshed with each other, the driven stirring rod and the reciprocating screw rod are in transmission connection with the driving stirring rod through the gear transmission structure, and the reciprocating structure is formed by three turntables and two connecting shafts.
Preferably, two the reciprocating screw rod outside is the screw thread and is cup jointed the spouting frame altogether, fixed slot one side bottom is installed driving motor and the transmission shaft of driving initiative stirring rod.
Preferably, the outside of the connecting shaft is rotationally connected with the inside of the transmission rod, one end part of the transmission rod is rotationally connected with the push plate, and the bottom of the inside of the fixed slot is fixedly provided with a guide plate corresponding to the position above the push plate.
Preferably, the fixed slot outside bottom fixed mounting has rotation motor, worm and the turbine that is used for driving the mount function, electronic wind-up roll fixed mounting is in the mount top, and the stay cord tip and the fixed frame fixed connection of electric wind-up roll outside winding connection.
Preferably, the regulating block is movably connected to the inner side of the fixed frame, and the bottom end of the regulating block is clamped to the inner side of the fixed frame through the positioning column.
Preferably, one end of each worm is in transmission connection through a belt transmission structure, the belt transmission structure consists of two transmission wheels and a transmission belt, and one side of each turbine is fixedly connected with a fixing frame.
Preferably, a connecting frame with an adjusting function, a double-shaft motor, a threaded rod, an adjusting rod, a connecting rod and a fixing plate are arranged on one side of the fixing frame.
Preferably, one end of the fixing rod is fixedly connected with the cleaning roller through a second spring telescopic column, one end of the first spring telescopic column is fixedly provided with a limiting frame, and the hose is slidably connected to the inner side of the limiting frame.
A process of an electric vehicle frame rust-proof treatment device comprises the following steps of S1: the electric vehicle frame after rust removal is placed on the surface of the supporting table by a worker, the rotating motor and the electric winding roller are driven to move the position of the fixed frame, and meanwhile, the position of the regulating block movably connected with the inner side of the fixed frame is adjusted and fixed according to the requirement, so that the hanging hook can suspend the placed electric vehicle frame;
s2: through driving the rotating motor and the electric wind-up roll, the suspended electric vehicle frame can enter the inner side of one notch of the fixed groove, so that the antirust liquid stored in the inner side of the fixed groove can soak the electric vehicle frame, then, a worker can enter the electric vehicle frame into the inner side of the other notch of the fixed groove, and the spraying treatment of the protective liquid can be carried out on the surface, to which the antirust liquid is attached, of the electric vehicle frame through the movement of the spraying pipe rack;
s3: the position of the suspended electric vehicle frame is adjusted according to the requirement, and the angle of the end part of the hose is adjusted in the moving process of the electric vehicle frame, so that the anti-rust liquid and the protective liquid attached to the electric vehicle frame can be dried.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. through the rotation and transmission actions of the driving stirring rod and the driven stirring rod, the antirust liquid stored in the fixed groove can be uniformly stirred to prevent the antirust liquid from solidifying, the electric vehicle frame is effectively soaked, and the electric vehicle frame is soaked in the fixed groove, so that the antirust liquid can fully contact and cover the whole surface of the frame, the whole coverage of antirust treatment is realized, the antirust liquid is more fully attached to the electric vehicle frame, and the phenomenon of dead angles is avoided;
through the spray pipe rack and the atomizing nozzle, the protection liquid extracted from the storage box can be uniformly sprayed on the surface of the frame to form a uniform and continuous protection layer, and finally, through the design of the push plate and the guide plate, the redundant protection liquid can be effectively discharged out of the fixing groove, so that the phenomenon that the later period is difficult to clean due to solidification caused by liquid retention is avoided;
and then through single drive structure, can realize the anti-solidification process of rust-resistant liquid, also can realize the spraying process of all-round protection liquid to the electric motor car frame to and can carry out the row material to unnecessary protection liquid and handle, thereby optimized the spraying process of rust-resistant treatment facility.
2. The electric vehicle frame is provided with components such as a rotating motor, a worm, a belt transmission structure, a turbine, a fixing frame, an electric wind-up roll, a pull rope, a fixing frame, an adjusting block, a hook and a supporting table, and the like, are mutually connected to form a complete transportation system, so that the electric vehicle frame can be transported in a convenient and efficient mode, accurate positioning, height adjustment and hanging transportation of the electric vehicle frame can be realized, safety and stability in the transportation process are ensured, meanwhile, the electric vehicle frames with different specifications can be hung according to the requirements, in the hanging process, the gravity center position of the electric vehicle frame can be adjusted according to the rust-proof treatment condition of the electric vehicle frame, and the stability of the electric vehicle frame during transportation can be further improved, so that the transportation process of rust-proof treatment equipment is optimized.
3. Be provided with fan, electric heating case and hose, the heating gas in the electric heating case can flow through the hose, the steam flows the in-process and can fully contact electric motor car frame surface, with the quick evaporation of adnexed antirust fluid and protection liquid, realize quick drying, through the rotation of biax motor and threaded rod, can remove the position of adjusting the pole, and then adjust the angle of fixed plate and hose, can ensure the water conservancy diversion direction and the angle of hot air and the inseparable fit of shape of electric motor car frame like this, realize more accurate drying effect, simultaneously, the rotation of turbine can make the dead lever rotate along with it, and then carry out position adjustment to the limit frame through the elastic action of spring telescopic column, in order to inject the position of hose, avoid rocking of hose and influence the later stage use of turbine, and the rotation of turbine can also make the position of cleaning roller take place to remove, contact the dust screen of cleaning roller outside and fan one end, can in time clean the impurity on dust screen surface, avoid impurity to block up the dust screen, keep the normal operating of fan, and then optimized the dustproof stoving process of rust-proof treatment equipment.
To sum up, through diversified transportation subassembly and multidirectional drying assembly cooperation, can carry out cleaning treatment to the dust screen before the electric motor car frame transportation, the phenomenon of jam appears when avoiding the dust screen to use, guaranteed the inboard gas circulation's of electric heating case process, simultaneously, through the multi-direction water conservancy diversion to gas and the position adjustment of electric motor car frame, can make gas and electric motor car frame fully contact to further improved the drying efficiency of antirust fluid and protection fluid.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of the anti-setting protection assembly of the present invention;
FIG. 3 is a schematic view of the mounting structure of the reciprocating structure of the present invention;
FIG. 4 is a schematic view of the mounting structure of the push plate of the present invention;
FIG. 5 is a schematic view of the multi-azimuth transport assembly of the present invention;
FIG. 6 is a schematic view of the mounting structure of the adjustment block of the present invention;
FIG. 7 is a schematic view of the structure of the support table of the present invention;
FIG. 8 is a schematic view of the mounting structure of the connector of the present invention;
FIG. 9 is a schematic view of the structure of the multi-directional dryer assembly of the present invention;
FIG. 10 is a schematic illustration of the rust prevention process of the vehicle frame of the present invention;
reference numerals in the drawings: 1. a fixing groove;
2. an anti-freeze protection assembly; 201. a driving motor; 202. a transmission shaft; 203. a reciprocating structure; 204. an active stirring rod; 205. a gear transmission structure; 206. a reciprocating screw rod; 207. a spray pipe rack; 208. a driven stirring rod; 209. a partition plate; 210. a transmission rod; 211. a push plate; 212. a deflector; 213. a storage box; 214. a pump machine; 215. a connecting pipe;
3. a multi-azimuth transport assembly; 301. a rotating motor; 302. a worm; 303. a belt drive structure; 304. a turbine; 305. a fixing frame; 306. an electric wind-up roll; 307. a pull rope; 308. a fixed frame; 309. an adjusting block; 310. a hook; 311. a support table;
4. a multi-directional drying assembly; 401. an electric heating box; 402. a blower; 403. a hose; 404. a connecting frame; 405. a biaxial motor; 406. a threaded rod; 407. an adjusting rod; 408. a connecting rod; 409. a fixing plate; 4101. a first spring telescoping post; 4102. a second spring telescoping post; 411. a limit frame; 412. a fixed rod; 413. and cleaning the roller.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-9, the invention provides a technical scheme, namely an anti-rust treatment device for an electric vehicle frame, which comprises a fixed groove 1, wherein an anti-solidification protection assembly 2 is fixedly arranged on the inner side of the fixed groove 1, and the anti-solidification protection assembly 2 comprises a driving motor 201, a transmission shaft 202, a reciprocating structure 203, a driving stirring rod 204, a gear transmission structure 205, a reciprocating screw 206, a spray pipe frame 207, a driven stirring rod 208, a partition 209, a transmission rod 210, a push plate 211, a guide plate 212, a storage box 213, a pump 214 and a connecting pipe 215;
the bottom of one side of the fixed slot 1 is fixedly provided with a driving motor 201, the output shaft of the driving motor 201 is fixedly connected with a transmission shaft 202, one end part of the transmission shaft 202 is fixedly connected with a reciprocating structure 203, the reciprocating structure 203 consists of three turntables and two connecting shafts, the outer sides of the connecting shafts are rotationally connected with the inner sides of transmission rods 210, one end part of each transmission rod 210 is rotationally connected with a push plate 211, the middle part of one side of each reciprocating structure 203 is fixedly connected with a driving stirring rod 204, the middle part of the outer sides of each driving stirring rod 204 is fixedly connected with a gear transmission structure 205, the gear transmission structures 205 are mutually meshed by a plurality of bevel gears, the top ends of the two gear transmission structures 205 are fixedly connected with a reciprocating screw rod 206, the outer sides of the two reciprocating screw rods 206 are in threaded connection with a spray pipe frame 207 in a sleeving manner, atomizing spray nozzle is fixedly arranged on the inner sides of the spray pipe frame 207, the middle parts of two sides of one gear transmission structure 205 are fixedly connected with driven stirring rods 208, driven stirring rod 208 and reciprocating screw 206 all are connected with initiative stirring rod 204 transmission through gear drive structure 205, fixed slot 1 inboard bottom corresponds driven stirring rod 208 top position department fixed mounting has baffle 209, reciprocating structure 203 inboard symmetry swing joint has transfer line 210, transfer line 210 one end rotation is connected with push pedal 211, fixed slot 1 inboard bottom corresponds push pedal 211 top position department fixed mounting has guide plate 212, fixed slot 1 both sides bottom all fixed mounting has bin 213, bin 213 one side bottom fixed mounting has pump 214, pump 214 and driving motor 201 input all with external power source's output electric connection, pump 214 water outlet port fixedly connected with connecting pipe 215, connecting pipe 215 sliding connection is inboard in fixed slot 1, connecting pipe 215 one end and spray tube frame 207 fixed connection.
When the anti-rust treatment equipment is used, a worker operates a controller arranged on one side of the fixed tank 1, so that the controller can control the opening and closing of the electrical equipment of the anti-rust treatment equipment, when the electric vehicle frame is transported to the inner side of the fixed tank 1 by the multi-direction transport assembly 3, the electric vehicle frame can firstly enter the inner side of a notch storing anti-rust liquid in the fixed tank 1, at the moment, the maximum distance of movement of the bottom of the electric vehicle frame can be limited through a partition 209 fixedly arranged on the inner side of the fixed tank 1, the bottom of the electric vehicle frame is prevented from being contacted with a driven stirring rod 208, then, the worker starts a driving motor 201, a transmission shaft 202 connected with an output shaft of the driving motor 201 can be rotated, in the rotating process of the transmission shaft 202, the reciprocating structure 203 can be rotated, and then the driving stirring rod 204 fixedly connected with one side of the reciprocating structure 203 can be rotated, in the rotating process of the driving stirring rod 204, the driven stirring rod 208 can be rotated by a gear transmission structure 205, so that the anti-rust liquid stored in the inner side of the fixed tank 1 can be stirred under the rotating action of the driving stirring rod 208, the electric vehicle frame can be soaked in the soaking condition of the anti-rust liquid, and the electric vehicle frame can be prevented from being dried by the electric vehicle frame, and the electric vehicle frame can be continuously soaked in the drying process of the anti-rust treatment assembly 4, and the electric vehicle frame can be dried, and the anti-rust treatment can be finished in the process of the electric vehicle frame through the drying assembly, and the drying process of the electric vehicle frame, and the electric vehicle frame can be continuously in the drying process;
after that, the staff transports the electric vehicle frame to the inside of another notch of fixed slot 1, simultaneously, under the transmission effect of gear drive structure 205, can make two reciprocating screw rods 206 rotate in step, in the rotatory in-process of reciprocating screw rods 206, through reciprocating screw rod 206 outside and spray tube frame 207 threaded connection, and then can reciprocate to spray tube frame 207, in the moving process of spray tube frame 207, the staff starts pump 214, can extract the protection liquid that stores in the storage tank 213, and then can make protection liquid flow into spray tube frame 207 along connecting pipe 215, finally spout from spray tube 207 inboard fixed mounting's atomizer, thereby can carry out inoxidizing coating to the electric vehicle frame, simultaneously, unnecessary protection liquid then drops on the guide plate 212 surface, and then flow into fixed slot 1 inboard bottom along guide plate 212 surface, at this moment, through reciprocating structure 203 rotation, can make transfer rod 210 carry out the reciprocating movement, thereby can promote the protection liquid that the inside bottom of fixed slot 1 was followed by push pedal 211 that the end was rotated and is connected, and then can make protection liquid flow out the fixed slot 1 bottom along the fixed slot 1 bottom that follows through push pedal 211.
The outside of the fixed slot 1 is fixedly provided with a multi-azimuth transportation assembly 3, and the multi-azimuth transportation assembly 3 comprises a rotating motor 301, a worm 302, a belt transmission structure 303, a turbine 304, a fixed frame 305, an electric winding roller 306, a pull rope 307, a fixed frame 308, an adjusting block 309, a hook 310 and a supporting table 311;
the bottom outside the fixed slot 1 is fixedly provided with a rotating motor 301, a worm 302 and a turbine 304 which are used for driving the fixed frame 305 to function, the bottom on one side of the fixed slot 1 is provided with a driving motor 201 and a transmission shaft 202 which are used for driving the driving stirring rod 204, one side of the fixed slot 1 is fixedly provided with the rotating motor 301, the bottoms on two sides of the fixed slot 1 are fixedly provided with the worm 302, an output shaft of the rotating motor 301 is fixedly connected with the worm 302, one end part of the two worms 302 is in transmission connection through a belt transmission structure 303, the belt transmission structure 303 consists of two transmission wheels and one transmission belt, the outer sides of the worm 302 are in meshed connection with the turbine 304, one side of the two turbines 304 is fixedly connected with the fixed frame 305, the inner side of the fixed frame 305 is in rotation connection with the outer side of the fixed slot 1, the inner side of the fixed frame 305 is fixedly provided with an electric winding roller 306, the end part of a pull rope 307 is fixedly connected with a fixed frame 308, the input end of the electric winding motor 301 is electrically connected with the output end of an external power supply, the outer side of the electric winding roller 306 is in winding connection with the pull rope 307, the four end parts of the electric winding 307 are fixedly connected with the fixed frame 308, the inner side of the fixed frame 308 is in sliding connection with an adjusting block 309, the inner side of the two supporting plates 309 are fixedly connected with the inner side of the fixed frame 309, the inner side of the fixed frame is fixedly connected with the fixed frame 309 by two supporting plate 309, the inner side of the fixed support plate is fixedly connected with the fixed support plate 309 by the inner side of the fixed frame, and the fixed support plate, the fixed support plate and fixed support plate.
When the staff needs to transport the electric car frame, the supporting bench 311 can be opened to the staff, can place the processing to the electric car frame after the rust cleaning, simultaneously, start rotation motor 301, can make rotation motor 301 output shaft fixed connection's worm 302 rotate, in the rotatory in-process of worm 302, through belt transmission structure 303 transmission effect, can rotate in step two worm 302, in the rotatory in-process of worm 302, through worm 302 and turbine 304 meshing connection, can rotate the mount 305 of turbine 304 one side fixed connection, thereby can adjust the electric wind-up roll 306 position of mount 305 top fixed mounting, after electric wind-up roll 306 moves suitable position, the staff starts electric wind-up roll 306, can make electric wind-up roll 306 outside winding stay 307 position move, and then can move the fixed frame 308 position of stay cord 307 bottom fixed connection, afterwards, the staff removes regulating block 309, through regulating block 309 swing joint in fixed frame 308 inboard, can adjust regulating block 309, after regulating block 309 moves suitable position, can make electric wind-up roll 306 top fixed connection's mount 306 position, can carry out the position adjustment in the electric car frame 310 through the fixed connection, thereby can be adjusted in the position of electric wind-up roll, and the position of the electric car frame is adjusted.
The multi-directional drying assembly 4 is fixedly arranged at the bottom of the outer side of the fixed groove 1, and the multi-directional drying assembly 4 comprises an electric heating box 401, a fan 402, a hose 403, a connecting frame 404, a double-shaft motor 405, a threaded rod 406, an adjusting rod 407, a connecting rod 408, a fixed plate 409, a first spring telescopic column 4101, a second spring telescopic column 4102, a limiting frame 411, a fixed rod 412 and a cleaning roller 413;
the bottoms of the two sides of the fixed slot 1 are fixedly provided with an electric heating box 401, the middle part of one side of the electric heating box 401 is fixedly provided with a fan 402, the fan 402 and the input end of the electric heating box 401 are electrically connected with the output end of an external power supply, one end part of the fan 402 is fixedly provided with a dust screen, the other side of the electric heating box 401 is fixedly connected with a hose 403, one side of the fixed frame 305 is provided with a connecting frame 404 with an adjusting function, a double-shaft motor 405, a threaded rod 406, an adjusting rod 407, a connecting rod 408 and a fixed plate 409, the middle parts of the two sides of the fixed frame 305 are fixedly provided with the connecting frame 404, the middle part of the top end of the connecting frame 404 is fixedly provided with the double-shaft motor 405, the output shaft of the double-shaft motor 405 is fixedly connected with the threaded rod 406, the threaded rod 406 is fixedly connected with the adjusting rod 407 by threads, the adjusting rod 407 is slidably connected with the surface of the connecting frame 404, the bottom end edge of the adjusting rod 407 is rotationally connected with a connecting rod 408, one end of the connecting rod 408 is rotationally connected with a fixing plate 409, the connecting frame 404 and the connecting rod 408 are rotationally connected with the fixing plate 409, one end of the connecting rod 408 is rotationally connected with the adjusting rod 407, one side of the fixing plate 409 is rotationally connected with the connecting frame 404, one end of the hose 403 is connected with a three-way pipe, the end parts of the three-way pipe are respectively fixedly connected with the two fixing plates 409 and the connecting frame 404, two sides of the fixing frame 305 are fixedly provided with a first spring telescopic column 4101, one end part of the spring telescopic column 410 is fixedly connected with a limiting frame 411, one end part of the first spring telescopic column 4101 is fixedly provided with a limiting frame 411, the hose 403 is slidingly connected with the inner side of the limiting frame 411, one side middle part of the turbine 304 is fixedly provided with a fixing rod 412, one end of the fixing lever 412 is fixedly connected to the cleaning roller 413 through a second spring telescoping column 4102.
When a worker needs to dry the rust-proof liquid and the protective liquid attached to the electric vehicle frame, the fan 402 is started, so that the heated gas inside the electric heating box 401 flows along the inner side of the hose 403, the double-shaft motor 405 is started in the hot gas flowing process, the threaded rod 406 fixedly connected with the output shaft of the double-shaft motor 405 rotates, in the rotating process of the threaded rod 406, the position of the adjusting rod 407 can be moved through the threaded connection between the outer side of the threaded rod 406 and the adjusting rod 407, at the moment, one end of the connecting rod 408 rotationally connected with the bottom end of the adjusting rod 407 is rotationally connected with the fixing plate 409, the edge of the fixing plate 409 is rotationally connected with the connecting frame 404, the angle of the fixing plate 409 can be adjusted and fixed, the angle of one end of the hose 403 fixedly connected with the inner side of the fixing plate 409 can be adjusted, the hot gas is guided through the hose 403, and with the height adjustment of the electric winding roller 306 to the electric vehicle frame, the hot air can be fully contacted with the surface of the electric vehicle frame, so that the anti-rust liquid and the protection liquid attached to the electric vehicle frame can be dried, meanwhile, in the rotating process of the turbine 304, the position of the limiting frame 411 fixedly connected with one end part of the first spring telescopic column 4101 can be adjusted through the elastic action of the first spring telescopic column 4101, the position of the hose 403 slidingly connected with the inner side of the limiting frame 411 can be limited according to the requirement, the phenomenon that the hose 403 is soft and is wound with external objects is avoided, meanwhile, the fixing rod 412 can rotate along with the rotation of the turbine 304 through the fixed connection of one side of the turbine 304, and further, the position of the cleaning roller 413 fixedly connected with one end part of the fixing rod 412 through the second spring telescopic column 4102 can be moved, therefore, the outer side of the cleaning roller 413 is in contact with the dust screen fixedly installed at one end of the fan 402, and impurities attached to the surface of the dust screen can be further cleaned, so that the dust screen is prevented from being blocked due to the attachment of the impurities.
As shown in fig. 10, a process of an electric vehicle frame rust-preventing treatment device, S1: the worker firstly places the derusted electric vehicle frame on the surface of the supporting table 311, drives the rotary motor 301 and the electric winding roller 306, can move the position of the fixed frame 308, and simultaneously adjusts and fixes the position of the regulating block 309 movably connected with the inner side of the fixed frame 308 according to the requirement, so that the hanging hook 310 can hang the placed electric vehicle frame;
s2: through driving the rotating motor 301 and the electric wind-up roller 306, the suspended electric vehicle frame can enter the inner side of one notch of the fixed groove 1, so that the antirust liquid stored in the inner side of the fixed groove 1 can be used for soaking the electric vehicle frame, then, a worker can enter the electric vehicle frame into the inner side of the other notch of the fixed groove 1, and the spraying treatment of the protective liquid can be carried out on the surface, to which the antirust liquid is attached, of the electric vehicle frame through the movement of the spray pipe rack 207;
s3: the position of the suspended electric vehicle frame is adjusted according to the requirement, and the end angle of the hose 403 is adjusted in the moving process of the electric vehicle frame, so that the antirust liquid and the protective liquid attached to the electric vehicle frame can be dried.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.