KR20130003264A - Apparatus for washing under-part of electric vehicle - Google Patents

Abstract

PURPOSE: An apparatus for cleaning the underside of an electric car is provided to maximize the cleaning efficiency as contaminants on the underside of the electric car is removed by spraying high pressure water with a high pressure cleaning part. CONSTITUTION: An apparatus for cleaning the underside of an electric car comprises a housing(H), a high pressure cleaning part(100), a brush cleaning part(200), and a drying part(300). The housing is horizontally extended to open the top of the housing. The high pressure cleaning part sprays high pressure cleaning water to remove contaminants on the underside of the electric car. The brush cleaning part brushes the underside of the electric car with a rotating brush to remove the contaminants. The drying part dries water left on the underside of the electric car after passing through a high pressure cleaning part and the brush cleaning part.

Description

Electric car undercarriage device {APPARATUS FOR WASHING UNDER-PART OF ELECTRIC VEHICLE}

The present invention relates to a bottom washing apparatus of an electric vehicle, and more particularly, to an electric vehicle bottom washing apparatus capable of automatically performing a bottom pollutant removal and drying before replacing a battery of an electric vehicle.

An electric vehicle is a vehicle which drives an engine by supply of electricity using a battery, and is divided into a battery rechargeable and a replaceable battery. Among them, electric vehicles that are commercially available since 2012 have been manufactured with replacement batteries instead of rechargeable ones in order to reduce the charging time, and these battery replacement electric vehicles are already commercially available overseas. By the way, cars always run outside and on sunny days as well as in bad weather with rain or snow, and they are always exposed to various pollutants and easily polluted because they operate in various environments such as flat, mountainous, desert, and wet areas. .

In particular, in the case of a battery replaceable electric vehicle, it is difficult to separate the battery due to the contamination of the battery separating part unless the contaminants of the electric vehicle are removed. Even if washing, if the water is not dried after washing, a short circuit occurs and there is a risk of safety accident. For this reason, Europe now requires mandatory lower cleaning and drying of electric vehicles before battery replacement. However, until now, no automatic device for washing electric vehicle undercarriage has been developed at all, and the development of such a device is urgently required.

The present invention was devised to solve the problem of the lower pollution and battery replacement of the electric vehicle as described above, an object of the present invention to provide a lower self-cleaning device for electric vehicles that can automatically wash and dry the lower portion of the electric vehicle. It is done.

According to an aspect of the present invention, there is provided an electric vehicle lower cleaning device including: a housing extending in a horizontal direction and having an upper opening; A high pressure washing unit for spraying high pressure washing water to remove contaminants under the electric vehicle; A brush washing unit for brushing the lower surface of the electric vehicle with a rotating brush to remove and clean contaminants; And a drying unit for drying and removing moisture remaining in the lower portion of the electric vehicle after washing in the high pressure washing unit and the brush washing unit.

Here, the high pressure washing unit, the brush washing unit and the drying unit are continuously disposed in a row in the lower portion of the electric vehicle to sequentially wash and dry the lower portion of the electric vehicle moving horizontally.

And, the high-pressure washing unit, horizontally disposed to cross the lower width of the electric vehicle, the washing water pipe for receiving and transporting the high-pressure washing water from the outside; A plurality of spray nozzles installed on an upper surface of the washing water pipe and spraying high pressure washing water on a lower surface of the electric vehicle; And an injection nozzle elevating means for elevating the washing water pipe and the spray nozzle to adjust the distance between the spray nozzle and the lower surface of the electric vehicle.

The spray nozzle lifting means is coupled to the left and right ends of the washing water pipe to prevent the washing water pipe from being excessively raised as it comes into contact with the lower surface of the electric vehicle when the washing water pipe is raised, and between the lower surface of the electric car and the washing water pipe. A first guide roller for keeping the gap constant; A first guide roller supporter configured to support the first guide roller, a lower part of which is formed of a rod-shaped part, and an upper part of which is a roller mounting part to which the first guide roller is rotatably mounted; A first elevating block provided at a lower portion of the left and right first guide rollers and being elevated, the first guide roller supporting member being coupled through at one side thereof, and having a first pinion rotatably embedded therein; A first rack inserted through the other side of the first lifting block and engaged with the first pinion; A first rotating shaft connecting the first pinion embedded in the left and right first lifting blocks; It includes a spray nozzle lifting motor for rotating the first rotary shaft in accordance with the power applied.

In addition, one end of the rod-shaped outer peripheral surface of the first guide roller support member is supported on one side upper surface of the first lifting block and the other end is supported on the lower surface of the roller mounting part of the first guide roller support member so that the first guide roller is excessively It is preferable that a shock absorbing spring is installed to cushion the lower part of the electric vehicle and to maintain a constant gap between the washing water pipe and the electric vehicle when the vehicle is raised and collides with the lower part of the electric vehicle.

And, the injection nozzle lifting means, one end of the left and right both ends of the washing water pipe is coupled to support the washing water pipe, the other end is coupled to the rotating shaft protruding mounted on the inner wall of the housing, rotates around the rotating shaft A pipe mounting arm configured to be possible; It is connected to the central lower portion of the pipe arm and includes a pipe lift cylinder for lifting the washing water pipe and the spray nozzle by rotating the pipe bracket arm about the rotation axis in accordance with the contraction or expansion.

The brush washing unit includes: a brush shaft disposed horizontally across the lower width of the electric vehicle; A brush for brushing and washing the lower surface of the electric vehicle as it is mounted on the brush shaft outer circumferential surface and rotates; A driven sprocket coupled to an end of the brush shaft; A brush rotation motor driven by power supply; A drive sprocket rotated according to the drive of the brush rotation motor; A chain for orbiting the drive sprocket and the driven sprocket; And brush lift means for elevating the brush to adjust the distance between the brush and the lower surface of the electric vehicle.

In addition, the brush lifting means is provided on both outer sides of the brush shaft to prevent the brush from being excessively raised as it comes into contact with the lower surface of the electric vehicle when the brush is raised, and the gap between the lower surface of the electric vehicle and the brush. A second guide roller for maintaining a constant; A second guide roller supporter configured as a portion for supporting the second guide roller, a lower portion of which includes a rod-shaped portion, and an upper portion of which is a roller mounting portion to which the second guide roller is rotatably mounted; A second lifting block provided at a lower portion of each of the left and right second guide rollers, and being lifted, the second guide roller support penetratingly coupled at one side thereof, and having a second pinion rotatably embedded therein; A second rack inserted through the other side of the second lifting block and engaged with the second pinion; A second rotary shaft interconnecting second pinions embedded in the left and right second lifting blocks; A brush lift motor for rotating the second rotation shaft in response to power supply; The brush shaft and the driven sprocket is rotatably supported on one side, the brush rotation motor and the drive sprocket is rotatably supported on the other side, and is connected to the second lifting block and includes a bracket which is raised and lowered together.

In addition, one end of the rod-shaped outer circumferential surface of the second guide roller support member is supported by one upper surface of the second lifting block and the other end is supported by the lower surface of the roller mounting part of the second guide roller support member so that the second guide roller is excessively It is preferable that a shock absorbing spring is installed to cushion the lower part of the electric vehicle and to maintain a constant distance between the brush and the electric vehicle when the vehicle is raised and collides with the lower part of the electric vehicle.

And, the front side of the brush is preferably provided with a wash water blocking cover for blocking the wash water from entering the drying unit of the front side when washing the electric vehicle lower by the brush.

In addition, the washing water blocking cover, the brush and the upper and rear sides are opened, and the front lower side and the side are closed, the lower end is coupled to the second lifting block so as to move up and down when the brush is raised and lowered, and the left and right ends of the third Guide rollers are installed.

In addition, the brush lifting means, one end of the left and right both ends of the brush shaft is coupled to support the brush shaft rotatably, the other end is coupled to the rotating shaft protrudingly mounted on the inner wall of the housing, rotates around the rotating shaft A brush shaft arm configured to be possible; And a brush lift cylinder connected to the center lower portion of the brush shaft arm and pivoting the brush shaft arm around the pivot shaft according to contraction or expansion.

In addition, a drip tray is provided below the brush, and second guide rollers are provided on both left and right sides of the front upper end of the drip tray.

And, the front side of the brush is provided with a washing water blocking cover for blocking the infiltration of the washing water into the drying unit, and the third guide roller is provided on the upper left and right ends of the washing water blocking cover.

And, the drying unit, a hot air fan; A drying nozzle disposed horizontally across the lower width of the electric vehicle and connected to an outlet of the hot air fan to discharge hot air to the lower part of the electric vehicle to dry residual moisture; And a drying nozzle lifting means for elevating the drying nozzle to adjust the distance between the drying nozzle and the lower surface of the electric vehicle.

The drying nozzle lifting means is coupled to both left and right ends of the drying nozzle to prevent the drying nozzle from being excessively raised as the dry nozzle is brought into contact with the lower surface of the electric vehicle, and the lower surface and the drying nozzle of the electric vehicle. A fourth guide roller for maintaining a constant gap therebetween; A fourth guide roller supporter configured as a portion for supporting the fourth guide roller, a lower portion of which is formed of a rod-shaped portion, and an upper portion of which is a roller mounting portion to which the fourth guide roller is rotatably mounted; A third elevating block provided at a lower portion of the left and right fourth guide rollers, respectively, and elevating, the fourth guide roller supporting member being penetrated through one side thereof, and having a third pinion rotatably embedded therein; A third rack inserted through the other side of the third lifting block and engaged with the third pinion; A third rotary shaft interconnecting third pinions embedded in the left and right third lifting blocks; It includes a dry nozzle lifting motor for rotating the third rotary shaft in accordance with the power applied.

In addition, one end of the rod-shaped outer peripheral surface of the fourth guide roller supporter is supported on one upper surface of the third lifting block and the other end is supported on the lower surface of the roller mounting portion of the fourth guide roller supporter so that the fourth guide roller is excessively It is preferable that a cushioning spring is provided to cushion the lower portion of the electric vehicle and to maintain a constant gap between the drying nozzle and the electric vehicle.

And, the drying nozzle lifting means, the left and right both ends of the drying nozzle is coupled to one end to support the drying nozzle, the other end is coupled to the rotating shaft protrudingly mounted on the inner wall of the housing, rotates around the rotating shaft A dry nozzle support arm configured to be possible; It is connected to the center lower portion of the dry nozzle value arm and includes a dry nozzle lifting cylinder for lifting the dry nozzle by rotating the dry nozzle value arm about the rotation axis in accordance with the contraction or expansion.

According to the present invention as described above, by automatically washing the water of the lower portion of the electric vehicle, brushing and drying the high pressure before replacing the battery of the electric vehicle, the replacement operation of the battery can be made smoothly.

1 is a perspective view of an electric vehicle lower washing device according to the present invention;
2 is a plan view of the electric vehicle lower washing device according to the present invention,
3 is a side view of the electric vehicle lower washing device according to the present invention;
4 is a perspective view of an electric vehicle lower washing device according to the present invention;
5 is a plan view of the electric vehicle lower washing device according to another embodiment of the present invention,
Figure 6 is a side view of the electric vehicle lower washing device according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings and preferred embodiments will be described in detail the configuration and operation of the electric vehicle lower washing device according to the present invention.

As shown in Figures 1 to 3, the electric vehicle lower washing apparatus according to the present invention includes a housing (H), a high-pressure washing unit 100, a brush washing unit 200 and a drying unit 300.

The housing (H) is a housing for accommodating the entire components of the electric vehicle lower washing apparatus according to the present invention to be described later, as shown in Figure 1, consisting of a rectangular parallelepiped formed generally extending in the horizontal direction, the upper portion It is preferable that all of the openings are covered with the cover C except for the exposed portion of the injection nozzle 112, the brush 210, and the drying nozzle 320 which will be described later.

The housing (H) may be arranged on the ground for the bottom of the electric vehicle to be configured so that the electric vehicle is raised to the top of the housing (H) to be cleaned, but is buried in the ground of the car wash and the upper surface is the same height as the ground Preferably, the electric vehicle is configured such that the washing is performed while moving horizontally on the ground.

The high-pressure washing unit 100 is a part for removing contaminants buried in the lower part of the electric vehicle by spraying water at a relatively high pressure, the injection nozzle 112 by intensively spraying the bolt portion of the battery assembly, etc. at a high water pressure of about 10 Bar or more. As close to the bottom of the electric vehicle as possible to maximize the cleaning efficiency.

4 is a perspective view of the high pressure washing unit 100. As shown in Figure 2 to 4, the high pressure washing unit 100 includes a washing water pipe 110, the injection nozzle 112 and the injection nozzle lifting means, the injection nozzle lifting means is the first guide roller ( 120), the first guide roller support 130, the first lifting block 140, the first rack 150, the first pinion 162, the first rotating shaft 160, the injection nozzle lifting motor 170 Include.

The washing water pipe 110 is horizontally disposed to cross the lower width of the vehicle, and is a pipe for receiving and transporting high pressure washing water from a high pressure pump (not shown) from the outside. A plurality of injection nozzles 112 to spray on the lower surface is installed. The washing water pipe 110 and the injection nozzle 112 should be maintained at a constant distance from the lower surface of the electric vehicle for effective cleaning. To this end, the washing water pipe 110 and the injection nozzle 112 is configured to be lowered by the spray nozzle lifting means as described below.

The first guide roller 120 is coupled to both ends of the washing water pipe 110 to prevent the washing water pipe 110 from being excessively raised as it comes into contact with the lower surface of the electric vehicle when the washing water pipe 110 is raised. It is a roller for maintaining a constant gap between the lower surface of the vehicle and the washing water pipe (110).

The first guide roller support 130 is a portion for supporting the first guide roller 120, as shown in Figure 4, the lower portion is formed of a rod-shaped portion (130a) first lifting block 140 to be described later It is preferably composed of a roller mounting portion (130b) is formed in a generally block shape to be penetrated through the upper portion, the first guide roller 120 is mounted on the top. The shock absorbing spring 132 is installed on the outer circumferential surface of the rod-shaped portion 130a. One end of the shock absorbing spring 132 is supported on one upper surface of the first elevating block 140, and the other end is supported on the lower surface of the roller mounting part 130b of the first guide roller support 130 to support the first guide roller. When 120 is excessively raised and collides with the lower part of the electric vehicle, the shock absorbing function and a function of maintaining a constant gap between the washing water pipe 110 and the electric vehicle are performed.

The first lifting block 140 is a block that is lifted and lowered in accordance with the operation of the injection nozzle lifting motor 170, which will be described later, each one is provided in the lower left and right of the first guide roller 120 and by the lower plate 144 Are interconnected. One side of the first elevating block 140, the first guide roller support 130 is inserted through the lower end is coupled to the lower portion of the first elevating block 140 by a bushing, the first elevating block ( 140 is moved up and down along the first guide roller support 130, the first rack 150 is inserted through the other from the upper side to the lower side, the first lifting block 140 is the first lifting block 140 The rack 150 is configured to be movable relative to the vertical direction. That is, the first rack 150 is only in the state of penetrating the first lifting block 140, not fixedly coupled to the first lifting block 140, the first lifting block 140 is the first rack ( And configured to be movable along 150).

Meanwhile, a first pinion 162 engaged with the first rack 150 passing through the first lifting block 140 is provided inside the first lifting block 140. In addition, a first rotation shaft 160 is coupled to the first pinion 162. Both ends of the first rotation shaft 160 are coupled to the first pinion 162 provided inside the first lifting blocks 140 on both the left and right sides, and the injection nozzle lifting motor 170 and the reducer 172 are disposed at the center thereof. Connected. At this time, the injection nozzle lifting motor 170 and the reduction gear 172 is preferably placed on the lower plate 144 that interconnects the left and right first lifting blocks 140.

According to this configuration, when the injection nozzle lifting motor 170 is rotated in the forward direction, the rotation direction and speed are converted by the reducer 172 to rotate the first rotary shaft 160, the first end of both ends of the first rotary shaft 160 As the one pinion 162 rotates, the pinion 162 meshes with the first rack 150 to ascend. Accordingly, the first guide roller 140 with the first pinion 162 built therein is lifted and lowered, and is supported by the first guide roller support 130 on the first lift block 140. 120 and the washing water pipe 110 is raised. When the washing water pipe 110 rises and the first guide roller 120 contacts the lower surface of the electric vehicle, the injection nozzle lifting motor 170 is stopped and the buffer spring 132 installed at the support of the first guide roller 120. The shock is buffered by the operation of the first guide roller 120 and the constant interval between the electric vehicle is maintained. At this time, the high pressure washing water is supplied through the washing water pipe 110 to be sprayed at a high pressure to the lower portion of the electric vehicle through the injection nozzle 112 to remove contaminants under the electric vehicle. When the washing is completed, the washing water injection is stopped and the washing water pipe 110 and the first guide roller 120 is lowered and returned to its original position according to the reverse rotation of the spray nozzle lifting motor 170.

Brush cleaning unit 200 is a portion for removing and cleaning the contaminants by brushing the lower surface of the electric vehicle with a rotating brush 210, brush 210, brush shaft 212, washing water blocking cover 290, brush Rotary motor 216, chain 219 and brush lifting means. The brush lifting means includes a second guide roller 230, a second guide roller support 240, a second lifting block 250, a second rack 260, a second pinion 272, and a second rotating shaft. 270, a brush lift motor 280.

The brush 210 is a synthetic resin brush such as PE to remove contaminants on the lower portion of the electric vehicle by high speed rotation. The brush 210 is horizontally disposed to cross the lower width of the electric vehicle, as shown in FIG. 4.

The brush shaft 212 of the brush 210 is rotatably mounted via a bearing on a bracket 220 that is fixed to the side of the washing water blocking cover 290 or the second lifting block 250 to be described later, One or both ends of the brush shaft 212 is provided with a driven sprocket 214. One side of the brush 210 is provided with a brush rotation motor 216, which may include a reducer 217, in parallel with the brush shaft 212, the shaft of the brush rotation motor 216, or reducer 217 Drive sprocket 218 is coupled to. The chain 219 is coupled to the driving sprocket 218 of the brush rotating motor 216 or the reducer 217 and the driven sprocket 214 of the brush shaft 212. Through this configuration, when the brush rotation motor 216 is driven, the driving sprocket 218 is rotated, the rotational force is transmitted to the driven sprocket 214 by the chain 219 to rotate the brush shaft 212.

The brush 210 should be given a brush pressure for effective cleaning, and thus, a constant distance from the lower surface of the electric vehicle should be maintained. To this end, the brush 210 is configured to be moved up and down as described below.

The second guide roller 230 is provided at both upper and outer ends of the brush shaft 212 to prevent the brush 210 from being excessively raised as the brush 210 is in contact with the lower surface of the electric vehicle when the brush 210 is raised. As a roller for maintaining a constant gap between the lower surface of the vehicle and the brush 210, it is installed at the same height as the first guide roller 120 described above.

The second guide roller support 240 is a portion supporting the second guide roller 230, and similarly to the first guide roller support 130, the lower portion is formed of a rod-shaped portion 240a to be described later. It is preferable that the block-shaped portion 130b is coupled to the lifting block 250 so that the second guide roller 230 is mounted thereon. In addition, a buffer spring 242 is installed on an outer circumferential surface of the rod-shaped portion 240a. The shock absorbing spring 242 is supported on one side of the upper surface of the second lifting block 250, which will be described later, and the other end is supported on the bottom surface of the block-shaped portion 240b of the second guide roller support 240 When the two guide roller 230 excessively rises and collides with the lower part of the electric vehicle, the two guide rollers 230 perform a function of cushioning and maintain a constant distance between the brush 210 and the electric vehicle.

The second lifting block 250 is a block which is lifted and lowered according to the operation of the brush lifting motor 280 which will be described later. Like the first lifting block 140, each of the second lifting block 250 is 1 at the bottom of the left and right second guide rollers 230. Each one is provided and interconnected by a lower plate 254. The second guide roller support 240 is inserted into and fixed to the upper portion of the second lifting block 250 by a bushing or the like, and the second rack 260 is inserted into the other side from the upper portion to the lower portion. The second lifting block 250 is configured to be relatively movable in the vertical direction with respect to the second rack 260. That is, the second rack 260 is only in the state of penetrating the second lifting block 250, not fixedly coupled to the second lifting block 250, the second lifting block 250 is the second rack ( 260 is configured to be movable up and down.

A second pinion 272 that engages with the second rack 260 penetrating through the second lifting block 250 is provided inside the second lifting block 250. In addition, a second rotation shaft 270 is coupled to the second pinion 272. Both ends of the second rotation shaft 270 are respectively coupled to the second pinion 272 provided inside the second lifting blocks 250 on both the left and right sides thereof, and connected to the center by the brush lifting motor 280 and the reduction gear 282. do. At this time, the brush lift motor 280 and the reducer 282 is preferably placed on the lower plate 254 to interconnect the left and right second lifting block 250, both.

On the other hand, the front side of the brush 210 (defined as the front of the electric vehicle proceeds to the front side) when washing the lower part of the electric vehicle by the brush 210 to enter the drying unit 300 of the front side to be described later Wash water blocking cover 290 is provided to block the thing. The washing water blocking cover 290, as shown in Figure 4, cut the cylinder having the same shape as the brush 210, leaving only a quarter portion, the upper and rear sides are opened and the front lower and side Is closed to prevent the washing water splashing during the brush washing into the drying unit 300, which is the front side.

The washing water blocking cover 290 is preferably fixedly coupled to the lower end of the second elevating block 250 so that when the brush 210 is raised and lowered together. The third guide roller 292 is installed at the same height as the first guide roller 120 and the second guide roller 230 at both left and right ends of the washing water blocking cover 290. The third guide roller 292 also serves to maintain a constant gap between the wash water blocking cover 290 and the lower part of the electric vehicle.

On the other hand, as mentioned above, the bracket 220 in which the brush shaft 212 is rotatably mounted is fixedly coupled to the left and right sides of the washing water blocking cover 290, the brush 210 and the washing water blocking cover 290 is It may be configured to move up and down together, it may be coupled to the second lifting block 250.

According to this configuration, when the brush lift motor 280 is rotated in the forward direction, the rotation direction and speed is converted by the reducer 282 to rotate the second rotary shaft 270, the second end of the second rotary shaft 270 As the pinion 272 rotates, the pinion 272 meshes with the second rack 260 and rises. Accordingly, the second guide roller 250 with the second pinion 272 is lifted up and down, and the second guide roller is supported by the second guide roller support 240 in the second lift block 250. The brush 210 coupled to the second lifting block 250 or the washing water blocking cover 290 by the bracket 220 is raised. When the brush 210 is raised and the second guide roller 230 is in contact with the lower surface of the electric vehicle, the brush lift motor 280 is stopped, and the action of the shock absorbing spring 242 installed in the second guide roller support 240 is applied. The shock is cushioned by the constant distance between the second guide roller 230 and the lower part of the electric vehicle is maintained. At this time, the brush rotating motor 216 is operated so that the brush 210 is rotated to wash the lower part of the electric vehicle. When the cleaning is completed, the rotation of the brush 210 is stopped, and the brush 210 and the second guide roller 230 are lowered and returned to their original positions according to the reverse rotation of the brush lift motor 280.

The drying unit 300 is a portion for drying and removing moisture remaining in the lower portion of the electric vehicle after washing in the high pressure washing unit 100 and the brush washing unit 200, and a hot air blower 310, a drying nozzle 320, and a drying nozzle. And lifting means, wherein the drying nozzle lifting means includes a fourth guide roller 330, a fourth guide roller support 340, a third lifting block 350, a third rack 360, and a third pinion 372. ), The third rotary shaft 370 and the drying nozzle lifting motor 380.

The hot air blower 310 is a device that incorporates a heater therein to suck outside air to heat and discharge hot air to a blower fan driven by a motor. The structure of the hot air blower 310 is conventional and its detailed description is omitted.

The drying nozzle 320 is connected to the discharge port of the hot air blower 310 to discharge the hot air to the lower portion of the electric vehicle to dry the residual moisture, as shown in Figure 4, horizontally across the lower width of the vehicle The two ends may be fixedly coupled to the fourth guide roller 330 and / or the third lifting block 350 which will be described later. The drying nozzle 320 should be maintained at a constant distance from the lower surface of the electric vehicle for effective drying. To this end, the drying nozzle 320 is configured to be moved up and down as described below.

The fourth guide roller 330 is coupled to both ends of the drying nozzle 320 to prevent the drying nozzle 320 from being excessively raised as the dry nozzle 320 is in contact with the lower surface of the electric vehicle. The roller for maintaining a constant distance between the lower surface of the vehicle and the drying nozzle 320.

The fourth guide roller support 340 is a portion for supporting the fourth guide roller 330, as shown in Figure 4, the lower portion is composed of a rod-shaped portion 340a third lifting block 350 to be described later It is preferably composed of a block-shaped portion (340b) so that the fourth guide roller 330 is mounted on the through. In addition, a buffer spring 342 is installed on the outer circumferential surface of the rod-shaped portion 340a. One end of the buffer spring 342 is supported by one upper surface of the third elevating block 350, and the other end is supported by the lower surface of the block-shaped portion 340b of the fourth guide roller support 340 to support the fourth guide. When the roller 330 excessively rises and collides with the lower part of the electric vehicle, the roller 330 functions as a buffer and also maintains a constant gap between the drying nozzle 320 and the electric vehicle.

The third lifting block 350 is a block which is lifted and lowered according to the operation of the drying nozzle lifting motor 380 which will be described later. Each of the third lifting block 350 is provided at a lower portion of the left and right fourth guide rollers 330 and is provided by the lower plate 354. Are interconnected. The fourth guide roller support 340 is inserted into and fixed to the upper portion of the third lifting block 350 by a bushing or the like, and the third rack 360 is inserted into the other side from the upper portion to the lower portion. The third lifting block 350 is configured to be movable relative to the third rack 360 in the vertical direction. That is, the third rack 360 is only in the state of penetrating the third lifting block 350, not fixedly coupled to the third lifting block 350, the third lifting block 350 is the third rack ( And configured to move up and down along 360.

Meanwhile, a third pinion 372 engaged with the third rack 360 penetrating the third lifting block 350 is provided inside the third lifting block 350. In addition, a third rotation shaft 370 is coupled to the third pinion 372. Both ends of the third rotation shaft 370 are respectively coupled to third pinions 372 provided in the third lifting blocks 350 on both the left and right sides, and a dry nozzle lifting motor 380 and a reducer 382 at the center thereof. Connected. At this time, the drying nozzle lifting motor 380 and the reducer 382 is preferably placed on the lower plate 354 connecting the left and right third lifting blocks 350 to each other.

According to this configuration, when the drying nozzle lifting motor 380 is rotated in the forward direction, the rotation direction and speed are converted by the reducer 382 so that the third rotary shaft 370 is rotated, and the third rotary shaft 370 is formed at both ends. As the three pinions 372 rotate, they engage with the third rack 360 and ascend. Accordingly, the fourth lifting roller 350 with the third pinion 372 is lifted and lowered, and the fourth guide roller is supported by the fourth guide roller support 340 in the third lifting block 350. 330 and the drying nozzle 320 are raised. When the drying nozzle 320 is raised and the fourth guide roller 330 is in contact with the lower surface of the electric vehicle, the drying nozzle lifting motor 380 is stopped and the shock absorbing spring 342 installed in the fourth guide roller support 340. The shock is buffered by the operation of the fourth guide roller 330 is maintained at a constant interval between the electric vehicle and the bottom. At this time, the hot air blower 310 is operated to discharge hot air through the drying nozzle 320 so that the moisture remaining in the lower portion of the electric vehicle is removed. When the drying is completed, the hot air discharge is stopped and the drying nozzle 320 and the fourth guide roller 330 are lowered and returned to their original positions according to the reverse rotation of the drying nozzle lifting motor 380.

The lower washing of the electric vehicle is sequentially completed through the high pressure washing unit 100, the brush washing unit 200, and the drying unit 300 as described above. By the way, in order to sequentially pass through such a process unit, although not shown, separate conveyor means for horizontally moving the electric vehicle on both sides of the upper portion of the electric vehicle lower washing apparatus according to the present invention should be provided. In addition, an entry of an electric vehicle, a length of the vehicle, and a lower surface of the vehicle are located at a part of the first housing H of the high-pressure washing unit 100 so that each component is sequentially operated according to the position of the electric vehicle moving on the conveyor means. It is preferable that a sensor is provided to detect the height of the device, and the operation timing and time of each component and the rising height of the spray nozzle, the brush and the drying nozzle are automatically controlled according to the control of the controller based on the detected values of the sensors. It is preferable to operate with.

On the other hand, Figure 5 and Figure 6 is a plan view and a side view of the electric vehicle lower washing apparatus according to another embodiment of the present invention, respectively. As shown, the electric vehicle lower washing device according to another embodiment of the present invention is the housing (H), high-pressure washing unit 100, brush washing unit 200 and drying unit 300 in the same manner as the above-described embodiment Including a), the means for raising and lowering the injection nozzle 112, the brush 210 and the drying nozzle 320 is replaced by a hydraulic or pneumatic cylinder.

Specifically, the high pressure washing unit 100 includes a washing water pipe 110 and a spray nozzle 112 as in the above-described embodiment, and supports the washing water pipe 110 at both left and right ends of the washing water pipe 110. The pipe mounting arm 114 is provided. One end of the pipe mounting arm 114 is coupled to both ends of the washing water pipe 110, respectively, and the other end is rotatably coupled to the rotation shaft 116 protrudingly mounted on the inner wall of the housing. In addition, a pipe lifting cylinder 118 is provided at the center lower portion of the pipe mounting arm 114 to rotate the pipe mounting arm 114 around the pivot shaft to elevate the washing water pipe 110. Then, the first guide roller 120 is provided on both left and right sides of the washing water pipe (110). On the other hand, the pipe mounting arm 114 is horizontally arranged, but the end side to which the washing water pipe 110 is coupled is bent upward to make the height of the washing water pipe 110 higher, the end side to which the rotation shaft 116 is coupled It is preferable to bend downward to reduce the radius of rotation.

According to such a configuration, when the pipe lift cylinder 118 is expanded, the pipe support arm 114 is rotated upward with respect to the pivot shaft 116 to raise the washing water pipe 110, and the pipe lift cylinder 118 When contracted, the pipe mounting arm 114 is rotated downward with respect to the rotation shaft 116 so that the washing water pipe 110 descends.

The brush cleaning unit 200 includes a brush 210, a brush shaft 212, a driven sprocket 214, a brush rotating motor 216, a reducer 217, and a driving sprocket 218 as in the above-described embodiment. The brush shaft mounting arms 213 are provided at left and right ends of the brush shaft 212. Both ends of the brush shaft 212 are respectively penetrated through one end of the brush shaft arm 213, and the other end is rotatably coupled to the rotation shaft 215 protrudingly mounted on the inner wall of the housing. In addition, a brush lift cylinder 225 for lifting and lowering the brush 210 is provided at the center lower portion of the brush shaft arm 213 by rotating the brush shaft arm 213 about the pivot shaft 215. . In addition, the brush rotating motor 216 and the reducer 217 are fixedly mounted to the brush shaft arm 213 and coupled to the drive sprocket 218 and the brush shaft 212 coupled to the shaft of the reducer 217. The chain 219 is engaged with the driven driven sprocket 214. In addition, the lower portion of the brush 210 is provided with a semi-circular drip tray 211 having an upper opening, and the second guide roller 230 is provided at the upper left and right sides of the drip tray 211. On the other hand, the brush shaft arm 213 is arranged horizontally, the end side of the rotation shaft 215 is preferably bent downward to reduce the rotation radius.

On the other hand, the front side of the brush 210 is provided with a washing water blocking cover 290 for preventing the wash water from passing to the drying unit 300, the washing water blocking cover 290 has a third guide roller 292 is It is provided. The wash water blocking cover 290 is preferably configured in a side shape in the shape of a fan.

According to this configuration, the brush rotation motor 216 is driven to rotate the brush 210 by the chain 219, when the brush lift cylinder 225 is expanded, the brush shaft arm 213 is rotated by the rotating shaft 215 When the brush 210 is raised upward by rotating upward, and the brush lifting cylinder 225 is contracted, the brush support arm 213 is rotated downwardly about the rotation shaft 215 to lower the brush 210. do.

The drying unit 300 includes a hot air blower 310 and a drying nozzle 320 as in the above-described embodiment, and dry nozzle support arms supporting the drying nozzle 320 at both left and right ends of the drying nozzle 320. 322 is provided. Both ends of the drying nozzle 320 are respectively penetrated to one end of the drying nozzle support arm 322, and the other end is rotatably coupled to the rotation shaft 324 protrudingly mounted on the inner wall of the housing. In addition, a drying nozzle lifting cylinder 326 for elevating the drying nozzle 320 by rotating the drying nozzle support arm 322 about the rotation shaft 324 at the center lower portion of the drying nozzle support arm 322. It is provided. In addition, fourth guide rollers 330 are provided on both left and right sides of the drying nozzle 320. On the other hand, the dry nozzle value arm 322 is arranged horizontally, the end side of the rotation shaft 324 is preferably bent downward to reduce the rotation radius.

According to such a configuration, when the drying nozzle lifting cylinder 326 is expanded, the drying nozzle support arm 322 is rotated upward with respect to the rotation shaft 324 to raise the drying nozzle 320, and the drying nozzle lifting cylinder ( When the 326 is contracted, the dry nozzle value arm 322 is rotated downwardly about the pivot shaft 324 so that the dry nozzle 3200 is lowered. Other operation relations are the same as the first embodiment described above, and thus will be omitted.

Although the present invention has been described in detail with reference to the embodiments of the present invention, the scope of the present invention is not limited thereto and may be substantially equivalent to the embodiments of the present invention.

H: housing C: cover
100: high pressure washing unit 110: washing water pipe
112: injection nozzle 114: pipe mounting arm
116: rotating shaft 118: pipe lifting cylinder
120: first guide roller 130: first guide roller support
130a: rod-shaped portion 130b: roller mounting portion
132: buffer spring 140: the first lifting block
144: lower plate 150: first rack
160: first axis of rotation 162: first pinion
170: injection nozzle lifting motor 172: reducer
200: brush cleaning unit 210: brush
211: drip tray 212: brush shaft
213: brush shaft arm 214: driven sprocket
215: rotating shaft 216: brush rotation motor
217: reducer 218: drive sprocket
219: chain 220: bracket
225: brush lift cylinder 230: the second guide roller
240: second guide roller support 240a: rod-shaped portion
240b: roller mounting portion 242: buffer spring
250: second lifting block 254: lower plate
260: second rack 270: second rotating shaft
272: second pinion 280: brush lift motor
282: reducer 290: washing water blocking cover
292: third guide roller 300: drying unit
310: hot air fan 320: dry nozzle
322: dry nozzle beach arm 324: slewing rock
326: dry nozzle lifting cylinder 330: fourth guide roller
340: fourth guide roller support 340a: rod-shaped upper portion
340b: roller mounting portion 342: buffer spring
350: 3rd lifting block 354: lower plate
360: third rack 370: third rotating shaft
372: third pinion 380: dry nozzle lifting motor
382: reducer

Claims (18)

A housing extending in a horizontal direction and having an upper opening;
A high pressure washing unit for spraying high pressure washing water to remove contaminants under the electric vehicle;
A brush washing unit for brushing the lower surface of the electric vehicle with a rotating brush to remove and clean contaminants;
The electric vehicle lower washing device including a drying unit for drying and removing the moisture remaining in the lower portion of the electric vehicle after washing in the high-pressure washing unit and the brush washing unit. The method of claim 1,
The high-pressure washing unit, the brush washing unit and the drying unit is disposed in a row in the lower portion of the electric vehicle in order to sequentially wash and dry the lower portion of the electric vehicle moving horizontally. 3. The method according to claim 1 or 2,
The high pressure washing unit,
A washing water pipe disposed horizontally to cross the lower width of the electric vehicle, the washing water pipe being supplied and transported with a high pressure washing water from the outside;
A plurality of spray nozzles installed on an upper surface of the washing water pipe and spraying high pressure washing water on a lower surface of the electric vehicle;
And an injection nozzle lifting means for elevating the washing water pipe and the injection nozzle to adjust the distance between the injection nozzle and the lower surface of the electric vehicle. The method of claim 3, wherein
The injection nozzle lifting means,
Coupled to the left and right both ends of the washing water pipe to prevent the washing water pipe from being excessively raised as it comes into contact with the lower surface of the electric vehicle when the washing water pipe is raised, and to maintain a constant gap between the lower surface of the electric vehicle and the washing water pipe. A first guide roller;
A first guide roller supporter configured to support the first guide roller, a lower part of which is formed of a rod-shaped part, and an upper part of which is a roller mounting part to which the first guide roller is rotatably mounted;
A first elevating block provided at a lower portion of the left and right first guide rollers and being elevated, the first guide roller supporting member being coupled through at one side thereof, and having a first pinion rotatably embedded therein;
A first rack inserted through the other side of the first lifting block and engaged with the first pinion;
A first rotating shaft connecting the first pinion embedded in the left and right first lifting blocks;
The electric vehicle lower cleaning device comprising a spray nozzle lifting motor for rotating the first rotating shaft in accordance with the power applied. The method of claim 4, wherein
On the outer peripheral surface of the rod-shaped portion of the first guide roller support, one end is supported on one upper surface of the first lifting block and the other end is supported on the lower surface of the roller mounting portion of the first guide roller support so that the first guide roller is excessively raised. The electric vehicle lower washing device, characterized in that the shock absorbing action is provided in the case of a collision with the lower part of the electric vehicle and a buffer spring for maintaining a constant distance between the wash water pipe and the electric vehicle is installed. The method of claim 3, wherein
The injection nozzle lifting means,
One end of the left and right ends of the washing water pipe are coupled to support the washing water pipe, and the other end of the pipe mounting arm is coupled to the rotating shaft protrudingly mounted on the inner wall of the housing, and configured to be rotatable about the rotating shaft;
An electric vehicle lower washing device connected to the center lower portion of the pipe arranging arm and including a pipe elevating cylinder for elevating the washing water pipe and the spray nozzle by rotating the pipe arranging arm about the pivot shaft according to the contraction or expansion. . 3. The method according to claim 1 or 2,
The brush cleaning unit,
A brush shaft disposed horizontally across the lower width of the electric vehicle;
A brush for brushing and washing the lower surface of the electric vehicle as it is mounted on the brush shaft outer circumferential surface and rotates;
A driven sprocket coupled to an end of the brush shaft;
A brush rotation motor driven by power supply;
A drive sprocket rotated according to the drive of the brush rotation motor;
A chain for orbiting the drive sprocket and the driven sprocket;
And a brush lift means for elevating the brush to adjust the distance between the brush and the lower surface of the electric vehicle. The method of claim 7, wherein
The brush lifting means,
Second guides are provided on both outer sides of the brush shaft to prevent the brush from being excessively raised as the brush is in contact with the lower surface of the electric vehicle when the brush is raised, and to maintain a constant distance between the brush and the lower surface of the electric vehicle. With a roller;
A second guide roller supporter configured as a portion for supporting the second guide roller, a lower portion of which includes a rod-shaped portion, and an upper portion of which is a roller mounting portion to which the second guide roller is rotatably mounted;
A second lifting block provided at a lower portion of each of the left and right second guide rollers, and being lifted, the second guide roller support penetratingly coupled at one side thereof, and having a second pinion rotatably embedded therein;
A second rack inserted through the other side of the second lifting block and engaged with the second pinion;
A second rotary shaft interconnecting second pinions embedded in the left and right second lifting blocks;
A brush lift motor for rotating the second rotation shaft in response to power supply;
The brush shaft and the driven sprocket is rotatably supported on one side, the brush rotation motor and the drive sprocket is rotatably supported on the other side, the lower part of the electric vehicle including a bracket connected to the second lifting block and lifted together Washing device. The method of claim 8,
On the outer peripheral surface of the rod-shaped portion of the second guide roller support, one end is supported on one upper surface of the second lifting block and the other end is supported on the lower surface of the roller mounting portion of the second guide roller support so that the second guide roller is excessively raised. The electric vehicle lower cleaning device, characterized in that the shock absorbing action is provided in the event of a collision with the lower part of the electric vehicle and a cushioning spring for maintaining a constant distance between the brush and the electric vehicle is installed. The method of claim 8,
The front side of the brush is an electric vehicle lower washing device, characterized in that the washing water blocking cover for preventing the wash water from entering the drying unit of the front side when washing the electric vehicle lower by the brush. 11. The method of claim 10,
The washing water blocking cover,
The brush and the upper and rear sides are opened and the front lower side and the side are closed, and the lower end is coupled to the second lifting block so that the brush moves up and down together, and third guide rollers are installed at both ends. Electric vehicle undercarriage. The method of claim 7, wherein
The brush lifting means,
One end of the left and right ends of the brush shaft is coupled to rotatably support the brush shaft, the other end is coupled to the rotating shaft protrudingly mounted on the inner wall of the housing, the brush shaft arm is configured to be rotated around the rotation shaft and;
And a brush lift cylinder connected to the center lower portion of the brush shaft arm and configured to lift the brush by rotating the brush shaft arm around the pivot shaft according to contraction or expansion. The method of claim 11,
The lower part of the brush is provided with a drip tray, the electric vehicle lower washing device, characterized in that the second guide rollers are provided on the left and right sides of the front upper end of the drip tray. The method of claim 11,
The front side of the brush is provided with a washing water blocking cover for blocking the wash water intrusion into the drying unit, the electric vehicle lower washing device, characterized in that the third guide rollers are provided on the upper left and right ends of the washing water blocking cover. 3. The method according to claim 1 or 2,
The drying unit,
A hot air fan;
A drying nozzle disposed horizontally across the lower width of the electric vehicle and connected to an outlet of the hot air fan to discharge hot air to the lower part of the electric vehicle to dry residual moisture;
And a dry nozzle lifting means for elevating the drying nozzle to adjust the distance between the dry nozzle and the lower surface of the electric vehicle. The method of claim 15,
The drying nozzle lifting means,
Coupled to the left and right both ends of the drying nozzle to prevent the drying nozzle from being excessively raised as it is in contact with the lower surface of the electric vehicle when the drying nozzle is raised and to maintain a constant distance between the lower surface and the drying nozzle of the electric vehicle A fourth guide roller;
A fourth guide roller supporter configured as a portion for supporting the fourth guide roller, a lower portion of which is formed of a rod-shaped portion, and an upper portion of which is a roller mounting portion to which the fourth guide roller is rotatably mounted;
A third elevating block provided at a lower portion of the left and right fourth guide rollers, respectively, and elevating, the fourth guide roller supporting member being penetrated through one side thereof, and having a third pinion rotatably embedded therein;
A third rack inserted through the other side of the third lifting block and engaged with the third pinion;
A third rotary shaft interconnecting third pinions embedded in the left and right third lifting blocks;
The electric vehicle lower cleaning device comprising a dry nozzle lifting motor for rotating the third rotary shaft in accordance with the power applied. 17. The method of claim 16,
On the outer peripheral surface of the rod-shaped portion of the fourth guide roller support, one end is supported on one upper surface of the third lifting block and the other end is supported on the lower surface of the roller mounting portion of the fourth guide roller support so that the fourth guide roller is excessively raised. The electric vehicle lower cleaning device, characterized in that the shock absorbing action when the impact on the lower part of the electric vehicle and the shock absorbing spring for maintaining a constant distance between the dry nozzle and the electric vehicle is installed. The method of claim 15,
The drying nozzle lifting means,
One end of the left and right ends of the drying nozzle is coupled to support the drying nozzle, and the other end is coupled to the rotating shaft protrudingly mounted on the inner wall of the housing, the drying nozzle clutch arm configured to be rotatable about the rotating shaft ;
An electric vehicle lower cleaning device connected to a central lower portion of the dry nozzle value arm and including a dry nozzle lifting cylinder configured to lift the dry nozzle by rotating the dry nozzle value arm about a pivot axis according to contraction or expansion. .

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