CN114852908A

CN114852908A - Lifting maintenance equipment for electric vehicle maintenance

Info

Publication number: CN114852908A
Application number: CN202210793285.3A
Authority: CN
Inventors: 乔会涛; 吴宾; 乔磊
Original assignee: Xuzhou Rongteng Intelligent Equipment Research Institute Co ltd
Current assignee: Xuzhou Rongteng Intelligent Equipment Research Institute Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-08-05
Anticipated expiration: 2042-07-07
Also published as: CN114852908B

Abstract

The invention relates to the technical field of electric vehicle maintenance equipment, in particular to lifting maintenance equipment for electric vehicle maintenance, which comprises a fixed plate, wherein a traveling mechanism for driving an integral structure to move is arranged on the fixed plate, a lifting mechanism is arranged at the center of the surface of the fixed plate, a supporting mechanism for supporting an electric vehicle wheel chassis is arranged on the lifting mechanism, a limiting mechanism for limiting the lifting mechanism is arranged on the driving mechanism, a braking mechanism is arranged between the lifting mechanism and the traveling mechanism, when a rear wheel tire of an electric vehicle needs to be replaced, the integral structure is moved to the bottom of an electric vehicle, the supporting mechanism is ensured to correspond to the electric vehicle chassis, the driving mechanism is repeatedly pressed and lifted, the lifting mechanism is stretched out by the driving mechanism, the supporting mechanism is further abutted against the electric vehicle tire chassis, and the driving mechanism is continuously pressed to separate the rear wheel of the electric vehicle from the ground, the electric vehicle chassis support is prevented from blocking the operation of maintenance personnel by realizing the lifting of the electric vehicle.

Description

Lifting maintenance equipment for electric vehicle maintenance

Technical Field

The invention relates to the technical field of electric vehicle maintenance equipment, in particular to lifting maintenance equipment for electric vehicle maintenance.

Background

The chassis of the electric vehicle needs to be supported during maintenance of the electric vehicle, the two supports are abutted to the wheel frame of the electric vehicle during use, the rear wheel of the electric vehicle is separated from the ground, and the electric vehicle rear wheel support is mainly used for replacing rear wheel tires of the electric vehicle or overhauling a driving system of the electric vehicle. When the tire of a rear wheel is replaced by the conventional support for electric vehicle maintenance, the support is firstly placed at the maximum gap between an electric vehicle and the ground, a maintenance worker lifts the rear part of a vehicle body completely, the support is pulled to the bottom of a wheel frame by feet, the wheel frame is supported, on one hand, labor is wasted, on the other hand, the wheel frame and the support are operated by feet when being aligned, the vehicle body needs to be lifted by the maintenance worker at the moment, the vehicle body blocks the wheel frame and the support, the alignment time of the wheel frame and the support is increased, and maintenance is influenced; directly place the support in the bottom of electric motor car, if the grit between support and the ground is contradicted, the electric motor car rocks when overhauing, and the support rolls between easy and the ground, causes the electric motor car to tumble, influences the maintenance of electric motor car.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides lifting maintenance equipment for electric vehicle maintenance.

The technical scheme adopted by the invention for solving the technical problems is as follows: a lifting maintenance device for electric vehicle maintenance comprises a fixed plate, wherein a traveling mechanism for driving an integral structure to move is arranged on the fixed plate, a lifting mechanism is arranged at the center of the surface of the fixed plate, a supporting mechanism for supporting an electric vehicle wheel chassis is arranged on the lifting mechanism, a driving mechanism is arranged on the lifting mechanism, a limiting mechanism for limiting the lifting mechanism is arranged on the driving mechanism, a braking mechanism is arranged between the lifting mechanism and the traveling mechanism, and an oil collecting mechanism is arranged on the fixed plate;

the lifting mechanism comprises a supporting shell, a fixedly connected supporting shell is arranged at the center of the surface of the fixing plate, a containing groove is formed in the supporting shell, a toothed plate is connected to the containing groove in the supporting shell in a sliding mode, the side wall of the toothed plate is arranged at the same distance from the toothed groove, a driving mechanism comprises a shell, the side wall of the supporting shell is fixed with a shell, side grooves are formed in the side wall of the shell, two side faces of the shell are oppositely provided with movable grooves with arc-shaped structures, two movable grooves are connected with a fixing shaft in a sliding mode, a driving disc with a fan-shaped structure is fixed on the fixing shaft, the driving disc is meshed with the toothed groove in the toothed plate, and a first pressing rod penetrating through the side grooves is fixedly connected to the fixing shaft.

Specifically, the height of the shell is smaller than that of the support shell, and the side surface of the support shell is of a U-shaped structure.

Specifically, the driving mechanism further comprises a second pressing rod, a bolt and a helical gear, the second pressing rod is fixedly connected to the first pressing rod through the bolt matched with the nut, the helical gear is fixedly connected to the opposite side faces of the second pressing rod and the first pressing rod, and the helical gear on the second pressing rod and the helical gear on the first pressing rod are meshed.

Specifically, the supporting mechanism includes second branch, the top of pinion rack is fixed with and accomodates the gliding second branch in groove, the overhead tank that the cross-section is "protruding" font structure is seted up at the top of pinion rack, have the first branch that sets up with second branch relatively through slider sliding connection on the overhead tank.

Specifically, the supporting mechanism still includes two layer boards, the layer board that the equal fixedly connected with side of top of first branch and second branch is the arc structure, the top parallel and level of first branch and second branch.

Specifically, stop gear includes interior axle, the inner wall of casing rotates and is connected with interior axle, is located rotate on the interior axle of casing and is connected with the spacing limiting plate to the pinion rack, limiting plate and pinion rack lock, the outside of casing is run through to the one end of limiting plate, be fixed with the protecting crust that the side is "U" font structure on the casing, the centre gripping has the spring between protecting crust and the limiting plate.

Specifically, the cross section of the limiting plate is of a Z-shaped structure, and the end part of the limiting plate is parallel to the tooth socket.

Specifically, running gear includes two supports, two supports of the both sides fixedly connected with of fixed plate, two all rotate through the axletree on the support and be connected with two sets of gyro wheels, and two equal two sets of protection casing to the gyro wheel protection of fixedly connected with on the support.

Specifically, arrestment mechanism includes the side opening, the side opening has been seted up to the side of support shell, the side fixedly connected with of pinion rack runs through the side lever of side opening, the bottom of side lever is fixed with the rubber band that runs through the support, is located fixedly connected with connecting plate on the rubber band of support bottom, two fixedly connected with's cardboard between two and the support on the connecting plate, fixedly connected with baffle on the cardboard, two the gear shaft of equal fixedly connected with and cardboard conflict on the axletree.

Specifically, the oil collecting mechanism comprises a containing opening, the containing opening is formed in the fixing plate, an oil disc is connected to the containing opening in a sliding mode, and a handle groove is formed in the side face of the oil disc.

The invention has the beneficial effects that:

(1) according to the lifting maintenance equipment for electric vehicle maintenance, the lifting mechanism is mounted on the fixing plate, when the rear wheel tire of the electric vehicle needs to be replaced, the whole structure is moved to the bottom of the battery car, the supporting mechanism is guaranteed to correspond to the bottom frame of the electric vehicle, the driving mechanism is repeatedly pressed and lifted, the driving mechanism is enabled to extend out of the lifting mechanism, the supporting mechanism further supports against the bottom frame of the tire of the electric vehicle, the driving mechanism is continuously pressed to separate the rear wheel of the electric vehicle from the ground, the electric vehicle is lifted, the phenomenon that a chassis support of the electric vehicle blocks the operation of maintenance personnel is avoided, and the maintenance and replacement of the tire are facilitated; namely: when the rear tire of the electric vehicle is replaced, the integral structure is moved to the bottom of an underframe of the electric vehicle, two support plates on a first support rod and a second support rod are ensured to correspond to the underframe at the bottom of the electric vehicle, a second pressure rod is held to move a fixed shaft to the lowest end of a movable groove, a driving disc is ensured to be meshed with a toothed plate, the second pressure rod is further pressed to drive the first pressure rod to move together, the driving disc drives the toothed plate inside a supporting shell to extend out, the limiting plate limits the toothed plate at the moment, the toothed plate is prevented from resetting, the fixed shaft is moved to the highest end of the movable groove, the second pressure rod is pulled to separate the driving disc from the toothed plate, the driving disc can be aligned with the toothed plate again, the top of the driving disc is meshed with the toothed plate, the fixed shaft is moved to the lowest end of the movable groove at the moment, and the driving disc is pressed again to lift the toothed plate, so when pressing the second depression bar once more after the chassis of layer board and electric motor car supports, realized that the layer board carries out the lifting to the electric motor car chassis, the wheel and the ground separation of final electric motor car, do benefit to maintenance personal and change the tire, and the support frame of electric motor car can not block the maintenance, when layer board and electric motor car chassis counterpoint, first bracing piece can move on the pinion rack through slider cooperation apical trough, do benefit to the electric motor car chassis to different models and support, can loosen the bolt and adjust the angle between first depression bar and the second depression bar through the meshing position of two helical gears, do benefit to pressing of driving-disc.

(2) According to the lifting maintenance equipment for electric vehicle maintenance, the limiting mechanism is arranged on the driving mechanism, the limiting mechanism can automatically limit the lifting mechanism when the driving mechanism drives the lifting mechanism to rise, the lifting mechanism is prevented from slipping, the maintenance safety is guaranteed, after the maintenance is finished, the bracket tramples the limiting mechanism, deviates from the lifting mechanism and pulls the driving mechanism, and the lifting mechanism can be reset and does not support the electric vehicle any more; the operation is simple; namely: because limiting plate and interior rotation of axes when pressing the second depression bar, and be equipped with the spring between limiting plate and the fixed plate, so realized the pinion rack when supporting the inside removal of shell, the limiting plate jumps the tooth on the tooth's socket on the pinion rack one by one, and then realized that the limiting plate is spacing to the pinion rack all the time, so guaranteed can not the slippage when supporting the electric motor car chassis, security when overhauing has been guaranteed, after the tire overhaul to the electric motor car is accomplished, the maintainer presses the inside limiting plate of protective housing with the foot, the spring shrink has been realized, the tip of further limiting plate withdraws from the tooth's socket of pinion rack lateral wall is inside, the limiting plate is no longer spacing to the pinion rack, do benefit to first branch, take out of second branch.

(3) According to the lifting maintenance equipment for maintaining the electric vehicle, the lifting mechanism is provided with the braking mechanism, when the lifting mechanism is lifted by the driving mechanism to drive the supporting mechanism to support the chassis of the electric vehicle, the lifting mechanism drives the braking mechanism to limit the travelling mechanism on the support, so that the risk that the storage battery vehicle falls down due to the sliding of the travelling mechanism when a maintenance worker replaces a tire is avoided; namely: when overall structure takes, can remove overall structure through holding second depression bar cooperation gyro wheel, it is more laborsaving when making overall structure take, then the pinion rack promotes when pressing down second depression bar drive-disc pivoted, so when the inside pinion rack of support housing rises, the side lever rises thereupon, when the pinion rack rises to a position, the rubber band atress, so the connecting plate removes to the bottom direction of support, and then the connecting plate drives two cardboards and removes to the inside of support simultaneously, and two cardboards are simultaneously to two epaxial tooth axles locks, two gyro wheels no longer roll this moment, avoid overall structure slip to cause the electric motor car pinion rack to fall down, fall down to reset after overhauing, so the rubber band resets, cardboard and tooth axle separation, the baffle is spacing to the cardboard, avoid dropping.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of a lifting maintenance device for electric vehicle maintenance according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the first support rod, the second support rod, the bolt and the bevel gear according to the present invention;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 1;

fig. 5 is a schematic view of a connection structure of the fixing plate, the bracket, the supporting shell, the toothed plate, the second supporting rod, the supporting plate, the housing, the second pressing rod and the limiting plate according to the present invention;

FIG. 6 is an enlarged view of the structure of the portion C shown in FIG. 5;

FIG. 7 is an enlarged view of the structure of the portion D shown in FIG. 5;

fig. 8 is a schematic view of the connection structure of the fixing plate, the bracket, the toothed plate of the supporting shell, the top groove, the sliding block, the first supporting rod and the second supporting rod of the present invention;

fig. 9 is an enlarged view of the structure of the portion E shown in fig. 8.

In the figure: 1. a fixing plate; 2. a traveling mechanism; 201. a support; 202. a roller; 203. an axle; 204. a protective cover; 3. a drive mechanism; 301. a housing; 302. a movable groove; 303. a fixed shaft; 304. a side groove; 305. a first pressure lever; 306. a second compression bar; 307. a bolt; 308. a helical gear; 309. a drive disc; 4. a limiting mechanism; 401. a limiting plate; 402. a protective shell; 403. a spring; 404. an inner shaft; 5. a lifting mechanism; 501. a receiving groove; 502. a support housing; 503. a toothed plate; 504. a tooth socket; 6. a support mechanism; 601. a first support bar; 602. a second support bar; 603. a support plate; 604. a top groove; 605. a slider; 7. a brake mechanism; 701. a side hole; 702. a side lever; 703. a rubber band; 704. clamping a plate; 705. a baffle plate; 706. a connecting plate; 707. a gear shaft; 8. an oil receiving mechanism; 801. a receiving opening; 802. an oil pan; 803. a handle slot.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the lifting maintenance device for electric vehicle maintenance according to the present invention includes a fixing plate 1, a traveling mechanism 2 for driving the entire structure to move is disposed on the fixing plate 1, a lifting mechanism 5 is mounted at the center of the surface of the fixing plate 1, a supporting mechanism 6 for supporting the chassis of the wheels of the electric vehicle is disposed on the lifting mechanism 5, a driving mechanism 3 is disposed on the lifting mechanism 5, a limiting mechanism 4 for limiting the lifting mechanism 5 is disposed on the driving mechanism 3, a braking mechanism 7 is disposed between the lifting mechanism 5 and the traveling mechanism 2, and an oil collecting mechanism 8 is disposed on the fixing plate 1;

specifically, the lifting mechanism 5 includes a supporting shell 502, a supporting shell 502 is fixedly connected to the center of the surface of the fixing plate 1, a receiving groove 501 is formed in the supporting shell 502, a toothed plate 503 is slidably connected to the receiving groove 501 of the supporting shell 502, toothed grooves 504 are equidistantly formed in the side wall of the toothed plate 503, the driving mechanism 3 includes a housing 301, a housing 301 is fixed to the side wall of the supporting shell 502, a side groove 304 is formed in the side wall of the housing 301, two side surfaces of the housing 301 are oppositely provided with movable grooves 302 of an arc structure, a fixing shaft 303 is slidably connected between the two movable grooves 302, a driving disc 309 of a sector structure is fixed to the fixing shaft 303, the driving disc 309 is engaged with the toothed groove 504 of the toothed plate 503, a first pressing rod 305 penetrating through the side groove 304 is fixedly connected to the fixing shaft 303, and the height of the housing 301 is smaller than the height of the supporting shell 502, the side surface of the supporting shell 502 is of a U-shaped structure; the driving mechanism 3 further comprises a second pressing rod 306, a bolt 307 and a helical gear 308, the first pressing rod 305 is fixedly connected with the second pressing rod 306 through the bolt 307 in a matching manner with a nut, the helical gear 308 is fixedly connected to both the opposite side surfaces of the second pressing rod 306 and the first pressing rod 305, the second pressing rod 306 and the helical gear 308 on the first pressing rod 305 are meshed with the supporting mechanism 6 and comprise a second supporting rod 602, a second supporting rod 602 sliding with the accommodating groove 501 is fixed to the top of the toothed plate 503, a top groove 604 with a cross section in a convex structure is formed in the top of the toothed plate 503, and the first supporting rod 601 arranged opposite to the second supporting rod 602 is connected to the top groove 604 in a sliding manner through a sliding block 605; the supporting mechanism 6 further comprises two supporting plates 603, the top parts of the first supporting rod 601 and the second supporting rod 602 are fixedly connected with the supporting plates 603 with arc-shaped side surfaces, and the top parts of the first supporting rod 601 and the second supporting rod 602 are flush; when the rear tire of the electric vehicle is replaced, the whole structure is moved to the bottom of the underframe of the electric vehicle, the two supporting plates 603 on the first supporting rod 601 and the second supporting rod 602 correspond to the underframe of the bottom of the electric vehicle, the second pressing rod 306 is held to move the fixed shaft 303 to the lowest end of the movable groove 302, the driving disc 309 is meshed with the toothed plate 503, the second pressing rod 306 is further pressed to drive the first pressing rod 305 to move together, the driving disc 309 drives the toothed plate 503 inside the supporting shell 502 to extend out, at this time, the limiting plate 401 limits the toothed plate 503, the toothed plate 503 is prevented from resetting, the fixed shaft 303 is moved to the highest end of the movable groove 302, the driving disc 309 is separated from the toothed plate 503 by pulling the second pressing rod 306, and the driving disc 309 can be aligned with the toothed plate 503 again, the top of the driving disc 309 is engaged with the toothed plate 503, at this time, the fixed shaft 303 moves to the bottommost part of the movable groove 302 again, and the second pressing rod 306 is pressed again, so that the driving disc 309 lifts the toothed plate 503 again, when the second pressing rod 306 is pressed again after the supporting plate 603 is abutted against the bottom frame of the electric vehicle, the supporting plate 603 lifts the bottom frame of the electric vehicle, finally the wheels of the electric vehicle are separated from the ground, so that a maintenance worker can replace tires, and the supporting frame of the electric vehicle cannot block the maintenance, when the supporting plate 603 is aligned with the bottom frame of the electric vehicle, the first supporting rod 601 can move on the toothed plate 503 by matching the top groove 604 through the sliding block 605, so that the bottom frames of the electric vehicles of different models can be supported, the bolt 307 can be loosened, and the angle between the first pressing rod 305 and the second pressing rod 306 can be adjusted through the engagement positions of the two bevel gears 308, facilitating the pressing of said driving disc 309.

The limiting mechanism 4 comprises an inner shaft 404, the inner wall of the shell 301 is rotatably connected with the inner shaft 404, the inner shaft 404 positioned inside the shell 301 is rotatably connected with a limiting plate 401 limiting a toothed plate 503, the limiting plate 401 is buckled with the toothed plate 503, one end of the limiting plate 401 penetrates through the outer side of the shell 301, a protective shell 402 with a U-shaped side surface is fixed on the shell 301, a spring 403 is clamped between the protective shell 402 and the limiting plate 401, the section of the limiting plate 401 is in a Z-shaped structure, and the end part of the limiting plate 401 is parallel to the toothed groove 504; when the second pressing rod 306 is pressed, due to the fact that the limiting plate 401 and the inner shaft 404 rotate, and the spring 403 is arranged between the limiting plate 401 and the fixing plate 1, when the toothed plate 503 moves inside the supporting shell 502, the limiting plate 401 jumps teeth one by one on the toothed groove 504 on the toothed plate 503 one by one, and further the limiting plate 401 is enabled to limit the toothed plate 503 all the time, so that the underframe of the electric vehicle is guaranteed not to slip when being supported, the safety during maintenance is guaranteed, after the maintenance of the tire of the electric vehicle is completed, a maintenance worker presses the limiting plate 401 inside the protective shell 402 with feet, the spring 403 contracts, the end portion of the limiting plate 401 further withdraws from the toothed groove 504 on the side wall of the toothed plate 503, and the limiting plate 401 does not limit the toothed plate 503 any more, the first support rod 601 and the second support rod 602 are taken out conveniently.

Specifically, the traveling mechanism 2 includes two brackets 201, two brackets 201 are fixedly connected to two sides of the fixing plate 1, two sets of rollers 202 are rotatably connected to the two brackets 201 through axles 203, and two sets of protective covers 204 for protecting the rollers 202 are fixedly connected to the two brackets 201; the braking mechanism 7 comprises a side hole 701, the side surface of the support shell 502 is provided with the side hole 701, the side surface of the toothed plate 503 is fixedly connected with a side rod 702 penetrating through the side hole 701, the bottom of the side rod 702 is fixedly provided with a rubber band 703 penetrating through the support 201, a connecting plate 706 is fixedly connected to the rubber band 703 at the bottom of the support 201, two clamping plates 704 slidably connected with the support 201 are fixedly connected to the connecting plate 706, a baffle 705 is fixedly connected to each clamping plate 704, and a gear shaft 707 abutting against each clamping plate 704 is fixedly connected to each axle 203; when the integral structure is taken, the second pressing rod 306 can be held to be matched with the roller 202 to move the integral structure, so that the taking of the integral structure is more labor-saving, when the second pressing rod 306 is pressed to drive the driving disc 309 to rotate, the toothed plate 503 is lifted, when the toothed plate 503 in the supporting shell 502 is lifted, the side rod 702 is lifted along with the toothed plate, when the toothed plate 503 is lifted to a certain position, the rubber band 703 is stressed, the connecting plate 706 moves towards the bottom direction of the support 201, the connecting plate 706 drives the two clamping plates 704 to simultaneously move towards the inside of the support 201, the two clamping plates 704 are simultaneously buckled with the toothed shafts 707 on the two axles 203, at the moment, the two rollers 202 do not roll any more, the phenomenon that the integral structure slides to cause the fall of the electric vehicle is avoided, and the toothed plate 503 is reset after the maintenance is finished, then the rubber band 703 is reset, the snap-gauge 704 is separated from the gear shaft 707, and the baffle 705 limits the snap-gauge 704 to avoid dropping.

Specifically, the oil receiving mechanism 8 comprises a receiving opening 801, the fixing plate 1 is provided with the receiving opening 801, the receiving opening 801 is connected with an oil pan 802 in a sliding manner, and a handle groove 803 is formed in the side surface of the oil pan 802; when brushing oil and entitling to a chain of an electric vehicle or an output shaft of a motor, the oil pan 802 on the fixing plate 1 can be corresponding to a position where the motor needs to be brushed, so that the dripping lubricating oil directly falls onto the oil pan 802 during brushing oil, the floor pollution is avoided, the handle groove 803 can be held when the oil pan 802 is cleaned, and the oil pan 802 is pulled out from the fixing plate 1, so that the operation is simple.

When the electric vehicle rear tire replacement device is used, firstly, when the rear tire of the electric vehicle is replaced, the integral structure is moved to the bottom of the bottom frame of the electric vehicle, the two supporting plates 603 on the first supporting rod 601 and the second supporting rod 602 are ensured to correspond to the bottom frame of the bottom of the electric vehicle, the second pressing rod 306 is held to move the fixed shaft 303 to the lowest end of the movable groove 302, the driving disc 309 is ensured to be meshed with the toothed plate 503, the second pressing rod 306 is further pressed to drive the first pressing rod 305 to move together, further, the driving disc 309 drives the toothed plate 503 inside the supporting shell 502 to extend out, at the moment, the limiting plate 401 limits the toothed plate 503, the toothed plate 503 is prevented from resetting, the fixed shaft 303 is moved to the highest end of the movable groove 302, the second pressing rod 306 is pulled to separate the driving disc 309 from the toothed plate 503, the driving disc 309 can be aligned with the toothed plate 503 again, the opposite top of the driving disc 309 is meshed with the toothed plate 503, at the opposite end of the toothed plate 503, at the moment, the fixed shaft 303 moves to the lowest end of the movable groove 302 again, the driving disc 309 is pressed again to lift the toothed plate 503, when the supporting plate 603 is pressed again after being abutted against the underframe of the electric vehicle, the supporting plate 603 is lifted up the underframe of the electric vehicle, finally wheels of the electric vehicle are separated from the ground, a maintenance worker can replace tires, a supporting frame of the electric vehicle cannot block maintenance, when the supporting plate 603 is aligned with the underframe of the electric vehicle, the first supporting rod 601 can move on the toothed plate 503 by matching the sliding block 605 with the top groove 604, supporting of the underframe of the electric vehicle with different models is facilitated, the bolt 307 can be loosened, the angle between the first pressing rod 305 and the second pressing rod 306 can be adjusted through the meshing position of the two bevel gears 308, and pressing of the driving disc 309 is facilitated; when the second pressure lever 306 is pressed, the limiting plate 401 and the inner shaft 404 rotate, and the spring 403 is arranged between the limiting plate 401 and the fixing plate 1, so that when the toothed plate 503 moves in the supporting shell 502, the limiting plate 401 jumps one by one on the toothed groove 504 on the toothed plate 503 one by one, and the limiting plate 401 is limited all the time, so that the underframe of the electric vehicle is prevented from slipping when being supported, and the safety during maintenance is ensured; then, when the overall structure is taken, the overall structure can be moved by holding the second pressing rod 306 and matching with the roller 202, so that the overall structure is taken more labor-saving, when the second pressing rod 306 is pressed to drive the driving disk 309 to rotate, the toothed plate 503 is lifted, when the toothed plate 503 in the supporting shell 502 is lifted, the side rod 702 is lifted, when the toothed plate 503 is lifted to a certain position, the rubber band 703 is stressed, the connecting plate 706 moves towards the bottom direction of the bracket 201, the connecting plate 706 drives the two clamping plates 704 to move towards the inside of the bracket 201, the two clamping plates 704 are buckled with the toothed shafts 707 on the two axles 203 simultaneously, at the moment, the two rollers 202 do not roll any more, the phenomenon that the electric vehicle falls down due to the sliding of the overall structure is avoided, the toothed plate 704 is reset after the maintenance is finished, the rubber band 703 is reset, the clamping plates are separated from the toothed shafts 707, the baffle 705 limits the clamping plates 704, the falling is avoided; finally, when carrying out brushing oil to the chain of electric motor car or motor output shaft and entitling, can correspond with the food tray 802 on fixed plate 1 and the motor department of need brushing oil, the lubricating oil of drippage directly drops on food tray 802 when brushing oil so, has avoided polluting ground, can hold handle groove 803 when clearing up food tray 802, with food tray 802 from fixed plate 1 take out can, easy operation.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The lifting maintenance equipment for maintaining the electric vehicle is characterized by comprising a fixing plate (1), wherein a traveling mechanism (2) for driving the whole structure to move is arranged on the fixing plate (1), a lifting mechanism (5) is installed at the center of the surface of the fixing plate (1), a supporting mechanism (6) for supporting a chassis of a wheel of the electric vehicle is arranged on the lifting mechanism (5), a driving mechanism (3) is arranged on the lifting mechanism (5), a limiting mechanism (4) for limiting the lifting mechanism (5) is arranged on the driving mechanism (3), a braking mechanism (7) is arranged between the lifting mechanism (5) and the traveling mechanism (2), and an oil collecting mechanism (8) is arranged on the fixing plate (1);

the lifting mechanism (5) comprises a supporting shell (502), the supporting shell (502) is fixedly connected to the center of the surface of the fixing plate (1), a containing groove (501) is formed in the supporting shell (502), a toothed plate (503) is slidably connected to the containing groove (501) in the supporting shell (502), tooth grooves (504) are formed in the side wall of the toothed plate (503) at equal intervals, the driving mechanism (3) comprises a shell (301), a shell (301) is fixed to the side wall of the supporting shell (502), side grooves (304) are formed in the side wall of the shell (301), two movable grooves (302) with arc structures are oppositely formed in two side faces of the shell (301), a fixing shaft (303) is slidably connected between the movable grooves (302), a driving disc (309) with a sector structure is fixed to the fixing shaft (303), and the driving disc (309) is meshed with the tooth grooves (504) in the toothed plate (503), and a first pressure lever (305) penetrating through the side groove (304) is fixedly connected to the fixed shaft (303).

2. The lifting maintenance device for electric vehicle maintenance of claim 1, wherein: the height of the shell (301) is less than that of the support shell (502), and the side surface of the support shell (502) is of a U-shaped structure.

3. The lifting maintenance device for electric vehicle maintenance of claim 1, wherein: the driving mechanism (3) further comprises a second pressing rod (306), a bolt (307) and a bevel gear (308), the first pressing rod (305) is fixedly connected with the second pressing rod (306) through the bolt (307) and a nut, the bevel gear (308) is fixedly connected to the opposite side surfaces of the second pressing rod (306) and the first pressing rod (305), and the second pressing rod (306) is meshed with the bevel gear (308) on the first pressing rod (305).

4. The lifting maintenance device for electric vehicle maintenance of claim 1, wherein: supporting mechanism (6) include second branch (602), the top of pinion rack (503) is fixed with and accomodates gliding second branch (602) of groove (501), apical groove (604) that the cross-section is "protruding" font structure are seted up to the top of pinion rack (503), have first branch (601) that set up with second branch (602) relatively through slider (605) sliding connection on apical groove (604).

5. The lifting service device of claim 4, wherein: the supporting mechanism (6) further comprises two supporting plates (603), the side surfaces of the first supporting rod (601) and the top of the second supporting rod (602) are fixedly connected with the supporting plates (603) of an arc-shaped structure, and the first supporting rod (601) is flush with the top of the second supporting rod (602).

6. The lifting maintenance device for electric vehicle maintenance of claim 1, wherein: stop gear (4) are including interior axle (404), the inner wall of casing (301) rotates and is connected with interior axle (404), is located rotate on the inside interior axle (404) of casing (301) and is connected with spacing limiting plate (401) to pinion rack (503), limiting plate (401) and pinion rack (503) lock, the outside of casing (301) is run through to the one end of limiting plate (401), be fixed with protecting crust (402) that the side is "U" font structure on casing (301), the centre gripping has spring (403) between protecting crust (402) and limiting plate (401).

7. The lift service equipment of claim 6, wherein: the cross section of the limiting plate (401) is of a Z-shaped structure, and the end part of the limiting plate (401) is parallel to the tooth groove (504).

8. The lifting maintenance device for electric vehicle maintenance of claim 1, wherein: running gear (2) include two supports (201), two supports (201) of the both sides fixedly connected with of fixed plate (1), two all be connected with two sets of gyro wheels (202) through axletree (203) rotation on support (201), and two equal fixedly connected with two sets of protection casing (204) to gyro wheel (202) protection on support (201).

9. The lifting service device of claim 8, wherein: braking mechanism (7) include side opening (701), side opening (701) have been seted up to the side of support shell (502), the side fixedly connected with of pinion rack (503) runs through side lever (702) of side opening (701), the bottom of side lever (702) is fixed with rubber band (703) that runs through support (201), is located fixedly connected with connecting plate (706) is gone up in rubber band (703) of support (201) bottom, on connecting plate (706) two fixedly connected with and support (201) between sliding connection's cardboard (704), fixedly connected with baffle (705) on cardboard (704), two equal fixedly connected with and toothed shaft (707) that cardboard (704) contradict on axletree (203).

10. The lifting maintenance device for electric vehicle maintenance of claim 1, wherein: the oil receiving mechanism (8) comprises a receiving opening (801), the fixing plate (1) is provided with the receiving opening (801), an oil pan (802) is connected to the receiving opening (801) in a sliding mode, and a handle groove (803) is formed in the side face of the oil pan (802).