CN114772499A - Vehicle engineering electric power detection maintenance platform - Google Patents

Abstract

The invention relates to a maintenance platform, in particular to a vehicle engineering power detection maintenance platform. The invention provides a vehicle engineering power detection maintenance platform which can detect voltage and has a storage function. The utility model provides a vehicle engineering electric power detects maintenance platform, including the underframe, a supporting plate, the biax motor, belt pulley and screw shaft etc, the underframe top is equipped with the backup pad, symmetry biax motor around the left side in the underframe, biax motor downside output shaft all links to each other with the underframe in the bottom rotary type, all be connected with the screw shaft on the output shaft of biax motor upside, symmetry rotary type also is equipped with the screw shaft around the bottom right side in the underframe, the equal rigid coupling of two screw shaft downside of right side has the belt pulley, also equal rigid coupling has the belt pulley on the output shaft of biax motor downside. Through placing the instrument in placing the frame, when overhauing the car to people's use of taking need not to carry the toolbox in addition, and is more convenient.

Description

A vehicle engineering power detection and maintenance platform

technical field

The invention relates to a maintenance platform, in particular to a vehicle engineering electric power inspection and maintenance platform.

Background technique

With the continuous improvement of people's quality of life, the car as a means of transportation has gradually spread to every family. When the car breaks down, the car needs to be sent to the repair shop for overhaul. The maintenance platform will be used to assist maintenance personnel to complete the maintenance of the car.

A vehicle engineering inspection and maintenance platform with a division number of CN211846994U and an application number of CN202020253197.0 belongs to the field of vehicle maintenance platforms, and includes two sets of parallel top plates and a lifting fork frame supported at the bottom of the top plate; There are respectively fixed inclined panels for the vehicle to travel, and a support plate is respectively fixed on the opposite sides of the two top panels. The left and right sides of each support plate are provided with support columns for supporting the support plates, and the bottom of the support columns is fixed A slider is connected, and the two sliders located on the same side are jointly threaded with a screw shaft located under the support plate. The thread is fitted on the threaded part of the corresponding side, one end of the screw shaft is connected to the forward and reverse rotation motor, and one side of the screw shaft is provided with a guide rod parallel to it, and the guide rod penetrates the slide of the corresponding side. piece. The invention can realize the double supporting effect on the top plate, and has strong safety performance. Although the lifting patent can achieve double support for the top plate, this patent can only lift the vehicle upwards, and more tools are needed when the vehicle is overhauled. A special storage box needs to be used for storage, and it needs to be carried during maintenance. It is relatively inconvenient, and the vehicle is more prone to power problems. It is often necessary to detect the voltage during maintenance. The operation of the maintenance platform needs to be assisted by other equipment, which is not flexible and convenient to use.

In view of the above problems, further improvements are made to the maintenance platform in this area, and it is necessary to design a vehicle engineering power detection and maintenance platform that can detect voltage and has a storage function.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings of the existing maintenance platform, which is inconvenient to store tools and cannot detect the voltage of automobile devices, the technical problem to be solved is to provide a vehicle engineering power detection and maintenance platform that can detect the voltage and has a storage function.

The technical scheme is: a vehicle engineering electric power inspection and maintenance platform, including a bottom frame, a support plate, a double-shaft motor, a pulley, a flat belt, a threaded shaft, a lifting frame, a protective plate, a maintenance mechanism and a clamping mechanism, and the top of the bottom frame is provided with There is a support plate, and the left side of the bottom frame is symmetrical with two-axis motors. The lower output shafts of the two-axis motor are connected to the bottom of the bottom frame in a rotary manner. The upper output shafts of the two-axis motor are connected with threaded shafts. The bottom of the bottom frame The front and rear symmetrical rotary type on the right side is also provided with threaded shafts. The lower sides of the two threaded shafts on the right are fixed with pulleys, and the output shafts on the lower side of the biaxial motor are also fixed with pulleys. The two pulleys on the side are covered with flat belts, and the two threaded shafts on the front side and the two threaded shafts on the rear side are provided with a threaded lifting frame. There is a maintenance mechanism inside, and the maintenance mechanism is provided with a clamping mechanism for fixing.

Further, the maintenance mechanism includes a mounting frame, a placing frame, a partition and a circuit detector. The inner bottom of the bottom frame is fixedly fixed with a mounting frame symmetrically at the front and rear, and a placing frame is fixed on the mounting frame. Below the board, four partitions are evenly arranged in the placement frame for easy classification, and a circuit tester is installed on the left side of the placement frame.

Further, the clamping mechanism includes a connecting rod, a clamping rod, a return spring, a sliding rod, a compression spring and a connecting piece, the front and rear sides of the support plate are slidably provided with a connecting rod, and the lower part of the connecting rod is fixedly connected with a clamping position. There are inclined surfaces on the left and right sides of the clamping rod. The clamping rods are located inside the bottom frame. A return spring is connected between the clamping rod and the support plate. The downward movement can be in contact with the similar clamping rod, the left and right sides of the sliding rod and the adjacent mounting brackets are connected with compression springs, the left and right sides of the sliding rod are rotatably provided with connecting pieces, and the two connections at the front The two connecting pieces at the rear are connected to the adjacent fenders in a rotatable manner.

Further, it also includes a limit mechanism. The limit mechanism includes a guide block, an arc plate, a push rod and a connecting shaft. The right side of the inner bottom of the bottom frame is fixed with a guide block symmetrically front and rear, and the guide blocks are slidably provided with a push rod. The two lifting frames move upward and can contact with the adjacent push rods. The push rods are fixedly connected with arc-shaped plates, and a connecting shaft is connected between the two arc-shaped plates.

Further, a positioning mechanism is also included. The positioning mechanism includes a guide frame, a positioning plate, a tension spring and a roller. The left side of the arc plate is fixed with a guide frame, and the guide frame is slidably provided with a positioning plate. The plates are all in contact with the adjacent lifting frames, the positioning plates and the adjacent guide frames are connected with tension springs, the positioning plates are all rotatable with rollers, and the arc-shaped plates are also rotated with two rollers at intervals. axis.

Further, it also includes a detection mechanism capable of detecting the rotation speed of the front wheel of the automobile. The detection mechanism includes a display panel and a rotation speed sensor. The rotation speed sensor is fixed on the positioning plate, and the rotation speed sensor is in contact with the similar roller. There is a display board on the right side, and both speed sensors are electrically connected to the display board.

Further, it also includes a sliding mechanism. The sliding mechanism includes a fixed plate, a rotating shaft, a rotating plate, a torsion spring and a lower pressing plate. A fixed plate is fixedly connected to the left side of the top of the bottom frame. The upper rotating type is provided with a rotating plate, and a torsion spring is connected between the front and rear sides of the lower part of the rotating plate and the fixed plate, and the torsion springs are all sleeved on the rotating shaft. The front and rear sides of the side are provided with two guide grooves, and the rotating plates are all slidably connected with the two adjacent guide grooves.

Further, the connecting rod is made of fluorescent material.

Beneficial effects of the present invention: 1. By placing the tool in the placing frame, it is more convenient for people to take and use when the vehicle is overhauled, without the need to carry a toolbox;

2. The circuit detector can detect whether the internal components of the car have electricity, and at the same time know the voltage value, so that people can repair the power part of the car without the help of other equipment;

3. The tool and the circuit detector can be protected by the protective plate, and the protective plate can be retracted into the bottom frame by rotating and opening, so as to avoid people from tripping, and it is safer;

4. The curved plate can limit the front wheel of the car, so that the car can be accurately parked on the support plate, so that the lifting frame can lift the car up;

5. The left and right sides of the front wheel of the car can be wrapped by the positioning plate and the curved plate. By driving the front wheel of the car to rotate, the front wheel of the car can be rotated in place, so that people can detect whether there is a problem with the driving of the car, and the speed sensor can detect the car. Whether the speed of the front wheel is consistent with the speedometer, and improve the quality of maintenance;

6. Under the action of the rotating plate and the lower pressing plate, it can assist the car to drive to the support plate to avoid scratches on the chassis of the car.

Description of drawings

FIG. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Figure 2 is a partial cross-sectional view of the present invention.

FIG. 3 is a schematic diagram of a partial three-dimensional structure of the present invention.

FIG. 4 is a schematic diagram of the three-dimensional structure of the maintenance mechanism of the present invention.

FIG. 5 is a schematic diagram of the partial three-dimensional structure of the maintenance mechanism of the present invention.

FIG. 6 is a schematic three-dimensional structure diagram of the locking mechanism of the present invention.

FIG. 7 is a schematic diagram of a partial three-dimensional structure of the latching mechanism of the present invention.

FIG. 8 is a schematic diagram of the first partial three-dimensional structure of the limiting mechanism of the present invention.

FIG. 9 is a schematic diagram of a second partial three-dimensional structure of the limiting mechanism of the present invention.

FIG. 10 is a schematic three-dimensional structure diagram of the positioning mechanism of the present invention.

FIG. 11 is a schematic diagram of the partial three-dimensional structure of the positioning mechanism of the present invention.

FIG. 12 is a schematic three-dimensional structure diagram of the detection mechanism of the present invention.

FIG. 13 is a schematic diagram of the partial three-dimensional structure of the detection mechanism of the present invention.

FIG. 14 is a schematic diagram of the first three-dimensional structure of the sliding mechanism of the present invention.

FIG. 15 is a schematic diagram of the second three-dimensional structure of the sliding mechanism of the present invention.

Reference number: 1_ bottom frame, 2_ support plate, 3_ motor, 4_ pulley, 5_ flat belt, 6_ threaded shaft, 7_ lift frame, 8_ guard plate, 10_ maintenance mechanism, 100_ installation Rack, 101_placement frame, 102_clapboard, 103_circuit detector, 11_positioning mechanism, 110_connecting rod, 111_positioning rod, 112_return spring, 113_sliding rod, 114_extrusion spring , 115_connector, 12_limiting mechanism, 120_guide block, 121_arc plate, 122_push rod, 123_connecting shaft, 13_positioning mechanism, 130_guide frame, 131_positioning plate, 132_ Tension spring, 133_roller, 14_detection mechanism, 140_display panel, 141_speed sensor, 15_sliding mechanism, 150_fixed plate, 151_rotating shaft, 152_rotating plate, 153_torsion spring, 154 _Lower platen, 155_Guide groove.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and embodiments.

Example 1

A vehicle engineering power inspection and maintenance platform, shown in Figures 1-3, includes a bottom frame 1, a support plate 2, a dual-shaft motor 3, a pulley 4, a flat belt 5, a threaded shaft 6, a lifting frame 7, and a protective plate 8. The maintenance mechanism 10 and the locking mechanism 11, the top of the bottom frame 1 is fixed with a support plate 2 for placing the vehicle, the left side of the bottom frame 1 is symmetrical with a front-to-back biaxial motor 3, and the lower output shaft of the biaxial motor 3 is connected to the bottom. The inner bottom of frame 1 is rotatably connected, the upper output shaft of biaxial motor 3 is connected with a threaded shaft 6, the inner bottom of bottom frame 1 is also provided with a threaded shaft 6 in a front-to-back symmetrical rotation on the right side, and two threaded shafts 6 on the right side The lower side is connected with a pulley 4, and the lower output shaft of the biaxial motor 3 is also connected with a pulley 4. The two pulleys 4 on the front side and the two pulleys 4 on the rear side are covered with flat belts 5. Between the two threaded shafts 6 and the two threaded shafts 6 on the rear side are threadedly provided with a lifting frame 7 capable of jacking up the car, the support plate 2 is symmetrically clamped with a protective plate 8 in the front and rear, and the bottom frame 1 is provided with The maintenance mechanism 10 capable of detecting the voltage of the internal device of the automobile is provided with a clamping mechanism 11 on the maintenance mechanism 10 .

As shown in FIG. 2, FIG. 4 and FIG. 5, the maintenance mechanism 10 includes a mounting frame 100, a placing frame 101, a partition 102 and a circuit detector 103, and the inner bottom of the bottom frame 1 is symmetrically connected to the mounting frame 100 through screws. The mounting frame 100 is welded with placing frames 101 for placing tools. The placing frames 101 are all located below the adjacent protective plates 8. The placing frames 101 are evenly provided with four partitions 102 capable of isolating tools of different types. A circuit tester 103 capable of voltage detection is installed on the left side of the placement frame 101 .

As shown in FIGS. 2 , 6 and 7 , the clamping mechanism 11 includes a connecting rod 110 , a clamping rod 111 , a return spring 112 , a sliding rod 113 , a compression spring 114 and a connecting piece 115 . There are connecting rods 110 in sliding type on both sides. The connecting rods 110 are made of fluorescent material. The lower parts of the connecting rods 110 are welded with locking rods 111. The left and right sides of the locking rods 111 are provided with inclined surfaces. Inside, a return spring 112 is connected between the detent lever 111 and the support plate 2, and a sliding lever 113 is provided on the outside of the mounting frame 100 in a sliding manner. Compression springs 114 are connected between the left and right sides of the rod 113 and the adjacent mounting brackets 100, and the left and right sides of the sliding rod 113 are rotatably provided with connecting pieces 115. The two connecting pieces 115 at the front and two at the rear The connecting pieces 115 are all rotatably connected with the adjacent protective plates 8 .

When people need to use the device, the device can be fixed on a suitable position on the ground of the repair shop, and then people can drive the car to be repaired from the left to the right of the device onto the support plate 2, and the car is located on the support plate. 2 After getting on, people can get out of the car, and then start the dual-axis motor 3, so that the two output shafts of the dual-axis motor 3 rotate, and the rotation of the upper output shaft will drive the two threaded shafts 6 on the left to rotate, while the dual-axis motor 3 rotates. The rotation of the lower output shaft of the shaft motor 3 drives the two threaded shafts 6 on the right to rotate through the transmission of the pulley 4 and the flat belt 5. The rotation of the threaded shafts 6 can drive the lifting frame 7 to move upward, so that the lifting frame 7 is in contact with the vehicle chassis. , and then push the car to move upward, and the chassis of the car is gradually exposed to people's eyes. After the car is adjusted to a suitable height, people can turn off the dual-axis motor 3, and then people can stand on the support plate 2, and then remove the chassis of the car. , to facilitate the maintenance of the electric part inside the car, and then people can turn the protective plate 8 to open, so that the protective plate 8 rotates with the connecting piece 115 along the sliding rod 113, and then people push the protective plate 8 downward, and then through the connection The sliding rod 115 pushes the sliding rod 113 downward, and the compression spring 114 compresses accordingly. When the sliding rod 113 moves down to contact the inclined surface of the clamping rod 111, it will push the clamping rod 111 to move to the outside, thereby driving the connection The rod 110 moves to the outside, and the reset spring 112 compresses accordingly. After the sliding rod 113 crosses the latching rod 111, the connecting rod 110 will drive the latching rod 111 to move inward to reset under the reset action of the reset spring 112, and the latching rod 111 will jam the sliding rod 113, so that the protective plate 8 can be retracted into the bottom frame 1 after being opened, so as to avoid people standing on the supporting plate 2 and being tripped by the protective plate 8, which is safer. In the placement frame 101, the partitions 102 are used to separate and place them in categories, which is more convenient for people to take the tools they need. During maintenance, people can connect the circuit tester 103 to the power supply, and use external wiring to connect the circuit tester 103 to the internal components of the car , in order to detect whether the device has voltage and the value of the voltage through the circuit tester 103, these data will be displayed on the circuit tester 103, and people can judge whether the device is damaged, so as to facilitate maintenance.

After the vehicle is overhauled, people can turn off the circuit detector 103, then put the used tools back into the placement frame 101, and then pull the connecting rod 110 to the outside, the return spring 112 compresses accordingly, and the connecting rod 110 drives the The locking rod 111 moves to the outside, so that the locking rod 111 no longer blocks the sliding rod 113, and the sliding rod 113 will drive the connecting piece 115 and the protective plate 8 to move up and reset under the reset action of the compression spring 114. 8 After moving up and reset, people loosen the connecting rod 110 again, so that the connecting rod 110 drives the locking rod 111 to move inward to reset under the reset action of the reset spring 112, and then people turn the protective plate 8 in the opposite direction to drive the connecting piece 115. Reverse rotation along the sliding rod 113 can close the protective plate 8, thereby protecting the placement frame 101 to avoid damage to the tools and the circuit detector 103 in the placement frame 101. When the car needs to be lowered, people control the dual axis The motor 3 runs in the reverse direction, so that the two output shafts of the biaxial motor 3 are reversed, the upper output shaft drives the two threaded shafts 6 on the left to reverse, and the lower output shaft rotates through the transmission of the pulley 4 and the flat belt 5 The two threaded shafts 6 on the right are driven to rotate in reverse, and the four threaded shafts 6 are reversed to drive the lift frame 7 to move downward, so that the lift frame 7 supports the car and gradually moves down and resets. After the car contacts the support plate 2 , the lift frame 7 will continue to move down to get out of contact with the chassis of the car. After the lift frame 7 moves down to the limit, the dual-axis motor 3 can be turned off, thus completing the power maintenance of a car, through the circuit detector 103 There is no need to manually use other equipment to complete the detection, which is more flexible and convenient to use, and the connecting rod 110 will protrude more when the light is dark because it is made of fluorescent material, which is convenient for people to determine the position of the connecting rod 110 and easy to operate.

Example 2

On the basis of Embodiment 1, as shown in FIG. 1 , FIG. 8 and FIG. 9 , a limiting mechanism 12 is also included, and the limiting mechanism 12 includes a guide block 120 , an arc plate 121 , a push rod 122 and a connecting shaft 123. Guide blocks 120 are welded symmetrically at the front and rear on the right side of the inner bottom of the bottom frame 1. The guide blocks 120 are all slidably provided with push rods 122. The two lifting frames 7 can move upward to contact with the adjacent push rods 122. Both are connected with an arc-shaped plate 121 that can limit the position of the front wheel of the automobile, and a connecting shaft 123 is connected between the two arc-shaped plates 121 .

1, 10 and 11, it also includes a positioning mechanism 13, the positioning mechanism 13 includes a guide frame 130, a positioning plate 131, a tension spring 132 and a roller 133, and the left side of the arc plate 121 is welded There is a guide frame 130, and a positioning plate 131 is slidably provided on the guide frame 130. The positioning plates 131 are all in contact with the adjacent lifting frame 7, and a tension spring 132 is connected between the positioning plate 131 and the adjacent guide frame 130 for positioning. The plate 131 is rotatably provided with rollers 133, and the arc-shaped plate 121 is also rotatably provided with two rollers 133 at intervals.

When the car is on the support plate 2, people can directly drive the car to the front wheel to contact the rollers 133 on the arc plate 121. The positioning of the arc plate 121 can make the position of the car more accurate, and then people can The biaxial motor 3 can be started, so that the lifting frame 7 moves upward. The lifting frame 7 will first push the positioning plate 131 to move upward along the guide frame 130, and the tension spring 132 will be compressed accordingly, and the positioning plate 131 will simultaneously carry the The roller 133 moves upward, and the roller 133 on the positioning plate 131 moves up to contact the front wheel of the car, so that the positioning plate 131 and the arc plate 121 can wrap the front wheel of the car, and the lift frame 7 is also connected to the chassis of the car. Contact with the push rod 122, and then push the chassis of the vehicle and the push rod 122 to move upward, so that the push rod 122 drives the arc plate 121 and the connecting shaft 123 to move upward along the guide block 120, and the arc plate 121 further drives the positioning mechanism 13 upward as a whole Move, so that the positioning plate 131 and the arc plate 121 can position the car, and after the car rises to a proper position, the biaxial motor 3 can be turned off, and then the car can be repaired.

After the detection of the vehicle is completed, people run the biaxial motor 3 in the reverse direction, so that the lifting frame 7 supports the vehicle to move down and reset. Due to the gravity of the vehicle, the arc plate 121 and the positioning plate 131 will remain in contact with the front wheel of the vehicle. The tension spring 132 cannot be reset. When the car moves down to contact the support plate 2, people turn off the biaxial motor 3. At this time, the positioning plate 131 and the arc plate 121 continue to limit the front wheel of the car. The front wheel of the car is driven, so that the front wheel of the car rotates, and then rotates in place through the limit of the positioning plate 131 and the arc plate 121, and will rotate with the roller 133 through friction, and the roller 133 will make the front wheel of the car rotate more. For smoothness, people can check whether the car drive is normal at this time. If there is any abnormality, it can be checked twice. After the inspection is completed, the car drive is turned off, so that the front wheel of the car no longer rotates, and then people start the dual-shaft motor 3. The biaxial motor 3 continues to run in the reverse direction, thereby driving the lifting frame 7 to move downward, the lifting frame 7 will no longer be in contact with the chassis of the vehicle, and will no longer block the positioning plate 131, and the positioning plate 131 will be in the tension spring 132. Under the reset action, the roller 133 on the positioning plate 131 will also move downward, and will no longer be in contact with the front wheel of the car. Drive away to disengage the front wheel of the car from the arc-shaped plate 121, so that under the action of the limiting mechanism 12 and the positioning mechanism 13, the vehicle can be driven to be detected after the vehicle maintenance is completed, so that the secondary maintenance can be carried out in time.

As shown in FIG. 1 , FIG. 12 and FIG. 13 , a detection mechanism 14 is also included. The detection mechanism 14 includes a display panel 140 and a rotational speed sensor 141 , and a rotational speed sensor 141 capable of detecting the rotational speed of the front wheel of the automobile is installed on the positioning plate 131 . , the rotational speed sensors 141 are all in contact with the adjacent rollers 133 , the display panel 140 is fixedly connected to the front right side of the bottom frame 1 , and the two rotational speed sensors 141 are electrically connected to the display panel 140 .

When the front wheel of the car rotates through friction with the roller 133 on the positioning plate 131, one can activate the rotational speed sensor 141, so that the rotational speed sensor 141 detects the number of revolutions of the roller 133, and the data will then be displayed on the display panel 140. It can be seen whether the speed of the front wheels is consistent with the speedometer, so as to determine whether there is a problem in the electric power of the car. After the car is detected, the speed sensor 141 can be turned off.

1, 14 and 15, it also includes a sliding mechanism 15. The sliding mechanism 15 includes a fixed plate 150, a rotating shaft 151, a rotating plate 152, a torsion spring 153 and a lower pressing plate 154. The bottom frame 1 top left A fixed plate 150 is provided on the side, and a rotating shaft 151 is welded on the left side of the fixed plate 150. The rotating shaft 151 is rotatably provided with a rotating plate 152 that can avoid scratches on the chassis of the automobile. Both are connected with torsion springs 153, and the torsion springs 153 are all sleeved on the rotating shaft 151. The right side of the rotating plate 152 is symmetrically rotated forward and backward with a lower pressure plate 154, and the left and right sides of the support plate 2 are provided with two guide grooves 155. , the rotating plates 152 are both slidably connected with two adjacent guide grooves 155 .

When people drive the car on the support plate 2, they will contact the rotating plate 152 first, and then travel to the right along the rotating plate 152, and the rotating plate 152 will be squeezed and rotated downward by the gravity of the car, and the torsion spring 153 Following the deformation, the rotating plate 152 then squeezes the lower pressing plate 154 and slides to the right along the guide groove 155, so that the car can be smoothly driven on the support plate 2, so as to prevent the chassis of the car from being scratched. The lower pressing plate 154 will be pressed, and when the vehicle is overhauled, it will retreat to the left and leave the supporting plate 2, and will gradually disengage from the lower pressing plate 154 and the rotating plate 152, and the rotating plate 152 will be reset when the torsion spring 153 is no longer subjected to force. Under the action of reverse rotation and reset, the lower pressing plate 154 is pulled to slide to the left along the guide groove 155 to reset.

The above-mentioned embodiments are only intended to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the art to understand the content of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. A vehicle engineering power detection maintenance platform comprises a bottom frame (1), a supporting plate (2), a double-shaft motor (3), belt pulleys (4), flat belts (5), threaded shafts (6), a lifting frame (7) and a protection plate (8), wherein the supporting plate (2) is arranged at the top of the bottom frame (1), the double-shaft motor (3) is symmetrical front and back at the left side in the bottom frame (1), output shafts at the lower sides of the double-shaft motor (3) are connected with the bottom in the bottom frame (1) in a rotating manner, the threaded shafts (6) are connected with output shafts at the upper sides of the double-shaft motor (3), the threaded shafts (6) are also arranged in the bottom frame (1) in a rotating manner, the belt pulleys (4) are fixedly connected to the lower sides of the two threaded shafts (6) at the right side, the belt pulleys (4) are also fixedly connected to output shafts at the lower sides of the double-shaft motor (3), the two belt pulleys (4) at the front side and the two belt pulleys (4) at the rear side are sleeved with the flat belts (5), equal screw thread formula between two threaded spindle (6) of front side and two threaded spindle (6) of rear side is equipped with crane (7), and symmetrical joint has guard plate (8) around backup pad (2) is gone up, its characterized in that, still including maintenance mechanism (10) and screens mechanism (11), is equipped with maintenance mechanism (10) in underframe (1), is equipped with on maintenance mechanism (10) to be used for fixed screens mechanism (11).

2. The vehicle engineering power detection and maintenance platform according to claim 1, characterized in that the maintenance mechanism (10) comprises a mounting frame (100), a placing frame (101), partition plates (102) and circuit detectors (103), the mounting frame (100) is symmetrically and fixedly connected to the front and back of the bottom in the bottom frame (1), the placing frame (101) is fixedly connected to the mounting frame (100), the placing frame (101) is located below the adjacent protection plates (8), four partition plates (102) convenient to classify are uniformly arranged in the placing frame (101), and the circuit detectors (103) are mounted on the left side in the placing frame (101).

3. The vehicle engineering power detection and maintenance platform according to claim 2, wherein the clamping mechanism (11) comprises a connecting rod (110), a clamping rod (111), a return spring (112), a sliding rod (113), an extrusion spring (114) and a connecting piece (115), the connecting rod (110) is slidably arranged on the front side and the rear side of the support plate (2), the clamping rod (111) is fixedly connected to the lower portion of the connecting rod (110), the clamping rod (111) is provided with inclined surfaces on the left side and the right side, the clamping rod (111) is positioned inside the bottom frame (1), the return spring (112) is connected between the clamping rod (111) and the support plate (2), the sliding rod (113) is slidably arranged on the outer side of the mounting frame (100), the sliding rod (113) can be contacted with the adjacent clamping rod (111) when moving downwards, the extrusion spring (114) is connected between the left side and the right side of the sliding rod (113) and the adjacent mounting frame (100), the left side and the right side of the sliding rod (113) are respectively and rotatably provided with a connecting piece (115), and the two connecting pieces (115) at the front part and the two connecting pieces (115) at the rear part are respectively and rotatably connected with the adjacent protection plates (8).

4. The vehicle engineering electric power detection and maintenance platform according to claim 3, characterized by further comprising a limiting mechanism (12), wherein the limiting mechanism (12) comprises guide blocks (120), arc-shaped plates (121), a pushing rod (122) and a connecting shaft (123), the guide blocks (120) are symmetrically and fixedly connected to the front and the back of the right side of the inner bottom of the bottom frame (1), the pushing rod (122) is arranged on each guide block (120) in a sliding manner, the two lifting frames (7) move upwards and can be in contact with the adjacent pushing rod (122), the arc-shaped plates (121) are fixedly connected to the pushing rod (122), and the connecting shaft (123) is connected between the two arc-shaped plates (121).

5. The vehicle engineering electric power detection and maintenance platform according to claim 4, characterized by further comprising a positioning mechanism (13), wherein the positioning mechanism (13) comprises a guide frame (130), positioning plates (131), extension springs (132) and rollers (133), the guide frame (130) is fixedly connected to the left side of the arc-shaped plate (121), the positioning plates (131) are arranged on the guide frame (130) in a sliding mode, the positioning plates (131) are all in contact with the adjacent lifting frames (7), the extension springs (132) are connected between the positioning plates (131) and the adjacent guide frames (130), the rollers (133) are arranged on the positioning plates (131) in an all-rotating mode, and the two rollers (133) are arranged on the arc-shaped plate (121) in an all-interval and rotating mode.

6. The vehicle engineering power detection maintenance platform according to claim 5, further comprising a detection mechanism (14) capable of detecting the rotation speed of the front wheel of the automobile, wherein the detection mechanism (14) comprises a display plate (140) and rotation speed sensors (141), the rotation speed sensors (141) are fixedly connected to the positioning plates (131), the rotation speed sensors (141) are all in contact with the adjacent rollers (133), the display plate (140) is arranged on the right side of the front portion of the bottom frame (1), and the two rotation speed sensors (141) are electrically connected with the display plate (140).

7. The vehicle engineering power detection and maintenance platform according to claim 6, further comprising a sliding mechanism (15), wherein the sliding mechanism (15) comprises a fixing plate (150) and a rotating shaft (151), rotor plate (152), torsion spring (153) and holding down plate (154), underframe (1) top left side rigid coupling has fixed plate (150), fixed plate (150) left side is equipped with axis of rotation (151), the rotation type is equipped with rotor plate (152) on axis of rotation (151), all be connected with torsion spring (153) between both sides and fixed plate (150) around rotor plate (152) lower part, torsion spring (153) all overlap on axis of rotation (151), symmetry rotary type is equipped with holding down plate (154) around rotor plate (152) right side, both sides all opened two guide ways (155) around backup pad (2) left, rotor plate (152) all link to each other with two close guide ways (155) slidingly.

8. The vehicle engineering power detection and maintenance platform according to claim 3, wherein the connecting rod (110) is made of fluorescent material.

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