Negative pressure car cleaning machine

Abstract

The present invention discloses a negative pressure car cleaning machine, comprising a mobile gantry, a lifting slide, a slide guide device, a lifting device, a negative pressure collecting device, a cleaning and taking device, a hydraulic station and an electrical box; wherein the lifting slide is slidably installed at the middle of the crossbeam of the mobile gantry through the slide guide device; the lifting device is installed on one side of the slide guide device and is connected to the lifting slide through a steel wire rope; the cleaning and taking device is detachably installed at the bottom end of the lifting slide, the cleaning and taking device is connected to the negative pressure collecting device through a material conveying pipeline, and the negative pressure collecting device is located on the other side of the slide guide device; the hydraulic station and the electrical box are both installed on the crossbeam of the mobile gantry. The present invention can realize single-side cleaning and full-carriage cleaning, and there is no need to open the car door to clean the remaining materials in the car, and the residual materials at the root of the car can be cleaned, which is efficient and environmentally friendly, and liberates labor.

Description

Technical Field

[0001] The invention relates to the technical field of material truck unloading, and more particularly to a negative pressure truck cleaning machine. Background Art

[0002] Through work practice, I deeply feel that the loading and unloading of some bulk materials such as coal, sand and gravel is not only labor-intensive but also very inefficient. Train bulk material unloading equipment such as dumpers, chain bucket unloaders, excavators, horizontal screw unloaders, vertical screw unloaders, etc. all have the problem of clearing residual materials.

[0003] At present, the only way to clean the carriages manually is to open the doors and unload the remaining materials on the trackside, which results in secondary cleaning, low efficiency and environmental pollution.

[0004] Therefore, how to provide a high-efficiency negative pressure car cleaning machine is a problem that those skilled in the art need to solve urgently. Summary of the invention

[0005] In view of this, the present invention provides a negative pressure car cleaning machine to solve the problems raised in the above background technology part. It can realize single-side cleaning and full-carriage cleaning. There is no need to open the door to clean the remaining materials in the car, and it can clean the residual materials at the root of the car. It is efficient and environmentally friendly, and liberates labor.

[0006] In order to realize the above scheme, the present invention adopts the following technical scheme:

[0007] A negative pressure car cleaning machine comprises a movable gantry, a lifting slide, a slide guide device, a lifting device, a negative pressure collecting device, a cleaning and taking device, a hydraulic station and an electrical box; wherein the lifting slide is slidably mounted at the middle of the crossbeam of the movable gantry through the slide guide device; the lifting device is mounted on one side of the slide guide device and is connected to the lifting slide through a wire rope; the cleaning and taking device is detachably mounted on the bottom end of the lifting slide, the cleaning and taking device is connected to the negative pressure collecting device through a material conveying pipeline, and the negative pressure collecting device is located on the other side of the slide guide device; the hydraulic station and the electrical box are both mounted on the crossbeam of the movable gantry.

[0008] Preferably, in the above-mentioned negative pressure car cleaning machine, the slide guide device comprises a left slide and a right slide that are arranged opposite to each other, and guide pulleys are arranged on two opposite surfaces of the left slide and the right slide.

[0009] Preferably, in the above-mentioned negative pressure car cleaning machine, slide rails are provided on the two side surfaces of the lifting slide opposite to the left slide and the right slide, and the guide pulley is embedded in the slide rails; the lifting slide is provided with a first lifting pulley, a second lifting pulley and a third lifting pulley, the first lifting pulley is installed in the middle position of the lifting slide in the vertical direction, and the second lifting pulley is installed directly below the first lifting pulley; the third lifting pulley is installed at the lower right of the first lifting pulley and is located above the second lifting pulley.

[0010] Preferably, in the above-mentioned negative pressure car cleaning machine, the lifting device is located on one side of the right slide, the lifting device includes a drum and a drum servo motor, both ends of the central axis of the drum are installed on the drum bracket through bearings, the central axis of the drum is transmission-connected to the output shaft of the drum servo motor; one end of the wire rope is wound around the drum, and the other end is sequentially wound around the third lifting pulley, the second lifting pulley, the first lifting pulley and connected to the fixed block installed on the top of the right slide; the drum servo motor is electrically connected to the controller in the electrical box through a wire.

[0011] Preferably, in the above-mentioned negative pressure car cleaning machine, the negative pressure collecting device includes a feed pipe, a separation dust removal device, a Roots blower and a discharge pipe, the feed pipe is installed in the lifting slide, one end of the feed pipe is connected to the separation dust removal device, and the other end is connected to the cleaning and material taking device; the separation dust removal device and the Roots blower are both installed on the crossbeam of the movable gantry, and the Roots blower is connected to the separation dust removal device through a pipeline; a star-shaped discharger is installed at the bottom of the separation dust removal device, and a discharge pipe is connected to the bottom of the star-shaped discharger.

[0012] Preferably, in the above-mentioned negative pressure car cleaning machine, the cleaning and feeding device is a single-sided cleaning and feeding device, including a single-sided cleaning connecting frame, a single-sided fixed disc brush, a single-sided cleaning hydraulic motor and a single-sided suction pipe; the central axis of the single-sided fixed disc brush and the rotating shaft of the single-sided cleaning hydraulic motor are fixedly connected through a coupling, and the single-sided cleaning hydraulic motor is installed on both sides below the single-sided cleaning and feeding frame through a mounting plate; the bottom end of the single-sided suction pipe is located between the two single-sided fixed disc brushes, and the top end is connected to the feed pipe; the single-sided cleaning connecting frame is detachably connected to the bottom end of the lifting slide by bolts.

[0013] Preferably, in the above-mentioned negative pressure car cleaning machine, the cleaning and material-collecting device is a whole-car cleaning and material-collecting device, comprising a whole-car cleaning connection frame, a trapezoidal disc brush mechanism, a herringbone adsorption mechanism and a horizontal spiral material collection mechanism; the whole-car cleaning connection frame is detachably connected to the bottom end of the lifting slide by bolts;

[0014] The trapezoidal disc brush mechanism includes a whole vehicle movable disc brush, a whole vehicle fixed disc brush, a whole vehicle movable disc brush driving mechanism, a whole vehicle cleaning fixed hydraulic motor and a whole vehicle cleaning movable hydraulic motor;

[0015] The vehicle-wide fixed disc brush is provided with two, the central axis of the vehicle-wide fixed disc brush is fixedly connected to the rotating shaft of the vehicle-wide cleaning fixed hydraulic motor through a coupling, and the vehicle-wide cleaning fixed hydraulic motor is installed on both sides of the middle of the bottom of the vehicle-wide cleaning connection frame through a mounting plate;

[0016] The vehicle-wide movable disc brush is provided with two, the central axis of the vehicle-wide movable disc brush is fixedly connected to the rotating shaft of the vehicle-wide cleaning movable hydraulic motor through a coupling, the vehicle-wide cleaning movable hydraulic motor is installed on one side of the vehicle-wide fixed disc brush through the vehicle-wide movable disc brush driving mechanism, and the horizontal spiral material collection mechanism is installed on the other side of the vehicle-wide fixed disc brush through a material collection bracket;

[0017] The whole vehicle mobile disc brush driving mechanism includes a driving hydraulic motor, a gear, a cylindrical linear guide, a slider and a rack; wherein the rack and the cylindrical linear guide are installed in parallel on the side of the whole vehicle cleaning connection frame, and the cylindrical linear guide is located above the rack track; there are two gears, which are respectively installed on the rotating shafts of the two driving hydraulic motors, and the two driving hydraulic motors are respectively connected to the bottom of the two sliders, and the gears are meshed with the racks; the slider is provided with a slide groove matching the cylindrical linear guide, and the cylindrical linear guide is embedded in the slide groove; the whole vehicle cleaning mobile hydraulic motor is installed at the bottom of the driving hydraulic motor through a mounting plate;

[0018] The horizontal spiral material collection mechanism comprises a material collection rotating shaft and a material collection hydraulic motor. The material collection rotating shaft is installed on the material collection bracket through a bearing, and the material collection rotating shaft is drivingly connected with the rotating shaft of the material collection hydraulic motor; both ends of the material collection rotating shaft are equipped with material collection spiral blades with opposite rotation directions;

[0019] The herringbone adsorption mechanism is composed of three herringbone-arranged full-vehicle suction pipes, wherein the feed pipe openings of two of the full-vehicle suction pipes are located above the position where the material collection spiral blades are not arranged in the middle of the material collection shaft, and the other full-vehicle suction pipe is located between the two full-vehicle fixed disc brushes; the feed pipe openings at the top ends of the three full-vehicle suction pipes are all connected to the feed pipe.

[0020] Preferably, in the above-mentioned negative pressure car cleaning machine, a driver's cab is installed on one side of the movable gantry, a ladder is provided below the driver's cab, an operation button is provided in the driver's cab, and the operation button is electrically connected to the controller through a wire.

[0021] Preferably, in the above-mentioned negative pressure car cleaning machine, moving wheels are provided at the bottom of the columns on both sides of the moving gantry, and the moving wheels are connected to a moving servo motor through a rotating shaft transmission, and the moving servo motor is electrically connected to the controller through a wire.

[0022] Preferably, in the above-mentioned negative pressure car cleaning machine, a belt conveyor is arranged below the movable gantry, the belt conveyor is located below the horizontal moving track of the discharge pipe, and the belt conveyor is electrically connected to the controller through a wire.

[0023] It can be seen from the above technical scheme that compared with the prior art, the present invention discloses a negative pressure car cleaning machine, which can realize single-sided cleaning and full-carriage cleaning. There is no need to open the car door to clean the remaining materials in the car, and the residual materials at the root of the car can be cleaned. The present invention can clean the remaining materials in the tipping machine on one side, and can also clean the remaining materials of other unloading machinery in the whole car, thereby achieving the purpose of collecting scattered materials in the car, passively compensating for height differences, having good cleaning effects, and fully mechanized operations, which reduces labor intensity, avoids dust pollution and harm to workers' health, and liberates labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0025] Figure 1 This is a schematic diagram of the structure of the whole vehicle cleaning and material taking device assembled according to the present invention;

[0026] Figure 2 A schematic diagram of the structure of the one-side cleaning and reclaiming device of the present invention;

[0027] Figure 3 for Figure 1 Left view of

[0028] Figure 4 It is a structural schematic diagram of the single-side cleaning and material taking device in the present invention;

[0029] Figure 5 It is a structural schematic diagram of the whole vehicle cleaning and material taking device in the present invention;

[0030] Figure 6 It is a left side view of the whole vehicle cleaning and material taking device in the present invention;

[0031] Figure 7 A bottom view of the whole vehicle cleaning and material taking device of the present invention;

[0032] Figure 8 A top view of the whole vehicle cleaning and material taking device in the present invention;

[0033] Fig. 9 It is a schematic diagram of the assembly relationship between the whole vehicle moving disc brush driving mechanism, the whole vehicle moving disc brush and the whole vehicle cleaning moving hydraulic motor in the present invention;

[0034] Fig.10 It is a structural schematic diagram of the whole vehicle fixed disc brush and the whole vehicle cleaning fixed hydraulic motor in the present invention;

[0035] Fig.11 It is a schematic diagram of the structure of the negative pressure collection device in the present invention;

[0036] Fig.12 A top view of the lifting slide in the present invention;

[0037] Fig.13 It is a top view of the single-side cleaning and material-reclaiming device in the present invention. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] The embodiment of the present invention discloses a negative pressure car cleaning machine, which can realize single-side cleaning and full-carriage cleaning. There is no need to open the car door to clean the remaining materials in the car, and the residual materials at the root of the car can be cleaned. It is efficient and environmentally friendly, and liberates labor.

[0040] The present embodiment discloses a negative pressure car cleaning machine, comprising a movable gantry 1, a lifting slide 2, a slide guide device 3, a lifting device 4, a negative pressure collecting device 5, a cleaning and taking device, a hydraulic station 6 and an electrical box 7; wherein the lifting slide 2 is slidably installed in the middle of the crossbeam of the movable gantry 1 through the slide guide device 3; the lifting device 4 is installed on one side of the slide guide device 3, and is connected to the lifting slide 2 through a wire rope; the cleaning and taking device is detachably installed at the bottom end of the lifting slide 2, and the cleaning and taking device is connected to the negative pressure collecting device 5 through a material conveying pipeline, and the negative pressure collecting device 5 is located on the other side of the slide guide device 3; the hydraulic station 6 and the electrical box 7 are both installed on the crossbeam of the movable gantry 1.

[0041] In order to further optimize the above technical solution, the slide guide device 3 includes a left slide 31 and a right slide 32 which are arranged opposite to each other, and guide pulleys 33 are arranged on two opposite surfaces of the left slide 31 and the right slide 32 .

[0042] In order to further optimize the above technical solution, slide rails 21 are provided on the two side surfaces of the lifting slide 2 opposite to the left slide 31 and the right slide 32, and the guide pulley 33 is embedded in the slide rail 21; the lifting slide 2 is provided with a first lifting pulley 22, a second lifting pulley 23 and a third lifting pulley 24, the first lifting pulley 22 is installed in the middle position in the vertical direction of the lifting slide 2, and the second lifting pulley 23 is installed directly below the first lifting pulley 22; the third lifting pulley 24 is installed at the lower right of the first lifting pulley 22 and is located above the second lifting pulley 23.

[0043] In order to further optimize the above technical scheme, the lifting device 4 is located on one side of the right slide 32, and the lifting device 4 includes a drum and a drum servo motor. Both ends of the central axis of the drum are installed on the drum bracket through bearings, and the central axis of the drum is connected to the output shaft of the drum servo motor by transmission; one end of the wire rope is wound around the drum, and the other end is sequentially passed around the third lifting pulley 24, the second lifting pulley 23, and the first lifting pulley 22 to be connected to the fixed block 34 installed on the top of the right slide 32; the drum servo motor is electrically connected to the controller in the electrical box 7 through a wire, and the controller selects a PLC controller.

[0044] In order to further optimize the above technical scheme, the negative pressure collection device 5 includes a feed pipe 51, a separation dust removal device 52, a Roots blower 53 and a discharge pipe 54. The feed pipe 51 is installed in the lifting slide 2, one end of the feed pipe 51 is connected to the separation dust removal device 52, and the other end is connected to the cleaning and material taking device; the separation dust removal device 52 and the Roots blower 53 are both installed on the crossbeam of the movable door frame 1, and the Roots blower 53 is connected to the separation dust removal device 52 through a pipeline; a star-shaped discharger 55 is installed at the bottom of the separation dust removal device 52, and a discharge pipe 54 is connected to the bottom of the star-shaped discharger 55.

[0045] In order to further optimize the above technical scheme, the cleaning and feeding device is a single-sided cleaning and feeding device 8, including a single-sided cleaning connecting frame 81, a single-sided fixed disc brush 82, a single-sided cleaning hydraulic motor 83 and a single-sided suction pipe 84; the central axis of the single-sided fixed disc brush 82 and the rotating shaft of the single-sided cleaning hydraulic motor 83 are fixedly connected by a coupling, and the single-sided fixed disc brush 82 and the single-sided cleaning hydraulic motor 83 are matched with each other, and two sets are provided. The two single-sided cleaning hydraulic motors 83 are installed on both sides below the single-sided cleaning and feeding frame through mounting plates; the bottom end of the single-sided suction pipe 84 is located between the two single-sided fixed disc brushes 82, and the top end is connected to the feed pipe 51; the single-sided cleaning connecting frame 81 is detachably connected to the bottom end of the lifting slide 2 by bolts.

[0046] In order to further optimize the above technical solution, the cleaning and reclaiming device is a whole-vehicle cleaning and reclaiming device 9, including a whole-vehicle cleaning connection frame 91, a trapezoidal disc brush mechanism, a herringbone adsorption mechanism 92 and a horizontal spiral collection mechanism; the whole-vehicle cleaning connection frame 91 is detachably connected to the bottom end of the lifting slide 2 by bolts;

[0047] The trapezoidal disc brush mechanism includes a whole vehicle movable disc brush 93, a whole vehicle fixed disc brush 94, a whole vehicle movable disc brush driving mechanism, a whole vehicle cleaning fixed hydraulic motor 95 and a whole vehicle cleaning movable hydraulic motor 96;

[0048] Two fixed disc brushes 94 are provided for the whole vehicle. The central axis of the fixed disc brush 94 is fixedly connected to the rotating shaft of the fixed hydraulic motor 95 for cleaning the whole vehicle through a coupling. The fixed hydraulic motor 95 for cleaning the whole vehicle is installed on both sides of the middle of the bottom of the whole vehicle cleaning connection frame 91 through a mounting plate.

[0049] Two mobile disc brushes 93 are provided for the whole vehicle. The central axis of the mobile disc brush 93 is fixedly connected to the rotating shaft of the whole vehicle cleaning mobile hydraulic motor 96 through a coupling. The whole vehicle cleaning mobile hydraulic motor 96 is installed on one side of the whole vehicle fixed disc brush 94 through the whole vehicle mobile disc brush driving mechanism. The horizontal spiral material collection mechanism is installed on the other side of the whole vehicle fixed disc brush 94 through the material collection bracket.

[0050] The whole vehicle mobile disc brush driving mechanism includes a driving hydraulic motor 97, a gear 98, a cylindrical linear guide 99, a slider 910 and a rack 911; wherein the rack 911 and the cylindrical linear guide 99 are installed in parallel on the side of the whole vehicle cleaning connection frame 91, and the cylindrical linear guide 99 is located above the rack 911 track; there are two gears 98, which are respectively installed on the rotating shafts of the two driving hydraulic motors 97, and the two driving hydraulic motors 97 are respectively connected to the bottom of the two sliders 910, and the gear 98 is meshed with the rack 911; the slider 910 is provided with a slide groove matching the cylindrical linear guide 99, and the cylindrical linear guide 99 is embedded in the slide groove; the whole vehicle cleaning mobile hydraulic motor 96 is installed at the bottom of the driving hydraulic motor 97 through a mounting plate;

[0051] The horizontal spiral material collection mechanism includes a material collection rotating shaft 912 and a material collection hydraulic motor. The material collection rotating shaft 912 is installed on the material collection bracket through a bearing, and the material collection rotating shaft 912 is connected to the rotating shaft of the material collection hydraulic motor by transmission. The two ends of the material collection rotating shaft 912 are equipped with material collection spiral blades 913 with opposite rotation directions.

[0052] The herringbone adsorption mechanism 92 is composed of three herringbone-arranged full-vehicle suction pipes, wherein the feed pipe openings 51 of two full-vehicle suction pipes are located above the position in the middle of the collection shaft 912 where no collection spiral blade 913 is provided, and the other full-vehicle suction pipe is located between two full-vehicle fixed disc brushes 94; the feed pipe openings 51 at the top ends of the three full-vehicle suction pipes are all connected to the feed pipe 51.

[0053] In order to further optimize the above technical solution, a driving cab 11 is installed on one side of the mobile gantry 1, a ladder 12 is arranged below the driving cab 11, and operation buttons are arranged in the driving cab 11, which are electrically connected to the controller through wires.

[0054] In order to further optimize the above technical solution, moving wheels are arranged at the bottom of the columns on both sides of the moving door frame 1. The moving wheels are connected to the moving servo motor through a rotating shaft transmission, and the moving servo motor is electrically connected to the controller through a wire.

[0055] In order to further optimize the above technical solution, a belt conveyor 13 is arranged under the movable gantry 1, and the belt conveyor 13 is located in a groove opened under the ground; the belt conveyor 13 is located below the horizontal moving track of the discharge pipe 54, and the belt conveyor 13 is electrically connected to the controller through a wire.

[0056] In order to further optimize the above technical solution, the separation and dust removal device 52 uses a cyclone separator.

[0057] In order to further optimize the above technical solution, the mounting plate is a fan-shaped plate, and a hinge hole is opened at the center of the fan-shaped plate. The hinge hole is fixed to the single-side cleaning and reclaiming frame or the whole vehicle cleaning connecting frame 91 through a pin shaft, and an adjustment waist-shaped hole is opened at the edge of the fan-shaped plate. An adjusting bolt is passed through the adjusting waist-shaped hole, and the adjusting bolt is fixedly connected to the single-side cleaning and reclaiming frame or the whole vehicle cleaning connecting frame 91; the adjusting bolt is fastened in the adjusting waist-shaped hole by a nut. After loosening the bolt, the adjusting bolt can slide in the adjusting waist-shaped hole, thereby realizing the angle adjustment of the mounting plate.

[0058] In order to further optimize the above technical solution, the lifting slide 2 is a frame structure welded by steel sections.

[0059] In order to further optimize the above technical solution, the feed pipe 51 is a bellows, and the horizontal distance between the dust removal device and the moving slide + the height of the moving door frame 1 is less than the length of the bellows.

[0060] In order to further optimize the above technical solution, when the whole vehicle movable disc brushes 93 are located at both ends of the cylindrical linear guide rail 99, the distance between the two whole vehicle movable disc brushes 93 is greater than the distance between the two whole vehicle fixed disc brushes 94.

[0061] In order to further optimize the above technical solution, the hydraulic station 6 is connected to the single-side cleaning hydraulic motor 83, the aggregate hydraulic motor, the whole vehicle cleaning fixed hydraulic motor 95, the whole vehicle cleaning mobile hydraulic motor 96, and the driving hydraulic motor 97 through pipelines.

[0062] Working principle:

[0063] The guide pulley 33 of the carriage guide device 3 is embedded in the carriage guide rail 21 of the lifting carriage 2, and can guide the lifting carriage 2 to rise and fall; the drum servo motor of the lifting device 4 can drive the drum to rotate, and because the servo motor has a certain self-locking property, it can pull up and lower the lifting carriage 2 by winding and releasing the wire rope; the cleaning and picking device is detachably connected to the bottom end of the lifting carriage 2, and the cleaning and picking device is divided into a single-side cleaning and picking device 8 and a whole-car cleaning and picking device 9. By disassembling and replacing the single-side cleaning and picking device 8 and the whole-car cleaning and picking device, the carriage 10 can be cleaned. Single-side cleaning and full-carriage cleaning; when the full-car cleaning and material-collecting device 9 is used, the horizontal spiral material collection mechanism can push the material to the middle, and the material is sucked into the feed pipe 51 through two full-car suction pipes located above the position where the material collection spiral blade 913 is not set in the middle of the collection shaft 912, and the remaining material is swept to the middle position by the full-car fixed disk and the full-car movable disk brush 93, and is sucked into the feed pipe 51 by another full-car suction pipe; at the same time, the full-car movable disk brush 93 can be moved by driving the hydraulic motor 97 with the cooperation of the gear 98, the cylindrical linear guide 99, the slider 910 and the rack 911.

[0064] The separation and dust removal device 52 in the negative pressure collection device 5 can suck the material into the feed pipe 51 with the cooperation of the Roots blower 53, and transport it to the separation and dust removal device 52, and store the particulate material at the bottom of the separation and dust removal device 52, and finally discharge it into the discharge pipe 54 through the star-shaped discharger 55, and the discharge pipe 54 can discharge the material onto the belt conveyor 13 for transportation.

[0065] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0066] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A negative pressure car cleaning machine, characterized in that: It includes a moving gantry, a lifting slide, a slide guide device, a lifting device, a negative pressure collecting device, a cleaning and fetching device, a hydraulic station and an electrical box; wherein the lifting slide is slidably installed at the middle of the crossbeam of the moving gantry through the slide guide device; the lifting device is installed on one side of the slide guide device and is connected to the lifting slide through a wire rope; the cleaning and fetching device is detachably installed at the bottom end of the lifting slide, the cleaning and fetching device is connected to the negative pressure collecting device through a material conveying pipeline, and the negative pressure collecting device is located on the other side of the slide guide device; the hydraulic station and the electrical box are both installed on the crossbeam of the moving gantry; the negative pressure collecting device includes a feeding pipe, a separation dust removal device, a Roots The fan and the discharge pipe are installed in the lifting slide, one end of the feed pipe is connected to the separation dust removal device, and the other end is connected to the cleaning and taking device; the separation dust removal device and the Roots blower are both installed on the crossbeam of the movable door frame, and the Roots blower is connected to the separation dust removal device through a pipeline; a star-shaped discharger is installed at the bottom of the separation dust removal device, and a discharge pipe is connected to the bottom of the star-shaped discharger; the cleaning and taking device is a whole-vehicle cleaning and taking device, including a whole-vehicle cleaning connection frame, a trapezoidal disc brush mechanism, a herringbone adsorption mechanism and a horizontal spiral collection mechanism; the whole-vehicle cleaning connection frame is detachably connected to the bottom end of the lifting slide by bolts; the trapezoidal disc brush mechanism includes a whole-vehicle moving A disc brush, a fixed disc brush for the entire vehicle, a driving mechanism for a movable disc brush for the entire vehicle, a fixed hydraulic motor for cleaning the entire vehicle, and a movable hydraulic motor for cleaning the entire vehicle; two fixed disc brushes are provided for the entire vehicle, and the central axis of the fixed disc brush for the entire vehicle is fixedly connected to the rotating shaft of the fixed hydraulic motor for cleaning the entire vehicle through a coupling, and the fixed hydraulic motor for cleaning the entire vehicle is installed on both sides of the middle of the bottom of the entire vehicle cleaning connection frame through a mounting plate; two movable disc brushes are provided for the entire vehicle, and the central axis of the movable disc brush for the entire vehicle is fixedly connected to the rotating shaft of the movable hydraulic motor for cleaning the entire vehicle through a coupling, and the movable hydraulic motor for cleaning the entire vehicle is installed on one side of the fixed disc brush for the entire vehicle through the driving mechanism for the movable disc brush for the entire vehicle, and the horizontal spiral collecting mechanism is installed through a collecting bracket. Installed on the other side of the whole vehicle fixed disc brush; the whole vehicle mobile disc brush driving mechanism includes a driving hydraulic motor, a gear, a cylindrical linear guide, a slider and a rack; wherein the rack and the cylindrical linear guide are installed in parallel on the side of the whole vehicle cleaning connection frame, and the cylindrical linear guide is located above the rack; there are two gears, which are respectively installed on the rotating shafts of the two driving hydraulic motors, and the two driving hydraulic motors are respectively connected to the bottom of the two sliders, and the gear is meshed with the rack; the slider is provided with a slide groove matching the cylindrical linear guide, and the cylindrical linear guide is embedded in the slide groove; the whole vehicle cleaning mobile hydraulic motor is installed at the bottom of the driving hydraulic motor through a mounting plate;The horizontal spiral material collection mechanism includes a material collection shaft and a material collection hydraulic motor. The material collection shaft is installed on the material collection bracket through a bearing, and the material collection shaft is connected to the rotating shaft of the material collection hydraulic motor in a transmission manner. Both ends of the material collection shaft are equipped with material collection spiral blades with opposite rotation directions. The herringbone adsorption mechanism is composed of three full-vehicle suction pipes arranged in a herringbone shape, wherein the feed pipe openings of two of the full-vehicle suction pipes are located above the position where the material collection spiral blades are not arranged in the middle of the material collection shaft, and the other one is The whole-car suction pipe is located between the two whole-car fixed disc brushes; the feed pipe openings at the top ends of the three whole-car suction pipes are all connected to the feed pipe; the slide guide device includes a left slide and a right slide arranged opposite to each other, and guide pulleys are arranged on the two opposite surfaces of the left slide and the right slide; slide guide rails are arranged on the two side surfaces of the lifting slide opposite to the left slide and the right slide, and the guide pulleys are embedded in the slide guide rails; the lifting slide is provided with a first lifting pulley, a second lifting pulley and a first lifting pulley. Three lifting pulleys, the first lifting pulley is installed in the middle position of the lifting slide in the vertical direction, and the second lifting pulley is installed directly below the first lifting pulley; the third lifting pulley is installed at the lower right of the first lifting pulley and is located above the second lifting pulley; the lifting device is located on one side of the right slide, and the lifting device includes a drum and a drum servo motor, the two ends of the central axis of the drum are installed on the drum bracket through bearings, and the central axis of the drum is connected to the output shaft of the drum servo motor by transmission; one end of the wire rope is wound on the drum, and the other end is connected to the fixed block installed on the top of the right slide by winding around the third lifting pulley, the second lifting pulley, and the first lifting pulley in turn; the drum servo motor is electrically connected to the controller in the electrical box through a wire; a driving cab is installed on one side of the mobile gantry, a ladder is arranged below the driving cab, and an operation button is arranged in the driving cab, and the operation button is electrically connected to the controller through a wire. ; 2. A negative pressure car cleaning machine according to claim 1, characterized in that: The bottom of the columns on both sides of the movable door frame is provided with movable wheels, and the movable wheels are connected to the movable servo motor through a rotating shaft transmission, and the movable servo motor is electrically connected to the controller through a wire.

3. A negative pressure car cleaning machine according to claim 1, characterized in that: A belt conveyor is arranged below the movable gantry, and the belt conveyor is located below the horizontal moving track of the discharge pipe. The belt conveyor is electrically connected to the controller through a wire.

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