Hoisting device capable of adjusting angle of wind power blade

Abstract

The utility model discloses a hoisting device capable of adjusting the angle of a wind power blade, which comprises a clamp assembly, a slide block type inclination angle adjusting assembly, a slide block type rotation angle adjusting assembly, a control assembly, a platform and a universal joint, and the universal joint is vertically fixed on the top surface of the platform; the two clamp assemblies are arranged in the length direction of the platform in a spaced mode. The two sliding block type inclination angle adjusting assemblies are symmetrically arranged in the length direction of the platform at intervals. The two sliding block type rotation angle adjusting assemblies are symmetrically arranged in the width direction of the platform at intervals. The control assembly is used for controlling the clamp assembly, the sliding block type inclination angle adjusting assembly and the sliding block type rotation angle adjusting assembly. The hoisting device capable of adjusting the angle of the wind power blade can overcome the defect that the wind power blade cannot be properly rotated or inclined, so that the butt joint assembly of the wind power blade is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine blade hoisting equipment, in particular to a hoisting device capable of adjusting the angle of a wind turbine blade. Background Art

[0002] Wind turbine blades are the core components of wind turbines that convert natural wind energy into electrical energy for wind turbines. When installing wind turbine blades, they need to be hoisted by cranes and hoisting devices. There are generally two ways to hoist wind turbine blades. One is to hoist and assemble a single wind turbine blade, and the other is to hoist all the wind turbine blades after the wind turbine blades are assembled. Among them, hoisting a single wind turbine blade is more widely used.

[0003] The existing wind turbine blade hoisting process still has shortcomings: the angle of the wind turbine blade cannot be adjusted according to actual needs, that is, the hoisted wind turbine blade cannot be properly rotated or tilted, which makes it inconvenient to dock and assemble the wind turbine blade.

[0004] Therefore, it is necessary to develop a hoisting device capable of adjusting the angle of wind turbine blades to address the above defects. Utility Model Content

[0005] The utility model aims to provide a hoisting device capable of adjusting the angle of a wind turbine blade, which can solve the defect that the hoisted wind turbine blade cannot be properly rotated or tilted, resulting in inconvenience in docking and assembling the wind turbine blade.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model discloses a hoisting device capable of adjusting the angle of a wind turbine blade, comprising a clamp assembly, a slider-type tilt angle adjustment assembly, a slider-type rotation angle adjustment assembly, a control assembly, a platform and a universal joint;

[0008] The universal joint is vertically fixed at the center of the top surface of the platform, and a lifting ring is fixed on the top of the universal joint;

[0009] The platform is arranged horizontally, the clamp assembly is installed at the end of the bottom surface of the platform, and two clamp assemblies are provided and arranged at intervals along the length direction of the platform;

[0010] The slider-type tilt adjustment assembly is installed on the top surface of the platform, and two slider-type tilt adjustment assemblies are provided and are symmetrically arranged along the length direction of the platform, and the two slider-type tilt adjustment assemblies are distributed on both sides of the universal joint;

[0011] The slider-type rotation angle adjustment assembly is installed in the middle of the top surface of the platform. Two slider-type rotation angle adjustment assemblies are provided and are symmetrically arranged along the width direction of the platform. The two slider-type rotation angle adjustment assemblies are distributed on the other two sides of the universal joint.

[0012] The control assembly is installed at the center of the bottom surface of the platform, and is used to control the clamp assembly, the slider-type tilt angle adjustment assembly, and the slider-type rotation angle adjustment assembly.

[0013] Furthermore, the clamp assembly includes a clamp, a hanging plate and an electric telescopic cylinder, the clamp includes two cross-hinged clamp arm rods, the electric telescopic cylinder is mounted on the top ends of the two clamp arm rods and hinged with the clamp arm rods, and the jaws of the clamp open and close along the width direction of the platform; there are two hanging plates, the two hanging plates are arranged in parallel with each other and the top ends are fixedly connected to the bottom surface of the platform, the two ends of the hinge axes of the two clamp arm rods are respectively fixedly connected to the two hanging plates, a cylindrical protrusion is fixed on one side of the top of the clamp arm rod, and a groove is provided on one side of the hanging plate, the groove is adapted to the running trajectory of the cylindrical protrusion, and the cylindrical protrusion slides in cooperation with the groove.

[0014] Furthermore, the clamp assembly also includes a rubber airbag, two of which are provided and both are located in the jaws, the cavity surrounded by the two rubber airbags matches the outer wall of the wind turbine blade, and the two rubber airbags are respectively fixedly connected to the corresponding clamp arm rods; the rubber airbag includes an inflation nozzle, an electric valve and an exhaust nozzle, the inflation nozzle passes through the clamp arm rod and is connected to an inflation pipe, and the exhaust nozzle passes through the clamp arm rod and is connected to the electric valve.

[0015] Furthermore, the slider-type inclination adjustment assembly includes a screw motor, a first counterweight and a dovetail slide rail, the dovetail slide rail is arranged along the length direction of the platform and is fixedly connected to the top surface of the platform, and two dovetail slide rails are provided and are parallel to each other; the bottom surface of the first counterweight is provided with a dovetail groove matching the dovetail slide rail, and the dovetail groove is slidably connected to the dovetail slide rail; the screw motor is fixed to the top surface of the platform, the screw of the screw motor is arranged along the length direction of the platform and passes through the first counterweight, and the screw is threadedly connected to the first counterweight; a limit plate is fixed to the top surface of the platform, and one side of the limit plate is in rotational contact with the end of the screw.

[0016] Furthermore, the slider-type rotation angle adjustment assembly includes an electric push rod, a second counterweight block and a mounting plate, the mounting plate is fixed to the middle of the top surface of the platform, the electric push rod is fixedly connected to the mounting plate, the electric push rod is arranged along the width direction of the platform, the telescopic end of the electric push rod is fixedly connected to the second counterweight block, and the second counterweight block is in sliding contact with the top surface of the platform.

[0017] Furthermore, the control component includes a box, a controller, a generator, a battery, an air pump and a wireless remote control. The box is fixed at the center of the bottom surface of the platform, and the controller is fixed on one side of the box. A wireless receiving module is provided in the controller, and the wireless receiving module is network-connected to the wireless remote control. The generator, the battery and the air pump are all installed in the box, and the generator is electrically connected to the battery. The air outlet of the air pump is connected to the inflation nozzle. The generator, the air pump, the battery, the screw motor, the electric valve, the electric push rod and the electric telescopic cylinder are electrically connected to the controller respectively. A vent is provided on the bottom surface of the box.

[0018] Compared with the prior art, the beneficial technical effects of the utility model are:

[0019] The utility model discloses a hoisting device with the function of adjusting the angle of a wind turbine blade. The hook of the crane is hung with the hoisting ring, the wind turbine blade is clamped by the clamp assembly, the universal joint acts as a joint, the inclination of the wind turbine blade is adjusted by the slider type inclination adjustment assembly, and the rotation angle of the wind turbine blade is adjusted by the slider type rotation angle adjustment assembly, thereby achieving that the hoisted wind turbine blade can be properly rotated or tilted, which is convenient for the docking and assembly of the wind turbine blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 It is a left-side structural schematic diagram of the utility model;

[0023] Figure 3 It is a right view structural schematic diagram of the utility model;

[0024] Figure 4 This is a schematic diagram of the exploded structure of the clamp and the hanging plate of the utility model;

[0025] Figure 5 This is a functional block diagram of the control component of the utility model.

[0026] Explanation of the reference numerals in the accompanying drawings: 1. Platform; 2. Universal joint; 201. Lifting ring; 3. Clamp; 301. Cylindrical protrusion; 4. Hanging plate; 401. Groove; 5. Electric telescopic cylinder; 6. Rubber airbag; 601. Inflating nozzle; 602. Electric valve; 7. Screw motor; 8. First counterweight; 9. Dovetail slide rail; 10. Limit plate; 11. Electric push rod; 12. Second counterweight; 13. Mounting plate; 14. Box; 15. Controller. DETAILED DESCRIPTION

[0027] The core of the utility model is to provide a hoisting device capable of adjusting the angle of a wind turbine blade, which can solve the defect that the hoisted wind turbine blade cannot be properly rotated or tilted, resulting in inconvenience in docking and assembling the wind turbine blade.

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "middle", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] In a specific embodiment of the present invention, Figures 1 to 5 As shown, it includes a clamp assembly, a slider-type tilt angle adjustment assembly, a slider-type rotation angle adjustment assembly, a control assembly, a platform 1 and a universal joint 2;

[0031] The universal joint 2 is vertically fixed at the center of the top surface of the platform 1, and a lifting ring 201 is fixed at the top of the universal joint 2;

[0032] The platform 1 is arranged horizontally, and the clamp assembly is installed at the end of the bottom surface of the platform 1. Two clamp assemblies are provided and are arranged at intervals along the length direction of the platform 1;

[0033] The slider-type tilt adjustment assembly is installed on the top surface of the platform 1. Two slider-type tilt adjustment assemblies are provided and are symmetrically arranged along the length direction of the platform 1. The two slider-type tilt adjustment assemblies are distributed on both sides of the universal joint 2.

[0034] The slider-type rotation angle adjustment assembly is installed in the middle of the top surface of the platform 1. Two slider-type rotation angle adjustment assemblies are provided and are symmetrically arranged along the width direction of the platform 1. The two slider-type rotation angle adjustment assemblies are distributed on the other two sides of the universal joint 2.

[0035] The control assembly is installed at the center of the bottom surface of the platform 1. The control assembly is used to control the clamp assembly, the slider-type tilt adjustment assembly and the slider-type rotation angle adjustment assembly. Specifically, the platform 1 is in the shape of a plate, which can be made of a flat plate and can be provided with reinforcing ribs. The platform 1 can also be a truss, and the upper and lower surfaces of the truss are welded with flat plates. The platform 1 can also be made of a hollow square tube. The hook of the crane is connected to the lifting ring 201, and the wind turbine blade is clamped by the clamp assembly. The universal joint 2 plays a joint role. The tilt angle of the wind turbine blade is adjusted by the slider-type tilt adjustment assembly, and the rotation angle of the wind turbine blade is adjusted by the slider-type rotation angle adjustment assembly. This realizes that the hoisted wind turbine blade can be properly rotated or tilted, which is convenient for the docking and assembly of the wind turbine blade.

[0036] The clamp assembly includes a clamp 3, a hanging plate 4 and an electric telescopic cylinder 5. The clamp 3 includes two cross-hinged clamp arm rods. The electric telescopic cylinder 5 is mounted on the top of the two clamp arm rods and hinged with the clamp arm rods. The jaws of the clamp 3 open and close along the width direction of the platform 1. There are two hanging plates 4. The two hanging plates 4 are arranged in parallel with each other at intervals and the top ends are fixedly connected to the bottom surface of the platform 1. The two ends of the hinge axes of the two clamp arm rods are respectively fixedly connected to the two hanging plates 4. A cylindrical protrusion 301 is fixed on one side of the top of the clamp arm rod, and a groove 401 is opened on one side of the hanging plate 4. The groove 401 is adapted to the running trajectory of the cylindrical protrusion 301, and the cylindrical protrusion 301 and the groove 401 are slidably matched. Specifically, the opening and closing of the clamp 3 is adjusted by extending and shortening the telescopic end of the electric telescopic cylinder 5; when the jaws of the clamp 3 are merged, the cylindrical protrusion 301 is located at the top of the groove 401, and when the jaws of the clamp 3 are opened to the maximum, the cylindrical protrusion 301 is located at the bottom of the groove 401. The groove 401 is used to limit the clamp 3 to prevent the clamp 3 from shaking at will.

[0037] The clamp assembly also includes a rubber airbag 6. Two rubber airbags 6 are provided and both are located in the jaws. The cavity surrounded by the two rubber airbags 6 matches the outer wall of the wind turbine blade. The two rubber airbags 6 are fixedly connected to the corresponding clamp arm rods respectively. The rubber airbag 6 includes an inflation nozzle 601, an electric valve 602 and an exhaust nozzle. The inflation nozzle 601 passes through the clamp arm rod and is connected to an inflation pipe. The exhaust nozzle passes through the clamp arm rod and is connected to the electric valve 602. Specifically, after the jaws of the clamp 3 are merged, the electric valve 602 is closed and the rubber airbag 6 is inflated. After the inflation is completed, the wind turbine blade is clamped. The rubber airbag 6 prevents the clamp 3 from directly clamping the wind turbine blade and prevents the clamp 3 from scratching the surface of the wind turbine blade. After the wind turbine blade is butt-jointed and assembled, the electric valve 602 is opened, and the rubber airbag 6 is deflated. At this time, the utility model can be driven by a crane to move along the length direction of the wind turbine blade to the tail of the wind turbine blade and separate from the wind turbine blade.

[0038] The slider-type inclination adjustment assembly includes a screw motor 7, a first counterweight 8 and a dovetail slide rail 9. The dovetail slide rail 9 is arranged along the length direction of the platform 1 and is fixedly connected to the top surface of the platform 1. Two dovetail slide rails 9 are provided and are parallel to each other; the bottom surface of the first counterweight 8 is provided with a dovetail groove matching the dovetail slide rail 9, and the dovetail groove is slidably connected to the dovetail slide rail 9; the screw motor 7 is fixed to the top surface of the platform 1, and the screw of the screw motor 7 is arranged along the length direction of the platform 1 and passes through the first counterweight 8, and the screw is threadedly connected to the first counterweight 8; a limit plate 10 is fixed to the top surface of the platform 1, and one side of the limit plate 10 is in rotational contact with the end of the screw. When assembling the wind turbine blades, the screw of the screw motor 7 rotates, and the screw thread drives the first counterweight 8 to slide along the width direction of the platform 1. The first counterweights 8 of the two slider-type inclination adjustment assemblies can move in one direction at the same time, or one moves and the other does not move. The staff can decide according to the specific situation. The center of gravity of the utility model changes along the length direction of the platform 1, and the utility model tilts. The wind turbine blades tilt with the utility model, and the inclination angle of the wind turbine blades can be adjusted.

[0039] The slider type rotation angle adjustment assembly includes an electric push rod 11, a second counterweight 12 and a mounting plate 13. The mounting plate 13 is fixed to the middle of the top surface of the platform 1. The electric push rod 11 is fixedly connected to the mounting plate 13. The electric push rod 11 is arranged along the width direction of the platform 1. The telescopic end of the electric push rod 11 is fixedly connected to the second counterweight 12. The second counterweight 12 is in sliding contact with the top surface of the platform 1. Specifically, when assembling the wind turbine blades, the second counterweight 12 is driven to slide along the width direction of the platform 1 by the electric push rod 11. The second counterweights 12 of the two slider type rotation angle adjustment assemblies can move in one direction at the same time, or one moves and the other does not move. The staff can decide according to the specific situation. If the center of gravity of the utility model changes along the width direction of the platform 1, the utility model rotates, and the wind turbine blades rotate with the utility model, then the rotation angle of the wind turbine blades can be adjusted.

[0040] The control assembly includes a box 14, a controller 15, a generator, a battery, an air pump and a wireless remote control. The box 14 is fixed at the center of the bottom surface of the platform 1, and the controller 15 is fixed on one side of the box 14. A wireless receiving module is provided in the controller 15, and the wireless receiving module is connected to the wireless remote control network. The controller 15 is electrically connected to the generator; the generator, the battery and the air pump are all installed in the box 14, the generator is electrically connected to the battery, the air pump is electrically connected to the controller 15, the air outlet end of the air pump is connected to the inflation nozzle 601, the screw motor 7 is electrically connected to the controller 15, the electric valve 602 is electrically connected to the controller 15, the electric push rod 11 is electrically connected to the controller 15, the electric telescopic cylinder 5 is electrically connected to the controller 15, and the battery is electrically connected to the controller 15; a vent is provided on the bottom surface of the box 14. Specifically, the generator is used to generate electricity, the battery is used to store the electricity generated by the generator and provide electricity to the controller 15, the wireless remote control is used to send instructions to the controller 15, the controller 15 controls the start and stop of the generator, the controller 15 controls the start and stop of the air pump, the air pump inflates the rubber airbag 6, the controller 15 controls the start and stop and forward and reverse rotation of the screw motor 7, the controller 15 controls the opening and closing of the electric valve 602, the controller 15 controls the extension and shortening of the telescopic end of the electric push rod 11, and the controller 15 controls the extension and shortening of the telescopic end of the electric telescopic cylinder 5.

[0041] The utility model discloses a hoisting device capable of adjusting the angle of a wind turbine blade, and its working principle is as follows: a hook of a crane is connected to a lifting ring 201, the wind turbine blade is clamped by a clamp assembly, the universal joint 2 acts as a joint, the inclination angle of the wind turbine blade is adjusted by a slider-type inclination angle adjustment assembly, and the rotation angle of the wind turbine blade is adjusted by a slider-type rotation angle adjustment assembly, thereby achieving that the hoisted wind turbine blade can be properly rotated or tilted, which is convenient for the docking and assembly of the wind turbine blade.

[0042] After the jaws of the clamp 3 are merged, the electric valve 602 is closed and the rubber airbag 6 is inflated. After the inflation is completed, the wind turbine blade is clamped, and the rubber airbag 6 prevents the clamp 3 from directly clamping the wind turbine blade, thereby preventing the clamp 3 from scratching the surface of the wind turbine blade; after the wind turbine blade is docked and assembled, the electric valve 602 is opened, and the rubber airbag 6 is deflated. At this time, the utility model can be driven by a crane to move along the length direction of the wind turbine blade to the tail of the wind turbine blade and separate from the wind turbine blade.

[0043] When assembling the wind turbine blades, the screw of the screw motor 7 rotates, and the screw thread drives the first counterweight 8 to slide along the width direction of the platform 1. The first counterweights 8 of the two slider-type inclination adjustment assemblies can move in one direction at the same time, or one moves and the other does not move. The staff can decide according to the specific situation. The center of gravity of the utility model changes along the length direction of the platform 1, and the utility model tilts. The wind turbine blades tilt with the utility model, and the inclination angle of the wind turbine blades can be adjusted.

[0044] When assembling wind turbine blades, the second counterweight 12 is driven by the electric push rod 11 to slide along the width direction of the platform 1. The second counterweights 12 of the two slider-type rotation angle adjustment assemblies can move in one direction at the same time, or one moves and the other does not move. The staff can decide according to the specific situation. Then, the center of gravity of the utility model changes along the width direction of the platform 1, and the utility model rotates. The wind turbine blades rotate with the utility model, and the rotation angle of the wind turbine blades can be adjusted.

[0045] 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, and the embodiments can be combined with 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.

[0046] The above embodiments are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A hoisting device capable of adjusting the angle of a wind turbine blade, characterized in that: It comprises a clamp assembly, a slider-type tilt angle adjustment assembly, a slider-type rotation angle adjustment assembly, a control assembly, a platform (1) and a universal joint (2); The universal joint (2) is vertically fixed at the center of the top surface of the platform (1), and a lifting ring (201) is fixed at the top of the universal joint (2); The platform (1) is arranged horizontally, and the clamp assembly is installed at the end of the bottom surface of the platform (1). Two clamp assemblies are provided and are arranged at intervals along the length direction of the platform (1); The slider-type tilt adjustment assembly is installed on the top surface of the platform (1), two slider-type tilt adjustment assemblies are provided and are symmetrically arranged along the length direction of the platform (1), and the two slider-type tilt adjustment assemblies are distributed on both sides of the universal joint (2); The slider-type rotation angle adjustment component is installed in the middle of the top surface of the platform (1), two slider-type rotation angle adjustment components are provided and are symmetrically arranged along the width direction of the platform (1), and the two slider-type rotation angle adjustment components are distributed on the other two sides of the universal joint (2); The control component is installed at the center of the bottom surface of the platform (1), and is used to control the clamp component, the slider-type tilt angle adjustment component and the slider-type rotation angle adjustment component.

2. The hoisting device capable of adjusting the angle of wind turbine blades according to claim 1 is characterized in that: The clamp assembly comprises a clamp (3), a hanging plate (4) and an electric telescopic cylinder (5), wherein the clamp (3) comprises two cross-hinged clamp arm rods, the electric telescopic cylinder (5) is mounted on the top ends of the two clamp arm rods and is hinged to the clamp arm rods, and the jaws of the clamp (3) open and close along the width direction of the platform (1); two hanging plates (4) are provided, the two hanging plates (4) are arranged in parallel with each other at intervals and the top ends are fixedly connected to the bottom surface of the platform (1), the two ends of the hinge shafts of the two clamp arm rods are respectively fixedly connected to the two hanging plates (4), a cylindrical protrusion (301) is fixed on one side of the top of the clamp arm rod, a groove (401) is provided on one side of the hanging plate (4), the groove (401) is adapted to the running track of the cylindrical protrusion (301), and the cylindrical protrusion (301) and the groove (401) are slidably matched.

3. The hoisting device capable of adjusting the angle of wind turbine blades according to claim 2 is characterized in that: The clamp assembly also includes a rubber airbag (6), two rubber airbags (6) are provided and both are located in the jaws, the cavity surrounded by the two rubber airbags (6) matches the outer wall of the wind turbine blade, and the two rubber airbags (6) are respectively fixedly connected to the corresponding clamp arm rods; the rubber airbag (6) includes an inflation nozzle (601), an electric valve (602) and an exhaust nozzle, the inflation nozzle (601) passes through the clamp arm rod and is connected to an inflation pipe, and the exhaust nozzle passes through the clamp arm rod and is connected to the electric valve (602).

4. The hoisting device capable of adjusting the angle of wind turbine blades according to claim 3 is characterized in that: The slider-type inclination adjustment assembly comprises a screw motor (7), a first counterweight (8) and a dovetail slide rail (9); the dovetail slide rail (9) is arranged along the length direction of the platform (1) and is fixedly connected to the top surface of the platform (1); two dovetail slide rails (9) are provided and are parallel to each other; a dovetail groove matching the dovetail slide rail (9) is provided on the bottom surface of the first counterweight (8); the dovetail groove is slidably connected to the dovetail slide rail (9); the screw motor (7) is fixed to the top surface of the platform (1); a screw of the screw motor (7) is arranged along the length direction of the platform (1) and passes through the first counterweight (8); the screw is threadedly connected to the first counterweight (8); a limit plate (10) is fixed to the top surface of the platform (1); one side of the limit plate (10) is in rotational contact with the end of the screw.

5. The hoisting device capable of adjusting the angle of wind turbine blades according to claim 4 is characterized in that: The slider-type rotation angle adjustment assembly comprises an electric push rod (11), a second counterweight (12) and a mounting plate (13); the mounting plate (13) is fixed to the top surface of the platform (1); the electric push rod (11) is fixedly connected to the mounting plate (13); the electric push rod (11) is arranged along the width direction of the platform (1); the telescopic end of the electric push rod (11) is fixedly connected to the second counterweight (12); and the second counterweight (12) is in sliding contact with the top surface of the platform (1).

6. The hoisting device capable of adjusting the angle of wind turbine blades according to claim 5 is characterized in that: The control assembly comprises a box (14), a controller (15), a generator, a battery, an air pump and a wireless remote control. The box (14) is fixed at the center of the bottom surface of the platform (1). The controller (15) is fixed on one side of the box (14). A wireless receiving module is arranged in the controller (15). The wireless receiving module is connected to the wireless remote control network. The generator, the battery and the air pump are all installed in the box (14). The generator is electrically connected to the battery. The air outlet of the air pump is connected to the inflation nozzle (601). The generator, the air pump, the battery, the screw motor (7), the electric valve (602), the electric push rod (11) and the electric telescopic cylinder (5) are electrically connected to the controller (15) respectively. A vent is provided on the bottom surface of the box (14).

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