CN114249231B

CN114249231B - Sink device, fan and air conditioner

Info

Publication number: CN114249231B
Application number: CN202111583961.6A
Authority: CN
Inventors: 刘达; 黄荣杰; 孙鑫
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-12-09
Anticipated expiration: 2041-12-22
Also published as: CN114249231A

Abstract

The invention provides a sinking device, a fan and an air conditioner, wherein the sinking device comprises: the fan assembly lifting device comprises an upright post, a cross beam and a lifting device, wherein the upright post is vertically arranged on a bottom plate, the cross beam is horizontally arranged on the upright post, the cross beam is provided with the lifting device capable of sinking and lifting the fan assembly, the cross beam is also provided with a suction device, when the lifting device sinks the fan assembly, suction force is not generated between the suction device and the fan assembly, and when the lifting device lifts the fan assembly, the suction device can suck the fan assembly on the cross beam; the process of the fan assembly lifting out of the ground in the installation and sinking process and later maintenance of the fan assembly is avoided, accidents are easy to happen due to manual operation, personnel injuries and equipment damage are caused, the safety of installation and maintenance of the fan assembly is improved, and the efficiency of installation and maintenance of the fan assembly is improved.

Description

Sink device, fan and air conditioner

Technical Field

The invention belongs to the technical field of air conditioner fans, and particularly relates to a sinking device, a fan and an air conditioner.

Background

The existing air-conditioning fan is fixed on a base by a support in a placing mode when leaving a factory. The sinking mode is manual sinking during installation, two persons are required to lift the fan, and one person sinks after removing the bracket fixing plate. In the process, the whole course of the fan needs to be manually lifted, the fan has certain weight, the operation space is difficult to accommodate three persons, accidents are easy to happen when the fan is lifted, personnel are injured, equipment is damaged, and the fan is made to sink with certain difficulty.

The new machine room generally considers wiring at the bottom of a server during construction, the demand of a machine room air conditioner for downward air supply is increased, the existing machine room is generally installed on site, a fan in a unit is sunk for working, namely a fan assembly is arranged on the ground, however, the fan needs to be lifted when the fan breaks down, when the fan assembly is lifted, the fan assembly is lifted in a lifting mode through manpower, the weight and the volume of the fan assembly are large, when the fan assembly is lifted manually, great labor is wasted, the fan assembly is not easy to lift out of the ground by workers, the operation is inconvenient, and if the workers feel that physical strength is insufficient during lifting, the fan assembly suddenly drops after hands are loosened, the fan assembly is easy to damage, and great potential safety hazards exist; after maintenance is finished, a manual descending mode is adopted for workers to lift the fan assembly for a long time, and the fan assembly is easy to collide with the ground at the moment when the fan assembly is in place, so that the fan assembly is damaged again; the manual operation is adopted, the operation process is time-consuming and labor-consuming, and the great safety is hidden.

Disclosure of Invention

Therefore, the invention provides a sinking device, a fan and an air conditioner, and aims to solve the technical problems that accidents are easy to occur due to manual operation in the process of lifting the fan assembly out of the ground in the installation and sinking process and the later maintenance process of the existing fan assembly, and personnel injuries and equipment damages are caused.

In order to solve the above problems, the present invention provides a sinking apparatus comprising: the vertical setting of stand, crossbeam, hoisting accessory, the stand is on the bottom plate, and the crossbeam level sets up on the stand, is provided with the hoisting accessory that can sink and lift by crane fan subassembly on the crossbeam, still sets up suction device on the crossbeam, and when hoisting accessory sinks fan subassembly, do not produce the suction between suction device and the fan subassembly, when hoisting accessory hoisted fan subassembly, suction device can with the suction of fan subassembly on the crossbeam.

In some embodiments, the lifting device comprises a motor and a transmission belt, the motor is fixedly arranged on the cross beam, one end of the transmission belt is wound on an output shaft of the motor, and the other end of the transmission belt is fixedly connected with the fan assembly.

In some embodiments, the fan assembly further comprises a mounting plate and a support, the mounting plate is fixedly arranged on the upper surface of the fan assembly, the support is located under the motor, the support is fixedly arranged on the upper surface of the mounting plate, hoisting holes are formed in the support, and the transmission belt is fixed on the hoisting holes.

In some embodiments, the attraction device comprises an electromagnet and an attraction iron block, the electromagnet is fixedly arranged on the cross beam and located right below the motor, the attraction iron block is fixedly arranged on the top of the support, the electromagnet is provided with a mobile power supply, the electromagnet is electrically connected with the mobile power supply in a normally closed mode, and when the fan assembly sinks, the electromagnet is disconnected from the mobile power supply once and then returns to the normally closed electrical connection state.

In some embodiments, the fan assembly further comprises a power supply and a single-pole double-throw switch, wherein the power supply is electrically connected with the motor through the single-pole double-throw switch, the single-pole double-throw switch comprises an upper state, a middle state and a lower state, and when the single-pole double-throw switch is in the upper state, the motor sinks the fan assembly through a transmission belt; when the single-pole double-throw switch is in a lower position state, the motor lifts the fan assembly through the transmission belt.

In some embodiments, when the upper surface of the mounting plate is coincident with the upper surface of the bottom plate, or the electromagnet and the attraction iron block are attracted, or the single-pole double-throw switch is in a neutral state, the motor stops rotating.

In some embodiments, the switch protection button is further included, and when the switch protection button is not pressed, the single-pole double-throw switch is in a middle state and cannot be switched to a top state or a bottom state.

In some embodiments, the upright columns include a first upright column, a second upright column, a third upright column and a fourth upright column, the first upright column, the second upright column, the third upright column and the fourth upright column are respectively arranged at four corners of the bottom plate, the cross beam includes a first cross beam and a second cross beam, the first cross beam is fixedly arranged at the upper ends of the first upright column and the second upright column, the second cross beam is fixedly arranged at the upper ends of the third upright column and the fourth upright column, and the first cross beam and the second cross beam are arranged in parallel.

In some embodiments, the motors include a first motor, a second motor, a third motor, and a fourth motor, the first motor and the second motor disposed on the first beam, the third motor and the fourth motor disposed on the second beam.

In some embodiments, the electromagnets include a first electromagnet disposed on the first beam below the first motor, a second electromagnet disposed on the first beam below the second motor, a third electromagnet disposed on the second beam below the third motor, and a fourth electromagnet disposed on the second beam below the fourth motor.

In some embodiments, the bracket includes a first bracket, a second bracket, a third bracket and a fourth bracket, the first bracket, the second bracket, the third bracket and the fourth bracket are all provided with hoisting holes, the first bracket is fixedly arranged at a position below the first motor on the mounting plate, the second bracket is fixedly arranged at a position below the second motor on the mounting plate, the third bracket is fixedly arranged at a position below the third motor on the mounting plate, and the fourth bracket is fixedly arranged at a position below the fourth motor on the mounting plate.

In some embodiments, the attracting iron block includes a first attracting iron block, a second attracting iron block, a third attracting iron block, and a fourth attracting iron block, the first attracting iron block is disposed at the upper end of the first bracket, the second attracting iron block is disposed at the upper end of the second bracket, the third attracting iron block is disposed at the upper end of the third bracket, and the fourth attracting iron block is disposed at the upper end of the fourth bracket.

In some embodiments, the bottom plate is provided with a sinking hole for sinking the fan assembly, after sinking, the fan assembly is in the sinking hole, and the mounting plate is hung on the bottom plate.

A fan comprises the sinking device.

An air conditioner comprises the fan.

The sinking device provided by the invention has the following beneficial effects:

the invention provides a sinking device, comprising: the fan assembly lifting device comprises an upright post, a cross beam and a lifting device, wherein the upright post is vertically arranged on a bottom plate, the cross beam is horizontally arranged on the upright post, the cross beam is provided with the lifting device capable of sinking and lifting the fan assembly, the cross beam is also provided with a suction device, when the lifting device sinks the fan assembly, suction force is not generated between the suction device and the fan assembly, and when the lifting device lifts the fan assembly, the suction device can suck the fan assembly on the cross beam; the process of the fan assembly lifting out of the ground in the installation and sinking process and later maintenance of the fan assembly is avoided, accidents are easy to happen due to manual operation, personnel injuries and equipment damage are caused, the safety of installation and maintenance of the fan assembly is improved, and the efficiency of installation and maintenance of the fan assembly is improved.

On the other hand, the fan and the air conditioner provided by the invention are manufactured based on the sinking device, and the beneficial effects of the fan and the air conditioner refer to the beneficial effects of the sinking device, which are not described herein in detail.

Drawings

Fig. 1 is a schematic structural view of a sinking device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sinking device according to an embodiment of the present invention;

the reference numerals are represented as:

10. a column; 11. a cross beam; 12. a base plate; 13. a motor; 14. a support; 15. an electromagnet; 16. attracting the iron block; 17. a single pole double throw switch; 18. a transmission belt; 19. mounting a plate; 20. a fan assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to be exhaustive or exhaustive. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a sinking apparatus comprising: the vertical fan assembly lifting device comprises a vertical column 10, a cross beam 11 and a lifting device, wherein the vertical column 10 is vertically arranged on a bottom plate 12, the cross beam 11 is horizontally arranged on the vertical column 10, the lifting device capable of sinking and lifting the fan assembly 20 is arranged on the cross beam 11, an attraction device is further arranged on the cross beam 11, when the lifting device sinks the fan assembly 20, attraction force is not generated between the attraction device and the fan assembly 20, and when the lifting device lifts the fan assembly 20, the attraction device can attract the fan assembly 20 on the cross beam 11.

In the embodiment, the upright post 10 is vertically arranged on the bottom plate 12, the cross beam 11 is horizontally arranged on the upright post 10, the cross beam 11 is provided with a lifting device capable of lifting the fan assembly 20, the cross beam 11 is also provided with an attraction device, when the lifting device sinks the fan assembly 20, attraction force is not generated between the attraction device and the fan assembly 20, when the lifting device lifts the fan assembly 20, the attraction device can attract the fan assembly 20 on the cross beam 11, so that the phenomenon that the fan assembly 20 is lifted out of the ground in the installation sinking process and later maintenance process by adopting manual operation easily occurs accidents is avoided, personnel injuries and equipment damages are caused, the installation and maintenance safety of the fan assembly 20 is improved, and meanwhile, the installation and maintenance efficiency of the fan assembly 20 is improved.

In some embodiments, the lifting device includes a motor 13 and a transmission belt 18, the motor 13 is fixedly disposed on the cross beam 11, one end of the transmission belt 18 is wound on an output shaft of the motor 13, and the other end of the transmission belt 18 is fixedly connected to the fan assembly 20.

The hoisting accessory of this embodiment includes motor 13 and drive belt 18, motor 13 is fixed to be set up on

crossbeam

11, 18 one end of drive belt is around establishing on motor 13's output shaft, 18 other end and the fan subassembly 20 fixed connection of drive belt, realize sinking and lifting by crane of fan subassembly 20 through drive belt 18 after motor 13 circular telegram, the process of having solved fan subassembly 20 and having promoted fan subassembly 20 out of ground in installation process and later maintenance is adopted manual operation and is easily happened the accident, cause the technical problem of the damage of personnel's injury and equipment.

In some embodiments, the fan assembly further comprises a mounting plate 19 and a bracket 14, the mounting plate 19 is fixedly arranged on the upper surface of the fan assembly 20, the bracket 14 is located right below the motor 13, the bracket 14 is fixedly arranged on the upper surface of the mounting plate 19, the bracket 14 is provided with a hoisting hole, and the transmission belt 18 is fixed on the hoisting hole.

This embodiment still includes mounting panel 19 and support 14, the fixed upper surface that sets up at fan subassembly 20 of mounting panel 19, support 14 is located motor 13 under, support 14 is fixed to be set up at mounting panel 19's upper surface, support 14 can adopt welded mode fixed with mounting panel 19, the hole for hoist has been seted up to support 14, drive belt 18 is fixed on the hole for hoist, it lifts by crane fan subassembly 20 to realize motor 13, support 14 is located motor 13 under, vertical lifting by crane, it is more convenient to lift by crane.

In some embodiments, the attraction device includes an electromagnet 15 and an attraction iron block 16, the electromagnet 15 is fixedly disposed on the cross beam 11 and located right below the motor 13, the attraction iron block 16 is fixedly disposed on the top of the bracket 14, the electromagnet 15 is configured with a mobile power supply, the electromagnet 15 is electrically connected to the mobile power supply in a normally closed manner, and when the fan assembly 20 sinks, the electromagnet 15 is disconnected from the mobile power supply once and then returns to the normally closed electrical connection state.

The suction device of the embodiment comprises an electromagnet 15 and a suction iron block 16, the electromagnet 15 is fixedly arranged on the cross beam 11 and is positioned under the motor 13, the suction iron block 16 is fixedly arranged on the top of the support 14, the suction iron block 16 and the support 14 can be fixed in a welding mode, when the motor 13 lifts the fan assembly 20 through a driving belt 18 until the electromagnet 15 is attached to the suction iron block 16, the fan assembly 20 is fixed on the cross beam 11 through suction of the electromagnet 15 and the suction iron block 16, the suction of the electromagnet 15 is enough to stably suck and fix the fan assembly 20 on the cross beam 11, so that the maintenance of personnel is convenient, in addition, when leaving the factory, the fan assembly 20 does not need to be fixed on a base through screws, the fan assembly 20 is stably sucked and fixed on the cross beam 11 through the suction of the electromagnet 15, the electromagnet 15 is provided with a mobile power supply, the electromagnet 15 is normally closed and electrically connected with the mobile power supply, when the fan assembly 20 sinks, the electromagnet 15 is disconnected with the mobile power supply once, the electromagnet 15 is ensured to be disconnected with the mobile power supply when the electromagnet 15 sinks, the electromagnet 15 is disconnected with the mobile power supply, and the electromagnet 15 is electrically connected with the mobile power supply, and the electromagnet 15 is ensured to be in a normally closed state.

In some embodiments, the fan further comprises a power supply and a single-pole double-throw switch 17, the power supply is electrically connected with the motor 13 through the single-pole double-throw switch 17, the single-pole double-throw switch 17 comprises an upper state, a middle state and a lower state, and when the single-pole double-throw switch 17 is in the upper state, the motor 13 sinks the fan assembly 20 through the transmission belt 18; when the single-pole double-throw switch 17 is in a down state, the motor 13 lifts the fan assembly 20 through the transmission belt 18.

When the upper surface of the mounting plate 19 is overlapped with the upper surface of the bottom plate 12, or the electromagnet 15 and the attraction iron block 16 are attracted, or the single-pole double-throw switch 17 is in a middle state, the motor 13 stops rotating.

The embodiment also comprises a power supply and a single-pole double-throw switch 17, wherein the power supply is electrically connected with the motor 13 through the single-pole double-throw switch 17, the single-pole double-throw switch 17 comprises an upper state, a middle state and a lower state, when the single-pole double-throw switch 17 is in the upper state, because the electromagnet 15 is disconnected with the mobile power supply once and then is recovered to the normally closed electric connection state when sinking, the electromagnet 15 loses suction force, the motor 13 sinks the fan assembly 20 through the driving belt 18, and when the upper surface of the mounting plate 19 is superposed with the upper surface of the bottom plate 12, the motor 13 stops rotating; when the single-pole double-throw switch 17 is in a lower position, the motor 13 lifts the fan assembly 20 through the transmission belt 18, and because the electromagnet 15 is disconnected with the mobile power supply once and then returns to a normally closed electric connection state when sinking, the electromagnet 15 is close to the attraction iron block 16 to attract, and when the electromagnet 15 and the attraction iron block 16 attract, the motor 13 stops rotating; when the single-pole double-throw switch 17 is in the neutral state, the power supply is disconnected from the motor 13, and the motor 13 stops rotating.

In some embodiments, a switch protection button is further included, and when the switch protection button is not pressed, the single-pole double-throw switch 17 is in a middle state and cannot be switched to a top state or a bottom state.

This embodiment is through setting up switch protection button, and when switch protection button did not press, single-pole double-throw switch 17 was in the meso position state, and can not switch to upper position state or next state, protects single-pole double-throw switch 17, and only when switch protection button pressed, single-pole double-throw switch 17 could normal operating, avoided because of the maloperation emergence accident.

In some embodiments, the pillars 10 include a first pillar, a second pillar, a third pillar, and a fourth pillar, the first pillar, the second pillar, the third pillar, and the fourth pillar are respectively disposed at four corners of the bottom plate 12, the cross beam 11 includes a first cross beam and a second cross beam, the first cross beam is fixedly disposed at upper ends of the first pillar and the second pillar, the second cross beam is fixedly disposed at upper ends of the third pillar and the fourth pillar, and the first cross beam and the second cross beam are disposed in parallel.

The stand 10 of this embodiment includes first stand, the second stand, third stand and fourth stand, first stand, the second stand, third stand and fourth stand set up respectively in four angles of bottom plate 12, crossbeam 11 includes first crossbeam and second crossbeam, the fixed upper end that sets up at first stand and second stand of first crossbeam, the fixed upper end that sets up at third stand and fourth stand of second crossbeam, first crossbeam and second crossbeam parallel arrangement, it is more firm to make the gallows that plays that stand 10 and crossbeam 11 constitute, the security of lifting by crane has been improved.

In some embodiments, the motors 13 include a first motor, a second motor, a third motor, and a fourth motor, the first motor and the second motor being disposed on the first beam, the third motor and the fourth motor being disposed on the second beam.

This embodiment sets up first motor and second motor through setting up on first crossbeam, sets up third motor and fourth motor on the second crossbeam, makes motor 13 to fan assembly 20 process of lifting by crane or the process of sinking more steady, prevents to lift by crane the process or the process of sinking fan assembly 20 swing too big damage of colliding with.

In addition, the first motor and the second motor are symmetrically arranged on the first cross beam for more stable hoisting or sinking, and the third motor and the fourth motor are correspondingly symmetrically arranged on the second cross beam.

In some embodiments, the electromagnets 15 include a first electromagnet disposed on the first beam below the first motor, a second electromagnet disposed on the first beam below the second motor, a third electromagnet disposed on the second beam below the third motor, and a fourth electromagnet disposed on the second beam below the fourth motor.

In some embodiments, the bracket 14 includes a first bracket, a second bracket, a third bracket, and a fourth bracket, each of which is provided with a lifting hole, the first bracket is fixedly disposed on the mounting plate 19 at a position below the first motor, the second bracket is fixedly disposed on the mounting plate 19 at a position below the second motor, the third bracket is fixedly disposed on the mounting plate 19 at a position below the third motor, and the fourth bracket is fixedly disposed on the mounting plate 19 at a position below the fourth motor.

The support 14 of this embodiment includes the first support, the second support, third support and fourth support, the first support, the second support, third support and fourth support all are provided with the hole for hoist, the fixed position that sets up first motor below on mounting panel 19 of first support, the fixed position that sets up second motor below on mounting panel 19 of second support, the fixed position that sets up third motor below on mounting panel 19 of third support, the fixed position that sets up fourth motor below on mounting panel 19 of fourth support, make drive belt 18 on the first motor fixed with the hole for hoist on the first support, drive belt 18 on the second motor is fixed with the hole for hoist on the second support, drive belt 18 on the third motor is fixed with the hole for hoist of third support, drive belt 18 on the fourth motor is fixed with the hole for hoist of fourth support, it is more steady to make motor 13 lift by crane process or the process of sinking fan subassembly 20, prevent to lift by crane the process or the process of sinking fan subassembly 20 swing too big damage of colliding with.

In some embodiments, the attracting iron 16 includes a first attracting iron, a second attracting iron, a third attracting iron, and a fourth attracting iron, the first attracting iron is disposed at the upper end of the first bracket, the second attracting iron is disposed at the upper end of the second bracket, the third attracting iron is disposed at the upper end of the third bracket, and the fourth attracting iron is disposed at the upper end of the fourth bracket.

The attraction iron block 16 of the embodiment comprises a first attraction iron block, a second attraction iron block, a third attraction iron block and a fourth attraction iron block, wherein the first attraction iron block is arranged at the upper end of the first support, the second attraction iron block is arranged at the upper end of the second support, the third attraction iron block is arranged at the upper end of the third support, the fourth attraction iron block is arranged at the upper end of the fourth support, when the motor 13 lifts the fan assembly 20 to the top through the transmission belt 18, the first attraction iron block is attracted with the first electromagnet, the second attraction iron block is attracted with the second electromagnet, the third attraction iron block is attracted with the third electromagnet, the fourth attraction iron block is attracted with the fourth electromagnet, so that the fan assembly 20 can be more firmly attracted on the cross beam 11, and the safety is improved.

In some embodiments, the bottom plate 12 is provided with a lower counter bore for sinking the fan assembly 20, after sinking, the fan assembly 20 is located in the lower counter bore, and the fan assembly 20 is hung on the bottom plate 12 through the mounting plate 19.

A fan comprises the sinking device.

An air conditioner comprises the fan.

It is easily understood by those skilled in the art that the above-described modes can be freely combined and superimposed without conflict.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sinking apparatus, comprising: stand (10), crossbeam (11), hoisting accessory, the vertical setting of stand (10) is on bottom plate (12), crossbeam (11) level sets up on stand (10), be provided with the hoisting accessory that can sink and lift by crane fan subassembly (20) on crossbeam (11), still set up suction device on crossbeam (11) hoisting accessory is right when fan subassembly (20) sink, suction device with do not produce the suction between fan subassembly (20) hoisting accessory is right when fan subassembly (20) lifts by crane, suction device can with fan subassembly (20) suction is in on crossbeam (11).

2. The sinking device according to claim 1, wherein the hoisting device comprises a motor (13) and a transmission belt (18), the motor (13) is fixedly arranged on the cross beam (11), one end of the transmission belt (18) is wound on an output shaft of the motor (13), and the other end of the transmission belt (18) is fixedly connected with the fan assembly (20).

3. The sinking device according to claim 2, further comprising a mounting plate (19) and a bracket (14), wherein the mounting plate (19) is fixedly arranged on the upper surface of the fan assembly (20), the bracket (14) is positioned under the motor (13), the bracket (14) is fixedly arranged on the upper surface of the mounting plate (19), the bracket (14) is provided with a hoisting hole, and the transmission belt (18) is fixed on the hoisting hole.

4. The device sinks according to claim 3, characterized in that, actuation device includes electro-magnet (15) and actuation iron plate (16) lie in on crossbeam (11) fixed setting under motor (13) electro-magnet (15), actuation iron plate (16) are fixed to be set up the top of support (14), electro-magnet (15) dispose portable power source, electro-magnet (15) with portable power source normal close electricity is connected, and is right when fan subassembly (20) sinks, electro-magnet (15) with portable power source disconnection resumes to normal close electricity connection state after once.

5. The sinking apparatus according to claim 4, further comprising a power supply and a single-pole double-throw switch (17), wherein the power supply is electrically connected with the motor (13) through the single-pole double-throw switch (17), the single-pole double-throw switch (17) comprises an up state, a neutral state and a down state, and when the single-pole double-throw switch (17) is in the up state, the motor (13) sinks the fan assembly (20) through a transmission belt (18); when the single-pole double-throw switch (17) is in a down state, the motor (13) lifts the fan assembly (20) through a transmission belt (18).

6. The sinking apparatus according to claim 5, wherein the motor (13) stops rotating when the upper surface of the mounting plate (19) coincides with the upper surface of the bottom plate (12), or when the electromagnet (15) and the attraction iron block (16) attract each other, or when the single-pole double-throw switch (17) is in the neutral position.

7. The sinking apparatus according to claim 5, further comprising a switch protection button, wherein when the switch protection button is not pressed, the single-pole double-throw switch (17) is in a neutral state and cannot be switched to a high state or a low state.

8. The sinking device according to claim 4, wherein the vertical columns (10) comprise a first vertical column, a second vertical column, a third vertical column and a fourth vertical column, the first vertical column, the second vertical column, the third vertical column and the fourth vertical column are respectively arranged at four corners of the bottom plate (12), the cross beam (11) comprises a first cross beam and a second cross beam, the first cross beam is fixedly arranged at the upper ends of the first vertical column and the second vertical column, the second cross beam is fixedly arranged at the upper ends of the third vertical column and the fourth vertical column, and the first cross beam and the second cross beam are arranged in parallel.

9. The sinking apparatus according to claim 8, wherein the motor (13) comprises a first motor, a second motor, a third motor and a fourth motor, the first motor and the second motor being arranged on the first beam, the third motor and the fourth motor being arranged on the second beam.

10. The sinking device according to claim 9, wherein the electromagnets (15) comprise a first electromagnet, a second electromagnet, a third electromagnet and a fourth electromagnet, the first electromagnet being arranged on the first beam below the first motor, the second electromagnet being arranged on the first beam below the second motor, the third electromagnet being arranged on the second beam below the third motor, the fourth electromagnet being arranged on the second beam below the fourth motor.

11. The sinking apparatus according to claim 10, wherein the support (14) comprises a first support, a second support, a third support and a fourth support, the first support, the second support, the third support and the fourth support are provided with the lifting holes, the first support is fixedly arranged on the mounting plate (19) at a position below the first motor, the second support is fixedly arranged on the mounting plate (19) at a position below the second motor, the third support is fixedly arranged on the mounting plate (19) at a position below the third motor, and the fourth support is fixedly arranged on the mounting plate (19) at a position below the fourth motor.

12. The sinking device according to claim 11, wherein the attracting iron (16) comprises a first attracting iron, a second attracting iron, a third attracting iron and a fourth attracting iron, the first attracting iron is disposed at the upper end of the first support, the second attracting iron is disposed at the upper end of the second support, the third attracting iron is disposed at the upper end of the third support, and the fourth attracting iron is disposed at the upper end of the fourth support.

13. The sinking device according to claim 1, wherein a sinking hole for sinking the fan assembly (20) is formed in the bottom plate (12), after the sinking is completed, the fan assembly (20) is located in the sinking hole, and the mounting plate (19) is hung on the bottom plate (12).

14. A fan comprising a sinking apparatus according to any one of claims 1-13.

15. An air conditioner characterized by comprising the blower of claim 14.