CN116768018A - Lifting device and air conditioning unit - Google Patents

Abstract

The invention provides a lifting device and an air conditioning unit, wherein the lifting device is used for driving a fan assembly to lift, and comprises: a lifting frame having a moving opening for a portion of the air supply fan assembly to pass through; the lifting assembly is connected with the fan assembly to hoist the fan assembly on the hoisting frame, and is arranged in a relatively movable manner with the fan assembly so that the fan assembly can be arranged in a vertically movable manner relative to the support base surface through the lifting assembly; the support assembly is adjustably arranged on the fan assembly in position, so that when a part of the fan assembly passes through the movable opening and descends to a preset position, the support assembly is contacted with the support base surface by adjusting the position of the support assembly to support the fan assembly, and the problems that the fan assembly in an air conditioning unit in the prior art is difficult to lift and the bottom support is difficult are solved.

Description

Lifting device and air conditioning unit

Technical Field

The invention relates to the technical field of centrifugal fans, in particular to a lifting device and an air conditioning unit.

Background

At present, with the great application of 4G and the gradual popularization of 5G, the heating value of various data processing equipment is larger and larger, and the requirements of a data center on the refrigerating capacity and energy conservation of air conditioning equipment are also higher and higher. In the air conditioning unit of the precise machine room with lower air supply in the prior art, a plurality of elastic mechanisms are adopted to connect the mounting plate group and the cabinet base, and the fan assembly is self-locked at a first position and a second position through the elastic force change of the elastic mechanisms; the fan assembly is driven to lift by the hoisting structure, and is driven to move up and down in a moving port of the hoisting assembly by the threaded movement of the screw connecting assembly.

However, the air conditioning unit in the structure is difficult to ensure synchronous change of a plurality of elastic mechanisms when in operation, so that the fan assembly is easy to incline and topple, and particularly when the unit encounters severe jolt in the transportation process, the expansion and contraction change of the positions of the elastic mechanisms can be caused, so that the fan assembly is inclined; moreover, the elastic mechanism adopted by the structure can also have the problem of attenuation and even failure of elastic force under long-term placement. The hoisting structure needs auxiliary operation rods to push the screw rods of the connecting parts to rotate, so that the required parts are more, and the non-cylindrical moving assembly is also required to prevent the rotated screw rods from being driven to rotate, so that the non-cylindrical moving assembly is easy to be clamped in the moving opening. In the prior art, the fixing and mounting structure of the fan assembly is a square structure for fixing a circular centrifugal fan, so that the problems of huge structure, excessive occupied cabinet space, influence on the sinking of the fan and the like exist. Meanwhile, the fixing structure and the lifting structure are two independent mechanisms, the two mechanisms are required to be fixedly connected, the number of parts is large, and the structure is complex; and the bottom of the fan assembly is not supported after sinking, the weight of the fan assembly in a suspension state is borne by the base of the cabinet, and the bearing load of the base is overlarge, so that the reliable operation of the fan assembly is not facilitated.

Disclosure of Invention

The invention mainly aims to provide a lifting device and an air conditioning unit, which are used for solving the problems that a fan assembly in the air conditioning unit in the prior art is difficult to lift and difficult to support at the bottom.

In order to achieve the above object, according to one aspect of the present invention, there is provided a lifting device for driving a blower assembly to perform lifting motion, the lifting device comprising: a lifting frame having a moving opening for a portion of the air supply fan assembly to pass through; the lifting assembly is connected with the fan assembly to hoist the fan assembly on the hoisting frame, and is arranged in a relatively movable manner with the fan assembly so that the fan assembly can be arranged in a vertically movable manner relative to the support base surface through the lifting assembly; and the supporting component is adjustably arranged on the fan component in position, so that when part of the fan component passes through the moving opening and descends to a preset position, the supporting component is contacted with the supporting base surface by adjusting the position of the supporting component to support the fan component.

Further, the fan assembly has a fixed state fixed relative to the position of the lifting frame and a movable state movable relative to the lifting frame; when the fan assembly is in a fixed state, the bottom end of the fan assembly is fixedly connected with the hoisting frame, and when the fan assembly is in a moving state, the fan assembly is moved relative to the supporting base surface by operating the lifting assembly.

Further, the lifting assembly comprises a plurality of lifting components, one end of each lifting component is movably connected with the lifting frame, and the other end of each lifting component is detachably connected with the top end of the fan assembly so as to drive the fan assembly to lift through operation of the lifting assembly.

Further, a plurality of first through holes are formed in the fan assembly, the first through holes are arranged at intervals along the circumferential direction of the fan assembly, a plurality of connecting parts are further arranged on the fan assembly, and the connecting parts are arranged in one-to-one correspondence with the first through holes; one end of the lifting assembly is fixedly connected with the connecting part, so that the fan assembly can perform lifting movement relative to the supporting base surface by operating the lifting assembly.

Further, a plurality of connecting members are fixedly disposed at the top ends thereof at intervals along the circumferential direction of the fan assembly, and each connecting member has a first screw hole screw-fitted with the elevating member so that the elevating member is fixedly connected with the top end of the fan assembly.

Further, the lifting assembly comprises a plurality of rotating parts, the rotating parts are arranged in one-to-one correspondence with the lifting parts, each rotating part is rotatably arranged on the lifting frame, and the rotating parts are in threaded connection with the lifting assembly so as to drive the lifting parts to move up and down through rotating the rotating parts.

Further, each rotating member includes: the lifting component is provided with a threaded rod section in threaded fit with the internal thread section; the limiting table is connected with the upper end of the internal thread pipe and is provided with a second threaded hole communicated with the internal thread pipe, and the lifting part sequentially penetrates through the second threaded hole and the internal thread pipe.

Further, a plurality of limiting grooves are further formed in the limiting table, the limiting grooves are arranged on the outer surface of the limiting table at intervals along the circumferential direction of the limiting table, and when the lifting assembly drives the fan assembly to descend to a preset position, the lifting assembly is limited by the first limiting part penetrating through the lifting part and any one of the limiting grooves.

Further, a first limiting hole is formed in the lifting component, so that when the fan assembly descends to a preset position, the lifting component is limited and stopped through the first limiting component penetrating through the first limiting hole; and/or the lifting component is provided with a second limiting hole so as to limit the lifting component through a second limiting component penetrating through the second limiting hole when the fan component descends to a preset position.

Further, the support assembly comprises a plurality of support members distributed at intervals along the circumferential direction of the fan assembly, and each support member is in threaded connection with the fan assembly respectively so that when the fan assembly descends to a preset position, the support members are in contact with the support base surface through rotation of each support member, and therefore the fan assembly is supported.

Further, the lifting device further comprises a plurality of fixing plates, and each fixing plate is provided with a third threaded hole so as to enable the fan assembly to be fixedly connected with the fixing plate through supporting components penetrating through the third threaded holes and the bottom end of the fan assembly; and/or each fixing plate is provided with a second through hole so as to enable the fixing plate to be fixedly connected with the hoisting frame through the first fixing part penetrating through the second through hole and the hoisting frame.

Further, the hoisting frame comprises: the movable opening is arranged on the base, a plurality of fixing holes are formed in the base, and the fixing holes are arranged around the movable opening, so that when the fan assembly is in a fixed state, the first fixing part is arranged in the second through hole and the fixing hole in a penetrating mode; after the fan assembly descends to a preset state, the fan assembly is fixed on the base through a second fixing part penetrating through the upper mounting plate and the fixing hole of the fan assembly; the bottom ends of the upright posts are connected with the base; the plurality of cross beams are arranged between any two adjacent upright posts along the circumferential direction of the base; the mounting beam is connected with any two oppositely arranged cross beams, and two oppositely arranged third through holes are formed in the mounting beam so that the lifting assembly is connected with the mounting beam through the two third through holes.

According to another aspect of the present invention, there is provided an air conditioning unit including a blower assembly, the lifting device being the lifting device described above, the blower assembly being mounted on the lifting device.

Further, the fan assembly comprises a centrifugal fan, an upper mounting plate, a lower mounting plate and a plurality of fixing columns, wherein the lower mounting plate is connected with the centrifugal fan, and two ends of the plurality of fixing columns are respectively connected with the upper mounting plate and the lower mounting plate; the outer peripheral surface of the upper mounting plate protrudes out of the outer peripheral surface of the lower mounting plate, so that after the fan assembly descends to a preset position, the fan assembly is fixed on the lifting frame through a second fixing part penetrating through the fan assembly and the lifting frame.

By applying the technical scheme of the invention, the lifting device comprises a lifting frame, a lifting assembly and a supporting assembly, wherein the lifting frame is provided with a movable opening through which a part of the air supply fan assembly passes; the lifting assembly is connected with the fan assembly to hoist the fan assembly on the hoisting frame, and the lifting assembly and the fan assembly are arranged in a relatively movable manner so that the fan assembly can be arranged in a movable manner along the vertical direction relative to the supporting base surface through the lifting assembly; the support assembly is adjustably positioned on the fan assembly to support the fan assembly by adjusting the position of the support assembly to bring the support assembly into contact with the support base surface as a portion of the fan assembly passes through the movement opening and descends to a predetermined position. The lifting assembly is arranged on the fan assembly in a penetrating manner and is movably connected with the fan assembly, so that when the fan assembly is positioned above the movable opening and is fixedly connected with the hoisting frame, the fan assembly is lifted relative to the supporting base surface by removing the fixed state of the fan assembly, and then the fan assembly is lowered to a preset position by operating the lifting assembly; the support assembly is adjustably positioned on the fan assembly for further supporting the fan assembly by adjusting the support assembly to contact the support base surface, and simultaneously, by rotating the portion of the lift assembly through the fan assembly and into contact with the support base surface for supporting the fan assembly. Therefore, the vertical supporting strength of the fan assembly is enhanced, the bearing load of the air conditioning unit base is reduced, the running reliability of the whole machine, particularly the centrifugal fan, is improved, and the problems that the fan assembly in the air conditioning unit in the prior art is difficult to lift and difficult to support at the bottom are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

FIG. 1 is a schematic view of a fan assembly in a fixed state from a first perspective of an embodiment of a lifting device in accordance with the present application;

FIG. 2 illustrates a schematic structural view of a fan assembly in a first view of a completed lowered state in accordance with an embodiment of the lift device of the present application;

FIG. 3 is a schematic view of a fan assembly in a fixed second view of an embodiment of a lifting device in accordance with the present application;

FIG. 4 shows a schematic view of a fan assembly in motion according to an embodiment of the lifting device of the present application;

FIG. 5 illustrates a schematic structural view of a fan assembly in a second view of a completed lowered state in accordance with an embodiment of the lift device of the present application;

FIG. 6 shows a schematic view of a structure in which a fan assembly of an embodiment of a lifting device according to the present application is supported by a lifting assembly and a support assembly after the fan assembly is in a completely lowered state;

Fig. 7 shows a schematic structural view of a rotating member of an embodiment of a lifting device according to the present application;

FIG. 8 shows a schematic structural view of a stopper table of an embodiment of a rotary member according to the present application;

fig. 9 shows a schematic structural view of a lifting member of an embodiment of a lifting device according to the application;

fig. 10 shows a schematic structural view of a fixing plate of an embodiment of a lifting device according to the present application.

Wherein the above figures include the following reference numerals:

1. a support base surface; 10. a fan assembly; 11. a centrifugal fan; 12. an upper mounting plate; 13. a lower mounting plate; 14. fixing the column; 15. a connecting member; 20. hoisting the frame; 21. a base; 211. moving the opening; 212. a fixing hole; 22. a column; 23. a cross beam; 24. mounting a beam; 241. a third via; 30. a lifting assembly; 31. a lifting member; 32. a rotating member; 321. an internally threaded tube; 3210. an internal thread segment; 322. a limiting table; 3220. a second threaded hole; 3221. a limit groove; 33. a first limiting hole; 34. a second limiting hole; 40. a support assembly; 41. a support member; 50. a fixing plate; 51. a third threaded hole; 52. and a second via.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 10, in a first aspect of the present invention, a lifting device is provided, which is used for driving a fan assembly 10 to perform lifting motion, and the lifting device includes a lifting frame 20, a lifting assembly 30 and a supporting assembly 40; wherein the lifting frame 20 has a movement opening 211 for the passage of a portion of the air supply fan assembly 10; the lifting assembly 30 is connected with the fan assembly 10 to hoist the fan assembly 10 on the hoist frame 20, and the lifting assembly 30 is movably arranged relative to the fan assembly 10 so that the fan assembly 10 is movably arranged in the vertical direction relative to the support base 1 through the lifting assembly 30; the support assembly 40 is adjustably positioned on the fan assembly 10 to support the fan assembly 10 by adjusting the position of the support assembly 40 to bring the support assembly 40 into contact with the support base 1 when a portion of the fan assembly 10 passes through the movement opening 211 and descends to a predetermined position.

By applying the technical solution of the present embodiment, in the above arrangement, the lifting assembly 30 is disposed on the fan assembly 10 in a penetrating manner and is movably connected with the fan assembly, so that when the fan assembly 10 is located above the moving opening 211 and is fixedly connected with the lifting frame 20, the fan assembly 10 is lifted and lowered relative to the support base 1 by removing the fixing state of the fan assembly 10, and then operating the lifting assembly 30, so that the fan assembly 10 is lowered to a predetermined position; the support assembly 40 is adjustably positioned on the fan assembly 10 to further support the fan assembly 10 by adjusting the support assembly 40 to contact the support base 1, and at the same time, by rotating a portion of the lift assembly 30 through the fan assembly 10 and into contact with the support base 1 to support the fan assembly 10. In this way, the vertical supporting strength of the fan assembly 10 is enhanced, the bearing load of the air conditioning unit base 21 is reduced, the running reliability of the whole machine, particularly the centrifugal fan 11, is improved, and the problems that the fan assembly 10 in the air conditioning unit in the prior art is difficult to lift and difficult to support at the bottom are solved.

Specifically, the fan assembly 10 has a fixed state in which the position relative to the hoist frame 20 is fixed and a movable state relative to the hoist frame 20; the bottom end of the blower assembly 10 is fixedly connected with the lifting frame 20 when the blower assembly 10 is in a fixed state, and the blower assembly 10 is moved relative to the support base 1 by operating the lifting assembly 30 when the blower assembly 10 is in a moving state. The above arrangement is to fixedly connect the lower mounting plate 13 of the fan assembly 10 with the base 21 of the lifting frame 20 through the fixing plate 50 when the fan assembly 10 is in a fixed state; when the fan assembly 10 is in a moving state, the fixed connection between the fixed plate 50 and the base 21 is firstly released, one end of the fixed plate 50 is rotated into the lower mounting plate 13 of the fan assembly 10 to ensure that the lifting movement of the fan assembly 10 at the moving opening 211 is not affected, the fan assembly 10 is further moved relative to the support base surface 1 until the fan assembly is lowered to a preset position by operating the lifting assembly 30, meanwhile, the upper mounting plate 12 of the fan assembly 10 is fixedly connected with the base 21, and further, the lifting assembly 30 is rotated to penetrate through the fan assembly 10 until the fan assembly is contacted with the support base surface 1, so that the fan assembly 10 is supported when the lifting movement of the fan assembly 10 and the lowering of the fan assembly to the preset position are completed.

As shown in fig. 1 to 6, the elevation assembly 30 includes a plurality of elevation members 31, one end of each elevation member 31 is movably connected to the elevation frame 20, and the other end of the elevation member 31 is detachably connected to the top end of the blower assembly 10 to move the blower assembly 10 up and down by operating the elevation assembly 30. In the above arrangement, each lifting member 31 has an external thread section screwed into the rotary member 32, one end of the external thread section has an external hexagonal head, the diagonal length of the external hexagonal head is not greater than the diameter of the circumference where the root of the external thread section is located, and a cross groove is provided in the center of the top of the external hexagonal head of the lifting member 31; and/or, the end surface of the other end opposite to the outer hexagonal head is also provided with a cross groove in the middle so as to pass through the mounting beam 24 of the lifting frame 20 and the upper mounting plate 12 of the fan assembly 10 in sequence by operating the operating part (i.e., the outer hexagonal head and/or the cross groove) of the lifting member 31, and is connected with the upper mounting plate 12 of the fan assembly 10, and the lifting member 31 is rotatably disposed with respect to the mounting beam 24 of the lifting frame 20; when the fan assembly 10 is in a moving state, the fan assembly 10 is driven to move up and down by the lifting assembly 30 through rotating the lifting assembly 30.

Further, the fan assembly 10 is provided with a plurality of first through holes, the first through holes are arranged at intervals along the circumferential direction of the fan assembly 10, the fan assembly 10 is also provided with a plurality of connecting components 15, and the connecting components 15 are arranged in one-to-one correspondence with the first through holes; one end of the elevation assembly 30 is fixedly connected to the connection member 15 to perform an elevation movement of the blower assembly 10 with respect to the support base 1 by operating the elevation assembly 30. In the above arrangement, in the present embodiment, the connecting member 15 is a rivet nut, and a plurality of rivet nuts are respectively rivet-fixed downward through a plurality of first through holes on the upper mounting plate 12 of the fan assembly 10. The external thread section of the lifting member 31 passes through the connecting member 15 and is in threaded engagement with the connecting member 15 to move the blower assembly 10 up and down by rotating the lifting member 31 relative to the lifting frame 20.

Specifically, a plurality of connection members 15 are fixedly provided at the tip ends thereof at intervals in the circumferential direction of the fan assembly 10, and each connection member 15 has a first screw hole screw-fitted with the elevation member 31 so that the elevation member 31 is fixedly connected with the tip end of the fan assembly 10. In the above arrangement, one end of each lifting member 31 is screwed into the first threaded hole of the corresponding connecting member 15, so that the lifting member 31 is connected with the fan assembly 10, and the other end of each lifting member 31 is movably connected with the mounting beam 24 of the lifting frame 20, so that the fan assembly 10 is lifted on the lifting frame 20, and then the lifting assembly 30 is rotated to drive the fan assembly 10 to perform lifting motion.

As shown in fig. 1 and 2, the lifting assembly 30 includes a plurality of rotating members 32, the plurality of rotating members 32 are disposed in one-to-one correspondence with the plurality of lifting members 31, each rotating member 32 is rotatably disposed on the lifting frame 20, and the rotating members 32 are screw-connected with the lifting assembly 30 so as to drive the lifting members 31 to move up and down by rotating the rotating members 32. In the above arrangement, a circular ring spacer (not shown) for reducing friction resistance, such as a circular ring spacer made of polytetrafluoroethylene material, is provided between each of the rotating members 32 and the mounting beam 24; each lifting member 31 is screwed into the rotating member 32 and the connecting member 15 on the upper mounting plate 12 of the fan assembly 10 in order from top to bottom, and the outer hexagonal head of the lifting member 31 is secured upward.

Further, each rotating member 32 includes an internally threaded tube 321 and a stop block 322; wherein, the internal thread pipe 321 is rotatably arranged on the hoisting frame 20 in a penetrating way, the internal thread pipe 321 is internally provided with an internal thread section 3210, and the lifting component 31 is provided with a threaded rod section in threaded fit with the internal thread section 3210; the limiting table 322, the limiting table 322 is connected with the upper end of the internal thread pipe 321, the limiting table 322 is provided with a second threaded hole 3220 communicated with the internal thread pipe 321, and the lifting part 31 sequentially passes through the second threaded hole 3220 and the internal thread pipe 321.

In the above arrangement, the main body of the rotating component 32 is a hollow internal threaded pipe 321, one end of the internal threaded pipe 321 is a limit table 322 of a regular hexagonal prism, at least one blind hole is arranged on six sides of the prism, and the central axis of the blind hole is perpendicularly intersected with the central axis of the internal threaded pipe 321; three limit grooves 3221 are distributed on the top end surface of the regular hexagonal prism in an annular uniform array, and each limit groove 3221 is perpendicularly intersected with the central axis of the internal thread pipe 321 and used for placing and clamping limit bolts. The limiting stand 322 is located above the internal threaded pipe 321, and the internal threaded section 3210 of the internal threaded pipe 321 is consistent with the threaded section of the second threaded hole 3220, so that the lifting member 31 passes through the rotating member 32 and is connected with the fan assembly 10. The internal thread tube 321 of the rotating component 32 is inserted into the third through hole 241 of the mounting beam 24 of the hoisting frame 20 from top to bottom, and the width of the regular hexagonal limiting table 322 is larger than the diameter of the third through hole 241 on the mounting beam 24, so that the internal thread tube 321 is naturally placed on the mounting beam 24 to only realize circumferential rotation; at this time, the first limiting member is inserted into the first limiting hole 33 of the lifting member 31, and the first limiting member is clamped in the limiting groove 3221 on the limiting table 322, so that the lifting member 31 is fixed relative to the rotating member 32; by rotating the plurality of rotating parts 32 in the same direction, screw pair movement is generated between the lifting part 31 and the connecting part 15 on the fan assembly 10, and the fan assembly 10 moves relative to the lifting part 31, so that the fan assembly 10 moves up and down. So that when the fan assembly 10 moves down to a predetermined position, the upper mounting plate 12 of the fan assembly 10 falls on the base 21 of the hoist frame 20 and cannot be further lowered, at this time, the fan assembly 10 is fixed on the base 21 of the hoist assembly by the second fixing member. The first limiting component is further removed from the lifting component 31 and fixed on the blind hole at the side edge of the limiting table 322 of the rotating component 32 so as to prevent the loss of the limiting bolt; the outer hex head of the lifting member 31 is then driven by a socket tool or the cross-shaped recess of the lifting member 31 is rotated by a screw driver to continue its downward movement and sequentially pass through the connecting member 15 and the lower mounting plate 13 of the upper mounting plate 12 of the fan assembly 10 and finally contact the support base 1 (all of the support members 41 perform a similar adjustment step) to thereby complete the lowering of the fan assembly 10 and support it as it is lowered to a predetermined position.

In the first embodiment of the present invention, after the fixing state of the fan assembly 10 is released, the lifting member 31 is fixedly coupled with respect to the fan assembly 10 by inserting the second limiting member into the second limiting hole 34 of the lifting member 31 and contacting the end surface of the coupling member 15 on the upper mounting plate 12 of the fan assembly 10; by rotating the plurality of rotating members 32 in the same direction, screw pair movement is generated between the lifting member 31 and the internal screw pipe 321 and the limiting table 322 of the rotating member 32, and the fan assembly 10 moves relative to the rotating member 32, so that the fan assembly 10 performs lifting movement.

As shown in fig. 8, the limiting platform 322 is further provided with a plurality of limiting grooves 3221, and the plurality of limiting grooves 3221 are disposed on the outer surface of the limiting platform 322 at intervals along the circumferential direction of the limiting platform 322, so that when the lifting assembly 30 drives the fan assembly 10 to descend to a predetermined position, the lifting assembly 31 is limited by passing through the lifting assembly 31 and the first limiting member in any one of the limiting grooves 3221. After the lifting member 31 sequentially passes through the internal threaded pipe 321 of the rotating member 32, the fixed connecting member 15 on the upper mounting plate 12 and the fourth threaded hole on the lower mounting plate 13, the first limiting hole 33 on the upper part of the lifting member 31 is made to approach the upper end surface of the limiting table 322 of the rotating member 32, the first limiting member is inserted into the first limiting hole 33 on the upper part of the lifting member 31 and is made to fall into the limiting groove 3221 of the limiting table 322, so that the lifting member 31 is fixed relative to the rotating member 32; further, by rotating the plurality of rotating members 32 in the same direction, a screw pair movement is generated between the lifting member 31 and the connecting member 15 on the fan assembly 10, and the fan assembly 10 moves relative to the lifting member 31, so that the fan assembly 10 moves up and down.

As shown in fig. 9, the lifting member 31 is provided with a first limiting hole 33, so that when the fan assembly 10 descends to a predetermined position, the lifting member 31 is limited and stopped by the first limiting member penetrating through the first limiting hole 33; and/or the lifting component 31 is provided with a second limiting hole 34, so that when the fan assembly 10 descends to a preset position, the lifting component 31 is limited by the second limiting component penetrating through the second limiting hole 34. In the above arrangement, the first limiting member is inserted into the first limiting hole 33 of the lifting member 31, and the first limiting member is clamped in the limiting groove 3221 on the limiting table 322, so that the lifting member 31 is fixed relative to the rotating member 32; or the second limiting component is inserted into the second limiting hole 34 of the lifting component 31, and the second limiting component is contacted with the end surface of the connecting component 15 on the upper mounting plate 12 of the fan assembly 10, so that the lifting component 31 is fixedly connected relative to the fan assembly 10; after the fan assembly 10 is released from the fixed state, the plurality of rotating parts 32 are rotated in the same direction, so that screw thread pair movement is generated between the lifting part 31 and the connecting part 15 on the fan assembly 10, and the fan assembly 10 moves relative to the lifting part 31, so that the fan assembly 10 moves up and down; or by rotating the plurality of rotating members 32 in the same direction, screw pair movement is generated between the lifting member 31 and the internal screw pipe 321 and the limiting table 322 of the rotating member 32, and the fan assembly 10 moves relative to the rotating member 32, so that the fan assembly 10 performs lifting movement.

Further, the support assembly 40 includes a plurality of support members 41 spaced apart along the circumference of the fan assembly 10, each support member 41 being respectively screw-coupled with the fan assembly 10 to support the fan assembly 10 by rotating each support member 41 to bring the support member 41 into contact with the support base 1 when the fan assembly 10 is lowered to a predetermined position. In the above arrangement, each supporting member 41 has an external thread section which is in threaded engagement with the fourth threaded hole on the connecting member 15 and the lower mounting plate 13, one end of the external thread section has an external hexagonal head, the diagonal length of the external hexagonal head is not greater than the diameter of the circumference where the root of the external thread section is located, and the center of the top of the external hexagonal head of the supporting member 41 is provided with a cross groove; when the fan assembly 10 is in a fixed state, the supporting part 41 sequentially passes through the connecting part 15 fixed on the upper mounting plate 12 and the fourth threaded hole on the lower mounting plate 13 from top to bottom; so that when the fan assembly 10 is in a moving state and is lowered to a predetermined position, the upper mounting plate 12 of the fan assembly 10 is fixedly coupled with the base 21, and then the outer hexagonal head of the support member 41 is rotated by driving the socket tool or the cross groove of the support member 41 is rotated by using the screw driver, so that the support member 41 is rotated to be in contact with the support base 1 to support the fan assembly 10.

In the first embodiment of the present invention, the support assembly 40 includes a plurality of support members 41 spaced apart in the circumferential direction of the fan assembly 10, the support members 41 being piston cylinders, each support member 41 being connected with the fan assembly 10, respectively, to bring one end of the support member 41 into contact with the support base 1 by driving each support member 41 when the fan assembly 10 is lowered to a predetermined position, so as to support the fan assembly 10.

Specifically, the lifting device further includes a plurality of fixing plates 50, and each fixing plate 50 is provided with a third threaded hole 51, so that the fan assembly 10 is fixedly connected with the fixing plate 50 through the supporting member 41 penetrating through the third threaded hole 51 and the bottom end of the fan assembly 10; and/or each of the fixing plates 50 is provided with a second via hole 52 to fixedly connect the fixing plate 50 with the hoist frame 20 by a first fixing member penetrating the second via hole 52 and the hoist frame 20.

In the above arrangement, at least one second through hole 52 is formed on the fixing plate 50 and is matched with the fixing hole 212 on the base 21 of the lifting frame 20; the fixing plate 50 is also provided with at least one third threaded hole 51 which is matched with the external thread section of the supporting part 41 to form a thread pair for use; when the fan assembly 10 is in a fixed state, the fan assembly 10 is fixed to the base 21 of the hoist frame 20 by the fixing plate 50. To move the fan assembly 10 with the fixing plate 50 fixed to the lifting frame 20 and align with the moving opening 211 of the base 21 before the fan assembly 10 is in a fixed state, and simultaneously, adjust the position so that the second through holes 52 of the fixing plate 50 align with the fixing holes 212 of the base 21, and then fix the fixing plate 50 to the base 21 by using the first fixing member; when the fan assembly 10 is in a moving state, the first fixing part on the fixing plate 50 is removed, and the fixing bolts are fixed on the blind holes on the side edges of the regular hexagonal prism of the limiting table 322, so that the force arm can be lengthened to reduce the thrust when the rotating part 32 is manually rotated, and the fixing bolts can be prevented from being lost; meanwhile, one end of the fixing plate 50 is rotated to be fully positioned in the lower mounting plate 13 of the fan assembly 10, so that free rotation and lifting movement of the fan assembly 10 in the moving opening 211 are not influenced; further, the fan assembly 10 is lowered to a predetermined position by rotating the elevating assembly 30, and at this time, each supporting member 41 is rotated to be in contact with the supporting base 1 to support the fan assembly 10.

In the third embodiment of the present invention, the fan assembly 10 is fixed to the base 21 of the hoist frame 20 by the fixing plate 50; the supporting part 41 is screwed into the connecting part 15 fixed on the upper mounting plate 12 of the fan assembly 10, the fourth threaded hole on the lower mounting plate 13 and the third threaded hole 51 of the fixing plate 50 in sequence from top to bottom, and the fixing plate 50 is tightly attached to the bottom of the lower mounting plate 13 of the fan assembly 10; or the fixing plate 50 is placed on the lower mounting plate 13 of the fan assembly 10 and aligned with the fourth screw hole of the lower mounting plate 13, and the rotary support member 41 sequentially passes through the connecting member 15 fixed on the upper mounting plate 12, the fixing plate 50 and the fourth screw hole on the lower mounting plate 13; after the attachment of the mounting plate 50, the second through holes 52 in the mounting plate 50 are located as far from the lower mounting plate 13 of the fan assembly 10 as possible.

As shown in fig. 1 to 6, the lifting frame 20 includes a base 21, a plurality of uprights 22, a plurality of cross members 23, and mounting beams 24; wherein, the moving opening 211 is disposed on the base 21, a plurality of fixing holes 212 are disposed on the base 21, and the plurality of fixing holes 212 are disposed around the moving opening 211, so that when the fan assembly 10 is in a fixed state, the first fixing component passes through the second through hole 52 and the fixing hole 212; after the fan assembly 10 is lowered to a predetermined state, the fan assembly 10 is fixed to the base 21 by means of the second fixing members penetrating into the upper mounting plate 12 and the fixing holes 212 of the fan assembly 10; the bottom ends of the upright posts 22 are connected with the base 21; the plurality of cross beams 23 are arranged along the circumferential direction of the base 21, and at least one cross beam 23 is arranged between any two adjacent upright posts 22; the mounting beam 24 is connected to any two oppositely disposed cross beams 23, and two oppositely disposed third through holes 241 are provided on the mounting beam 24 to connect the lifting assembly 30 to the mounting beam 24 through the two third through holes 241.

In the above arrangement, each cross beam 23 is connected to the upright 22 on the same horizontal plane, and the mounting beam 24 is connected to the two opposite cross beams 23; the mounting beam 24 is of a U-shaped groove structure with a downward opening, the mounting beam 24 is provided with two third through holes 241 which are oppositely arranged, and the vertical central axes of the two third through holes 241 are symmetrical with the vertical central axis of the moving opening 211 on the base 21; to move the whole of the fan assembly 10 to which the fixing plate 50 is fixed into the base 21 of the lifting frame 20 and align the moving opening 211 with the fan assembly 10 in a fixed state, adjust the position so that the second through holes 52 of the fixing plate 50 are aligned with the fixing holes 212 of the base 21, and pass the second through holes 52 and the fixing holes 212 with fixing bolts to fix the fan assembly 10 to the base 21, thereby completing the fixed state of the fan assembly 10, and simultaneously, pass the lifting members 31 through the third through holes 241 of the mounting beams 24 and the corresponding connecting members 15 of the upper mounting plate 12, respectively, so that the fan assembly 10 is movably disposed with respect to the lifting members 31.

In a fourth embodiment of the present invention (not shown), the mounting beam has a U-shaped groove structure with an upward opening, and a bolt via hole is formed in the mounting beam, and a vertical central axis of the bolt via hole and a vertical central axis of the moving opening of the base are located on the same vertical line. The fan assembly is fixed on the base of the hoisting assembly through the fixing plate; the support component is screwed into the connecting component fixed on the upper mounting plate of the fan assembly, the threaded hole on the lower mounting plate and the fixing hole of the fixing plate in turn from top to bottom, and the fixing plate is clung to the bottom of the lower mounting plate of the fan assembly; or the fixing plate is placed on the lower mounting plate of the fan assembly and aligned with the threaded holes of the lower mounting plate of the fan assembly, and the rotary supporting part sequentially passes through the connecting part fixed on the upper mounting plate, the fixing plate and the threaded holes on the lower mounting plate; after being fixedly connected with the fixed plate, the other through hole on the fixed plate is far away from the fan mounting plate as far as possible. The method comprises the steps that a supporting part is taken down from a fan assembly and sequentially passes through a bolt through hole on an installation beam of a hoisting frame and an internal thread pipe on the fan assembly, so that an upper limit hole of the supporting part is close to a U-shaped groove of the installation beam as much as possible and is positioned at the upper part of the U-shaped groove, and the outer hexagon of the supporting part is ensured to be upward; the limiting bolt is taken down from the supporting part of the fan assembly, and the limiting bolt is fixed on the upper limiting hole of the supporting part, so that the supporting part cannot realize circumferential rotation (the limiting bolt is blocked in the U-shaped groove and cannot rotate); removing the fixing bolts on the fixing plate, so that the fan assembly naturally falls on the base of the hoisting frame through the fixing plate; the fixed plate is rotated to be located at the bottom of the fan mounting plate completely, free rotation and lifting of the moving assembly in the moving opening are not affected, and at the moment, the fan assembly is suspended on the mounting beam of the hoisting frame through the central supporting component. The fan assembly is pushed to move by pushing the rotary fan assembly to drive the threaded pair to move between the internal threaded pipe on the hanging plate and the supporting component which is blocked on the mounting beam and cannot rotate, and the fan assembly descends under the action of the threaded pair until the fan assembly falls on the base of the lifting frame and cannot continuously descend, and the fan assembly is fixed on the base of the lifting frame by the fixing bolts.

In a second aspect of the present invention, an air conditioning unit is provided, including a blower assembly 10, where the lifter is the lifter, and the blower assembly 10 is mounted on the lifter.

Specifically, the fan assembly 10 includes a centrifugal fan 11, an upper mounting plate 12, a lower mounting plate 13, and a plurality of fixing columns 14, wherein the lower mounting plate 13 is connected with the centrifugal fan 11, and two ends of the plurality of fixing columns 14 are respectively connected with the upper mounting plate 12 and the lower mounting plate 13; wherein the outer circumferential surface of the upper mounting plate 12 protrudes from the outer circumferential surface of the lower mounting plate 13 to fix the fan assembly 10 to the hoist frame 20 by means of the second fixing member penetrating the fan assembly 10 and the hoist frame 20 after the fan assembly 10 is lowered to a predetermined position. In the arrangement, the two ends of the fixing column 14 are provided with the external thread sections, the centrifugal fan 11 is fixedly arranged on the lower mounting plate 13, a plurality of fourth threaded holes are formed in the lower mounting plate 13 at intervals along the circumferential direction of the lower mounting plate, and the external thread sections at the lower end of the fixing column 14 penetrate through the corresponding fourth threaded holes in the lower mounting plate 13 to be fixedly connected; the upper mounting plate 12 of the fan assembly 10 is a guide ring, fourth through holes are arranged at intervals along the circumferential direction of the guide ring, and the external thread section at the upper end of the fixing column 14 passes through the corresponding fourth through hole on the upper mounting plate 12, and is screwed into one end of the fixing column 14, penetrating out of the fourth through hole, by using a nut, and is fixedly connected. So that when the fan assembly 10 is lowered to a predetermined position, the upper mounting plate 12 of the fan assembly 10 contacts the base 21, and at the same time, the fixing bolts are fixedly coupled by being inserted into the corresponding fixing holes 212 formed in the upper mounting plate 12 and the base 21.

From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

the lifting device comprises a lifting frame, a lifting assembly and a supporting assembly, wherein the lifting frame is provided with a movable opening through which a part of the air supply fan assembly passes; the lifting assembly is connected with the fan assembly to hoist the fan assembly on the hoisting frame, and the lifting assembly and the fan assembly are arranged in a relatively movable manner so that the fan assembly can be arranged in a movable manner along the vertical direction relative to the supporting base surface through the lifting assembly; the support assembly is adjustably positioned on the fan assembly to support the fan assembly by adjusting the position of the support assembly to bring the support assembly into contact with the support base surface as a portion of the fan assembly passes through the movement opening and descends to a predetermined position. The lifting assembly is arranged on the fan assembly in a penetrating manner and is movably connected with the fan assembly, so that when the fan assembly is positioned above the movable opening and is fixedly connected with the hoisting frame, the fan assembly is lifted relative to the supporting base surface by removing the fixed state of the fan assembly, and then the fan assembly is lowered to a preset position by operating the lifting assembly; the support assembly is adjustably arranged on the fan assembly in position, and is further contacted with the support base surface by adjusting the support assembly so as to support the fan assembly, and meanwhile, the lifting component is rotated to penetrate through the fan assembly and contact with the support base surface so as to support the fan assembly. Therefore, the vertical supporting strength of the fan assembly is enhanced, the bearing load of the air conditioning unit base is reduced, the running reliability of the whole machine, particularly the centrifugal fan, is improved, and the problems that the fan assembly in the air conditioning unit in the prior art is difficult to lift and difficult to support at the bottom are solved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. A lifting device for driving a fan assembly (10) to perform lifting movement, characterized in that the lifting device comprises:

-a lifting frame (20), the lifting frame (20) having a movement opening (211) for passing through a portion of the fan assembly (10);

a lifting assembly (30), wherein the lifting assembly (30) is connected with the fan assembly (10) so as to hoist the fan assembly (10) on the hoisting frame (20), and the lifting assembly (30) and the fan assembly (10) are arranged in a relatively movable manner so that the fan assembly (10) can be arranged in a vertical direction relative to a supporting base surface (1) through the lifting assembly (30);

-a support assembly (40), the support assembly (40) being adjustably positioned on the fan assembly (10) to support the fan assembly (10) by adjusting the position of the support assembly (40) to bring the support assembly (40) into contact with the support base (1) when a portion of the fan assembly (10) passes through the movement opening (211) and descends to a predetermined position.

2. Lifting device according to claim 1, characterized in that the fan assembly (10) has a fixed state fixed with respect to the position of the lifting frame (20) and a movable state with respect to the lifting frame (20); when the fan assembly (10) is in the fixed state, the bottom end of the fan assembly (10) is fixedly connected with the lifting frame (20), and when the fan assembly (10) is in the moving state, the fan assembly (10) is moved relative to the supporting base surface (1) through operating the lifting assembly (30).

3. Lifting device according to claim 1, characterized in that the lifting assembly (30) comprises a plurality of lifting members (31), one end of each lifting member (31) being movably connected to the lifting frame (20), the other end of the lifting member (31) being detachably connected to the top end of the fan assembly (10) for lifting movement of the fan assembly (10) by operating the lifting assembly (30).

4. A lifting device according to claim 3, wherein a plurality of first through holes are formed in the fan assembly (10), the first through holes are formed at intervals along the circumferential direction of the fan assembly (10), a plurality of connecting members (15) are further formed in the fan assembly (10), and the connecting members (15) are arranged in one-to-one correspondence with the first through holes; one end of the lifting assembly (30) is fixedly connected with the connecting part (15) so as to enable the fan assembly (10) to perform lifting movement relative to the supporting base surface (1) through operating the lifting assembly (30).

5. The lifting device according to claim 4, wherein a plurality of the connecting members (15) are fixedly provided at the tip ends thereof at intervals in the circumferential direction of the fan assembly (10), each of the connecting members (15) having a first screw hole screw-fitted with the lifting member (31) to fixedly connect the lifting member (31) with the tip ends of the fan assembly (10).

6. The lifting device according to claim 5, wherein the lifting assembly (30) comprises a plurality of rotating members (32), the plurality of rotating members (32) are arranged in a one-to-one correspondence with the plurality of lifting members (31), each rotating member (32) is rotatably arranged on the lifting frame (20), and the rotating members (32) are in threaded connection with the lifting assembly (30) so as to drive the lifting members (31) to move up and down by rotating the rotating members (32).

7. Lifting device according to claim 6, characterized in that each of said rotating members (32) comprises:

an internal thread pipe (321), wherein the internal thread pipe (321) is rotatably arranged on the hoisting frame (20) in a penetrating way, an internal thread section (3210) is arranged in the internal thread pipe (321), and the lifting component (31) is provided with a threaded rod section in threaded fit with the internal thread section (3210);

spacing platform (322), spacing platform (322) with the upper end of female screw tube (321) is connected, spacing platform (322) have with second screw hole (3220) of female screw tube (321) intercommunication, lifting unit (31) pass in proper order second screw hole (3220) with female screw tube (321).

8. The lifting device according to claim 7, wherein the limiting table (322) is further provided with a plurality of limiting grooves (3221), and the plurality of limiting grooves (3221) are arranged on the outer surface of the limiting table (322) at intervals along the circumferential direction of the limiting table (322), so that when the lifting assembly (30) drives the fan assembly (10) to descend to a preset position, the lifting assembly (31) is limited by a first limiting component penetrating through the lifting component (31) and any one of the limiting grooves (3221).

9. A lifting device as claimed in claim 3, wherein,

the lifting component (31) is provided with a first limiting hole (33) so as to pass through the first limiting component penetrating through the first limiting hole (33) when the fan assembly (10) descends to a preset position, so as to limit and stop the lifting component (31); and/or

The lifting component (31) is provided with a second limiting hole (34) so as to limit the lifting component (31) through a second limiting component penetrating through the second limiting hole (34) when the fan assembly (10) descends to a preset position.

10. Lifting device according to any one of claims 1 to 9, characterized in that the support assembly (40) comprises a plurality of support members (41) distributed at intervals along the circumference of the fan assembly (10), each support member (41) being screwed with the fan assembly (10) respectively, so that when the fan assembly (10) is lowered to a predetermined position, the fan assembly (10) is supported by rotating each support member (41) so that the support member (41) is in contact with the support base surface (1).

11. The lifting device according to claim 10, further comprising a plurality of fixing plates (50), wherein a third screw hole (51) is provided on each of the fixing plates (50) to fixedly connect the fan assembly (10) with the fixing plates (50) through the support member (41) penetrating the third screw hole (51) and the bottom end of the fan assembly (10); and/or each fixing plate (50) is provided with a second through hole (52) so as to enable the fixing plate (50) to be fixedly connected with the lifting frame (20) through a first fixing part penetrating through the second through hole (52) and the lifting frame (20).

12. Lifting device according to claim 11, characterized in that the lifting frame (20) comprises:

the fan assembly comprises a base (21), wherein the moving opening (211) is formed in the base (21), a plurality of fixing holes (212) are formed in the base (21), and the fixing holes (212) are formed around the moving opening (211) so that when the fan assembly (10) is in a fixed state, the first fixing part penetrates through the second through holes (52) and the fixing holes (212); after the fan assembly (10) descends to a preset state, the fan assembly (10) is fixed on the base (21) through a second fixing part penetrating through an upper mounting plate (12) of the fan assembly (10) and the fixing hole (212);

the bottom ends of the upright posts (22) are connected with the base (21);

the plurality of cross beams (23) are arranged between any two adjacent upright posts (22) along the circumferential direction of the base (21), and at least one cross beam (23) is arranged between each two adjacent upright posts (22);

the mounting beam (24), the mounting beam (24) is connected with arbitrary two relative setting crossbeam (23), be provided with two relative setting third via holes (241) on the mounting beam (24), in order to pass through two third via holes (241) make lifting assembly (30) with mounting beam (24) is connected.

13. An air conditioning unit comprising a fan assembly (10), characterized in that the lifting device is a lifting device according to any one of claims 1 to 12, the fan assembly (10) being mounted on the lifting device.

14. The air conditioning unit according to claim 13, wherein the fan assembly (10) includes a centrifugal fan (11), an upper mounting plate (12), a lower mounting plate (13) and a plurality of fixing posts (14), the lower mounting plate (13) is connected with the centrifugal fan (11), and both ends of the plurality of fixing posts (14) are respectively connected with the upper mounting plate (12) and the lower mounting plate (13); wherein, the outer peripheral surface of the upper mounting plate (12) protrudes out of the outer peripheral surface of the lower mounting plate (13) so as to fix the fan assembly (10) on the lifting frame (20) through a second fixing component penetrating through the fan assembly (10) and the lifting frame (20) after the fan assembly (10) descends to a preset position.