CN220537288U - Lifting device and air conditioning unit - Google Patents

Abstract

The utility model provides a lifting device and an air conditioning unit, wherein the lifting device is used for lifting a fan assembly, and comprises a lifting frame, a lifting assembly and a supporting assembly, wherein the lifting frame is provided with a moving opening through which part of the fan assembly passes; 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, so that the fan assembly is arranged in a vertically movable manner relative to the support base surface through the relative movement between the fan assembly and the lifting assembly; the support component is used for being installed in the bottom of fan component to when the part of fan component passes the removal opening and descends to predetermined position, support component and support the basal plane contact in order to support the fan component, in order to solve the fan component in the air conditioning unit among the prior art and go up and down the difficult problem of bottom sprag.

Description

Lifting device and air conditioning unit

Technical Field

The utility model 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 utility model 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 utility model, there is provided a lifting device for lifting a fan assembly, 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 so as to enable the fan assembly to be arranged in a movable manner along the vertical direction relative to the supporting base surface through the relative movement between the fan assembly and the lifting assembly; and the supporting component is used for being installed at the bottom end of the fan component, 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 to support the fan component.

Further, the support assembly has a first installed state and a second installed state in which it is installed on the bottom end of the fan assembly; when the supporting component is in the first installation state, the supporting component is connected with the base of the hoisting frame, so that the fan component is fixedly connected with the base through the supporting component; the bottom end of the support assembly is disposed toward the support base for contact therewith when the support assembly is in the second installed condition.

Further, the support assembly comprises a plurality of support parts distributed along the circumferential direction of the fan assembly, and each support part is detachably connected with the bottom end of the fan assembly; when the support assembly is in the first installation state, one end of each support component is relatively fixedly connected with the bottom end of the fan assembly, and the other end of each support component is relatively fixedly connected with the hoisting frame, so that the position of the fan assembly is relatively fixed with respect to the hoisting frame; the bottom ends of the respective support members are disposed toward the support base for contact therewith when the support assembly is in the second installed condition.

Further, each supporting member includes: the support rod is provided with a clamping groove, and the clamping groove is formed in one end of the support rod along the axial direction of the support rod, so that when the support assembly is in a first installation state, part of the bottom installation plate of the fan assembly is clamped in the clamping groove, and the support rod is connected with the bottom installation plate of the fan assembly.

Further, a first through hole is formed in the support rod and is communicated with the clamping groove, so that the fan assembly is fixedly connected with the support rod through a first fixing piece penetrating through the first through hole and the bottom end of the fan assembly; and/or the support rod is provided with a second through hole so as to enable the base to be fixedly connected with the support rod through a second fixing piece penetrating through the second through hole and the base, and the position of the fan assembly is fixed relative to the base; and/or when the support assembly is in the first installation state, the axis of the support rod is horizontally arranged; when the support assembly is in the second installation state, the axis of the support rod is arranged vertically.

Further, a plurality of supporting threaded holes are formed in the bottom mounting plate of the fan assembly, external threads matched with the supporting threaded holes are formed in the outer wall of each supporting component, and each supporting component is in threaded connection with a corresponding supporting threaded hole, so that each supporting component is fixedly arranged relative to the bottom mounting plate.

Further, each support member is provided with an operation portion so that each support member is rotated by operating the operation portion to be pierced on the bottom mounting plate when the support assembly is in the second mounting state.

Further, the lifting assembly includes: the hanging plate is used for being detachably connected with the top mounting plate of the fan assembly; the moving structure comprises a first moving part and a second moving part, wherein the first moving part is arranged on the hoisting frame, the second moving part is connected with the hanging plate, and the first moving part and the second moving part are connected in a relatively movable manner so as to realize lifting of the fan assembly.

Further, the first moving part and the second moving part extend along the vertical direction and are in threaded fit, so that the fan assembly is lifted by rotating the fan assembly or the second moving part; and/or one end of the first moving part is provided with a fixing part, the hanging plate is provided with a hanging hole, the second moving part passes through the hanging hole and is fixedly connected with the hanging plate, and the fixing part is in limit fit with the hanging frame so as to limit the first moving part on the hanging frame.

Further, the hoisting frame comprises: the base is provided with a plurality of fixing holes, the fixing holes are arranged around the moving opening, and the supporting assembly comprises a plurality of supporting parts; when the support assembly is in the first installation state, each support component is fixedly connected with the base through a second fixing component penetrating through each support component and the corresponding fixing hole; 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 beams which are oppositely arranged, a third through hole is formed in the mounting beam, and the lifting assembly is connected with the mounting beam through the third through hole.

According to another aspect of the present utility model, 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, a top mounting plate, a bottom mounting plate and a plurality of fixing columns, wherein the bottom mounting plate is connected with the centrifugal fan, and two ends of the plurality of fixing columns are detachably connected with the top mounting plate and the bottom mounting plate respectively; the outer peripheral surface of the top mounting plate protrudes out of the outer peripheral surface of the bottom mounting plate, so that after the fan assembly descends to a preset position, the fan assembly is fixed on the lifting frame through a third fixing part penetrating through the fan assembly and the lifting frame.

By applying the technical scheme of the utility model, 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 is arranged in a relatively movable manner, so that the fan assembly is arranged in a vertically movable manner relative to the support base surface through the relative movement between the fan assembly and the lifting assembly; the support assembly is configured to be mounted to a bottom end of the fan assembly such that the support assembly contacts the support base surface to support the fan assembly when a portion of the fan assembly is lowered through the movement opening to a predetermined position. In the arrangement, one end of the lifting assembly is connected with the top of the lifting frame, the other end of the lifting assembly is connected with the top end of the fan assembly so as to hang the fan assembly above the moving opening, and meanwhile, the bottom end of the fan assembly is connected with the lifting frame; the fan assembly is enabled to move relative to the lifting assembly through rotation of the fan assembly, and then part of the fan assembly penetrates through the movable opening and moves up and down relative to the supporting base surface, and meanwhile, when the fan assembly descends to a preset position, the supporting assembly is enabled to be in contact with the supporting base surface through operation of the supporting assembly, and the fan assembly is supported. 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 utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 illustrates a schematic structural view of a fan assembly in a lowered state according to an embodiment of the lift device of the present utility model;

FIG. 2 is a schematic view of a fan assembly according to an embodiment of the lift device of the present utility model from a first perspective after completion of a lowering motion;

fig. 3 shows a schematic structural view of a support assembly of an embodiment of a lifting device according to the utility model in a first mounted state;

FIG. 4 shows a schematic structural view of a fan assembly in a lowered state according to an embodiment of the lifting device of the present utility model;

FIG. 5 is a schematic view of a fan assembly according to an embodiment of the lift device of the present utility model from a second perspective after completion of the lowering motion;

fig. 6 shows a schematic structural view of a support assembly of an embodiment of a lifting device according to the utility model in a second mounted state;

FIG. 7 shows a schematic structural view of a support member of an embodiment of a support assembly according to the present utility model;

fig. 8 shows a schematic structural view of a hanger plate of an embodiment of a lifting assembly in accordance with the present utility model.

Wherein the above figures include the following reference numerals:

1. a support base surface; 10. a fan assembly; 11. a centrifugal fan; 12. a top mounting plate; 13. a bottom mounting plate; 131. a support threaded hole; 14. fixing the column; 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 first moving member; 32. a fixing part; 33. a hanging plate; 331. a hoisting hole; 34. a second moving member; 40. a support assembly; 41. a support member; 42. a support rod; 421. a clamping groove; 422. a first via; 423. a second via; 43. an operation section.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 8, in a first aspect of the present utility model, a lifting device is provided for lifting a fan assembly 10, the lifting device includes a lifting frame 20, a lifting assembly 30 and a supporting assembly 40, the lifting frame 20 having a moving opening 211 for passing through a portion of the 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 and the fan assembly 10 are relatively movably arranged to enable the fan assembly 10 to be movably arranged in the vertical direction relative to the support base surface 1 through the relative movement between the fan assembly 10 and the lifting assembly 30; the support assembly 40 is configured to be mounted at the bottom end of the fan assembly 10 such that the support assembly 40 contacts the support base 1 to support the fan assembly 10 when a portion of the fan assembly 10 passes through the moving opening 211 and descends to a predetermined position.

By applying the technical scheme of the embodiment, one end of the lifting assembly 30 is connected with the top of the lifting frame 20, the other end of the lifting assembly 30 is connected with the top end of the fan assembly 10 so as to hang the fan assembly 10 above the moving opening 211, and meanwhile, the bottom end of the fan assembly 10 is connected with the lifting frame 20; to move the blower assembly 10 relative to the elevation assembly 30 by rotating the blower assembly 10, and thus a portion of the blower assembly 10 passes through the moving opening 211 and performs an elevation movement relative to the support base 1, and at the same time, to bring the support assembly 40 into contact with the support base 1 and support the blower assembly 10 by operating the support assembly 40 when the blower assembly 10 is lowered to a predetermined position. 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, and the running reliability of the whole machine, particularly the centrifugal fan 11, is improved, so that the problems of difficult lifting and difficult bottom supporting of the fan assembly 10 in the air conditioning unit in the prior art are solved.

Specifically, the support assembly 40 has a first installed state and a second installed state in which it is installed on the bottom end of the fan assembly 10; when the support assembly 40 is in the first installation state, the support assembly 40 is connected with the base 21 of the lifting frame 20, so that the fan assembly 10 is fixedly connected with the base 21 through the support assembly 40; when the support assembly 40 is in the second mounted state, the bottom end of the support assembly 40 is disposed towards the support base 1 for contact with the support base 1. In the above arrangement, when the support assembly 40 is in the first installation state, one end of the support assembly 40 is fixedly connected with the bottom end of the fan assembly 10, the other end of the support assembly 40 is fixedly connected with the base 21 of the lifting frame 20, and meanwhile, the lifting assembly 30 lifts the fan assembly 10 on the lifting frame 20, so that the fan assembly 10 is fixed above the moving opening 211 through the lifting assembly 30 and the support assembly 40; when the support assembly 40 is in the second installation state, the support assembly 40 is arranged on the bottom end of the fan assembly 10 in a penetrating way and faces the support base surface 1, so that when the fan assembly 10 is lowered to a preset position by the lifting assembly 30, the support assembly 40 is further operated to enable the support assembly 40 to be in contact with the support base surface 1, and the fan assembly 10 is supported, and the purpose of supporting the bottom of the fan assembly 10 after the lifting motion and sinking of the fan assembly 10 is achieved.

As shown in fig. 1 and 2, the support assembly 40 includes a plurality of support members 41 distributed along the circumferential direction of the fan assembly 10, and each support member 41 is detachably connected to the bottom end of the fan assembly 10; when the support assembly 40 is in the first installation state, one end of each support member 41 is relatively fixedly connected with the bottom end of the fan assembly 10, and the other end of each support member 41 is relatively fixedly connected with the lifting frame 20, so that the position of the fan assembly 10 is fixed relative to the lifting frame 20; when the support assembly 40 is in the second mounted state, the bottom ends of the respective support members 41 are disposed toward the support base 1 for contact with the support base 1.

Each of the support members 41 has an operation portion 43 which is an outer hexagonal head having a diagonal length not greater than the diameter of the circumference where the root of the external thread section is located, and a support rod 42 connected thereto and having the external thread section; the top center of the outer hexagon head is provided with a cross groove, a clamping groove 421 is formed in the center of the other end of the supporting rod 42 opposite to the outer hexagon head, and the opening size of the clamping groove 421 is slightly larger than the thickness of the bottom mounting plate 13 of the fan assembly 10, so that the clamping groove 421 is clamped into the bottom mounting plate 13 of the fan assembly 10 and forms clearance fit. When the support assembly 40 is in the first installation state, a part of the bottom installation plate 13 of the fan assembly 10 is clamped in the clamping groove 421 of each support part 41, and is arranged on the support part 41 and the bottom installation plate 13 of the fan assembly 10 in a penetrating manner by utilizing the fixing bolts so as to fixedly connect the bottom installation plate 13 of the fan assembly 10 with each support part 41, and the other end of each support part 41 is fixedly connected with the base 21 of the lifting frame 20 so that the fan assembly 10 is fixed on the base 21 of the lifting frame 20 through the support part 41 and is in a fixed state; when the support assembly 40 is in the second installation state, each support member 41 is rotatably inserted through the bottom mounting plate 13 of the blower assembly 10 to drive the outer hexagonal head of the operation portion 43 of each support member 41 or the cross groove of the operation portion 43 of each support member 41 by the socket tool to contact each support member 41 with the support base surface 1 and support the blower assembly 10 when the blower assembly 10 is lowered to a predetermined position.

Specifically, each support member 41 includes a support rod 42, a clamping groove 421 is provided on the support rod 42, and the clamping groove 421 is provided at one end of the support rod 42 along the axial direction of the support rod 42, so that when the support assembly 40 is in the first installation state, a portion of the bottom mounting plate 13 of the fan assembly 10 is clamped in the clamping groove 421, so that the support rod 42 is connected with the bottom mounting plate 13 of the fan assembly 10. The above arrangement is such that when the support assembly 40 is in the first installation state, the bottom mounting plate 13 of the fan assembly 10 is partially clamped in the clamping groove 421 of each support member 41, and the bottom mounting plate 13 of the fan assembly 10 is penetrated through the support members 41 and the bottom mounting plate 13 of the fan assembly 10 by using the fixing bolts, so that the bottom mounting plate 13 of the fan assembly 10 is fixedly connected with each support member 41, and the other end of each support member 41 is fixedly connected with the base 21 of the lifting frame 20, so that the fan assembly 10 is fixed on the base 21 of the lifting frame 20 by the support member 41 and is in a fixed state.

As shown in fig. 7, the support rod 42 is provided with a first through hole 422, and the first through hole 422 is communicated with the clamping groove 421, so that the fan assembly 10 is fixedly connected with the support rod 42 through a first fixing piece penetrating through the first through hole 422 and the bottom end of the fan assembly 10; and/or the support rod 42 is provided with a second through hole 423, so that the base 21 is fixedly connected with the support rod 42 through a second fixing piece penetrating through the second through hole 423 and the base 21, and the position of the fan assembly 10 is fixed relative to the base 21; and/or the axis of the support bar 42 is horizontally disposed when the support assembly 40 is in the first installed state; when the support assembly 40 is in the second installed state, the axis of the support rod 42 is disposed vertically. In the above arrangement, the bottom mounting plate 13 of the fan assembly 10 is provided with a plurality of sixth through holes at intervals along the circumferential direction thereof, and when the support assembly 40 is in the first mounting state, the support rod 42 is fixedly connected with the bottom mounting plate 13 of the fan assembly 10 by the fixing bolts penetrating through the first through holes 422 and the sixth through holes; the base 21 is fixedly connected with the support rod 42 by the fixing bolts penetrating through the second through holes 423 and the fixing holes 212 on the base 21, and the fan assembly 10 is further fixedly connected with the base 21. Wherein, when the support assembly 40 is in the first installation state, the axis of the support rod 42 is horizontally disposed and the central axes of the first via 422 and the second via 423 vertically intersect the axis of the support rod 42.

Further, the bottom mounting plate 13 of the fan assembly 10 is provided with a plurality of supporting threaded holes 131, the outer wall of each supporting component 41 is provided with external threads matched with the supporting threaded holes 131, and each supporting component 41 is in threaded connection with a corresponding supporting threaded hole 131, so that each supporting component 41 is fixedly arranged relative to the bottom mounting plate 13. The above arrangement is such that when the support members 40 are in the first mounting state, the first and second fixing pieces on the respective support members 41 are removed, the respective support members 41 are removed from the bottom mounting plate 13 of the fan assembly 10, the plurality of support members 41 are arranged in one-to-one correspondence with the plurality of support screw holes 131 on the bottom mounting plate 13 and are fixed vertically downward in the respective support screw holes 131, and at the same time, the outer hexagonal heads of the respective support members 41 are ensured upward so that the support members 40 are in the second mounting state, and when the fan assembly 10 is lowered to a predetermined position, the respective support members 41 are moved relative to the support base 1 and are brought into contact with the support base 1 by operating the operating portions 43 of the respective support members 41 to support the fan assembly 10.

Specifically, the operation portions 43 are provided on each of the support members 41 so that each of the support members 41 is rotated to be pierced on the bottom mounting plate 13 by operating the operation portions 43 when the support assembly 40 is in the second mounting state. The above arrangement is such that the operation part 43 of the support member 41 is operated by a socket tool or a screw driver to rotate downward, so that the support member 41 is inserted on the bottom mounting plate 13, and when the fan assembly 10 is lowered to a predetermined position, the operation part 43 is rotated until the support member 41 cannot move downward, which means that the support member 41 has contacted the bottom mounting plate 13, so as to support the fan assembly 10.

As shown in fig. 1 and 2 and 8, in this embodiment, the lift assembly 30 includes a hanger plate 33 and a moving structure, the hanger plate 33 being adapted to be removably coupled to the top mounting plate 12 of the fan assembly 10; the moving structure includes a first moving part 31 and a second moving part 34, the first moving part 31 is mounted on the lifting frame 20, the second moving part 34 is connected with the hanging plate 33, and the first moving part 31 and the second moving part 34 are relatively movably connected to realize lifting of the fan assembly 10. In the above arrangement, the hanging plate 33 is in a U-shaped strip shape, the center of the hanging plate 33 is provided with the hanging hole 331, the left side and the right side of the hanging plate are symmetrically provided with the fourth through hole and the fifth through hole, the second moving part 34 passes through the hanging hole 331 and is welded and fixed on the hanging plate 33, and the hanging plate 33 is connected with the top mounting plate 12 of the fan assembly 10 through the fourth through hole and the fifth through hole; the mounting beam 24 has a U-shaped structure with a U-shaped groove and an upward opening, the first moving member 31 has a fixing portion 32 which is an external hexagonal head, after the external thread section of the first moving member 31 passes through the third through hole 241 of the mounting beam 24 of the lifting frame 20 downwards, the external hexagonal head of the first moving member 31 is clamped in the U-shaped groove on the mounting beam 24 of the lifting frame 20 and cannot rotate freely, and meanwhile, the external thread section of the first moving member 31 and the internal thread section of the second moving member 34 form a thread pair in a matching manner, so that the fan assembly 10 is movably arranged relative to the first moving member 31. To rotate the second moving member 34 with respect to the first moving member 31 by rotating the blower assembly 10 after releasing the first mounted state of the support assembly 40, so as to drive the blower assembly 10 to perform a lifting movement with respect to the support base 1.

In another embodiment of the present utility model, a vertically upward external screw bolt is fixedly welded to the hanging plate 33, and an internal screw pipe having an external hexagonal head is passed through and suspended from the third through hole 241 of the mounting beam 24, and the external screw bolt and the internal screw pipe form a screw pair to be rotatably connected with the internal screw pipe by the external screw bolt, so that the fan assembly 10 performs a lifting movement with respect to the support base 1.

Further, the first moving member 31 and the second moving member 34 are both extended in the vertical direction and screw-engaged to raise and lower the fan assembly 10 by rotating the fan assembly 10, or the first moving member 31, or the second moving member 34; and/or one end of the first moving part 31 is provided with a fixing part 32, the hanging plate 33 is provided with a hanging hole 331, the second moving part 34 passes through the hanging hole 331 and is fixedly connected with the hanging plate 33, and the fixing part 32 is in limit fit with the hanging frame 20 so as to limit the first moving part 31 on the hanging frame 20. In the above arrangement, the fixing portion 32 of the first moving member 31 is an outer hexagon, the first moving member 31 passes through the third through hole 241 on the mounting beam 24, and the outer hexagon of the fixing portion 32 is blocked in the U-shaped slot of the mounting beam 24, so that the second moving member 34 is movably arranged relative to the first moving member 31, and the fan assembly 10 is lifted relative to the first moving member 31 by rotating the fan assembly 10 or the second moving member 34.

As shown in fig. 1 to 6, the lifting frame 20 includes a base 21, a plurality of columns 22, a plurality of cross beams 23, and a mounting beam 24, a moving opening 211 is provided on the base 21, a plurality of fixing holes 212 are further provided on the base 21, the plurality of fixing holes 212 are provided around the moving opening 211, and the support assembly 40 includes a plurality of support members 41; when the support assembly 40 is in the first installation state, each support member 41 is fixedly connected with the base 21 by the second fixing member penetrating into each support member 41 and the corresponding fixing hole 212; the bottom ends of the upright posts 22 are connected with the base 21; at least one cross beam 23 is arranged between any two adjacent upright posts 22 along the circumferential direction of the base 21; the mounting beam 24 is connected with any two oppositely arranged cross beams 23, a third through hole 241 is formed in the mounting beam 24, and the lifting assembly 30 is connected with the mounting beam 24 through the third through hole 241.

In the above arrangement, the mounting beam 24 has a U-shaped groove structure with an upward opening, and the vertical central axis of the third via hole 241 on the mounting beam 24 and the vertical central axis of the moving opening 211 on the base 21 are located on the same vertical line; when the support assembly 40 is in the first installation state, the whole of the fan assembly 10 with the support member 41 fixed thereto is moved into the base 21 of the lifting frame 20 and aligned with the moving opening 211, the position is adjusted such that the second through hole 423 of the support member 41 is aligned with the fixing hole 212 on the base 21, and the support member 41 is fixed to the base 21 through the second through hole 423 and the fixing hole 212 by the fixing bolt, so that the fixing state of the fan assembly 10 is completed, and at the same time, the first moving member 31 is respectively passed through the third through hole 241 and the second moving member 34 on the mounting beam 24, so that the fan assembly 10 is movably arranged relative to the first moving member 31, at this time, the first moving member 31 is rotated downward to pass through the second moving member 34 until the fixing portion 32 of the first moving member 31 is blocked in the U-shaped notch of the mounting beam 24, and thus the fan assembly 10 is fixed to the lifting frame 20 is completed.

In a second aspect of the present utility model, 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.

As shown in fig. 1 and 2, the fan assembly 10 includes a centrifugal fan 11, a top mounting plate 12, a bottom mounting plate 13, and a plurality of fixing posts 14, the bottom mounting plate 13 is connected with the centrifugal fan 11, and both ends of the plurality of fixing posts 14 are detachably connected with the top mounting plate 12 and the bottom mounting plate 13, respectively; wherein the outer circumferential surface of the top mounting plate 12 protrudes from the outer circumferential surface of the bottom mounting plate 13 to fix the fan assembly 10 to the hoist frame 20 by means of a third fixing member provided to penetrate the fan assembly 10 and the hoist frame 20 after the fan assembly 10 is lowered to a predetermined position. Above-mentioned setting, top mounting panel 12 is fixed state's water conservancy diversion circle, and centrifugal fan 11 passes through the motor to be fixed on bottom mounting panel 13, has reasonable clearance between top mounting panel 12 and the centrifugal fan 11 to avoid the collision. The two ends of the fixed column 14 are provided with external thread sections, the centrifugal fan 11 is fixedly arranged on the bottom mounting plate 13, a plurality of third threaded holes are formed in the bottom mounting plate 13 at intervals along the circumferential direction of the bottom mounting plate, and the external thread sections at the lower end of the fixed column 14 penetrate through the corresponding third threaded holes in the bottom mounting plate 13 to be fixedly connected; the top mounting plate 12 of the fan assembly 10 is a guide ring, seventh through holes are arranged at intervals along the circumferential direction of the guide ring, the external thread section at the upper end of the fixing column 14 passes through the corresponding seventh through hole on the top mounting plate 12, and meanwhile, the fourth through hole or the fifth through hole of the hanging plate 33 passes through one end of the upper end of the fixing column 14, which passes through the fourth threaded hole, and is fixedly connected by a nut. When the fan assembly 10 is lowered to a predetermined position, the top mounting plate 12 of the fan assembly 10 is brought into contact with 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 top mounting plate 12 and the base 21.

In this embodiment, a plurality of seal holes are also provided on the top mounting plate 12 at intervals along the circumferential direction thereof, and at the same time, the plurality of seal holes are aligned with a plurality of support screw holes 131 on the lower mounting plate 13, and the plurality of seal plugs are screwed into the corresponding seal holes, so that when the fan assembly 10 is lowered to a predetermined position, the seal plugs on the top mounting plate 12 on the fan assembly 10 are removed, the outer hexagonal heads or cross grooves of the operating portions 43 of the support members 41 on the bottom mounting plate 13 can be seen through the seal holes on the top mounting plate 12, and the outer hexagonal heads of the operating portions 43 on the support members 41 are driven by the socket tool or the cross grooves of the operating portions 43 of the support members 41 are rotated downward by the screwdrivers until the support members 41 cannot continue to move down, which means that the support members 41 have been brought into contact with the support base 1 to support the fan assembly 10, and finally the seal plugs are resecured into the seal on the top mounting plate 12.

In this embodiment, as shown in fig. 2 and 6, when the fan assembly 10 is completely lowered to the predetermined position and the top mounting plate 12 is fixedly connected to the base 21, the supporting assembly 40 is in the second mounting state and supports the fan assembly 10, and the external thread section of the fixing post 14 is removed to pass through the nuts on the top mounting plate 12 and the hanging plate 33 of the fan assembly 10, so that the lifting assembly 30 is disconnected from the fan assembly 10.

From the above description, it can be seen that the above embodiments of the present utility model 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 is arranged in a relatively movable manner, so that the fan assembly is arranged in a vertically movable manner relative to the support base surface through the relative movement between the fan assembly and the lifting assembly; the support assembly is configured to be mounted to a bottom end of the fan assembly such that the support assembly contacts the support base surface to support the fan assembly when a portion of the fan assembly is lowered through the movement opening to a predetermined position. Above-mentioned setting, lifting unit's first moving part is connected with the installation roof beam of hoist and mount frame, and lifting unit's second moving part is connected with fan unit's top mounting panel through hanging the board to hang fan unit in the top of removal opening, simultaneously, first moving part and second moving part relative movability set up. When the support assembly is in a first installation state, the bottom installation plate of the fan assembly is fixedly connected with the base; when the support assembly is in the second installation state, the fan assembly is enabled to move relative to the first moving part through rotation of the fan assembly, and then part of the fan assembly penetrates through the moving opening and moves up and down relative to the support base surface, and meanwhile, when the fan assembly descends to a preset position, the support assembly is enabled to contact with the support base surface and support the fan assembly through operation of the support 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 the bottom supporting is difficult 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 example embodiments in accordance with 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 utility model 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 utility model, 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 utility model 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 utility model; 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 utility model.

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

Claims (12)

1. A lifting device for lifting a fan assembly (10), the lifting device comprising:

-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), the lifting assembly (30) being connected to the fan assembly (10) to hoist the fan assembly (10) on the hoist frame (20), the lifting assembly (30) being arranged to be movable relative to the fan assembly (10) to enable the fan assembly (10) to be arranged to be movable in a vertical direction relative to the support base (1) by a relative movement between the fan assembly (10) and the lifting assembly (30);

-a support assembly (40), the support assembly (40) being adapted to be mounted at the bottom end of the fan assembly (10) such that the support assembly (40) is in contact with the support base surface (1) for supporting the fan assembly (10) when a portion of the fan assembly (10) passes through the movement opening (211) and descends to a predetermined position.

2. The lifting device of claim 1, wherein the support assembly (40) has a first mounted state and a second mounted state in which it is mounted on a bottom end of the fan assembly (10); when the supporting component (40) is in the first installation state, the supporting component (40) is connected with the base (21) of the hoisting frame (20) so that the fan component (10) is fixedly connected with the base (21) through the supporting component (40); when the support assembly (40) is in the second mounted state, the bottom end of the support assembly (40) is arranged towards the support base (1) for contact with the support base (1).

3. Lifting device according to claim 2, characterized in that the support assembly (40) comprises a plurality of support members (41) distributed along the circumference of the fan assembly (10), each support member (41) being detachably connected to the bottom end of the fan assembly (10); when the supporting component (40) is in the first installation state, one end of each supporting component (41) is relatively fixedly connected with the bottom end of the fan component (10), and the other end of each supporting component (41) is relatively fixedly connected with the lifting frame (20), so that the position of the fan component (10) is fixed relative to the lifting frame (20); when the support assembly (40) is in the second mounted state, the bottom end of each support member (41) is disposed towards the support base (1) for contact with the support base (1).

4. A lifting device according to claim 3, wherein each of the support members (41) comprises:

the support rod (42), be provided with draw-in groove (421) on bracing piece (42), draw-in groove (421) are followed the axial direction of bracing piece (42) sets up the one end of bracing piece (42), so that when support assembly (40) are in first installation state, the partial card of bottom mounting panel (13) of fan assembly (10) is established in draw-in groove (421), so that bracing piece (42) with bottom mounting panel (13) of fan assembly (10) are connected.

5. The lifting device of claim 4, wherein the lifting device comprises a lifting device,

the support rod (42) is provided with a first through hole (422), and the first through hole (422) is communicated with the clamping groove (421) so that the fan assembly (10) is fixedly connected with the support rod (42) through a first fixing piece penetrating through the first through hole (422) and the bottom end of the fan assembly (10); and/or

The support rod (42) is provided with a second through hole (423) so that the base (21) is fixedly connected with the support rod (42) through a second fixing piece penetrating through the second through hole (423) and the base (21) to fix the position of the fan assembly (10) relative to the base (21); and/or

When the supporting component (40) is in a first installation state, the axis of the supporting rod (42) is horizontally arranged; when the support assembly (40) is in the second installation state, the axis of the support rod (42) is disposed vertically.

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

a plurality of supporting threaded holes (131) are formed in a bottom mounting plate (13) of the fan assembly (10), external threads matched with the supporting threaded holes (131) are formed in the outer wall of each supporting component (41), and each supporting component (41) is in threaded connection with a corresponding one of the supporting threaded holes (131) so that each supporting component (41) is fixedly arranged relative to the bottom mounting plate (13).

7. The lifting device of claim 6, wherein the lifting device comprises a lifting device,

an operation portion (43) is provided on each of the support members (41) so that each of the support members (41) is rotated by operating the operation portion (43) to be pierced on the bottom mounting plate (13) when the support assembly (40) is in the second mounting state.

8. The lifting device according to any one of claims 1 to 7, characterized in that the lifting assembly (30) comprises:

a hanger plate (33), the hanger plate (33) being adapted to be removably connected with a top mounting plate (12) of the fan assembly (10);

the motion structure comprises a first motion part (31) and a second motion part (34), wherein the first motion part (31) is installed on the hoisting frame (20), the second motion part (34) is connected with the hanging plate (33), and the first motion part (31) and the second motion part (34) are relatively movably connected so as to realize lifting of the fan assembly (10).

9. The lifting device of claim 8, wherein the lifting device comprises a lifting device,

the first moving part (31) and the second moving part (34) extend along the vertical direction and are in threaded fit, so that the fan assembly (10) is lifted by rotating the fan assembly (10) or the second moving part (34); and/or

One end of the first moving part (31) is provided with a fixing part (32), a hanging hole (331) is formed in the hanging plate (33), the second moving part (34) penetrates through the hanging hole (331) and is fixedly connected with the hanging plate (33), and the fixing part (32) is in limit fit with the hanging frame (20) so as to limit the first moving part (31) on the hanging frame (20).

10. Lifting device according to claim 1, characterized in that the lifting frame (20) comprises:

the base (21), the moving opening (211) is arranged on the base (21), a plurality of fixing holes (212) are further formed in the base (21), the fixing holes (212) are arranged around the moving opening (211), and the supporting component (40) comprises a plurality of supporting parts (41); when the supporting component (40) is in a first installation state, each supporting component (41) is fixedly connected with the base (21) through a second fixing component penetrating through each supporting component (41) and the corresponding 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 crossbeam (23) that set up relatively, be provided with third via hole (241) on the mounting beam (24), lifting unit (30) pass through third via hole (241) with the mounting beam (24) is connected.

11. 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 10, the fan assembly (10) being mounted on the lifting device.

12. The air conditioning unit according to claim 11, wherein the fan assembly (10) includes a centrifugal fan (11), a top mounting plate (12), a bottom mounting plate (13), and a plurality of fixing posts (14), the bottom mounting plate (13) being connected to the centrifugal fan (11), both ends of the plurality of fixing posts (14) being detachably connected to the top mounting plate (12) and the bottom mounting plate (13), respectively; wherein, the outer peripheral surface of the top mounting plate (12) protrudes out of the outer peripheral surface of the bottom mounting plate (13) so as to fix the fan assembly (10) on the lifting frame (20) through a third fixing part penetrating the fan assembly (10) and the lifting frame (20) after the fan assembly (10) descends to a preset position.