CN218576122U

CN218576122U - Fan wheel dismantles and uses device

Info

Publication number: CN218576122U
Application number: CN202222878206.7U
Authority: CN
Inventors: 陈汉军; 王栋; 刘峰; 周原; 郭光玉; 陈浩然; 刘德飞; 王叶蓁; 张凌燕; 李祥国
Original assignee: Shandong Jitie Locomotive Equipment Group Co ltd
Current assignee: Shandong Jitie Locomotive Equipment Group Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-07
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a fan wheel dismantles and uses device, the novel nipple rectifier comprises a cylindrical shel, roof and lead screw, the inside cavity of barrel, the one end opening, other end intermediate position set up threaded hole, roof fixed connection is in barrel open-ended one end, first screw thread mounting hole has been seted up on the roof, the lead screw peg graft at threaded hole inside and with screw hole threaded connection, the one end fixedly connected with nut of lead screw, one side of barrel is provided with the fan main part, the inside bolt fixed mounting that passes through of fan main part has the flabellum main part, the flabellum main part includes the flabellum holding surface, set up the mounting hole with the motor shaft cooperation joint on the motor of fan main part internally mounted on the flabellum holding surface, the second screw thread mounting hole has been seted up to the periphery side of mounting hole, the utility model relates to a fan device technical field, this fan wheel dismantles and uses device, dismantles simply, and alone just can operate, has improved maintenance quality, has solved the difficult problem that fan flabellum corrosion can not completely disassemble.

Description

Fan wheel dismantles and uses device

Technical Field

The utility model relates to a fan disassembling device technical field specifically is fan wheel dismantles and uses device.

Background

Centrifugal fan is locomotive air conditioning unit's important component, convey the driver's cabin with the evaporimeter refrigeration capacity, because centrifugal fan is close to the evaporimeter and causes the humidity in the air to influence the motor bearing life-span, cause the bearing life to shorten, cause motor insulation to reduce to cause the locomotive to break when serious, consequently need disassemble the maintenance to centrifugal fan sometimes, repair technical standard according to C4, combine centrifugal fan motor and flabellum connection characteristics, the spline pin of current centrifugal fan axle is narrow and small and the serious difficult disassembly of corrosion in flabellum junction space, current general disassembling through brute force very easily causes mechanical damage to flabellum mounting hole and motor shaft, lead to the unable continuation of fan to use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a fan wheel dismantles and uses device has solved current problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: fan wheel dismantles and uses device, including barrel, roof and lead screw, the inside cavity of barrel, one end opening, other end intermediate position set up threaded hole, roof fixed connection is in barrel open-ended one end, first screw thread mounting hole has been seted up on the roof, the lead screw peg graft at screw hole inside and with screw hole threaded connection, the one end fixedly connected with nut of lead screw, one side of barrel is provided with the fan main part, there is the flabellum main part fan main part inside through bolt fixed mounting, the flabellum main part includes the flabellum holding surface, set up the mounting hole with the motor shaft cooperation joint on the motor of fan main part internally mounted's the motor on the flabellum holding surface, second screw thread mounting hole has been seted up to the periphery side of mounting hole.

Preferably, the number of the first threaded mounting holes is three, and the first threaded mounting holes are distributed on the top plate in an equiangular and circumferential manner.

Preferably, the other end of the screw rod is fixedly connected with a jacking head, and the surface of the jacking head is subjected to smooth transition treatment.

Preferably, the number of the second threaded mounting holes is three, the second threaded mounting holes are distributed on the periphery of the mounting holes in an equiangular circumference mode, and the second threaded mounting holes are fixedly connected with the first threaded mounting holes through bolts.

Preferably, the screw rod is a fine thread screw rod.

Preferably, the nut is a hexagonal nut or an octagonal nut.

Advantageous effects

The utility model provides a fan wheel dismantles and uses device. Compared with the prior art, the method has the following beneficial effects:

this fan wheel dismantles and uses device, through the three original second screw thread mounting hole of flabellum holding surface in the fan main part, adopt the inside grafting lead screw that runs through of barrel, the screw hole threaded connection who sets up on lead screw and the barrel, set up first screw thread mounting hole on the roof and can with second screw thread mounting hole bolted connection, and then fix the barrel in flabellum holding surface one side, and through supporting the top tightly on the motor shaft in the mounting hole, through swivel nut with the lead screw top tightly on the motor shaft, thereby with motor shaft and the slow separation of flabellum main part, this device is to motor shaft and mounting hole no mechanical damage, it is normal to have guaranteed its fit clearance, it is simple to dismantle simultaneously, just can operate alone, the maintenance quality is improved.

This device is used in fan wheel dismantlement has solved the difficult problem that fan flabellum corrosion can not be disassembled completely, has practiced thrift the cost of maintenance, has ensured centrifugal fan's product quality simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the cylinder and the top plate of the present invention;

FIG. 3 is a schematic view of the screw rod structure of the present invention;

fig. 4 is a schematic view of the structure of the cylinder, the top plate and the screw rod of the present invention.

In the figure: 1. a barrel; 11. a threaded hole; 2. a top plate; 21. a first threaded mounting hole; 3. a screw rod; 31. a nut; 32. ejecting the head; 4. a fan main body; 5. a fan blade main body; 51. a fan blade support surface; 511. mounting holes; 512. a second threaded mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides two technical solutions:

the first embodiment is as follows:

fan wheel dismantles and uses device, including barrel 1, roof 2 and

lead screw

3, 1 inside cavity of barrel, one end opening, other end intermediate position sets up

screw hole

11, 2 fixed connection of roof are in 1 open-ended one end of barrel, first screw thread mounting hole 21 has been seted up on

roof

2, 3 pegs graft of lead screw at screw hole 11 inside and with screw hole 11 threaded connection, the one end fixedly connected with nut 31 of lead screw 3, one side of barrel 1 is provided with fan

main part

4, 4 inside bolt fixed mounting that has fan blade main part 5 through the fan blade main part, fan blade main part 5 includes fan blade holding surface 51, set up the mounting hole 511 with the motor shaft cooperation joint on the motor of 4 internally mounted of fan main part on the fan blade holding surface 51, second screw thread mounting hole 512 has been seted up to the periphery side of mounting hole 511.

Example two:

the fan impeller dismounting device comprises a barrel body 1, a top plate 2 and a screw rod 3, wherein the barrel body 1 is hollow, one end of the barrel body is open, a threaded hole 11 is formed in the middle position of the other end of the barrel body, the top plate 2 is fixedly connected to one end of the opening of the barrel body 1, a first threaded mounting hole 21 is formed in the top plate 2, the number of the first threaded mounting holes 21 is three, the first threaded mounting holes 21 are distributed on the top plate 2 in an equiangular circumference mode, the number of second threaded mounting holes 512 is three, the second threaded mounting holes 512 are distributed on the periphery of a mounting hole 511 in an equiangular circumference mode, the second threaded mounting holes 512 are fixedly connected with the first threaded mounting holes 21 through bolts, and the top plate 2 can be mounted on a fan blade supporting surface 51 through bolts; the screw rod 3 is inserted into the threaded hole 11 and is in threaded connection with the threaded hole 11, the screw rod 3 is a fine-thread screw rod, when the screw rod rotates for the same number of turns, the feeding speed of the fine-thread screw rod is smaller than that of a coarse-thread screw rod, the top head 32 arranged at the end part of the screw rod 3 has a smaller feeding speed, and the damage to the fan blade main body 5 is further reduced in the process of disassembling the fan blade main body 5; one end of the screw rod 3 is fixedly connected with a nut 31, and the nut 31 is a hexagon nut or an octagonal nut, so that the nut 31 can be conveniently screwed by a wrench, and the screw rod 3 can be further screwed; the other end of the screw rod 3 is fixedly connected with a top head 32, and the surface of the top head 32 is subjected to smooth transition treatment, so that the mechanical damage to the surface of a motor shaft, the surface of the fan blade supporting surface 51 and the mounting hole 511 during disassembly is avoided; one side of barrel 1 is provided with fan main part 4, and fan main part 4 is inside to have flabellum main part 5 through bolt fixed mounting, and flabellum main part 5 includes flabellum holding surface 51, offers the mounting hole 511 with the motor shaft cooperation joint on the motor of fan main part 4 internally mounted on the flabellum holding surface 51, and second screw thread mounting hole 512 has been seted up to the periphery side of mounting hole 511.

When the device for disassembling the fan impeller is used, the fan blade main body 5 is matched with and clamped on a motor shaft of an internally-installed motor of the fan main body 4 through the mounting hole 511, and is connected with the motor shaft through the second thread mounting hole 512 in a bolt mode, when the device is disassembled, the bolt on the second thread mounting hole 512 is firstly disassembled, then the screw rod 3 is penetrated and inserted in the barrel 1, the screw rod 3 is in threaded connection with the threaded hole 11 formed in the barrel 1, the first thread mounting hole 21 formed in the top plate 2 can be in threaded connection with the three original second thread mounting holes 512 of the fan blade supporting surface 51, the barrel 1 is fixed on one side of the fan blade supporting surface 51, the top head 32 is tightly abutted to the motor shaft in the mounting hole 511, the screw rod 3 is tightly abutted to the motor shaft through the rotary nut 31, the motor shaft is slowly separated from the fan blade main body 5, the device has no mechanical damage to the motor shaft and the mounting hole 511, the normal fit clearance is ensured, meanwhile, the disassembly is simple and the operation can be realized, the overhaul quality is improved, the problem that the fan blades cannot be integrated, the maintenance cost is saved, and the centrifugal quality of a fan product is ensured.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Fan wheel dismantles and uses device, including barrel (1), roof (2) and lead screw (3), its characterized in that: the utility model discloses a fan, including barrel (1), screw hole (11), roof (2) fixed connection, first screw thread mounting hole (21) have been seted up to barrel (1) inside cavity, one end opening, other end intermediate position, roof (2) fixed connection is in barrel (1) open-ended one end, first screw thread mounting hole (21) have been seted up on roof (2), screw rod (3) peg graft in screw hole (11) inside and with screw hole (11) threaded connection, the one end fixedly connected with nut (31) of screw rod (3), one side of barrel (1) is provided with fan main part (4), fan main part (4) inside has fan blade main part (5) through bolt fixed mounting, fan blade main part (5) include flabellum holding surface (51), set up mounting hole (511) with motor shaft cooperation joint on the motor of fan main part (4) internally mounted on flabellum holding surface (51), second screw thread mounting hole (512) have been seted up to the periphery side of mounting hole (511).

2. The fan wheel dismounting device according to claim 1, characterized in that: the number of the first thread mounting holes (21) is three, and the first thread mounting holes (21) are distributed on the top plate (2) in an equiangular circumferential manner.

3. The fan wheel dismounting device according to claim 1, wherein: the other end of the screw rod (3) is fixedly connected with a top head (32), and the surface of the top head (32) is subjected to smooth transition treatment.

4. The fan wheel dismounting device according to claim 1, characterized in that: the number of the second thread mounting holes (512) is three, the second thread mounting holes (512) are distributed on the periphery of the mounting hole (511) in an equal-angle circumferential mode, and the second thread mounting holes (512) are fixedly connected with the first thread mounting holes (21) through bolts.

5. The fan wheel dismounting device according to claim 1, characterized in that: the screw rod (3) is a fine thread screw rod.

6. The fan wheel dismounting device according to claim 1, characterized in that: the nut (31) is a hexagonal nut or an octagonal nut.