CN210210242U

CN210210242U - Taper fit connecting gear disassembling tool

Info

Publication number: CN210210242U
Application number: CN201920818958.XU
Authority: CN
Inventors: Xingwang Dong; 董兴旺; Na Jiang; 蒋娜; Weiyue Jiang; 蒋伟跃
Original assignee: Ningbo Tianfeng Automobile Air Compressor Co ltd
Current assignee: Ningbo Tianfeng Automobile Air Compressor Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-03-31
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a taper fit connection gear dismounting tool, which relates to the technical field of air compressor gear dismounting, a threaded shaft arranged in the shaft sleeve is penetrated through by a shaft sleeve arranged on a bottom plate, a crankshaft nut and a stress piece which are fixedly arranged at two ends of the threaded shaft are respectively corresponding, when an air compressor gear at the end part of an air compressor is required to be dismounted, the crankshaft nut is firstly required to be unscrewed, then the air compressor gear is clamped into an open slot, at the moment, the stress piece is screwed by a spanner, because the stress piece and the threaded shaft are fixedly welded, the threaded shaft can rotate along with the stress piece until the other end of the threaded shaft props against the outer end face of the crankshaft nut, at the moment, the threaded shaft is required to be continuously screwed, so that the threaded shaft can exert thrust on the air compressor crankshaft, and the conical surface of the air compressor gear fit crankshaft nut is separated from the conical surface of, can accomplish the dismantlement of air compressor machine gear, this process is simple effective, convenient and fast.

Description

Taper fit connecting gear disassembling tool

Technical Field

The utility model relates to an air compressor machine gear dismantles technical field, specifically is a gear extracting tool is connected in taper fit.

Background

An air compressor is also called an air compressor, and is a device for compressing air, and the air compressor is a main body of an air source device, is a device for converting mechanical energy of a prime mover (usually an electric motor) into gas pressure energy, and is an air pressure generating device for compressing air.

The tip of air compressor machine is provided with the gear that has certain tapering, this gear is along with the constantly increasing of air compressor machine number of times of use, the wearing and tearing of different degrees can appear, when this gear wearing and tearing are to unable continuation use, need dismantle it, to the dismantlement of gear on the air compressor machine tip, generally adopt to dismantle the processing with the help of drawing the horse to it, but at the in-process of dismantling, can cause the damage to the output shaft of air compressor machine, and the dismantlement process is comparatively loaded down with trivial details, waste time and energy, for this, we have proposed a taper fit and have connected gear extracting tool.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a gear extracting tool is connected to taper fit has solved the dismantlement of gear on the air compressor machine tip, adopts to dismantle the processing to it with the help of drawing the horse usually, but at the in-process of dismantling, can cause the damage to the output shaft of air compressor machine, and the dismantlement process is comparatively loaded down with trivial details, the problem that wastes time and energy.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a taper fit connection gear removal tool comprising:

support spacing portion, support spacing portion and be a board that has the edges and corners, the board that has the edges and corners is the bottom plate.

The utility model discloses a bottom plate, including bottom plate, cover portion, fixed setting of cover portion is in a side surface of bottom plate, and cover portion is hollow structure's cylinder, cylinder one end is for opening the form, and the central point of the other end puts threaded hole, the surface of cylinder and with the cylinder opens the adjacent tip fixed surface of one end of the form and has seted up the opening, the cylinder is the axle sleeve, the opening is the open slot.

The rotating part is a solid rod piece with threads on the outer side surface, the solid rod piece with threads is used as a main body, the solid rod piece with threads is in through connection with the threaded holes, one end of the solid rod piece extends to the inside of the shaft sleeve, one end of the solid rod piece extending to the inside of the shaft sleeve is fixedly connected with a transmission piece, the outer end face of the solid rod piece with threads on the outer side surface is provided with a transmission piece with certain taper, the transmission piece with certain taper on the outer end face is a threaded shaft, and the transmission piece with certain.

Preferably, the bottom plate and the shaft sleeve are fixedly connected through a welding mode, and the welding mode is full welding.

Preferably, an end face of the threaded shaft, which is opposite to one end fixedly connected with the crankshaft nut, is fixedly provided with a force-bearing part with an edge angle in a welding mode.

Preferably, the open slot is a U-shaped structure with three edges of the same length.

Preferably, the outer diameter of the threaded shaft is matched with the inner diameter of the threaded hole, and the outer diameter and the inner diameter of the threaded shaft are both smaller than the inner diameter of the shaft sleeve.

Preferably, when the crank nut is in a rotating state, the size of the maximum circular track formed is smaller than the inner diameter size of the shaft sleeve.

Advantageous effects

The utility model provides a gear extracting tool is connected to taper fit. Compared with the prior art, the method has the following beneficial effects:

the taper fit connection gear disassembling tool penetrates through a threaded shaft arranged in the shaft sleeve through the shaft sleeve arranged on the bottom plate, and respectively and correspondingly fixes a crankshaft nut and a stress piece which are arranged at two ends of the threaded shaft, when an air compressor gear at the end part of an air compressor needs to be disassembled, the crankshaft nut needs to be unscrewed firstly, then the air compressor gear is clamped into an open slot, at the moment, the stress piece is screwed by virtue of a spanner, and as the stress piece and the threaded shaft are fixedly welded, the threaded shaft can rotate along with the stress piece until the other end of the threaded shaft props against the outer end face of the crankshaft nut, at the moment, the threaded shaft needs to be continuously screwed, so that the threaded shaft can apply thrust on the air compressor crankshaft, the conical surface of the air compressor gear fit crankshaft nut is separated from the conical surface of the air compressor crankshaft, the disassembly of the air compressor gear can be completed, the process, is convenient and quick.

Drawings

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

fig. 2 is a schematic structural view of the utility model in a use state.

In the figure: 1. a base plate; 2. a shaft sleeve; 3. an open slot; 4. a threaded shaft; 5. a crankshaft nut; 6. a force-receiving member; 7. an air compressor; 8. an air compressor crankshaft; 9. air compressor machine gear.

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, the present invention provides a technical solution: a taper fit connection gear removal tool comprising:

support spacing portion, support spacing portion and be a board that has the edges and corners, the board that has the edges and corners is bottom plate 1.

The cover portion, the fixed setting of cover portion is on a side surface of bottom plate 1, and cover portion is hollow structure's cylinder, cylinder one end is for opening the form, the central point of the other end puts set up threaded hole, the surface of cylinder and the end fixed surface who opens the form adjacent with the one end of cylinder have seted up the opening, the cylinder is axle sleeve 2, the opening is open slot 3, open slot 3 is the equal same "U" font structure of length on one three limits, realize fixed connection through the welding mode between bottom plate 1 and the axle sleeve 2, this welding mode is the full weld.

A rotating part, the rotating part takes a solid rod piece with screw thread on the outer side surface as a main body, the solid rod piece with screw thread is connected with the screw thread through the screw thread, one end of the transmission piece extends into the shaft sleeve 2, one end extending into the shaft sleeve 2 is fixedly connected with a transmission piece with a certain taper on the outer end surface, the solid rod piece with the thread on the outer side surface is a threaded shaft 4, the transmission piece with a certain taper on the outer end surface is a crank nut 5, the threaded shaft 4, the end surface opposite to one end fixedly connected with the crankshaft nut 5 is fixedly provided with a force bearing part 6 with an edge angle in a welding way, the outer diameter size of the threaded shaft 4 is matched with the inner diameter size of the threaded hole, and the diameter size of both is less than the internal diameter size of the shaft sleeve 2, and when the crank nut 5 is in a rotating state, the size of the maximum circular track is less than the internal diameter size of the shaft sleeve 2.

When the air compressor gear 9 at the end of the air compressor 7 needs to be disassembled, firstly, the crankshaft nut 5 needs to be unscrewed, then the air compressor gear 9 is clamped into the open slot 3, at the moment, the stress piece 6 is screwed by means of a wrench, and as the stress piece 6 and the threaded shaft 4 are fixed by welding, the threaded shaft 4 can rotate along with the stress piece 6 until the other end of the threaded shaft 4 abuts against the outer end face of the crankshaft nut 5, at the moment, the threaded shaft 4 needs to be screwed continuously, so that the threaded shaft 4 can apply thrust on the air compressor crankshaft 8, the conical surface of the air compressor gear 9 matched with the crankshaft nut 5 is separated from the conical surface of the air compressor crankshaft 8, and the disassembly of the air compressor gear 9 can be completed.

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. A taper fit connection gear removal tool, comprising:

the supporting and limiting part is a plate with edges and corners, and the plate with the edges and corners is a bottom plate (1);

the shielding part is fixedly arranged on one side surface of the bottom plate (1), the shielding part is a cylinder with a hollow structure, one end of the cylinder is open, a threaded hole is formed in the center of the other end of the cylinder, an opening is fixedly formed in the surface of the cylinder and the surface of the end part adjacent to the open end of the cylinder, the cylinder is a shaft sleeve (2), and the opening is an open slot (3);

the rotating part is a solid rod piece with threads on the outer side surface, the rotating part is used as a main body, the solid rod piece with threads is in through connection with the threaded holes, one end of the solid rod piece extends to the inside of the shaft sleeve (2), one end extending to the inside of the shaft sleeve (2) is fixedly connected with a transmission piece with certain taper on the outer end face, the solid rod piece with threads on the outer side surface is a threaded shaft (4), and the transmission piece with certain taper on the outer end face is a crankshaft nut (5).

2. The taper fit connection gear disassembling tool according to claim 1, characterized in that the fixed connection between the base plate (1) and the shaft sleeve (2) is realized by welding, and the welding is full welding.

3. A taper fit connection gear dismantling tool according to claim 1 and characterized in that an angular force receiving member (6) is fixedly arranged on the end surface of the threaded shaft (4) opposite to the end fixedly connected with the crank nut (5) by welding.

4. A taper-fit connection gear removal tool according to claim 1, wherein the open slot (3) is a "u" -shaped structure with three sides of equal length.

5. A taper fit connection gear removal tool according to claim 1, wherein the threaded shaft (4) has an outer diameter dimensioned to fit the inner diameter of the threaded bore, and both have a smaller diameter dimension than the inner diameter dimension of the sleeve (2).

6. A taper fit connection gear removal tool according to claim 1, wherein the crankshaft nut (5) forms a maximum circular path with a dimension smaller than the inner diameter dimension of the sleeve (2) in a rotated state.