CN215358228U - Special tool for disassembling mechanical shaft body - Google Patents

Abstract

The utility model discloses a special tool for disassembling a mechanical shaft body, which comprises a stress application fixing disc, a jacking screw rod, a positioning bolt and a positioning pipe, wherein a through adjusting groove is formed in the disc surface of the stress application fixing disc, a screw hole is formed in the center of the stress application fixing disc, the jacking screw rod is in threaded connection with the screw hole, the positioning bolt is arranged in the adjusting groove, the screw rod part of the positioning bolt is arranged on one side of the stress application fixing disc in an extending mode, and the positioning pipe is sleeved on the positioning bolt. The shaft body device has the advantages that the overhauling efficiency of the equipment with the mechanical shaft body is greatly improved, the overhauling cost of the shaft body device is reduced, the shaft body can be quickly disassembled, the normal production use of the equipment is ensured, and the normal production activity is ensured.

Description

Special tool for disassembling mechanical shaft body

Technical Field

The utility model belongs to the technical field of disassembling tools for mechanical shafts, and particularly relates to a special tool for disassembling a mechanical shaft.

Background

When other equipment that has mechanical axis body such as lift reduction gear and hoist engine overhauls, its axis body is dismantled the difficulty and consuming time longer, the damage of conventional mode of dismantling of beating is great to speed reducer and equipment axis body, accessory loss is great, directly influence the quality and the efficiency of equipment maintenance, when the axis body is overhauld, about 2.5 days consuming time are overhauld to the single, maintenance efficiency is not high, when meetting interim trouble and salvageing, the normal production of long direct influence equipment system consuming time, when dismantling the axis body through conventional mode of beating and drawing, easily hinder speed reducer body and axis body, when demolising the hoist engine main shaft, its axis body can not secondary use, need carry out the machine tooling and restore or change new axis body, the cost of inspection maintenance has not only been increased, and the efficiency of equipment maintenance has been reduceed, influence normal production activity.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special tool for disassembling a mechanical shaft body, which aims to solve the problems that in the prior art, the shaft body is high in inspection and maintenance cost and low in maintenance efficiency, and normal production activities are affected due to the fact that the shaft body and equipment are easily damaged during maintenance in a conventional beating and pulling mode.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a machinery axis body dismantles specialized tool, includes afterburning fixed disk 1, thrust screw 2, positioning bolt 3 and registration arm 4, is equipped with the adjustment tank 5 that link up in the quotation of afterburning fixed disk 1, and the central point of afterburning fixed disk 1 puts and is equipped with screw 6, and thrust screw 2 and 6 threaded connection of screw, and positioning bolt 3 sets up in adjustment tank 5, and its lead screw portion extends the setting in one side of afterburning fixed disk 1, and 4 suits of registration arm are on positioning bolt 3.

Preferably, the disk surface of the forcing fixed disk 1 is provided with at least 8 through adjusting grooves 5.

Preferably, one end of the jacking force screw rod 2 is provided with a hexagonal end 7, the other end of the jacking force screw rod is provided with a convex block 8, and the convex block 8 is sleeved with a thrust bearing 9 and a conical jacking head 10.

Preferably, the matching connection part of the conical plug 10, the jacking screw 2 and the thrust bearing 9 is provided with a groove 11 matched with the thrust bearing 9.

Preferably, the middle part of the stress application fixing disc 1 is provided with a boss 12.

Preferably, the diameter of the positioning tube 4 is larger than the width of the adjustment groove 5.

Preferably, the length of the positioning bolt 3 is greater than the length of the positioning tube 4.

The utility model has the advantages that: under the cooperation of the jacking lead screw and the boosting fixed disc, the positioning pipe is sleeved on the positioning bolt, the positioning bolt moves in the adjusting groove according to shaft bodies with different sizes, the positioning bolt is fixed on the shaft head of the shaft body, a gap is formed between the boosting fixed disc and the shaft head under the action of the positioning pipe, a worker turns and twists a hexagonal end head at the end part of the jacking lead screw through a wrench, a conical top head at the end part of the jacking lead screw abuts against one side of the shaft head, the mechanical shaft body can be quickly disassembled from the device under the action of continuous rotation of the jacking lead screw, the thrust bearing can effectively reduce the friction force of the conical top head in the rotation process of the jacking lead screw, the service life of a disassembling tool can be effectively prolonged, the overhauling efficiency of equipment with the mechanical shaft body is greatly improved, the cost of overhauling the shaft body equipment is reduced, and the disassembling work of the shaft body can be quickly completed, the normal production of the equipment is ensured, and the normal production activity is ensured.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure view of the jacking force screw of the present invention.

FIG. 3 is a schematic view of the present invention cooperating with a shaft.

The reference numerals have the following meanings: the device comprises a stress application fixing disc (1), a jacking lead screw (2), a positioning bolt (3), a positioning pipe (4), an adjusting groove (5), a screw hole (6), an end (7), a convex block (8), a thrust bearing (9), a conical top head (10), a groove (11) and a boss (12).

Detailed Description

The utility model is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 to fig. 3, a special tool for detaching a mechanical shaft body comprises a stress application fixing disc 1, a jacking force lead screw 2, a positioning bolt 3 and a positioning tube 4, wherein a through adjusting groove 5 is arranged on the disc surface of the stress application fixing disc 1, a screw hole 6 is arranged at the central position of the stress application fixing disc 1, the jacking force lead screw 2 is in threaded connection with the screw hole 6, the positioning bolt 3 is arranged in the adjusting groove 5, the lead screw part of the positioning bolt extends to be arranged at one side of the stress application fixing disc 1, the positioning bolt 3 is fixed at one side of the shaft body to be detached through the adjusting groove 5, the adjusting groove 5 is suitable for detaching shaft bodies with different diameters, according to different shaft body sizes, the positioning bolt 3 only needs to be moved in the adjusting groove 5 and fixed at one side of the shaft body, the application range of the detaching tool is expanded, the positioning tube 4 is sleeved on the positioning bolt 3, and the positioning tube 4 enables a gap to be formed between the stress application fixing disc 1 and the shaft body to be detached, under the rotation of jacking force lead screw 2, ejecting the axis body from equipment, dismantle it and overhaul, improved the maintenance efficiency who has mechanical axis body equipment, cost when having reduced axis body overhaul, the dismantlement work of completion axis body that can be quick guarantees the just-producing use of equipment, guarantees whole normal production activity.

In order to ensure the stability of the stress application fixed disk 1 in the process of detaching the shaft body, at least 8 through adjusting grooves 5 are arranged on the disk surface of the stress application fixed disk 1.

In order to guarantee that jacking force lead screw 2 is doing rotatory ejecting in-process to the axis body, the stability of its tip, reduce because of the rotatory wearing and tearing that produce of jacking force lead screw 2, one end at jacking force lead screw 2 is equipped with hexagon end 7, the other end is equipped with lug 8, the cover is equipped with thrust bearing 9 and toper top 10 on the lug 8, toper top 10, jacking force lead screw 2 is equipped with the recess 11 with thrust bearing 9 looks adaptation with the cooperation connecting portion of thrust bearing 9, toper top 10 is in the same place through thrust bearing 9 and jacking force lead screw 2 cooperation, at the rotatory in-process of jacking force lead screw 2, can effectual reduction jacking force lead screw 2 rotatory in-process with the frictional force of axis body, alleviate jacking force lead screw 2's wearing and tearing, the life of extension extracting tool.

In order to ensure the stability of the matching of the jacking force screw rod 2 and the stress application fixing disc 1 and to prolong the length of the threaded connection part of the jacking force screw rod 2 and the stress application fixing disc 2, a boss 12 is arranged in the middle of the stress application fixing disc 1, the length of the threaded connection can be effectively prolonged by the boss 12, and the stability of the jacking force screw rod 2 in the rotating process is ensured.

In order to make the better work of extracting tool, be convenient for the dismantlement of axis body, the diameter that sets up registration arm 4 is greater than the width of adjustment tank 5, and the length of positioning bolt 3 is greater than the length of registration arm 4.

The working process of the utility model is as follows: firstly, a jacking screw rod 2 and a stress application fixing disc 1 are connected together in a threaded manner, and the stress application fixing disc 1 is arranged on one side of equipment needing to disassemble a shaft body for maintenance; secondly, inserting the positioning bolt 3 into the adjusting groove 5, wherein the positioning bolt 3 can move in the adjusting groove 5 according to the size of the shaft body, adjusting the positioning bolt 3 to a corresponding position, sleeving the positioning pipe 4 on the positioning bolt 3, and fixing the positioning bolt 3 and a shaft head to be disassembled together; finally, lean on one side at the axis body with the tip top of jacking force lead screw 2, and lean on axis body one side with its tight top, the staff who overhauls blocks the spanner on hexagon end 7, constantly rotatory spanner, under the continuous rotation of jacking force lead screw 2, ejecting in the axis body slave unit, the thrust bearing 9 and the cooperation of toper top 10 of its tip, can effectually reduce the frictional force of its tip, effectual extension extracting tool's life-span, the dismantlement work of completion axis body that can be quick, make things convenient for the later stage to overhaul, cost when having reduced axis body overhaul, guarantee the normal product use of equipment, guarantee normal production activity.

Claims (7)

1. The utility model provides a specialized tool is dismantled to mechanical axis body which characterized in that: including afterburning fixed disk (1), thrust screw (2), positioning bolt (3) and registration arm (4), be equipped with regulation groove (5) that link up in the quotation of afterburning fixed disk (1), the central point of afterburning fixed disk (1) puts and is equipped with screw (6), thrust screw (2) and screw (6) threaded connection, positioning bolt (3) set up in regulation groove (5), and its lead screw portion extends the one side that sets up at afterburning fixed disk (1), registration arm (4) suit is on positioning bolt (3).

2. The special tool for disassembling the mechanical shaft body according to claim 1, wherein: the disk surface of the stress application fixed disk (1) is provided with at least 8 through adjusting grooves (5).

3. The special tool for disassembling the mechanical shaft body according to claim 2, wherein: one end of the jacking lead screw (2) is provided with a hexagonal end (7), the other end of the jacking lead screw is provided with a convex block (8), and the convex block (8) is sleeved with a thrust bearing (9) and a conical top head (10).

4. The special tool for disassembling the mechanical shaft body according to claim 3, wherein: and the matching connection parts of the conical top head (10), the jacking lead screw (2) and the thrust bearing (9) are provided with grooves (11) matched with the thrust bearing (9).

5. The tool special for disassembling the mechanical shaft body according to claim 4, wherein: and a boss (12) is arranged in the middle of the stress application fixing disc (1).

6. The tool special for disassembling the mechanical shaft body according to claim 5, wherein: the diameter of the positioning pipe (4) is larger than the width of the adjusting groove (5).

7. The special tool for disassembling the mechanical shaft body according to claim 6, wherein: the length of the positioning bolt (3) is greater than that of the positioning pipe (4).

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