KR20230094300A - Shaft separtion device - Google Patents

Abstract

An embodiment of the present invention provides a shaft separation device characterized in that the shaft is separated from the disk by moving a lead screw upward. Shaft separation device according to an embodiment of the present invention is coupled to the shaft, having a lead screw having a male thread on the outside, the shaft coupling portion for fixing the shaft; an adjusting unit coupled to the lead screw and adjusting a vertical position of the lead screw; and a support portion coupled to the adjusting portion and having an end seated on the surface of the housing to support the adjusting portion.

Description

Shaft separation device {SHAFT SEPARTION DEVICE}

The present invention relates to a shaft separation device, and more particularly, to a device for separating a shaft partially assembled in a housing without damaging parts.

In general, shafts are used in many parts of machinery, and all shafts are coupled to housings. In the conventional invention for separating the shaft, the shaft could be separated using a shaft coupling part coupled to a threaded part formed on one side of the shaft. Alternatively, the housing and the shaft could be separated using a gear puller while holding a groove at one end of the shaft as a support point. However, if the gear puller cannot be used because there is no thread on one side of the shaft coupled to the housing or the support point is not suitable, as there is no mechanism to disassemble the shaft, after assembling the jig to the housing of the shaft, apply an impact to the jig disassemble the shaft. Therefore, there is a problem in that parts such as the shaft and the surrounding housing are damaged and the parts are discarded.

Publicated Utility Model Publication No. 20-1996-0013723 (Title of Invention: Bearing-Shaft Separation Mechanism of Power Unit) includes: 1. A latch (2) having a stepped part (7) for hooking on a bearing (9), and this latch As the Y-shaped support (1) provided with a groove for fixing (2) to the end and a screw hole (11) in the center thereof, and the bolt head (4) rotated by being inserted into the center of the support (1) Initiate the bolt (3) to be raised.

However, such a device has problems such as bending the shaft or damaging the housing by applying excessive force to the shaft and the housing.

Therefore, a mechanism for disassembling without damaging parts such as the housing when separating the shaft and the housing without a threaded portion or a supporting point is required.

Public Utility Model Publication No. 20-1996-0013723

An object of the present invention for solving the above problems is to disassemble a shaft without a threaded portion or without a support point without damaging other parts.

Another object of the present invention is to easily disassemble the shaft with little force by fixing the shaft with a clamp and a fixing pin.

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

The configuration of the present invention for achieving the above object is coupled to the shaft, having a lead screw having a male thread on the outside, the shaft coupling portion for fixing the shaft; an adjusting unit coupled to the lead screw and adjusting a vertical position of the lead screw; and a support unit coupled to the control unit and having a distal end seated on the housing surface to support the control unit.

In an embodiment of the present invention, the adjusting unit may include an adjusting nut having a female thread and threaded with the lead screw having a male thread; a thrust bearing coupled to the adjusting nut and rotating the lead screw; a support body coupled to the thrust bearing; and a support body cover coupled to the support body and preventing foreign substances from entering the inside of the control unit.

In an embodiment of the present invention, when the lead screw is moved upward by tightening the adjusting nut, the support seated on the housing moves the housing downward, and the shaft coupling unit coupled with the shaft moves the shaft upward. can be moved

In an embodiment of the present invention, the shaft coupling portion, coupled to the shaft, a clamp for fixing the shaft; a shaft pin coupled to the shaft and inserted into a shaft hole having a shape of a hole penetrating the shaft to increase a binding force between the shaft and the clamp; and a lead screw fixing unit coupled to the lead screw and fixing the lead screw.

In an embodiment of the present invention, a first grab part and a second grab part for fixing the shaft are provided, and the first grab part is a groove formed upward from the lower edge of the inner surface of the first grab part and leading to the upper edge. A first clamp groove may be provided, and the second grab portion may include a second clamp groove, which is a groove formed upward from a lower edge of an inner surface of the second grab portion and connected to an upper edge.

In an embodiment of the present invention, the support unit includes a supporter coupled to the support body and having a first supporter and a second supporter for supporting the adjusting unit; and a supporter foot coupled to the supporter and seated on the surface of the housing by adjusting an angle.

In an embodiment of the present invention, the supporter is formed in a bar shape, and may include a plurality of supporter holes having a shape of a hole penetrating the supporter.

In an embodiment of the present invention, the support body may include a first support coupling portion and a second support coupling portion formed on both sides of the support body in the longitudinal direction of the support body and having a 'c' shape. there is.

In an embodiment of the present invention, the first supporter is inserted between the first support coupling parts, and pin-couples one supporter hole among a plurality of supporter holes and the first cell carrier coupling part to length of the supporter. can be adjusted.

In an embodiment of the present invention, the second supporter is inserted between the second support coupling portions, and pin-couples one supporter hole among a plurality of supporter holes and the second support coupling portion to increase the length of the supporter. can be adjusted

The effect of the present invention according to the configuration as described above, there is an advantage that can be disassembled without damage to other parts of the shaft without a threaded portion or without a support point.

In addition, the effect of the present invention has the advantage that the shaft can be easily disassembled with little force by fixing the shaft with a clamp and a fixing pin.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a perspective view of a shaft separation device according to an embodiment of the present invention.
2 is a view before separation of the shaft according to an embodiment of the present invention.
3 is a view after separation of the shaft according to an embodiment of the present invention.
4 is an exploded view of a shaft separation device according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention can be implemented in many different forms, and therefore is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this is not only "directly connected", but also "indirectly connected" with another member in between. "Including cases where In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a shaft 110 separation device according to an embodiment of the present invention, FIG. 2 is a view before separation of the shaft 110 according to an embodiment of the present invention, and FIG. 3 is an embodiment of the present invention. 4 is an exploded view of the shaft 110 separation device according to an embodiment of the present invention.

As shown in FIGS. 2 and 3, the shaft 110 separation device according to an embodiment includes a lead screw 600 coupled to the shaft 110 and having a male thread on the outside, and the shaft 110 ); A shaft coupling part 200 for fixing; an adjustment unit that is combined with the lead screw 600 and adjusts the vertical position of the lead screw 600; and combined with the adjustment unit, the end of which is seated on the surface of the housing 100, It may be provided with a; support for supporting the control unit.

The butterfly valve may include a housing 100 forming a flow path, a disk that opens and closes the housing 100, and a shaft 110 that shaft-fixes the disk to the housing 100, and a shaft formed on the butterfly valve ( A shaft 110 separating device for separating the shaft 110 from the disk when the coupling part or the groove is not provided in the disk 110 will be described in detail in this description.

However, the device for separating the shaft 110 using the shaft 110 separating device of the present invention is not limited to the butterfly valve, and other similar devices may also be used in the description of the present invention. For convenience of understanding, a case in which the shaft 110 is separated from the butterfly valve will be described.

The coupling part of the shaft 110 may be provided with a lead screw 600, a clamp 210, a shaft pin 112, and a lead screw fixing unit 300, and the lead screw 600 has a circumference of a ramp (inclined plane). The steel shaft 110 surrounded by a small rotational force can be converted into a large load bearing force according to the inclination of the ramp.

The lead screw 600 may include a service wrench 601 on an upper surface of the lead screw 600, and thereby move the lead screw 600 up and down using the wrench to remove the shaft 110 from the housing 100. can be easily separated.

The clamp 210 is a device for fixing the shaft 110, and may be formed in a plurality of square plate shapes, and is connected to a portion of the first grab portion 213 from the lower edge to the upper edge of the first grab portion 213. A first clamp groove 215 may be provided.

A second clamp groove 216 extending from a lower edge to an upper edge of the second grab portion 214 may be provided on a partial surface of the second grab portion 214 that contacts the shaft 110 . As a result, the shaft 110 is inserted between the first clamp groove 215 formed in the first grab portion 213 and the second clamp groove 216 formed in the second grab portion 214, and the shaft 110 is clamped. (210).

The clamp 210 may have a plurality of perforated holes, and the plurality of clamps 210 may be fixed by a clamp pin 211 and a clamp nut 212, and the cross-sectional shape of the pin may be circular or polygonal. there is.

Depending on the thickness of the shaft 110, the distance between the first grab part 213 and the second grab part 214 can be adjusted using the clamp pin 211 and the clamp nut 212, and the If the size of the shaft 110 is too large or too small in proportion to the size, depending on the thickness and size of the shaft 110 and the size of the groove formed between the first grab portion 213 and the second grab portion 214 The clamp 210 may optionally be replaced.

An additional fixing device for fixing the shaft 110 may be provided on the upper surface of the shaft 110 coupled with the clamp 210, and the clamp is located on the upper part of the shaft 110 and is located in the shaft hole 111 formed in a perforated shape. (210) The coupling between the shaft 110 and the clamp 210 can be strengthened by coupling the shaft pin 112 in a vertical direction from the upper edge.

In another embodiment, a ring fixing clamp is provided on the upper surface of the shaft 110 coupled to the clamp 210, and the coupling degree of the bolt and nut of the ring fixing clamp is adjusted according to the size and thickness of the shaft 110 to form a shaft ( 110) and the clamp 210 can be firmly bonded.

The extension part 220 is coupled to the clamp 210 and may include a plurality of extension units coupled to the clamp 210 . One side extension unit coupled to one side of the clamp 210 and the other side extension unit coupled to the other side of the clamp 210 may be provided. One side extension unit may be coupled to the other side of the lead screw fixing unit 300, and the other side extension unit may be coupled to one side of the lead screw fixing unit 300.

The lead screw fixing unit 300 may be coupled to the lower end of the lead screw 600 and support the clamp 210 . The lead screw fixing unit 300 has a through hole that can be coupled with the lead screw 600 at the center of the upper surface of the lead screw fixing unit 300, and nut coupling is performed on the top and bottom of the lead screw 600 inserted into the through hole. The lead screw 600 may be fixed to the lead screw fixing unit 300 by fastening.

As shown in FIGS. 1 to 4, the control unit includes an adjusting nut 412, a thrust bearing 411, a support body 400, and a cover of the support body 400, and moves the lead screw 600 upward to The shaft 110 may be separated from the housing 100.

The support body 400 is provided in a square plate shape, is formed by extending from both sides of the support body 400 in the longitudinal direction of the support body 400, and has a 'c' shape first support coupling portion 401 ) and a second support coupling portion 402, which can be formed in an 'H' shape.

A central portion where the support body 400 and the lead screw 600 are coupled may have a through hole formed downward from an upper surface of the support body 400 , so that the lead screw 600 can be easily moved.

A protrusion 410 formed upward from the upper surface of the support body 400 may be provided, and a thrust bearing 411 may be inserted into a through hole formed in an inward direction from an upper edge of the protrusion 410, and the thrust bearing ( 411) and the lead screw 600 are coupled, the thrust bearing 411 can support the force applied to the lead screw 600 in the same direction.

The upper surface of the thrust bearing 411 can be combined with the adjusting nut 412, and when the lead screw 600 is moved upward by tightening the adjusting nut 412, the support seated on the surface of the housing 100 moves along the housing 100. Force is applied to move the housing 100 downward, and the shaft coupling portion 200 coupled with the shaft 110 moves the shaft 110 upward to separate the shaft 110 from the housing 100 formed in the valve. can

The adjusting nut 412 is screwed with the lead screw 600 having a male thread, and may have a female thread. The adjusting nut 412 is combined with the thrust bearing 411 and the thrust bearing 411 may guide the rotation of the adjusting nut 412 .

A support body cover 420 located above the protrusion 410 and coupled to an outer edge of the protrusion 410 may be provided, and the support body cover 420 is provided with a through hole through which the adjusting nut 412 can be inserted. And, the height of the support body cover 420 may be formed lower than the height of the adjustment nut 412. Due to this, the shaft 110 and the housing 100 can be easily separated by adjusting the adjusting nut 412, and foreign substances can be prevented from entering the inside of the adjusting unit from the outside.

The support unit may include a supporter 500 coupled to the support body 400 and supporting the control unit, and a supporter foot 510 coupled to the supporter 500 and seated on the surface of the housing 100 by adjusting an angle. there is.

The plurality of supporters 500 supporting the housing 100 may be combined with the support body 400, and preferably consist of a first supporter 501 and a second supporter 502 supporting the housing 100. It can be. The supporter 500 is formed in a bar shape, and may include a plurality of supporter holes 503, which are holes penetrating the supporter 500, and the plurality of supporter holes 503 are spaced apart at regular intervals. can be formed

The first supporter 501 is inserted between the first support coupling portions 401, and one supporter hole 503 of the plurality of supporter holes 503 and the first support coupling portion 401 are pin-coupled to form a supporter. The length of (500) can be adjusted. When the diameter of the housing 100 is longer than the set length of the first supporter 501, the supporter hole 503 adjacent to the upper edge of the first supporter 501 and the first joint part are pin-coupled to form the first supporter 501. The length can be increased, and when the diameter of the housing 100 is smaller than the set length of the first supporter 501, the support body 400 is combined with the perforated hole adjacent to the lower edge of the first supporter 501 to form the first supporter ( 501) can be shortened.

The second supporter 502 is inserted between the second support coupling portions 402, and is formed by pin coupling one supporter hole 503 of the plurality of supporter holes 503 and the second support coupling portion 402. 2 The length of the supporter 502 can be adjusted. When the diameter of the housing 100 is longer than the set length of the second supporter 502, the supporter hole 503 adjacent to the upper edge of the second supporter 502 and the second soft part can be pin-coupled to adjust the length of the support. , When the diameter of the housing 100 is smaller than the set length of the second supporter 502, the length of the second supporter 502 is determined by combining the support body 400 with the perforated hole adjacent to the lower edge of the second supporter 502. can be adjusted

In addition, when the total length of the supporters 500 is smaller than the diameter of the housing 100, the plurality of supporters 500 may be horizontally coupled. For this reason, the supporter 500 can easily support the housing 100 by adjusting the length of the supporter 500 according to the length of the housing 100 .

The perforated hole adjacent to the lower edge of the supporter 500 may be coupled with the supporter foot 510, and the supporter foot 510 is coupled with the lower end in close contact with the housing 100 and one side of the lower end and one side extending vertically upward. The vertical portion and the lower portion may be combined with the other side and formed in a 'c' shape with an open top by having the other vertical portion extending vertically upward.

One side vertical part and the other vertical part formed in the supporter foot 510 may have through holes formed parallel to the lower end, and a supporter hole formed in the supporter 500 by inserting a support between the one side vertical part and the other vertical part ( 503) and the through hole formed in the supporter foot 510 may be overlapped and pinned.

The supporter foot 510 combined with the supporter 500 is formed in a 'c' shape and can adjust the angle to about 180º based on the pin, so that even if the inclination formed in the shape of the housing 100 is different, the supporter foot 510 By adjusting, it can be easily seated on the surface of the housing 100 to support the support.

A magnet may be provided at the bottom of the lower end of the supporter foot 510 to be easily seated in the housing 100, and as a result, the supporter foot 510 can be easily seated in the housing 100 formed of metal.

In another embodiment, a non-slip pad for easy seating on the housing 100 may be provided at the bottom of the lower end of the supporter foot 510, so that the supporter foot 510 can be easily seated on the housing 100. there is.

This shaft 110 separation device can disassemble the shaft 110 without a thread or without a support point without damaging other parts, and by fixing the shaft 110 with a clamp 210 and a shaft pin 112 The shaft 110 can be easily disassembled with little force.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

100: housing 110: shaft
111: shaft hole 112: shaft pin
200: shaft coupling part 210: clamp
211: clamp pin 212: clamp nut
213: first grab part 214: second grab part
215: first clamp home 216: second clamp home
220: extension part 300: lead screw fixing unit
400: support body 401: first support coupling part
402: second support coupling part 410: protrusion
411: thrust bearing 412: adjusting nut
420: support body cover 500: supporter
501: first supporter 502: second supporter
503: supporter hall 510: supporter foot
600: lead screw 601: service wrench

Claims (10)

A shaft separation device for separating a shaft coupled to a housing,
a shaft coupling portion coupled to the shaft, having a lead screw having a male thread on the outside, and fixing the shaft;
an adjusting unit coupled to the lead screw and adjusting a vertical position of the lead screw; and
A support unit coupled to the control unit and having a distal end seated on the housing surface to support the control unit;
Shaft separation device, characterized in that for separating the shaft from the housing by moving the lead screw upward.
The method of claim 1,
The controller,
an adjusting nut screwed together with the lead screw having a male thread and having a female thread;
a thrust bearing coupled to the adjusting nut and guiding rotation of the adjusting nut;
a support body coupled to the thrust bearing and supporting the thrust bearing; and
A shaft separation device comprising a; support body cover coupled to the support body and preventing foreign substances from entering the inside of the control unit.
The method of claim 2,
When the lead screw is moved upward by tightening the adjusting nut, the support portion seated in the housing supports the support body, and the shaft coupling portion coupled to the shaft moves the shaft upward. .
The method of claim 1,
The shaft coupling part,
a clamp coupled to the shaft and fixing the shaft;
a shaft pin coupled to the shaft and inserted into a shaft hole having a shape of a hole penetrating the shaft to increase a binding force between the shaft and the clamp; and
and a lead screw fixing unit coupled to a lower end of the lead screw and supporting the clamp.
The method of claim 4,
The clamp includes a first grab portion and a second grab portion for fixing the shaft, and the first grab portion is a first clamp groove formed upward from a lower edge of an inner surface of the first grab portion and connected to an upper edge. and wherein the second grab portion includes a second clamp groove, which is a groove formed upward from a lower edge of an inner surface of the second grab portion and connected to an upper edge.
The method of claim 2,
the support,
a supporter coupled to the support body and having a first supporter and a second supporter supporting the adjusting unit; and
The shaft separation device comprising a; supporter foot coupled to the supporter and seated on the surface of the housing by adjusting the angle.
The method of claim 6,
The supporter is formed in a bar shape and has a plurality of supporter holes having a shape of a hole penetrating the supporter.
The method of claim 2,
The support body is formed on both sides of the support body in the longitudinal direction of the support body and includes a first support coupling portion and a second support coupling portion having a 'c' shape.
The method of claim 8,
The first supporter is inserted between the first support coupling parts and adjusts the length of the supporter by pin coupling one of the plurality of supporter holes and the first support coupling part with a pin. .
The method of claim 8,
The second supporter is inserted between the second support coupling parts and adjusts the length of the supporter by pin coupling one of the plurality of supporter holes and the second support coupling part with a pin. .

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