KR20170091885A - Force transmitting device for different center - Google Patents

Force transmitting device for different center Download PDF

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Publication number
KR20170091885A
KR20170091885A KR1020160012708A KR20160012708A KR20170091885A KR 20170091885 A KR20170091885 A KR 20170091885A KR 1020160012708 A KR1020160012708 A KR 1020160012708A KR 20160012708 A KR20160012708 A KR 20160012708A KR 20170091885 A KR20170091885 A KR 20170091885A
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KR
South Korea
Prior art keywords
driving shaft
horizontal direction
drive shaft
moving part
direction moving
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Application number
KR1020160012708A
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Korean (ko)
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KR101847129B1 (en
Inventor
김영신
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김영신
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Priority to KR1020160012708A priority Critical patent/KR101847129B1/en
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Application granted granted Critical
Publication of KR101847129B1 publication Critical patent/KR101847129B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F16H39/04—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit
    • F16H39/06—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type
    • F16H39/34—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type in which a rotor on one shaft co-operates with a rotor on another shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F16H57/0037—Special features of coaxial shafts, e.g. relative support thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The present invention relates to an apparatus for transmitting a drive shaft and a rotation shaft requiring a rotational force to repeatedly perform connection and short-circuiting. When the drive shaft and the rotation shaft are connected, It is a biaxial drive shaft power transmission device that can transmit the rotational force even if it is not aligned, and protects the device by moving the drive shaft downward when it is completely misaligned.

Description

[0001] The present invention relates to a force transmitting device for different centers,

The biaxial drive shaft power transmission apparatus of the present invention is an apparatus for transmitting to a device having another rotation shaft using a driving force generated by rotation of a drive shaft, wherein a drive shaft and a rotation shaft requiring a rotational force can repeatedly perform connection and short- The present invention relates to a power transmission device capable of transmitting a rotational force even when it is not aligned in a straight line.

There are various devices that use the rotational force through the rotation of the drive shaft for driving. In general, devices using such a drive shaft rotation are generally constructed by directly coupling the drive shafts on the same vertical line.

However, such a structure has a problem in that it is limited in its use because it is necessary to prepare the joints in advance in order to manufacture the other structures coupled with the drive shaft around the respective drive shafts.

Therefore, there is a high interest in a device for transmitting the driving force to one of the rotating shafts around one driving shaft.

Such a driving force transmitting apparatus is disclosed in Korean Patent No. 10-0447352. The conventional technique includes a pump for discharging the grass to the barrel, a mixer shaft for rotating the impeller, and a motor for driving the mixer shaft and the pump shaft, wherein the pump shaft, the mixer shaft, and the motor shaft are located on the same plane Wherein the mixer shaft and the pump shaft are respectively mounted through a clutch bearing that transmits a driving force only when the pump gear and the mixer are rotated in one direction, the motor gear mounted on the motor shaft and the mixer are engaged with each other, A gear driven type full mixing and pumping device (not shown) mounted on a lower portion of the pull bar to rotate the impeller, which is rotatably installed through the mixer shaft, in the pull bar, .

In this prior art invention, gears and gears are interlocked and it is not possible to replace the gears. When the gears are engaged with each other to cause movement due to a difference between the respective components, clearances between gears and gears are generated, I had a problem of being stopped.

Accordingly, the present invention is applicable to an apparatus requiring engagement and disengagement with a driven drive shaft. Especially, it is possible to cope with a clearance and an impact which may be generated when engagement and disengagement are repeated, A drive shaft power transmission device was required.

Korean Patent No. 10-0447352 (Aug. 26, 2004)

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a device for transferring a drive shaft to a device having another rotary shaft using a driving force generated by rotation of the drive shaft, And when the drive shaft and the rotation shaft are connected to each other, it is possible to transmit the rotation force even when the drive shaft and the rotation shaft are not aligned, and when the drive shaft and the rotation shaft are completely aligned, the drive shaft is moved downward to protect the device. .

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description .

According to an aspect of the present invention, there is provided a biaxial drive shaft power transmitting apparatus comprising:

The driving shaft 110 is coupled to a lower end of the driving shaft 110 and coupled to the driving shaft 120 and the driving shaft 110 to move the driving shaft 110 up and down by a predetermined distance. A driving shaft connecting portion 140 coupled to the upper side of the driving shaft 110 and a driving shaft connecting portion 140 connected to the upper side of the driving shaft connecting portion 140. The driving force transmitting portion 130 rotates the driving shaft 110, The first horizontal direction moving part 150 is slid in the horizontal direction and the first horizontal direction moving part 150 is positioned on the upper side of the first horizontal direction moving part 150. In the plane perpendicular to the driving shaft 110, And a second horizontal movement part (160) slidable in a direction perpendicular to the movement direction of the first horizontal movement part (150)

When the drive shaft 110 moves up and down, the drive shaft 110, the drive shaft connection part 140, and the first horizontal movement part 150 move integrally to move the first horizontal Direction moving part 150 and the second horizontal direction moving part 160 can be connected or short-circuited so that they can slide.

At this time, a first groove part 141 dividing the upper surface of the driving shaft connecting part 140 into two regions is formed on the upper surface of the driving shaft connecting part 140 in one direction perpendicular to the driving shaft 110, A first recess 151 having a shape corresponding to the first groove 141 of the driving shaft connecting part 140 may be formed on the lower surface of the first part 150.

A second groove part 152 is formed on the upper surface of the first horizontal direction moving part 150 to divide the upper surface of the first horizontal direction moving part 150 into two areas in one direction perpendicular to the drive shaft 110 And a second concave portion 161 having a shape corresponding to the second concave portion 152 of the first horizontal direction moving portion 150 may be formed on a lower surface of the second horizontal direction moving portion 160.

The driving shaft connecting part 140 is formed in a truncated conical shape having a smaller sectional area as it goes down. When the driving shaft connecting part 140 moves downward, a truncated conical shape in which the truncated conical driving shaft connecting part 140 is seated The first guide portion 171 may be formed with a seating groove of the first guide portion 171.

At this time, the first horizontal direction moving part 150 and the second horizontal direction moving part 160 are formed into a cylindrical shape having the same diameter as the upper surface of the driving shaft connecting part 140,

A second guide part 172 may be further formed to be spaced apart from the outer circumferential surface of the second horizontal direction moving part 160 by a predetermined distance.

In addition, the first recess 151 of the first horizontal direction moving part 150 has a protrusion 151a having a lower end protruded to both sides,

The seating portion 141a is formed below the first groove 141 of the driving shaft connection portion 140 to correspond to the shape of the protrusion 151a so that the protrusion 151a is inserted. A moving groove portion 141b having a width equal to or larger than the width of the seating portion is formed on an upper portion of the mounting portion,

A space formed between the moving groove 141b and the side surface of the first recess 151 of the first horizontal direction moving part 150 is provided with a lubrication pad 142 detachably attached to the moving groove 141b 143, and the lubricating pad 142 may be formed of brass impregnated with lubricating oil.

The width of the second groove part 152 of the first horizontal direction moving part 150 is formed to be larger than the width of the second recessed part 161 of the second horizontal direction moving part 160, The space formed between the groove 152 and the side surface of the second recess 161 may include a slide bush 153 detachably coupled to the second groove 152. The slide bush 153 may be formed, The upper end of the metal plate may be tapered so as to become thicker from the upper side to the lower side, and may be formed of a heat-treated metal.

The upper surface of the first horizontal moving part 150 and the lower surface of the second horizontal moving part 160 when the first horizontal moving part 150 and the driving shaft connecting part 140 move upward, The second groove part 152 of the first horizontal direction moving part 150 and the side surface of the second recessed part 161 of the second horizontal direction moving part 160 can be brought into contact with each other without contacting each other.

Further, the drive shaft moving part 120 further includes a pressure measuring sensor for measuring a pressure applied to the driving shaft 110 from above, wherein the pressure measured by the pressure measuring sensor exceeds a predetermined value The drive shaft 110 can be moved downward.

At this time, the driving force transmitting portion 130 may be splined or serrated between the driving shaft 110 and the driving force transmitting portion 130.

The biaxial drive shaft power transmitting apparatus according to another embodiment of the present invention includes a drive shaft 210 and a drive shaft 210 coupled to a lower end of the drive shaft 210 and adapted to move the drive shaft 210 up and down by a predetermined distance, A driving shaft connecting part 240 coupled to the upper side of the driving shaft 210 and a lower driving shaft connecting part 240 coupled to the driving shaft 210, And a horizontal moving part 250 connected to the driving shaft 210 and slidable in a horizontal direction in a plane perpendicular to the driving shaft 210,

The driving shaft 210 and the driving shaft connecting part 240 integrally move when the driving shaft 210 moves up and down so that the driving shaft connecting part 240 and the horizontal moving part 250 may be connected or short-circuited so that they can slide.

In this case, a groove portion 241 is formed on the upper surface of the drive shaft connection portion 240 to divide the upper surface of the drive shaft connection portion 240 into two regions in one direction perpendicular to the drive shaft 210, A concave portion 251 having a shape corresponding to the groove portion 241 of the drive shaft connecting portion 240 may be formed on the lower surface.

The width of the groove portion 241 of the driving shaft connection portion 240 is larger than the width of the recess portion 251 of the horizontal movement portion 250. The width of the groove portion 241 And a slide bush 242 detachably coupled to the groove portion 241 may be provided in the space formed between the first and second openings 241 and 242.

The upper end of the slide bush 242 may be formed to be tapered so as to become thicker from the upper side to the lower side, and may be formed of a heat-treated metal.

The depth of the groove portion 241 of the driving shaft connection portion 240 may be greater than the height of the concave portion 251 of the horizontal movement portion 250.

In addition, the driving shaft moving part 220 further includes a pressure measuring sensor for measuring a pressure applied to the driving shaft 210 from above, and when the pressure value measured by the pressure measuring sensor exceeds a predetermined value The drive shaft 210 can be moved downward.

In addition, the driving force transmitting portion 230 may be coupled to the driving shaft and the driving force transmitting portion by spline or serration.

According to the biaxial drive shaft power transmitting apparatus according to the embodiment of the present invention, the drive shaft can supply the rotational force even when the second horizontal direction connected to the device requiring rotational force is not aligned with the moving part and is spaced by a predetermined distance, The horizontal moving part, the first horizontal moving part and the second horizontal moving part can correspond to the distances separated by the sliding movement, respectively, so that it is possible to perform a more efficient movement. Thus, The working efficiency and convenience can be improved as compared with the power transmission device that can be used.

Further, when the driving shaft moves up and down through the moving part of the drive shaft to connect the first horizontal direction moving part and the second horizontal direction moving part, the first horizontal moving part and the second horizontal direction do not directly contact each other, The first horizontal direction moving portion and the second horizontal direction moving portion are prevented from being damaged by the second horizontal direction moving portion contacting the slide bush of the first horizontal direction moving portion, The first recessed part of the movable part is formed in the shape of "ㅗ" and the protruding part 151a of the first recessed part is fixed so as not to come off through the lubricating pad detachably coupled to the second horizontal direction moving part, The lubricating oil is impregnated with the lubricant, so that the lubricant can move more smoothly and the durability can be improved.

1 is a perspective view of a biaxial drive shaft power transmission apparatus according to the present invention;
Fig. 2 is an exploded perspective view of the biaxial drive shaft power transmitting apparatus of the present invention
FIG. 3 is a cross-sectional view illustrating a driving shaft connecting portion and a first horizontal direction moving part
FIG. 4 is a cross-sectional view of the driving shaft connecting portion and the first horizontal direction moving part
5 is a cross-sectional view taken along line AA 'of FIG. 4
FIG. 6 is a sectional view showing the first horizontal movement and the second horizontal movement of the present invention,
FIG. 7 is a cross-sectional view showing the first horizontal movement and the second horizontal movement of the present invention,
8 is a cross-sectional view taken along line BB 'of FIG. 7
9 is a cross-sectional view of the first guide part and the second guide part separated embodiment
FIG. 10 is a cross-sectional view showing a first embodiment of the present invention,
11 is a perspective view of a biaxial drive shaft power transmission device according to another embodiment of the present invention.
12 is an exploded perspective view of another embodiment of the biaxial drive shaft power transmitting device of the present invention

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concept of the term appropriately in order to describe its own invention in the best way. The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention. Further, it is to be understood that, unless otherwise defined, technical terms and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Descriptions of known functions and configurations that may be unnecessarily blurred are omitted. The following drawings are provided by way of example so that those skilled in the art can fully understand the spirit of the present invention. Therefore, the present invention is not limited to the following drawings, but may be embodied in other forms. In addition, like reference numerals designate like elements throughout the specification. It is to be noted that the same elements among the drawings are denoted by the same reference numerals whenever possible.

FIG. 2 is a perspective view of a biaxial drive shaft power transmission apparatus according to the present invention. FIG. 3 is a perspective view of a drive shaft connecting portion and a first horizontal direction moving and separating embodiment of the present invention. FIG. 5 is a cross-sectional view taken along line AA 'of FIG. 4 of the present invention. FIG. 6 is a cross-sectional view taken along line AA' of FIG. 8 is a cross-sectional view taken along line BB 'of FIG. 7 of the present invention, and FIG. 9 is a cross-sectional view of the first guide portion and the second guide portion of the present invention. 11 is a perspective view of another embodiment of the biaxial drive shaft power transmitting apparatus of the present invention, and Fig. 12 is a perspective view of the biaxial drive shaft of the present invention. Fig. Power transmission device Another embodiment is an exploded perspective view.

1 and 2, the biaxial drive shaft power transmission apparatus of the present invention includes a drive shaft 110, a drive shaft 110 coupled to a lower end of the drive shaft 110, A driving force transmitting portion 130 coupled to the driving shaft 110 for rotating the driving shaft 110 and a driving shaft connecting portion 140 coupled to an upper side of the driving shaft 110, A first horizontal moving part 150 connected to the upper side of the driving shaft connecting part 140 and slidable in a horizontal direction in a plane perpendicular to the driving shaft 110 and a second horizontal moving part 150 sliding on the upper side of the first horizontal moving part 150 And a second horizontal moving part 160 which is slid in a direction perpendicular to the moving direction of the first horizontal moving part 150 in a plane perpendicular to the driving shaft 110,

When the drive shaft 110 moves up and down, the drive shaft 110, the drive shaft connection part 140, and the first horizontal movement part 150 move integrally to move the first horizontal Direction moving part 150 and the second horizontal direction moving part 160 can be connected or short-circuited so that they can slide.

That is, the biaxial drive shaft power transmission apparatus of the present invention includes a drive shaft 110 for providing a drive force through rotation, a drive shaft 110 coupled to a lower end of the drive shaft 110, A driving shaft connecting part 140 coupled to the driving shaft 110 so as to be slidable in a horizontal direction in a plane perpendicular to the driving shaft 110 of the driving shaft 110 and rotated together with the driving shaft 110, A first horizontal moving part 150 connected to the first horizontal moving part 140 and rotating together with the rotation of the driving shaft 110, a second horizontal moving part 150 connected to the first horizontal direction part 150 so as to be short- And a second horizontal moving part 160 positioned on the upper side of the driving shaft 110 and sliding in a direction perpendicular to the moving direction of the first horizontal moving part 150 in a plane perpendicular to the driving shaft 110 .

When the driving shaft 110 moves up and down for coupling the first horizontal direction moving part 150 and the second horizontal direction moving part 160, the driving shaft 110, the driving shaft connecting part 140, The first horizontal direction moving part 150 moves integrally so that the first horizontal direction moving part 150 and the second horizontal direction moving part 160 are slidable according to the movement of the driving shaft 110 May be connected or short-circuited.

3 to 5, the coupling between the driving shaft coupling part 140 and the first horizontal coupling part 150 will be described. On the upper surface of the driving shaft coupling part 140, A first groove portion 141 for dividing the upper surface of the driving shaft connecting portion 140 into two regions in a direction perpendicular to the driving shaft connecting portion 140 is formed on a lower surface of the first horizontal moving portion 150, A first concave portion 151 having a shape corresponding to the first groove portion 141 is formed and the driving shaft connecting portion 140 and the first horizontal direction moving portion 150 are coupled. The first horizontal movement unit 150 is coupled to the drive shaft connection unit 140 so as to be slidable.

3 and 5, the first recessed portion 151 of the first horizontal movement portion 150 is provided with a protrusion 151a having a lower end protruded to both sides, And a seating portion 141a formed to correspond to the shape of the projection 151a such that the projection 151a is inserted is provided below the first groove 141 of the driving shaft connection portion 140 A moving groove 141b having a width equal to or greater than the width of the seating part is formed on the seating part 141a and the moving recess 141b and the first recessed part of the first horizontal moving part 150 151 may be provided with a lubricating pad 142 detachably coupled to the moving groove 141b.

That is, the first recess 151 of the first horizontal direction shifting part 150 has a protrusion 151a having a lower end protruded to both sides, And the lubricating pad 142 is detachably coupled to the moving groove 141b of the driving shaft connecting part 140 so that the first horizontal moving part 150 The concave portion 151 is slidable along the seating portion 141a but is fixed so as not to fall off in the vertical direction and can be moved and rotated integrally with the driving shaft connecting portion 140. [

At this time, the lubricating pad 142 may be formed of brass impregnated with lubricating oil. The first groove portion 141 of the drive shaft connecting portion 140 and the first recessed portion 151 of the first horizontal direction moving portion 150 can be prevented from being damaged by the sliding friction, To prevent breakage due to friction generated in contact of the respective surfaces through the lubricating oil, and can be smoothly slid. Accordingly, the durability of the first groove portion 141 of the drive shaft connection portion 140 and the first recessed portion 151 of the first horizontal movement portion 150 can be improved, and more efficient movement can be achieved through smooth sliding Do.

The first horizontal portion 141 of the driving shaft connection portion 140 and the first recessed portion 151 of the first horizontal direction moving portion 150 slide through the first horizontal direction moving portion 150, It is possible to transmit the rotational force to the first horizontal direction moving part 150 without being in line with the central axis of the first horizontal direction moving part 110.

That is, even if the first horizontal direction moving part 150 is spaced from the central axis of the driving shaft 110 by a predetermined distance, the coupling with the driving shaft connecting part 140 is maintained and the rotational force transmitted through the driving shaft 110 Can be delivered as is. Therefore, in order to transmit the rotational force, the degree of freedom, which is limited to be fixed or fixed to the central axes, can be further improved. At this time, the central axis of the driving shaft connecting part 140 and the central axis of the first horizontal moving part 150 may be spaced apart by a maximum of 15 mm.

6 to 8, on the upper surface of the first horizontal direction moving part 150, the upper surface of the first horizontal direction moving part 150 is disposed in one direction perpendicular to the driving shaft 110 And a second recess portion 160 having a shape corresponding to the second groove portion 152 of the first horizontal direction moving portion 150 is formed on a lower surface of the second horizontal direction moving portion 160, (Not shown).

The first horizontal direction moving part 150 and the second horizontal direction moving part 160 are coupled to each other so that the second groove part 152 and the second recess part 161 are engaged with each other, And can be engaged with a short circuit through an operation of sliding in a direction perpendicular to the moving direction of the first horizontal direction moving part 150. [

That is, the first horizontal direction moving part 150 and the second horizontal direction moving part 160 are formed by sliding between the second groove part 152 and the second recess part 161, The rotational force can be transmitted even if the center axis of the second horizontal direction moving part 150 and the center axis of the second horizontal direction moving part 160 are not aligned with each other. Even if the second horizontal direction moving part 160 is spaced from the central axis of the first horizontal direction moving part 150 by sliding, the first horizontal direction moving part 150 is engaged with the driving part 150, The rotational force transmitted through the rotating shaft 110 can be transmitted as it is. Therefore, in order to transmit the rotational force, the degree of freedom, which is limited to be fixed or fixed to the central axes, can be further improved. At this time, it is preferable that the center axis of the first horizontal direction moving part 150 and the center axis of the second horizontal direction moving part 160 are spaced apart by a maximum of 15 mm.

9 to 10, the driving shaft connecting part 140 is formed in a truncated conical shape having a smaller sectional area as it goes down. When the driving shaft connecting part 140 moves downward, A first guide portion 171 having a truncated conical receiving groove on which the connecting portion 140 is mounted may be additionally formed. So that the position of the drive shaft connection part 140 is guided and can be more safely supported and stored when the drive shaft connection part 140 is not rotated.

9 to 10, the first horizontal moving part 150 and the second horizontal moving part 160 have a cylindrical shape having the same diameter as the upper surface of the driving shaft connecting part 140 Lt; / RTI &

A second guide part 172 may be further formed to be spaced apart from the outer circumferential surface of the second horizontal direction moving part 160 by a predetermined distance. When the first horizontal direction moving part 150 and the second horizontal direction moving part 160 are connected by upward movement of the drive shaft 110, the second horizontal direction moving part 160 is excessively slid Since the second guide part 172 can prevent the first horizontal direction movement from being separated from the first horizontal direction movement part 150, the second horizontal direction movement part 160 can be removed, .

The sliding movement between the driving shaft connecting part 140 and the first horizontal direction moving part 150 and the sliding movement between the first horizontal direction moving part 150 and the second horizontal direction moving part 160 may be performed in the same manner, 2 horizontal moving part 160 may be spaced from the central axis of the driving shaft 110 by 30 mm.

That is, when the driving shaft 110 is moved up and down so that the first horizontal direction moving part 150 and the second horizontal direction moving part 160 are connected and short-circuited, According to the present invention, even if the second horizontal direction moving part 160 and the driving shaft 110 are spaced apart from each other by a predetermined distance, the rotating force can be normally provided, thereby improving the efficiency of the operation.

6 and 8, a width of the second groove portion 152 of the first horizontal direction moving portion 150 may be greater than a width of the second recessed portion 161 of the second horizontal direction moving portion 160, And a slide bush 153 detachably coupled to the second groove 152 is formed in a space formed between the second groove 152 and the side surface of the second recess 161 And the upper end of the slide bush 153 may be tapered so as to become thicker from the upper side to the lower side.

When the second groove part 152 of the first horizontal direction moving part 150 and the second recess part 161 of the second horizontal direction moving part 160 are connected to each other, The width of the second groove part 152 of the moving part 150 is formed to be larger than the width of the second recessed part 161 of the second horizontal direction moving part 160 corresponding thereto and the first horizontal direction The slide bush 153 detachably coupled to the second groove 152 of the first portion 150 is tapered at its upper end so that the insertion of the second recess 161 of the second portion 160 The second horizontal portion 152 of the first horizontal direction moving part 150 and the second recessed portion 161 of the second horizontal direction moving part 160 can be inserted directly, It is possible to prevent contact and to prevent damage which may be caused by direct contact, so that durability can be improved. At this time, the slide bush 153 may be formed of a heat-treated metal to minimize wear due to impact.

8, when the first horizontal direction moving part 150 and the driving shaft connecting part 140 move upward, the upper surface of the first horizontal moving part 150 and the upper surface of the first horizontal moving part 150, The lower surface of the second horizontal moving part 160 does not abut the lower surface of the second recess 161 of the first horizontal moving part 150 and the second recessed part 152 of the first horizontal moving part 150, As shown in FIG. Therefore, when the first horizontal direction moving part 150 and the second horizontal direction moving part 160 are in direct contact with each other, The first horizontal direction moving part 150 and the second horizontal direction moving part 160 may be damaged by an impact, but in the case of the present invention, since the first horizontal direction moving part 150 and the second horizontal direction moving part 160 are not in direct contact with each other, .

Although not shown in the drawing, the driving shaft moving part 120 further includes a pressure measuring sensor for measuring a pressure applied to the driving shaft 110 from above, wherein the pressure measured by the pressure measuring sensor is a predetermined The drive shaft 110 can be moved downward.

That is, when the driving shaft 110 is moved upward to connect the first horizontal direction moving part 150 and the second horizontal direction moving part 160, the first horizontal direction moving part 150 and the second horizontal direction moving part 160 When the connection of the second horizontal direction moving part 160 is shifted, more pressure is applied than when the second horizontal direction moving part 160 is properly connected. This pressure is measured by a pressure measuring sensor and is higher than the pre- When the pressure is confirmed, the driving shaft 110 is moved downward to prevent the first horizontal moving part 150 and the second horizontal moving part 160 from being damaged.

In addition, the driving force transmitting portion 130 may be splined or serrated between the driving shaft 110 and the driving force transmitting portion 130.

The driving force transmitting portion 130 may be connected to an external driving device (not shown) to transmit rotational force to the driving shaft 110.

11 to 12, the biaxial drive shaft power transmitting apparatus according to another embodiment of the present invention includes a drive shaft 210, a lower end coupled to the lower end of the drive shaft 210, A driving force transmitting part 230 coupled to the driving shaft 210 for rotating the driving shaft 210 and a driving shaft connecting part 230 coupled to the upper side of the driving shaft 210, 240, a horizontal movement part 250 connected to the upper side of the drive shaft connection part 240 and slid in a horizontal direction in a plane perpendicular to the drive shaft 210,

The driving shaft 210 and the driving shaft connecting part 240 integrally move when the driving shaft 210 moves up and down so that the driving shaft connecting part 240 and the horizontal moving part 250 may be connected or short-circuited so that they can slide.

That is, the biaxial drive shaft power transmission apparatus of another embodiment of the present invention includes a drive shaft 210 for providing a drive force through rotation, a drive shaft 210 coupled to a lower end of the drive shaft 210, A driving shaft connecting part 240 coupled to the driving shaft 210 so as to be slidable in a horizontal direction in a plane perpendicular to the driving shaft 210 of the driving shaft 210 and rotating together with the driving shaft 210, And a horizontal movement unit 250 which is connected to the drive shaft connection unit 240 so as to be short-circuited and rotates together with the rotation of the drive shaft 210.

The driving shaft 210 and the driving shaft connecting part 240 integrally move when the driving shaft 210 moves up and down so that the driving shaft connecting part 240 and the driving shaft connecting part 240 move in the horizontal direction The eccentric part 250 can be connected or short-circuited to allow slide movement.

12, the coupling between the driving shaft coupling part 240 and the horizontal coupling part 250 will be described. On the upper surface of the driving shaft coupling part 240, the driving shaft 210, A groove portion 241 for dividing the upper surface of the drive shaft connecting portion 240 into two regions in a vertical direction and having a shape corresponding to the groove portion 241 of the drive shaft connecting portion 240, The driving shaft connecting part 140 and the first horizontal direction moving part 150 are coupled to each other. The first horizontal movement unit 150 is coupled to the drive shaft connection unit 140 so as to be slidable.

Even if the central axis of the horizontal direction moving part 250 and the driving shaft 210 are spaced from each other by a predetermined distance through the sliding movement of the driving shaft connecting part 240 and the horizontal direction moving part 250, And can transmit the horizontal direction movement to the moving part 250. Therefore, when the driving shaft 210 is moved up and down so that the driving shaft connecting part 240 and the horizontal direction moving part 250 are connected and short-circuited, it is necessary to accurately align the driving shaft connecting part 240 and the horizontal driving part 250. However, Even if the direction is separated from the driving part 250 and the driving shaft 210 by a certain distance, the driving force can be normally provided and the efficiency of the operation can be improved. At this time, the center axis of the driving shaft 210 and the center axis of the first horizontal direction moving portion may be spaced apart by a maximum of 15 mm.

The width of the groove portion 241 of the driving shaft connecting portion 240 may be greater than the width of the concave portion 251 of the horizontal moving portion 250. The width of the groove portion 241 and the concave portion 251 may be greater than the width of the concave portion 251, And a slide bush 242 detachably coupled to the groove portion 241 may be provided in a space formed between the side surfaces of the slide portion 242. Therefore, when the concave portion 251 of the horizontal direction movement portion 250 is inserted into the groove portion 241 of the drive shaft connection portion 240, the contact with the slide bush 242 does not come into direct contact with the drive shaft connection portion 240, So that damage to the drive shaft connecting portion 240, which may occur during insertion of the concave portion 251 of the horizontal moving portion 250, can be prevented in advance.

In addition, the upper end of the slide bush 242 may be formed to be tapered so as to become thicker from the upper side to the lower side, and may be formed of a heat-treated metal.

The concave portion 251 of the horizontal movement portion 250 can be more easily guided and inserted into the groove portion 241 of the drive shaft connection portion 240 to improve the operation efficiency and the slide bush 242 It can be formed of a heat-treated metal that can withstand the impact, thereby improving durability.

The upper surface of the driving shaft connecting part 240 and the lower surface of the horizontal moving part 250 do not abut each other when the driving shaft connecting part 240 moves upward, 241 and the side surface of the concave portion 251 of the horizontal direction moving part 250 can be contacted. The bottom surface of the groove portion 241 of the driving shaft connecting portion 240 does not directly contact the recessed portion 251 of the moving portion 250 in the horizontal direction. Therefore, when the driving shaft connecting part 240 and the horizontal moving part 250 are in direct contact with each other, the driving shaft connecting part 240 and the horizontal (horizontal) The direction movement part 250 may be damaged due to an impact, but in the case of the present invention, since no direct contact is made, the impact can not be transmitted, and breakage that could be caused by the impact can be prevented in advance.

In addition, although not shown in the drawing, the driving shaft moving part 220 further includes a pressure measuring sensor for measuring a pressure applied to the driving shaft 210 from above, When the predetermined value is exceeded, the driving shaft 210 can be moved downward.

That is, when the drive shaft 210 is moved upward to connect the drive shaft connection part 240 and the horizontal movement part 250, the connection between the drive shaft connection part 240 and the horizontal movement part 250 When the pressure is measured by the pressure measuring sensor and a pressure higher than the pressure when the pressure is properly inputted is confirmed, the driving shaft 210 is rotated The driving shaft connecting part 240 and the horizontal moving part 250 can be prevented from being damaged.

In addition, the driving force transmitting portion 230 may be coupled to the driving shaft and the driving force transmitting portion by spline or serration.

The driving force transmitting portion 230 may be connected to an external driving device (not shown) to transmit rotational force to the driving shaft 210.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

110: drive shaft
120:
130:
140:
141: first groove portion 141a:
141b: moving groove portion 142: lubrication pad
150: first horizontal direction moving part
151: first main portion 151a:
152: second groove
153: Slide Bush
160: second horizontal direction moving part
161: Second lumbar part
171: first guide part 172: second guide part
210: drive shaft
220:
230:
240: drive shaft connection portion
241: groove portion 242: slide bush
250: Horizontal direction moving part
251: lumbar

Claims (21)

A drive shaft 110;
A driving shaft moving part 120 coupled to a lower end of the driving shaft 110 and moving the driving shaft 110 up and down by a predetermined distance;
A driving force transmitting unit 130 coupled to the driving shaft 110 and rotating the driving shaft 110;
A driving shaft connecting portion 140 having a lower portion coupled to the upper side of the driving shaft 110;
A first horizontal moving part 150 connected to the upper side of the driving shaft connecting part 140 and slidable in a horizontal direction in a plane perpendicular to the driving shaft 110;
A second horizontal direction which is located on the upper side of the first horizontal direction moving part 150 and slides in a direction perpendicular to the moving direction of the first horizontal direction moving part 150 in a plane perpendicular to the driving shaft 110 Includes an east portion (160)
When the drive shaft 110 moves up and down, the drive shaft 110, the drive shaft connection part 140, and the first horizontal movement part 150 move integrally to move the first horizontal Wherein the first and second horizontal direction moving parts (150) and (160) are slidably connected or short-circuited.
The method according to claim 1,
A first groove portion 141 is formed on the upper surface of the drive shaft connection portion 140 to divide the upper surface of the drive shaft connection portion 140 into two regions in one direction perpendicular to the drive shaft 110, 150) is formed with a first recessed portion (151) having a shape corresponding to the first groove portion (141) of the drive shaft connection portion (140).
The method according to claim 1,
A second groove part 152 is formed on the upper surface of the first horizontal direction moving part 150 to divide the upper surface of the first horizontal direction moving part 150 into two areas in one direction perpendicular to the driving shaft 110, And a second recessed portion 161 having a shape corresponding to the second recessed portion 152 of the first horizontal direction moving portion 150 is formed on a lower surface of the second horizontal direction moving portion 160. [ Delivery device.
The method according to claim 1,
The driving shaft connecting portion 140 is formed in a truncated conical shape having a smaller sectional area as it goes down,
And a first guide part (171) formed with a truncated conical seating groove on which the frusto-conical drive shaft connection part (140) is seated is additionally formed when the drive shaft connection part (140) moves downward. Power transmission device.
5. The method of claim 4,
The first horizontal direction moving part 150 and the second horizontal direction moving part 160 are formed in a cylindrical shape having the same diameter as the upper surface of the driving shaft connecting part 140,
And a second guide part (172) formed to be spaced a predetermined distance along the outer circumferential surface of the second horizontal direction moving part (160).
3. The method of claim 2,
The first concave portion 151 of the first horizontal direction moving portion 150 has a protrusion 151a having a lower end protruded to both sides,
The seating portion 141a is formed below the first groove 141 of the driving shaft connection portion 140 to correspond to the shape of the protrusion 151a so that the protrusion 151a is inserted. A moving groove portion 141b having a width equal to or larger than the width of the seating portion is formed on an upper portion of the mounting portion,
A space formed between the moving groove 141b and the side surface of the first concave portion 151 of the first horizontal direction moving part 150 is provided with a lubricating pad 142 detachably attached to the moving groove 141b Wherein the biaxial drive shaft power transmitting device is provided with a biaxial drive shaft.
The method according to claim 6,
The lubrication pad 142
And is formed of brass impregnated with lubricating oil.
The method of claim 3,
The width of the second groove portion 152 of the first horizontal direction moving portion 150 is formed to be larger than the width of the second recessed portion 161 of the second horizontal direction moving portion 160,
And a slide bush (153) detachably coupled to the second groove (152) is formed in a space formed between the second groove (152) and the side surface of the second recess (161) Power transmission device.
9. The method of claim 8,
Wherein the upper end of the slide bush (153) is tapered so as to become thicker from the upper side to the lower side.

9. The method of claim 8,
The slide bushes 153
And is formed of a heat-treated metal.
The method of claim 3,
When the first horizontal direction moving part 150 and the driving shaft connecting part 140 move upward,
The upper surface of the first horizontal movement part 150 and the lower surface of the second horizontal movement part 160 do not touch each other,
Wherein the second groove portion (152) of the first horizontal direction moving portion (150) contacts only the side surface of the second recessed portion (161) of the second horizontal direction moving portion (160).
The method according to claim 1,
The drive shaft moving part 120
And a pressure measuring sensor for measuring a pressure applied to the driving shaft 110 from the upper side. When the pressure measured by the pressure measuring sensor exceeds a predetermined value, the driving shaft 110 is moved downward Wherein the biaxial drive shaft power transmitting device is a biaxial drive shaft.
The method according to claim 1,
The driving force transmitting portion 130
Wherein the driving shaft (110) and the driving force transmitting part (130) are coupled by spline or serration.
A drive shaft 210;
A driving shaft moving part 220 coupled to a lower end of the driving shaft 210 and moving the driving shaft 210 up and down by a predetermined distance;
A driving force transmitting portion 230 coupled to the driving shaft 210 and rotating the driving shaft 210;
A driving shaft connecting portion 240 having a lower portion coupled to the upper side of the driving shaft 210;
A horizontal movement part 250 connected to the upper side of the driving shaft connection part 240 and slid in a horizontal direction in a plane perpendicular to the driving axis 210,
The driving shaft 210 and the driving shaft connecting part 240 integrally move when the driving shaft 210 moves up and down so that the driving shaft connecting part 240 and the horizontal moving part 250) is connected or short-circuited to be able to slide.
15. The method of claim 14,
A groove portion 241 is formed on the upper surface of the drive shaft connection portion 240 to divide the upper surface of the drive shaft connection portion 240 in one direction perpendicular to the drive shaft 210 into two regions. And a concave portion (251) having a shape corresponding to the groove portion (241) of the drive shaft connection portion (240) is formed.
16. The method of claim 15,
The width of the groove portion 241 of the drive shaft connection portion 240 is formed to be larger than the width of the recess portion 251 of the horizontal movement portion 250,
And a slide bushing (242) detachably coupled to the groove (241) is formed in a space formed between the groove (241) and a side surface of the recess (251).
17. The method of claim 16,
And the upper end of the slide bushing (242) is formed to be tapered so as to become thicker from the upper side to the lower side.
17. The method of claim 16,
The slide bush 242
And is formed of a heat-treated metal.
16. The method of claim 15,
When the drive shaft connecting part 240 moves upward,
The upper surface of the driving shaft connecting part 240 and the lower surface of the horizontal moving part 250 do not contact with each other,
Wherein the grooves (241) of the drive shaft connecting part (240) are in contact with only the side surfaces of the recessed part (251) of the horizontal direction moving part (250).
15. The method of claim 14,
The drive shaft moving part 220
And a pressure measuring sensor for measuring a pressure applied to the driving shaft 210 from the upper side. When the pressure measured by the pressure measuring sensor exceeds a predetermined value, the driving shaft 210 is moved downward Wherein the biaxial drive shaft power transmitting device is a biaxial drive shaft.
15. The method of claim 14,
Wherein the driving force transmitting portion is coupled to the driving force transmitting portion by a spline or serration.
KR1020160012708A 2016-02-02 2016-02-02 Force transmitting device for different center KR101847129B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321292A (en) * 2021-12-31 2022-04-12 浙江炜粒传动有限公司 Speed reducer with high stability

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321292A (en) * 2021-12-31 2022-04-12 浙江炜粒传动有限公司 Speed reducer with high stability
CN114321292B (en) * 2021-12-31 2023-08-22 浙江炜粒传动有限公司 Speed reducer with high stability

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