KR101862215B1 - Automatic lubricant feeding apparatus for universal joint and universal joint with the same - Google Patents

Automatic lubricant feeding apparatus for universal joint and universal joint with the same Download PDF

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Publication number
KR101862215B1
KR101862215B1 KR1020170166633A KR20170166633A KR101862215B1 KR 101862215 B1 KR101862215 B1 KR 101862215B1 KR 1020170166633 A KR1020170166633 A KR 1020170166633A KR 20170166633 A KR20170166633 A KR 20170166633A KR 101862215 B1 KR101862215 B1 KR 101862215B1
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KR
South Korea
Prior art keywords
shaft
joint
lubricating oil
lubricant
yoke
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Application number
KR1020170166633A
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Korean (ko)
Inventor
홍만식
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홍만식
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Priority to KR1020170166633A priority Critical patent/KR101862215B1/en
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Publication of KR101862215B1 publication Critical patent/KR101862215B1/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
    • F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
    • F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
    • 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
    • F16N—LUBRICATING
    • F16N25/00—Distributing equipment with or without proportioning devices
    • 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
    • F16N—LUBRICATING
    • F16N9/00—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent
    • F16N9/02—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent with reservoir on or in a rotary member
    • 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
    • F16N—LUBRICATING
    • F16N2210/00—Applications
    • F16N2210/14—Bearings
    • 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
    • F16N—LUBRICATING
    • F16N2210/00—Applications
    • F16N2210/16—Pumps

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The present invention relates to a universal joint. Provided according to the present invention are an automatic lubricant feeding apparatus for a universal joint and a universal joint with the same. The apparatus supplying a lubricant to the main body of a universal joint provided with a linearly extending joint shaft and first and second yoke joints positioned at both ends of the joint shaft includes: a bearing provided with an inner race surrounding the joint shaft and rotating with the joint shaft and an outer race fixed and surrounding the inner wheel; a lubricant supplier supplying a lubricant to the bearing; a lubricant distributor distributing and discharging the lubricant discharged from the bearing, fixed to the joint shaft, and rotating with the joint shaft; a first distribution pipe transferring the lubricant discharged from the lubricant distributor to the first yoke joint; and a second distribution pipe transferring the lubricant discharged from the lubricant distributor to the second yoke joint.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic lubrication apparatus of a universal joint, and a universal joint having the automatic lubrication apparatus. 2. Description of the Related Art [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a universal joint, and more particularly, to an oil supply apparatus for a universal joint.

A universal joint is a power transmission linking two axes when the distance between the two axes is relatively long and the angle is fluid. The universal joint generally has a shaft and a yoke joint located at either end of the shaft, respectively. The yoke joint is a form in which two yoke members are coupled to the cross shaft member. Since the rotation occurs at the coupling portion between the cross shaft member and the two yoke members, lubricant must be continuously supplied to prevent wear and noise.

In the case of a universal joint that operates for a long time, such as a universal joint used in a factory such as a steel mill, lubricant replenishment may not be performed at an appropriate time, which may lead to failure. Therefore, there is a demand for a device that can automatically supply lubricant during rotation of the universal joint.

Korean Registered Utility Model No. 20-0419323 entitled "Lubricant oil lubricating device of universal joint" (Jun. 19, 2006) Korean Patent No. 10-0562037 "Lubricant Supply Structure of Universal Joint" (Mar. 17, 2006) Korean Patent No. 10-1790318 entitled "Automatic supply of lubricant for universal joints" (Oct. 25, 2017)

An object of the present invention is to provide an automatic lubrication apparatus for supplying lubricating oil to a universal joint and a universal joint having the automatic lubrication apparatus.

Another object of the present invention is to provide an automatic lubrication apparatus and a universal joint having the automatic lubrication apparatus capable of supplying a lubricating oil during rotation of a universal joint.

Another object of the present invention is to provide an automatic lubrication apparatus and a universal joint having the automatic lubrication apparatus capable of supplying lubricant during rotation in a universal joint in which a shaft is supported by bearings.

According to an aspect of the present invention, there is provided a universal joint body having a joint shaft extending in a straight line, a first yoke joint and a second yoke joint positioned at both ends of the joint shaft, A bearing which surrounds the joint shaft and rotates together with the joint shaft, and an outer ring that is fixed to surround the inner ring; A lubricant supply device for supplying lubricant to the bearing; A lubricant dispenser that dispenses and discharges lubricant discharged from the bearing, and is fixed to the joint shaft and rotates together with the joint shaft; A first distribution pipe for delivering lubricating oil discharged from the lubricant distributor to the first yoke joint; And a second distributor pipe for delivering lubricating oil discharged from the lubricant distributor to the second yoke joint.

A lubricating oil storage space communicating with both the inner ring and the outer ring is formed in the bearing, an inlet passage through which the lubricating oil supplied from the lubricating oil supply device flows into the lubricating oil storing space is formed in the outer ring, A discharge passage through which the lubricating oil stored in the space is discharged can be formed.

The lubricant distributor is located on the second yoke joint side of the first yoke joint and the second yoke joint with respect to the bearing, and the inner ring is provided with a passage passing through the first distribution pipe.

Wherein the joint shaft includes a first shaft having a hollow shape and a second shaft inserted into the first shaft such that the first shaft is slidably inserted into the first shaft, wherein the automatic lubrication apparatus of the universal joint further includes a lubricant- And a third distribution pipe communicating between the inner circumferential surface of the shaft and the inner circumferential surface of the second shaft.

According to another aspect of the present invention, there is provided a universal joint body including a joint shaft extending in a straight line, a first yoke joint and a second yoke joint positioned at both ends of the joint shaft, ; And an automatic lubrication apparatus for supplying lubrication oil to the universal joint body, wherein the automatic lubrication apparatus includes: an inner ring that surrounds the joint shaft and rotates together with the joint shaft; and an outer ring that is fixed to surround the inner ring; A lubricating oil distributor for distributing and discharging lubricating oil discharged from the bearing and rotating together with the joint shaft, the lubricating oil distributor being fixed to the joint shaft; and a lubricating oil distributor for discharging the lubricating oil discharged from the lubricating oil distributor to the first A first distributor pipe for delivering the lubricant to the yoke joint, and a second distributor pipe for delivering the lubricating oil discharged from the lubricant distributor to the second yoke joint.

According to the present invention, all of the objects of the present invention described above can be achieved. Specifically, since the lubricating oil supplied through the bearing supporting the shaft is distributed by the distributor, then supplied through the plurality of distribution pipes, and the distribution pipe passes through the inner ring of the bearing rotating together with the shaft, The lubricating oil can be smoothly supplied during rotation.

1 is a perspective view illustrating a universal joint according to an embodiment of the present invention.
Fig. 2 is a vertical sectional view showing the inside of the bearing and joint shaft in the universal joint of Fig. 1; Fig.

Hereinafter, the configuration and operation of an embodiment of the present invention will be described in detail with reference to the drawings.

First, an embodiment of the present invention will be described in detail with reference to its constitution. 1 is a perspective view of a universal automatic joint apparatus according to an embodiment of the present invention. Referring to FIG. 1, a universal joint 100 according to an embodiment of the present invention includes a universal joint body 110 and an automatic refueling device 150 for supplying lubricant to the universal joint body 110.

The universal joint body 110 includes a joint shaft 120 extending along a reference axis X extending in a straight line and a first yoke joint 130 located at a first longitudinal end of the joint shaft 120, And a second yoke joint 140 located at a second end opposite to the longitudinal direction of the first end of the joint shaft 120.

The joint shaft 120 extends long along a reference axis X extending in a straight line. The joint shaft 120 has a hollow first shaft 121 and a second shaft 125 slidably inserted into the first shaft 121.

The first shaft 121 is hollow and extends straight along the reference axis X. A part of the second shaft 125 is inserted into the first shaft 121 so as to be slidable with respect to the first shaft 121 along the reference axis X. [ The first yoke joint 130 is located at the opposite end of the end of the first shaft 121 where the second shaft 125 is inserted.

The second shaft 125 extends in a straight line along the reference axis X as a hollow shape. The second shaft 125 is at least partially inserted into the first shaft 121 and is slidable along the reference axis X with respect to the first shaft 121. The second shaft 125 is coupled to rotate together with the first shaft 121. Since the configuration for this purpose is commonly used in the universal joint technology, a detailed description thereof will be omitted. In the present embodiment, the second shaft 125 is described as being of a longitudinal type, but it may be a solid type.

The lubricant is supplied by the automatic lubrication apparatus 150 to the gap formed between the inner circumferential surface of the first shaft 121 and the outer circumferential surface of the second shaft 125 to lubricate the gap between the first shaft 121 and the second shaft 125 The slide movement is smoothly performed.

 In the present embodiment, the joint shaft 120 is described as having the first shaft 121 and the second shaft 125, but the present invention is not limited thereto. For example, the joint shaft 120 may be composed of only one shaft, which is also within the scope of the present invention.

The first yoke joint 130 is located at the first longitudinal end of the joint shaft 120 and specifically at the end of the first shaft 121 of the joint shaft 120. The first yoke joint 130 includes a first A yoke member 131 fixed to the joint shaft 120, a first B yoke member 135 fixed to another shaft (not shown) connected to the joint shaft body 110, And a cross shaft member (not shown) coupling the first A yoke member 131 and the first B yoke member 135 to each other. Since the first yoke joint 130 having such a configuration is used in a conventional universal joint, a detailed description thereof will be omitted. The lubricating oil is supplied to the portion where the two yoke members 131 and 135 and the cruciform member (not shown) come into contact with each other at the first yoke joint 130 where the rotation is generated, and the operation is smoothly performed .

The second yoke joint 140 is located at the second end opposite to the longitudinal direction of the first end of the joint shaft 120 and specifically fixed to the end of the second shaft 125 of the joint shaft 120. The second yoke joint 140 has the same structure as the first yoke joint 130 described above. The second yoke joint 140 includes a second A yoke member 141 fixed to the joint shaft 120, A second B yoke member 145 fixed to another shaft (not shown) connected to the second yoke member 141 and a second shaft member (not shown) coupling the second A yoke member 141 and the second B yoke member 145, Respectively. Since the second yoke joint 140 having such a configuration is used in a conventional universal joint, a detailed description thereof will be omitted. The lubricating oil is supplied to the portion where the two yoke members 141 and 145 and the cruciform member (not shown) come into contact with each other at the second yoke joint 140 where the rotation is generated, and the operation is smoothly performed .

Although the first yoke joint 130 is connected to the driving side and the second yoke joint 140 is connected to the driven side in the present embodiment, the present invention is not limited thereto.

The automatic oil supply apparatus 150 supplies lubricant such as grease to the joint shaft 120, the first yoke joint 130, and the second yoke joint 140. The automatic refueling device 150 includes a bearing 160, a lubricating oil supply device 170 for supplying lubricating oil to the bearing 160, a lubricating oil distributor 180 for distributing and discharging the lubricating oil supplied through the bearing 160, A plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, 194d, 197 for delivering the lubricating oil discharged from the lubricating oil distributor 180 to the required position of the lubricating oil.

The bearing 160 supports the joint shaft 120. The bearing 160 includes an inner ring 161 and an outer ring 165 which rotates relative to the inner ring 161. [

The inner ring 161 is coupled to the joint shaft 120 to rotate with the joint shaft 120. 2 is a longitudinal sectional view showing the inside of the bearing 160 and the joint shaft 120 in the universal joint 100. As shown in FIG. 1 and 2, the inner ring 161 is fixed to the first shaft 121 while surrounding the outer circumference of the first shaft 121 of the joint shaft 120. As the joint shaft 120 rotates, the inner ring 161 also rotates together with the joint shaft 120. A lubricant outlet 162 is formed on one side of the inner ring 161. The lubricating oil in the bearing 160 is discharged to the outside through the lubricating oil discharge port 162. [ The present invention is not limited to this, but may be applied to a case where the lubricant oil distributor 180 is located on one side facing the second yoke joint 140, Is preferably located on the side surface.

The outer ring 165 can rotate relative to the inner ring 161 while surrounding the inner ring 161. The outer ring 165 is fixed to the outer structure by the support 169 so as not to rotate. That is, the outer ring 165 is fixed without rotating, and the inner ring 161 is rotated with respect to the outer ring 165 together with the joint shaft 120. A lubricant oil inlet 167 is formed on the outer circumferential surface of the outer ring 165. Lubricating oil flows into the bearing 160 through the lubricating oil inlet 167. Although the lubricating oil inlet 167 is described as being located on the outer peripheral surface of the outer ring 165 in the present embodiment, the present invention is not limited thereto. The lubricant oil inlet 167 may be located on either side of the outer circumferential surface of the outer ring 166.

A lubricant storage space 166 is formed in the bearing 160. The lubricant storage space 166 is formed in an annular shape coaxial with the bearing 160 inside the bearing 160. The lubricant storage space 166 is formed at a portion where the inner ring 161 and the outer ring 166 are in contact with each other and communicates with both the inner ring 161 and the outer ring 166. That is, a radially inner portion of the lubricant storage space 166 is formed in the inner ring 161, and a radially outer portion of the lubricant storage space 166 is formed in the outer race 165. The inner ring 161 is provided with a discharge passage 163 for connecting the lubricating oil storage space 166 and the lubricating oil discharge port 162. The outer ring 165 is provided with an inflow passage 163 for connecting the lubricating oil storage space 166 and the lubricating oil inflow opening 167 A passage 168 is formed. The lubricating oil introduced into the bearing 160 through the lubricating oil inlet 167 is supplied to the lubricating oil storing space 166 via the inlet passage 168 and is stored in the lubricating oil storing space 166 and stored in the lubricating oil storing space 166 The lubricating oil is discharged to the outside through the lubricating oil outlet 162 via the discharge passage 163.

The lubricant supply unit 170 has a storage space in which lubricant is stored, and supplies the stored lubricant to the bearing 160. The lubricant oil supply port 170 and the lubricant oil inlet port 167 of the bearing 160 are connected by a lubricant supply pipe 171. That is, the lubricant supply unit 170 supplies the lubricant to the lubricant oil inlet 167 of the bearing 160 through the lubricant supply pipe 171.

The lubricant distributor 180 distributes lubricant discharged from the bearing 160 and discharges the lubricant. The lubricant dispenser 180 is secured to the outer circumferential surface of the first shaft 121 of the joint shaft 120 and rotates together with the joint shaft 120 as the joint shaft 120 rotates. The lubricant dispenser 180 may be rigidly secured to the joint shaft 120 by a coupling structure such as a flange. The lubricant distributor 180 is located on the side where the lubricant outlet 162 formed in the bearing 160 among the two portions of the first shaft 121 divided by the bearing 160 is directed. The lubricant distributor 180 is connected to the lubricant outlet 162 formed in the bearing 160 through the distributor inlet pipe 181. The lubricant stored in the lubricant storage space 166 of the bearing 160 flows into the lubricant distributor 180 through the distributor inlet pipe 181. [ And a plurality of distribution ports for distributing lubricant to the lubricant dispenser 180 and discharging the lubricant. A plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, 194d, and 197 are connected to the plurality of distribution ports to discharge the lubricating oil.

The plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, 194d, and 197 deliver the lubricating oil discharged from the lubricating oil distributor 180 to a position where lubricating oil is required. The plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, 194d and 197 are connected to a plurality of first distribution pipes 191a, 191b, 191c 191d, a plurality of second distribution pipes 194a, 194b, 194c, 194d, and a third distribution pipe 197.

Each of the plurality of first distribution pipes 191a, 191b, 191c, and 191d connects the first yoke joint 130 with each of the distribution ports formed in the lubricant distributor 180. Concretely, each of the plurality of first distribution pipes 191a, 191b, 191c, and 191d is connected to a portion where the two yoke members 131 and 135 and the cross shaft (not shown) are coupled to each other at the first yoke joint 130 do. Thereby, lubricating oil is supplied from the lubricating oil distributor 180 to each portion of the first yoke joint 130 where the lubricating oil needs to be lubricated. The inner ring 161 of the bearing 160 is provided with a passage through which a plurality of first distribution pipes 191a, 191b, 191c, and 191d can pass. Accordingly, the plurality of first distribution pipes 191a, 191b, 191c, and 191d can rotate together with the joint shaft 120 without interference of other structures.

Each of the plurality of second distribution pipes 194a, 194b, 194c, and 194d connects each of the distribution ports formed in the lubricant distributor 180 and the second yoke joint 140 with each other. Concretely, each of the plurality of second distribution pipes 194a, 194b, 194c, and 194d is connected to a portion of the second yoke joint 140 where the two yoke members 141 and 145 and the cross shaft (not shown) do. Thereby, lubricating oil is supplied from the lubricating oil distributor 180 to each portion of the second yoke joint 140 where the lubricating oil needs to be lubricated. In the case of the plurality of second distribution pipes 194a, 194b, 194c, and 194d, at least a portion corresponding to the sliding movement of the second shaft 125 relative to the first shaft 121, .

The third branch piping 197 connects the first shaft 121 on the joint shaft 120 with a distribution port formed in the lubricant distributor 180. The lubricating oil is supplied by the third branch pipe 197 between the inner circumferential surface of the first shaft 121 and the outer circumferential surface of the second shaft 125. A through hole 123 is formed in the first shaft 121 to supply the lubricating oil supplied through the third distributor pipe 197 between the inner circumferential surface of the first shaft 121 and the outer circumferential surface of the second shaft 125 do. Although the third distribution pipe 197 is described as being one in this embodiment, a plurality of the third distribution pipes 197 may be provided and used, and this is also within the scope of the present invention.

Hereinafter, an embodiment of the present invention will be described with the focus on the operation. The lubricant supply unit 170 supplies the lubricant to the bearing 160 through the lubricant supply pipe 171 connected to the lubricant oil inlet 167 formed in the outer ring 165 of the bearing 160. [ The lubricating oil introduced through the lubricating oil inlet 167 is supplied to and stored in the lubricating oil storage space 166 formed inside the bearing 160 through the lubricating oil inflow passage 168. The lubricating oil stored in the lubricating oil storage space 166 is discharged through the lubricating oil outlet 162 to which the distributor inlet pipe 181 is connected through the discharge passage 163 formed in the inner ring 161 of the bearing 160. The lubricating oil discharged from the bearing 160 through the lubricating oil outlet 162 flows into the lubricating oil distributor 180 through the distributor inlet pipe 181.

The lubricating oil introduced into the lubricating oil distributor 180 is distributed and distributed through a plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, 194d, 191b, 191c and 191d among the plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, 194d and 197, lubricating oil flows through the first distribution pipes 191a, 191b, (130). Since the plurality of first distribution pipes 191a, 191b, 191c and 191d pass through the inner ring 161 and extend toward the first yoke joint 130, the lubricant distributor 180 rotates together with the joint shaft 120 (The outer ring 165 of the bearing 160, the bearing support 169, the lubricant supply unit 170, and the lubricant supply pipe 171) without being rotated relative to each other . The lubricating oil is supplied through the plurality of second distribution pipes 194a, 194b, 194c and 194d among the plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, (140). The lubricating oil is supplied to the inner circumferential surface of the first shaft 121 and the inner circumferential surface of the second shaft 121 through the third one of the plurality of distribution pipes 191a, 191b, 191c, 191d, 194a, 194b, 194c, 125, respectively.

As described above, the automatic lubrication apparatus 150 according to the embodiment of the present invention can automatically supply the lubricant even during rotation of the universal joint body 110, so that maintenance of the universal joint body 110 is easy Effect.

Although the present invention has been described with reference to the above embodiments, the present invention is not limited thereto. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

100: universal joint 110: universal joint body
120: joint shaft 121: first shaft
123: through hole 125: second shaft
130: first yoke joint 131: first 1A yoke member
136: first yoke member 140: second yoke joint
141: second A-shaped yoke member 145: second B-shaped yoke member
150: Automatic refueling device 160: Bearing
161: inner ring 165: outer ring
166: Lubricant storage space 170: Lubricant supply unit
180: Lubricant dispenser
191a, 191b, 191c and 191d: first branch pipes
194a, 194b, 194c, and 194d:
197: Third piping

Claims (10)

An apparatus for supplying lubricating oil to a universal joint body including a joint shaft extending in a straight line and first yoke joints and second yoke joints located at both ends of the joint shaft,
An inner ring that surrounds the joint shaft and rotates together with the joint shaft, and an outer ring that surrounds and fixes the inner ring;
A lubricant supply device for supplying lubricant to the bearing;
A lubricant dispenser that dispenses and discharges lubricant discharged from the bearing, and is fixed to the joint shaft and rotates together with the joint shaft;
A first distribution pipe for delivering lubricating oil discharged from the lubricant distributor to the first yoke joint; And
And a second distribution pipe for delivering the lubricating oil discharged from the lubricant distributor to the second yoke joint,
A lubricating oil storage space communicating with the inner and outer rings is formed in the bearing,
Wherein the outer ring is formed with an inflow passage through which lubricating oil supplied from the lubricating oil supply unit flows into the lubricating oil storage space,
A lubricating oil discharge port through which the lubricating oil is discharged is formed on one side surface of the inner ring,
The lubricant oil distributor is located on the side of the outer peripheral surface of the joint shaft where the lubricant oil discharge port is formed,
Wherein the lubricant oil distributor is located on the second yoke joint side of the first yoke joint and the second yoke joint with respect to the bearing,
And a passage through which the first distribution pipe passes is formed in the inner ring. delete delete delete delete The method according to claim 1,
Wherein the joint shaft includes a hollow first shaft and a second shaft that is slidably inserted into the first shaft,
And a third distribution pipe for transferring the lubricating oil discharged from the lubricant distributor to the space between the inner circumferential surface of the first shaft and the outer circumferential surface of the second shaft. A universal joint body having a joint shaft extending in a straight line, a first yoke joint and a second yoke joint located at both ends of the joint shaft; And
And an automatic lubrication apparatus for supplying lubricating oil to the universal joint body,
The automatic lubrication apparatus includes a bearing that surrounds the joint shaft and includes an inner ring that rotates together with the joint shaft, and an outer ring that is fixed to surround the inner ring, a lubricant supply device that supplies lubricant to the bearing, A first distribution pipe for distributing and discharging the lubricating oil discharged from the lubricating oil distributor, a lubricating oil distributor fixed to the joint shaft and rotating together with the joint shaft, a first distribution pipe for delivering lubricating oil discharged from the lubricating oil distributor to the first yoke joint, To the second yoke joint, wherein the second distribution pipe
A lubricant storage space communicating with the inner and outer rings is formed in the bearing,
Wherein the outer ring is formed with an inflow passage through which lubricating oil supplied from the lubricating oil supply unit flows into the lubricating oil storage space,
Wherein the inner ring is formed with a discharge passage through which lubricating oil stored in the lubricating oil storage space is discharged,
A lubricating oil discharge port connected to the discharge passage on one side of the inner ring to discharge the lubricating oil,
Wherein the lubricant oil distributor is located on the side of the outer circumferential surface of the joint shaft where the lubricant oil outlet is formed and the second one of the first yoke shaft and the second yoke shaft is located on the lubricant distributor side with respect to the bearing,
And a passage through which the first distribution pipe passes is provided in the inner ring. delete delete The method of claim 7,
Wherein the joint shaft includes a hollow first shaft and a second shaft inserted into the first shaft so as to be slidable,
Wherein the automatic refueling machine further comprises a third distribution pipe for transferring the lubricating oil discharged from the lubricant distributor between an inner circumferential surface of the first shaft and an outer circumferential surface of the second shaft.
KR1020170166633A 2017-12-06 2017-12-06 Automatic lubricant feeding apparatus for universal joint and universal joint with the same KR101862215B1 (en)

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KR1020170166633A KR101862215B1 (en) 2017-12-06 2017-12-06 Automatic lubricant feeding apparatus for universal joint and universal joint with the same

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263552A (en) * 1992-07-06 1993-11-23 The Cline Company Automatic lubrication system for an industrial rotary drive
KR20010109635A (en) * 2000-05-31 2001-12-12 이구택 Device for suppling grease of universal coupling
KR100562037B1 (en) 2004-07-09 2006-03-17 박배식 Lubricating oil supply structure universal joint
KR200419323Y1 (en) 2006-03-20 2006-06-19 이종석 lubricant oil supply device for universal joint
JP3954261B2 (en) * 2000-02-10 2007-08-08 株式会社ジェイテクト Supply piping for power transmission shaft
JP5834344B2 (en) * 2012-03-19 2015-12-16 島津メクテム株式会社 Lubricating oil supply device
KR101790318B1 (en) 2016-11-10 2017-10-25 동의대학교 산학협력단 Appratus for Automatically Feeding Lubrication Oil in Universal Joint

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263552A (en) * 1992-07-06 1993-11-23 The Cline Company Automatic lubrication system for an industrial rotary drive
JP3954261B2 (en) * 2000-02-10 2007-08-08 株式会社ジェイテクト Supply piping for power transmission shaft
KR20010109635A (en) * 2000-05-31 2001-12-12 이구택 Device for suppling grease of universal coupling
KR100562037B1 (en) 2004-07-09 2006-03-17 박배식 Lubricating oil supply structure universal joint
KR200419323Y1 (en) 2006-03-20 2006-06-19 이종석 lubricant oil supply device for universal joint
JP5834344B2 (en) * 2012-03-19 2015-12-16 島津メクテム株式会社 Lubricating oil supply device
KR101790318B1 (en) 2016-11-10 2017-10-25 동의대학교 산학협력단 Appratus for Automatically Feeding Lubrication Oil in Universal Joint

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