KR20040106871A - Device for automatic putting grease on a wirerope - Google Patents

Abstract

PURPOSE: A device for automatically applying grease to a wire rope is provided to prevent equipment trouble and improve productivity by safely and periodically applying the grease to the wire rope. CONSTITUTION: An upper housing(130) is fixed to the top of a base frame(120) supported by a crane guide, and has a through hole at the center. A pair of cover members(170a,170b) are fixed to the upper end of the upper housing, and are disposed at a predetermined interval from each other. A lower housing is fixed to the bottom of the base frame, and is filled with grease. A through hole corresponding to the through hole of the upper housing is formed at the center of the lower housing. A driving disk rolls between the cover members, and includes a driving gear at the outer circumference, a contact plate at the inner circumference contacting with a wire rope(1), and balls at the top and bottom. A rotary shaft(310) is coupled vertically to the cover members, and has a spur gear(320) engaged with the driving gear, and a driving bevel gear(330) at the bottom. A driven shaft is disposed vertically to the rotary shaft, fixed rotatably in the upper housing, and has a driven bevel gear engaged with the driving bevel gear and a push plate(360). A cylinder penetrates through the base frame vertically, and is deposited in the grease. A piston rod is in contact with the push plate, moves up and down along the cylinder, and has a jet nozzle connected to a suction chamber and jetting the grease by suction pressure.

Description

Wire Rope Grease Automatic Coating Device {DEVICE FOR AUTOMATIC PUTTING GREASE ON A WIREROPE}

The present invention relates to an apparatus for automatically applying grease to wire ropes used in cranes, hoists and machinery in steel mills.

In general, grease is applied to the wire rope surface in order to extend its life and to increase efficiency in wire ropes used in cranes, hoists, and mechanical devices.

However, in most cases, such grease is applied to the wire rope surface by manual work, which is a high risk during the application work, and productivity is reduced due to excessive working time due to a decrease in work efficiency, and an excessive amount of coating is applied even though an appropriate amount is applied. By doing so, the waste of resources is of course a factor of accumulating foreign objects.

For example, as shown in Figure 1, the operator directly climbs the top of the crane by manually applying grease (oil) on the surface of the wire rope (1) is not only always exposed to the risk of safety accidents, but also significantly reduced work efficiency It takes too much time, and in case of poor application of grease, it comes up in the state where foreign matter is fixed and accumulates in the wire drum (3), causing equipment troubles. Cause them.

The present invention has been made in view of the above problems of the prior art as described above, and it is possible to safely and periodically apply grease to the surface of the wire rope used in cranes, hoists and other machinery. It is an object of the present invention to provide an automatic wire rope grease application device that can obtain benefits such as prevention of equipment troubles, prevention of safety accidents, and productivity improvement due to reduction of workload.

1 is an exemplary view showing a process of applying grease to a wire rope according to the prior art,

2 is an installation state of the automatic coating device according to the invention,

3 is a cross-sectional view of the coating apparatus according to the present invention;

Figure 4 is a perspective view of the brushing constituting the coating apparatus according to the present invention,

5 is a sectional view of main parts of the coating apparatus according to the present invention;

6 is a cross-sectional view of a drive unit constituting the coating apparatus according to the present invention;

7 is a cross-sectional view showing a coupling relationship between the drive disk and the drive unit constituting the coating apparatus according to the present invention;

8 is an exemplary view showing a state in which the ball cover is fixed to the upper and lower portions of the drive disc of FIG.

9 is a schematic plan sectional view of a power transmission unit constituting the coating apparatus according to the present invention;

Figure 10 (a), (b) is a sectional view of the main portion of the Christ cloth constituting the coating apparatus according to the present invention.

♧ description of the symbols for the main parts of the drawing ♧

1 .... Wire Rope 2 .... Crane Guide

3..Wire drum 110 .... Fixing bracket

120 .... Baseframe 130 .... Top Housing

140 .... undercarriage 160 ... brush rings

162 ... Brush 170a, b ... cover member

200 .... Driver 210 .... Driver Disc

212 .... Drive Gear 214 .... Home

220 .... contact plate 222 ...

224 .... Spring 226 .... Screw

230 .... Coverplate 240 .... Ball Bracket

250 .... ball 260 .... ball cover

270 .... Connecting bracket 300 .... Power transmission unit

310 .... rotating shaft 320 .... spur gear

330 .... driven bevel gear 340 .... driven shaft

350 .... Bevel Bevel Gears 360 ...

400 .... the grease application 420 .... the cylinder

430.Piston Rod 432.Suction chamber

434,462,472 ... Check valve 440 Contact roll

460..Supply line 464 .... Spray nozzle

470 .... suction tube

The present invention is fixed to the upper surface of the base frame supported by the crane guide in order to achieve the above object, the upper end is provided with a pair of cover members fixed to be spaced apart from each other in the vertical direction, the hole in the wire rope through hole in the center Equipped upper housing; A lower housing fixed to a lower surface of the base frame, filled with grease therein, and having a hole having the same shape as the upper housing in the center; A drive disc formed on an outer circumferential surface thereof, a contact plate contacting a wire rope on an inner circumferential surface thereof, and a driving disc disposed on the upper and lower end surfaces thereof so as to be in contact with the cover member; A rotating shaft having a flat gear meshed with the drive gear of the drive disc, the lower end having a drive bevel gear, and bearing-bonded to the cover member; A driven shaft having a driven bevel gear meshed with the driving bevel gear of the rotary shaft, the length of the driven shaft being provided with a pressing plate, and vertically disposed with the rotary shaft to be rotatably fixed in the upper housing; A cylinder disposed through the base frame up and down to be deposited on grease; It has a spray nozzle which is in contact with the pressing plate is raised and lowered along the cylinder, and has a spray nozzle connected to the suction chamber therein to inject grease according to the suction pressure, the bottom surface includes a piston rod having a check valve It is characterized by providing automatic wire rope grease applicator.

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

2 is an installation state diagram of the automatic coating device according to the present invention.

As shown, the present invention coating device 100 is fixed to the bottom surface of the crane guider 2 so that the wire rope (1) can be raised and lowered through the center portion.

The present invention applicator 100 is provided with a fixing bracket 110 for fixing the present invention applicator 100 to the crane guider 2, as shown in Figure 3 showing the overall cross-section, the fixing bracket ( The base frame 120 is fixed to the 110, the upper housing 130 on the upper surface of the base frame 120 and the lower housing 140 is bolted to the lower surface.

In addition, the wire rope 1 is disposed so as to move up and down through these central portions.

At this time, the upper housing 130 is provided with a drive unit 200 for generating power by contact with the wire rope (1), and a power transmission unit for transmitting the power of the drive unit (200); The upper and lower housings 130 and 140 are fixed across the vertical direction and are connected to the power transmission unit 300 to suction the grease, and there is provided a Christ gun 400 for automatically spraying onto the surface of the wire rope 1.

In addition, the groove is processed in the inner peripheral surface of the lower housing 140, the groove is coupled to the cylindrical brushing 160 as shown in Figure 4, the inner circumferential surface of the brushing 160 is moved up and down A plurality of brushes 162 are planted to clean the surface of the wire rope 1, and a thread 164 is formed on the outer circumferential surface thereof to be coupled to the groove.

In addition, an injection hole 150 for filling grease is provided on the upper outer circumference of the lower housing 140.

On the other hand, as shown in Figure 5, the upper housing 130 is formed of a cylindrical member, the upper cover is provided with a pair of cover members (170a, b) spaced from each other.

In addition, a driving unit 200 as shown in FIG. 6 is embedded between the cover members 210 and 220 along the periphery of the central pupil of the cover members 170a and b, that is, the adjacent side through which the wire rope 1 penetrates.

As shown in FIGS. 6, 7, and 8, the driving unit 200 is provided with a driving disc 210 having a shape in which a disc having a pupil in the center is divided into four equal parts at an angle of 60 degrees, and the driving disc ( Inside the 210, a guide groove 214 having a predetermined depth from the inner circumferential surface toward the outer circumferential surface is formed, and the guide groove 214 has the same shape as the drive disc 210 having the protrusion 222 on the outer circumferential surface thereof. In addition, a thinner 1/4 plate-shaped contact plate 220 is inserted, and the cover plate 230 is disposed on the inner circumferential surface of the driving disc 210 with the contact plate 220 interposed therebetween in order to prevent separation thereof. ) Is fixed by bolts in a butt condition.

At this time, the protrusion 222 is fitted with a spring 224 to elastically cover the play of the contact plate 220 in the guide groove 214.

In addition, the inner circumferential surface of the contact plate 230 is preferably provided with a twisted line formed on the wire rope 1, for example, a thread 226 corresponding to the helical portion so as to receive a large driving force by contact.

In addition, a drive gear 212 is formed on the outer circumferential surface of the drive disc 210.

On the other hand, the ball bracket 240 having a plurality of ball grooves is fixed to the upper and lower surfaces of the driving disk 210, the ball 250 of the ball bracket 240, the ball 250 is built, this ball ( 250 is provided so as not to be separated by being fixed to the fixing bolt 280 by the ball cover 260 having a ball hole 262 for fixing it.

In addition, the ball 250 exposed to the upper and lower surfaces through the ball hole 262 is provided so as to be able to smoothly make contact with the contact between the facing surfaces of the cover member (170a, b).

5 and 9, the power transmission unit 300 is provided with a rotary shaft 310 which is rotatably bearing fixed while being disposed vertically in the vertical direction to the cover members (170a, b), the rotary shaft ( The spur gear 320 meshed with the drive gear 212 formed on the outer circumferential surface of the driving disc 210 is fixed to a portion of the length of the driving disc 210, and a driving bevel gear 330 is formed at a lower end thereof.

In addition, the driving bevel gear 330 is meshed with the driven bevel gear 350, and the driven bevel gear 350 is rotatable in a direction orthogonal to the rotary shaft 310 across the upper housing 130. One end of the driven shaft 340 is formed.

In addition, the pressing plate 360 is fixed to a part of the length of the driven shaft 340 is configured to periodically press the contact roll 440 of the Christ 400 to be described later.

As shown in FIGS. 5 and 10, the cylinder 400 has a cylinder 420 vertically disposed from the upper housing 130 to the lower housing 140 through the base frame 120, and the fixing bracket 410. It is fixed on the base frame 120 by the lower end of the cylinder 420 is disposed in the lower housing 140 filled with grease as shown in FIG.

In particular, a lower diameter suction tube 470 is connected to the lower end of the cylinder 420, and a check valve 472 is installed at a part of the suction tube 470 so as to open only upward and not open downward. Therefore, once sucked grease is configured not to discharge downward again.

The piston rod 430 is inserted into the cylinder 420, and the upper end of the piston rod 430 is supported by the contact roll fixing bracket 442 and is in contact with the pressing plate 360 fixed to the driven shaft 340. Possible contact rolls 440 are provided.

In addition, an elastic spring 450 is provided between the contact roll fixing bracket 442 and the upper end of the cylinder 420, the elastic spring 450 is fitted to the upper end of the piston rod 430 to the piston rod 430 It is configured to give elasticity.

In addition, an inside of the piston rod 430 is formed with a suction chamber 432 communicating with the lower end in the longitudinal direction thereof. A check valve having the same structure as the check valve 472 is formed at the lower end of the suction chamber 432. 434 is installed.

In addition, the supply pipe 460 is fixed to one side of the piston rod 430, the supply pipe 460 is connected in communication with the suction chamber 432, and extends through the cylinder 420 to the outside An injection nozzle 464 with a check valve 462 interposed therebetween is provided at an end thereof and is disposed to face the wire rope 1.

In this case, a flow groove 422 is formed in a portion of the outer circumferential surface of the cylinder 420 so that the supply pipe 460 flows with a length corresponding to the up and down flow width in order to smoothly flow the piston rod 430.

The operating relationship of the present invention made of such a configuration is as follows.

When the wire rope 1 is raised by the drive of the wire drum 3, the contact plate 220 that is in contact with the wire drum 3 receives a force.

At this time, since the thread 226 is formed on the inner circumferential surface of the contact plate 220, the contact force with the spiral twisted line in the wire rope 1 is further increased.

Therefore, the contact plate 220 tries to rotate in the helical direction. At this time, since the contact plate 220 is constrained to the driving disc 210, the driving disc 210 also rotates in the same direction at the same time.

When the rotational force is received, the driving disc 210 is easily rotated by the ball 250 and is easily rotated without any obstacle, and the spur gear engaged with the driving gear 212 by the rotation ( 320 is also rotated.

When the spur gear 320 is rotated, the driving bevel gear 330 integrally connected thereto is also rotated, and the driven bevel gear 350 is rotated to rotate the driven shaft 340 while the driven bevel gear 350 is engaged with the pressing plate 360. Will rotate.

The pressing plate 360 is pressed down on the contact roll 440 with a step to lower the piston rod 430. At this time, the upper end of the piston rod 430 has an elastic spring 450 is interposed so that the pressing plate 360 is pressed down. Whenever the force is applied periodically, the piston rod 430 is repeatedly moved up and down in the cylinder 420.

For example, when the piston rod 430 is lowered, the space between the bottom surface and the suction pipe 470 is subjected to pressure, and the check valve 472 on the suction pipe 470 side is opened by the pressure to open the inside of the lower housing 140. Grease is introduced into the suction pipe 470.

At the same time, the pressure causes the grease in the suction pipe 470 to be sucked into the suction chamber 432 by opening the check valve 434 in the check valve 434 installed on the lower surface of the piston rod 430.

On the contrary, when the piston rod 430 is raised, all the check valves are kept closed, so there is no leakage of grease.

Meanwhile, when grease is sucked into the suction chamber 432, the internal pressure is increased, so the internal grease is naturally discharged through the supply pipe 460, and the check valve 462 and the injection nozzle 464 are used to remove the wire rope 1. It will be automatically sprayed onto the surface.

Through this process, even if the operator does not check and apply, the grease is automatically applied every time the lifting and lowering operation of the wire rope 1, so that it is possible to solve a lot of disadvantages derived from trouble or application of the equipment.

Above all, the apparatus of the present invention, in which the wire rope 1 is lifted and lowered, is provided with a brush 162 that can wash the outer surface of the wire rope 1, and is automatically moved whenever the wire rope 1 is raised or lowered. Because the surface is brushed off and cleaned, many malfunctions due to accumulation of foreign matter can be suppressed in advance.

As described in detail above, according to the present invention, the grease can be automatically applied according to the operating state of the wire rope, so that the coating work is easy, the safety of the work can be secured, the life of the equipment can be extended, and the equipment is troubled. To maximize productivity.

Claims (4)

A top housing fixed to an upper surface of the base frame supported by the crane guide, and provided with a pair of cover members at upper ends thereof spaced apart vertically from each other, and having a hole for penetrating a wire rope in the center thereof; A lower housing fixed to a lower surface of the base frame, filled with grease therein, and having a hole having the same shape as the upper housing in the center; A drive disc formed on an outer circumferential surface thereof, a contact plate contacting a wire rope on an inner circumferential surface thereof, and a driving disc disposed on the upper and lower end surfaces thereof so as to be in contact with the cover member; A rotating shaft having a flat gear meshed with the drive gear of the drive disc, the lower end having a drive bevel gear, and bearing-bonded to the cover member; A driven shaft having a driven bevel gear meshed with the driving bevel gear of the rotary shaft, the length of the driven shaft being provided with a pressing plate, and vertically disposed with the rotary shaft to be rotatably fixed in the upper housing; A cylinder disposed through the base frame up and down to be deposited on grease; It has a spray nozzle which is in contact with the pressing plate is raised and lowered along the cylinder, and has a spray nozzle connected to the suction chamber therein to inject grease according to the suction pressure, the bottom surface includes a piston rod having a check valve Automatic wire rope grease applicator. The method according to claim 1, Brushing is screwed to the lower inner peripheral surface of the lower housing, a wire rope grease automatic coating device, characterized in that a plurality of brushes in contact with the surface of the wire rope planted on the inner peripheral surface of the brushing. The method according to claim 1, And a supply valve having a suction pipe and a spray nozzle connected to the lower end of the cylinder is provided with a check valve that opens in only one direction. The method according to claim 1, The outer periphery of the upper end of the piston rod is provided with an elastic spring for elastically operating, the upper end of the wire rope grease automatic coating device, characterized in that the contact roll is provided in contact with the pressing plate.