JP2832677B2 - Rotary kiln slipper lubrication unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for supplying a constant amount of lubricating oil between a tire inner peripheral surface constituting a slipper portion of a rotary kiln and a shell-side block in contact with the inner peripheral surface.

[0002]

2. Description of the Related Art The body of a rotary kiln is a steel cylinder which is rotatable about its axis and is slightly inclined from horizontal, and is entirely or partially lined with a refractory material. The size of the kiln is, for example, several tens of meters in length and several meters in inner diameter for cement firing. The support is provided at three to four places in the longitudinal direction. At each of the support positions, as shown in FIG. 5, a slide block 2 is provided on the outer periphery of the shell 1 of the rotary kiln body, and the inner peripheral surface is in contact with the slide block. A pair of rollers 4 provided with a tire 3 and abutting against the outer peripheral surface of the tire 3
It is supported and rotatable. Slide block 2
Are provided in the circumferential direction with a gap e therebetween.
Has a groove-like portion consisting of a surface facing the inner peripheral surface 3a of the tire 3 and a surface facing near the inner edges of both side surfaces of the tire 3. The tire 3 has a width of about 1 m, a ring having a uniform cross section in the circumferential direction and a rectangular shape. The inner diameter is determined in consideration of thermal expansion. There is some room between the surface and the surface facing the surface. In the rotation of the rotary kiln body, slippage occurs between the slide block 2 and the tire 3, and the tire 3 also rotates.
Such a rotary kiln has a slide block 2
Lubrication between the tire and the inner peripheral surface of the tire 3 is performed by oil and fat.
Recently, a greasing device has been proposed, but in the past, direct lubrication was performed by an operator.

A conventional technique of this type is disclosed in Japanese Utility Model Laid-Open No. 2-1.
No. 24492. The general configuration is such that a swingable arm is provided on a base near the rotary kiln tire, a lubricating oil injection nozzle and a roller are attached to the tip of the arm, and the roller is provided intermittently on the outer periphery of the rotary kiln shell. (Slide block)
The arm is disposed at a position where the arm comes in contact with the rotary kiln, and the intermittent swinging movement of the arm caused by the rotation of the rotary kiln is detected by a limit switch, and the solenoid valve is operated by the detection signal to control the lubricating oil injection timing. A controller is attached. Lubricating oil is supplied to the lubricating oil injection nozzle from a pump.

[0004]

In a slipper lubricating apparatus for a rotary kiln, it is necessary for the lubricating oil supply to be controlled so as to be constant for normal operation of the rotary kiln. That is, if the lubricating oil supply amount is small, seizure occurs, and if it is large, expensive lubricating oil is not only wasted but also stains the vicinity. In the conventional lubrication device, the amount of lubricating oil injected from the lubricating oil injection nozzle depends on the pressure of the lubricating oil supplied to the nozzle, the viscosity of the lubricating oil, and the opening time of the solenoid valve due to fluctuations in the number of revolutions of the rotary kiln. Are affected by fluctuations in Therefore, the supply amount of lubricating oil supplied to the lubricating part at appropriate time intervals is determined to be an appropriate amount, and in order to keep the supply amount each time constant, a timer for setting the operation time is used, or the number of injections is reduced. Even if you decide, there is a problem that it is difficult to be constant. That is, when supplying lubricating oil from a single lubricating oil pump to a plurality of nozzles, if there is a difference in the length of the pipe, the pressure loss will differ and the pressure at each nozzle position will differ. The ejection amount from each nozzle per time is different.
In addition, since the viscosity greatly changes due to differences in the temperature in the four seasons, morning and evening, etc., the ejection amount from the nozzle per unit time differs depending on the season and time. Further, since the number of revolutions of the rotary kiln is not always constant, the amount of jet per unit time varies depending on the operating conditions. As described above, it is difficult to supply a constant amount of lubricating oil every time with the conventional rotary kiln slipper lubricating apparatus, which usually causes a problem that the lubricating oil is excessively supplied because it is desired to avoid seizure. ing. SUMMARY OF THE INVENTION It is an object of the present invention to provide a rotary kiln slipper lubricating apparatus in which the amount of lubricating oil supplied each time is constant.

[0005]

According to the present invention, there is provided a nozzle for a rotary kiln which is directed to a position where a predetermined lubricating portion of a rotary kiln passes, and a period in which the nozzle faces the lubricating portion. A rotary kiln slipper unit lubricating device including a detecting unit for detecting, and a valve for opening and channeling a passage between the nozzle and the pressurized lubricating oil source based on the detection of the detecting unit; A fixed amount lubrication unit is provided between the pressurized lubricating oil source and the lubricating oil for storing the lubricating oil and supplying a predetermined amount regulated by the volume of the stored lubricating oil. In the above-described means, the fixed-quantity lubrication means includes a cylinder filled with lubricating oil, a piston that is retracted in a state where lubricating oil is supplied to the cylinder, and a piston that is advanced by a predetermined amount to move the piston in the cylinder. And a drive unit for pushing out the lubricating oil to the nozzle side. In the above means, it is preferable that another pneumatic cylinder larger than the diameter of the cylinder and the piston is applied to the driving unit, and the lubricating oil is pushed out by a booster pump system. In the above-mentioned means, it is preferable that a refueling amount adjusting mechanism which can stop the refueling upon detecting that the piston advances by a predetermined amount and set the predetermined amount at an arbitrary position is provided.

[0006]

According to the means of the present invention, when the rotary kiln slipper portion greasing device operates, the detection means detects that the valve opens only when the nozzle is directed to the greasing portion and lubricates the lubricating oil from the nozzle. Inject and supply to the site. Although the lubrication is intermittent because it is performed sequentially on the lubricating portions, the fixed-quantity lubrication means ends after supplying a predetermined amount regulated by the volume of the stored lubricating oil. Therefore, the total amount of intermittent series of greasing from the nozzle is
It is always constant in volume, regardless of changes in pressure or temperature. In the case where the constant-quantity lubrication unit includes a cylinder, a piston, and a drive unit, it is simpler than a unit that detects and shuts off the flow of a predetermined amount using a flow meter generally considered as a constant-quantity supply device. In particular, in the case of a rotary kiln, since the lubricating oil is grease and the flowmeter is special, it can be more easily manufactured. Since the pressure can be applied by the drive unit, the pressure can be supplied to the nozzle at a desired pressure. When the booster pump method is adopted as the fixed amount lubrication means, it can be operated by a pneumatic signal, and can be provided quite close to the nozzle or valve, so that the lubricating oil supply pressure to the nozzle is high and easy to be constant. Therefore, the ejection of the lubricating oil from the nozzle is stabilized. The refueling amount adjusting mechanism adjusts the refueling amount pushed out from the piston to the nozzle by changing a predetermined amount of advance of the piston.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. The rotary kiln in this embodiment is for firing cement, and is a lubricating device for a slipper portion of the rotary kiln shown in FIG. This greasing device is applied to each of the slipper portions of four first to fourth fulcrums that support the rotation of the long kiln in the middle, and is provided for each fulcrum as shown in a schematic configuration in FIG. Each of them is composed of the same shot valve unit and boost pump unit. The following description of the configuration will be made for the first fulcrum, and the description for the other fulcrum will be omitted because it is the same. As can be seen in FIG. 1, the shot valve unit 1 for the first fulcrum
5a is provided with a nozzle 10, a detecting means 11, and a valve 12, and a boost pump unit 16a for a first fulcrum.
Is provided with a fixed amount lubrication unit 13.

[0008] Nozzle 10, detecting means 11, and valve 1
2 is provided on the base frame 20, as shown in FIGS.
The base frame 20 is provided with a support at an appropriate position near the slipper portion, and is attached to the support. The nozzle 10 provided on the base frame 20 at the fixed position is provided with a predetermined lubricating portion (a gap between the outer peripheral surface of the shell 1 and the inner peripheral surface 3a of the tire between the slide blocks 2 and 2) of the rotary kiln slipper portion. ) 21 is directed to the position where it passes. The direction of the nozzle 10 can be adjusted within a range of an angle θ (about 30 °) at the time of installation on site.

The detecting means 11 detects a period in which the nozzle 10 faces the greasing portion 21, and applies an operating force to the valve 12 to open the valve during the detecting period. , Detector 23, swing arm 2
4, the transmission mechanism 26 and the like. The detector 23 is
A round bar is welded to the outer end of the reinforcing rib 5 provided in each of the two slide blocks 2 of the kiln in the kiln rotation direction so as to be parallel to the kiln center axis at the outer end with respect to the kiln center. It was done. Each detector 2
The position 3 is a portion of the slide block 2 which is located most outward with respect to the central axis of the kiln. Each detector 2
No. 3 is equidistant from the kiln center axis so that they rotate together with the kiln and draw the same rotation trajectory,
Each detector 23 has the same distance f (see FIG. 2) to the gap between the slide blocks 2 on the rear side in the kiln rotation direction.

The swing arm 24 has a base end pivotally supported by a shaft 27 on a base frame 20 and a roller 28
have. The swing arm 24 supported by the fixed base frame 20 is within the rotation locus of the detector 23 provided on the kiln side where the roller 28 at the tip rotates, and swings to one side to hit the stopper. Extension spring 2 at initial position where it contacts
9 is towed. When the kiln rotates, it is driven by the detector 23 to swing about the axis 27 by an angle θ2, and when it comes out of the trajectory of the detector 11, the tension spring 2
The operation 9 returns to the initial position. While the swing arm 24 swings by the angle θ1, the nozzle 10 surely faces the greasing portion 21.

Here, the valve 12 will be described. This valve is a shot valve and is a poppet type. Although the illustration of the internal structure is omitted, a valve body 30 has a supply port 31 and a delivery port 32 for oil and fat. A poppet valve body is provided inside the valve body 30 so as to open and close the space therebetween. One end of the valve body is closed by a valve closing spring (FIG. 2).
At the right side), and the other end is provided so that one end of a rod-shaped driven portion 35 faces the other end. The driven portion 35 has the other end protruding from the outer surface of the main body 30, and the other end is pressed to drive the valve body to open the valve. When the pressing force of the driven portion 35 is released, the original protruding state is restored. This shot valve 12
The feed port 32 is fixed to the base frame 20 and the greasing line 74
Connected to the nozzle.

The transmission mechanism 26 is provided for the swing arm 24 and the driven portion 35, and includes a cam 36 and a one-handed lever 37, as shown in FIG. The cam 36 is provided coaxially with the shaft 27 at the base of the swing arm 24, and similarly, when the swing arm 24 swings,
It is designed to rotate. The one-handed lever 37 has a hook-like bent shape and has a roller
Has a base portion swingably supported by a shaft 39 provided on the valve body 30, and has a joint shape in which a bent portion is connected by a shaft so as to be bent at a smaller angle from a state of about 90 degrees, A spring is interposed to return to the 90-degree state.
The portion between the bent portion and the base portion of the one-handed lever 37 comes into contact with the protruding end of the driven portion 35 of the shot valve 12.

The transmission mechanism 26 supplies one shot of oil by swinging the swing arm 24 at the angle θ2. First, until the cam 36 is slightly in front of the rotation of the angle θ1, the roller 38
, The driven lever 37 swings, the driven portion 35 is pressed and the shot valve 12 opens, and when the swing arm 24 passes the angle θ1, the roller 38 is disengaged from the cam 36. The pressure of the driven part 35 is released, and the shot valve 12 closes. When the swing arm 24 swings by the angle θ2 and returns to the original position, the roller 38 is pushed again by the cam 36, but the bending portion of the one-handed lever 37 is bent by receiving a component force in the bending direction, and the shot valve is bent. 12 does not open. That is, the configuration of this bent portion is such that the shot valve 12 does not open when the cam 36 rotates back.

Separately, the swinging arm 24 has the detecting body 2
An evacuation drive unit is provided so as to rotate to the evacuation position deviating from the rotation locus 3. The structure is such that the cylinder portions of both rod air cylinders 40 are fixed to the base frame 20, and the outer end of one rod 42 is connected to the cam 36 and the swing arm 24.
Is fixed to the shaft 27 which is fixed together with the shaft 27 and is opposed to an appropriate position away from the axis, and a tension spring 41 is provided between the outer end of the other rod 43 and the appropriate position on the base frame 20 side. When compressed air is not supplied to the cylinder 40, the rod portion moves forward by the tension spring 41 and the swing arm 2
4 is swung to a position that definitely exceeds the angle θ2,
When compressed air is supplied to the cylinder 40, the cylinder 40 is retracted against the tension spring 41 and is separated from the swing arm 24. The tension spring 41 is stronger than the tension spring 29 that returns the swing arm 24 to the operating position. The retracting drive unit includes a cylinder 4
When the compressed air is not supplied to the cylinder 0, the swing arm 24 is rotated from the predetermined operation position to the retreat position exceeding the angle θ2. The relationship is cut off so as to be in the operating position. When the swing arm 24 is switched from the predetermined operating position to the retracted position, the one-handed lever 37 is bent by a bending mechanism (not shown) to keep the shot valve 12 closed.

As shown in FIGS. 1 and 4, the fixed amount lubrication means 13 comprises a small cylinder portion 45 and a large cylinder portion 46 which is a driving portion thereof. The small cylinder part 45 is a small cylinder 47
The small piston 48 advances and retreats inside, and the effective storage volume of the storage chamber 49 formed on the piston tip side in the state where the small piston 48 is retracted has a size corresponding to the maximum amount of lubrication at one time. It is. The storage chamber 49 is provided with an inlet 50 for supplying fats and oils and an outlet 51 for delivering fats and oils. Entrance 50
Is connected to a grease pump 70 via a greasing pipe 71 and a valve 72, and the outlet 51 is connected to a supply port 31 of the shot valve 12 via a greasing pipe 73. The grease pump 70 operates when the pressure on the greasing pipe line 71 side decreases. The large cylinder section 46 is
The large piston 53 is formed so as to advance and retreat in a large cylinder 52 having a diameter sufficiently larger than the small cylinder 47, and the front side of the large piston 52 They are connected by a rod 54. The large piston 52 can move forward and backward within the entire stroke of the small piston 48. This configuration is a boost pump, in which compressed air is supplied from a supply / discharge port 52a to a pressure chamber behind a large piston 53 of a large cylinder 52 to advance a large piston and a small piston 48. The fat or oil is delivered from the outlet 51. When the small piston 48 makes a full stroke, a constant maximum discharge amount is delivered.

The fixed-quantity lubrication means 13 is provided with a stroke detection unit (lubricating amount adjusting mechanism) 5 so as to adjust the amount of lubrication at one time.
Five. The stroke detecting section 55 detects that the small piston 48 has reached the predetermined stroke position, and stops the injection of the oil and fat from the nozzle 10.
As shown in FIG. 4, the guide rod 56 and the screw rod 57 are attached to the outside of the small cylinder 47 in parallel with each other, and the support member 65 is attached so as to be position-adjustable while straddling both of them. A bell-crank arm 62 having a roller 63 on a support member 65 is pivotally supported and the arm 6 is
A three-way valve 61 operated by the two is mounted via a bracket 64. The support member 65 is shown in FIG.
As shown in FIG. 2, the screw 5 is fixed to the guide rod 56 by tightening the set screw 59, and is sandwiched from both sides by nuts 60 screwed to the screw rod 57.
7 is also fixed. And rod 58 to large piston 53
The other end is slidably penetrated through the end wall of the large cylinder on the small cylinder side, and is projected between the guide rod 56 and the threaded rod 57 in parallel with them. When the large piston 53 moves upward from the position shown in FIG.
The tip of the rod 58 advances between the guide rod 56 and the threaded rod 57. The roller 63 is positioned on the path along which the tip of the rod 58 moves, and if the support member 65 is fixed at an intermediate position as shown in FIG. The three-way valve 61
Is operated, whereby the shot valve 12 is closed to stop the injection of the oil from the nozzle 10 as described later. Therefore, by adjusting the fixing position of the support member 65, the amount of lubrication can be arbitrarily adjusted within the range not more than the maximum discharge amount. In addition, since the position of the rod 58 is transmitted to the three-way valve 61 via the arm, unnecessary pressure is not applied to the three-way valve 61, and the three-way valve 61 can be prevented from being damaged.

The fixed-quantity greasing means 13 is provided with a pneumatic circuit as shown in FIG. 1 in association with the above-described air cylinder 40 for automatic operation of the whole greasing device. That is, the pipeline of the compressed air supplied from the pipeline 77 on the side of the air source 75 is connected to the supply / discharge port 52a of the large cylinder section 46 via the pressure reducing valve 66 and the pilot section for shutting off the valve 72. And the air supply line 78.
Is connected to the air supply line 79 through the three-way valve 61, and is connected to the air supply line 7.
9 is an air cylinder 40 through a valve 82 and an air supply line 80.
Connected to When the greasing is performed, the air source 7
A predetermined period of time sufficient for the compressed air from 5 to supply a predetermined amount of grease (set by the timer on the valve unit 76 side)
Only, the pressure is supplied to the boost pump unit 16a via the valve unit 76 and the air line 77. One greasing operation is performed with the air pressure supplied for the predetermined time.

The rotary kiln slipper portion greasing device thus constructed operates as follows. The oil supplied from the grease pump 70 in a state where there is no air pressure in the air supply line 77 is sent to the storage chamber 49 of the fixed amount oil supply means 13 through the oil supply line 71 and the valve 72, and retreats the small piston 48. Let it. In an initial state in which the greasing lines 73 and 74 are not filled with the fat, they are filled in advance by an appropriate operation.
When compressed air is supplied from the air supply line 77 in this state,
When the valve 72 is closed, the inlet 50 side of the storage chamber 49 is closed, and the pressure set by the pressure reducing valve 66 is applied to the large cylinder 52 by the supply / discharge port 5.
The grease supplied from 2a and in the storage chamber 49 is discharged from the outlet 51.
And feeds it to the greasing line 73 to keep the greasing pressure constant. Further, the supplied compressed air is supplied to the air cylinder 40 through the air supply lines 79 and 80 through the valve 61, so that the swing arm 24 is moved from the retracted position to the operating position. As a result, each of the detection bodies 23 sequentially rotates, and the swing arm 24 is repeatedly rotated by an angle θ2 and then separated, so that the cam 36 driven by the swing arm 24 moves the shot valve 12 through the one-handed lever 37. It is opened and closed, and the oil is supplied from the nozzle 10 to the oil supply portion 21.

This lubrication state is continued until the tip of the rod 58 pushes the roller 63 away to switch the three-way valve 61. When the three-way valve 61 is switched, the air supply line 79 is evacuated from the three-way valve 61, so that the air cylinder 40 is evacuated, and the rod moves forward by the action of the spring 41 to move the swing arm 24 from the operating position to the retracted position. Let me restrain. As a result, the shot valve 12 is not opened and closed, and the closed state is maintained. When a predetermined supply time of the compressed air supplied from the valve unit 76 elapses and the air pressure in the air supply line 77 decreases, the valve 72
Are in communication with each other due to a decrease in the pilot pressure, and the air pressure in the pressure chamber of the large cylinder portion 46 also decreases. Therefore, the pressure in the storage chamber 49 also decreases, and the grease pump detects the decrease in the pressure, and the grease pump 70 operates. As a result, the grease pump 70 is stopped after the storage chamber 49 is refilled with the oil and fat, and enters a standby state. When compressed air is supplied to the air supply line 77 after an appropriate time elapses or at a predetermined greasing time by an appropriate control unit on the valve unit 76 side, one operation of the same operation as described above is performed. The fat is done.

The amount of greasing by one greasing is limited by the stroke of the small piston 48 of the small cylinder portion 45.
Therefore, since the fixed amount lubrication means 13 always operates with a predetermined set stroke, the amount of lubrication each time is constant without being affected by a change in viscosity of the grease due to a temperature change. Also, at the second to fourth fulcrums,
Shot valve units 15b to 15 similarly provided
When the boost pump units 16b to 16d are provided as close as possible to the oil supply line d, the oil supply line corresponding to the oil supply line 73 can have an extremely small pressure loss. Pump 70
Even at a position far from the nozzle, it is possible to supply oil to each nozzle at almost the same pressure. Therefore, even if lubrication is performed at different distances by one grease pump, lubrication can be performed to each nozzle at the same pressure.

[0021]

According to the first aspect of the invention, lubricating oil is stored between the valve and the pressurized lubricating oil source, and the predetermined amount regulated by the volume of the stored lubricating oil is controlled. Since the constant-pressure lubricating means for supplying the pressurized oil is provided, the amount of the lubricating oil injected from the nozzle becomes constant irrespective of the temperature, pressure and time. Therefore, since the amount of lubrication for a predetermined lubrication site is constant,
The present invention has the effect of solving the problem of burning due to insufficient supply of fats and oils, or wasteful consumption and contamination in the vicinity due to excessive supply of fats and oils. According to the second aspect of the present invention, the fixed-quantity lubricating means includes a cylinder filled with lubricating oil, a piston retracted in a state where lubricating oil is supplied to the cylinder, and a predetermined amount of the piston. A drive unit for pushing forward the lubricating oil in the cylinder to the nozzle side, so that the lubricating oil can be supplied at a desired pressure, whereby the nozzle can be injected with a sufficient pressure, and This has the effect of reliably lubricating the lubrication site where the nozzle is directed. Further, since the amount of fats and oils is determined by the cylinder and the piston, it is more accurate than that using a flow meter and can be manufactured at low cost. According to the third aspect of the present invention, since a pneumatic cylinder is applied to the drive unit and a booster pump system is used, the drive unit can be operated by a pneumatic signal, and the boost pump unit can be connected to a nozzle or valve (shot valve unit side). The pressure loss due to the long greasing line can be eliminated, and the lubricating oil supply pressure to the nozzle can be made high and constant, so that the jetting of the lubricating oil from the nozzle is stabilized. Therefore, it is possible to provide an automatic lubrication device that accurately supplies a fixed amount of the lubricating oil. According to the invention as set forth in claim 4, by adjusting the oil supply amount according to the rotation speed of the rotary kiln by the oil supply amount adjustment mechanism, it is possible to prevent shortage and excessive supply of the oil supply amount due to fluctuations in the rotation speed. it can.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a schematic configuration of an embodiment of the present invention and a circuit configuration of piping for air and lubricating oil.

FIG. 2 is a front view showing the shot valve unit of the embodiment together with a relationship with a kiln.

FIG. 3 is a schematic side view of the shot valve unit of the embodiment.

4A and 4B show a quantitative lubrication means of the embodiment, wherein FIG. 4A is a partially longitudinal front view, FIG. 4B is a plan view, and FIG. 4C is AA of FIG.
It is a sectional enlarged view.

FIG. 5 is a vertical cross-sectional view of a rotary kiln embodying the present invention, showing the vicinity of a tire.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rotary kiln main body 2 Slide block 3 Tire 4 Roller 5 Reinforcement rib 10 Nozzle 11 Detecting means 12 Valve (shot valve) 15a Shot valve unit 16a Boost pump unit 20 Base frame 21 Greasing part 23 Detector 24 Swing arm 36 Cam 40 Air Cylinder 45 Small cylinder 46 Large cylinder 49 Storage chamber 70 Grease pump 75 Air source

Claims (4)

(57) [Claims] 1. A nozzle directed to a position through which a swirling predetermined greasing portion of a rotary kiln slipper section passes, detecting means for detecting a period in which the nozzle faces the greasing portion, and detecting means for the detecting means. A rotary kiln slipper unit lubricating apparatus including a valve that opens and opens a passage between the nozzle and the pressurized lubricating oil source based on the detection. A rotary kiln slipper unit lubricating device, characterized in that a fixed amount lubricating means is provided for storing lubricating oil and for pressurizing and supplying a predetermined amount regulated by the volume of the stored lubricating oil. 2. The rotary kiln slipper unit lubricating device according to claim 1, wherein the fixed-quantity lubricating unit is retracted in a state in which the cylinder is filled with lubricating oil and the lubricating oil is supplied into the cylinder. A rotary kiln slipper unit lubrication device, comprising: a piston that moves forward; and a drive unit that advances the piston by a predetermined amount to push out the lubricating oil in the cylinder toward the nozzle. 3. The rotary kiln slipper greasing device according to claim 2, wherein another pneumatic cylinder having a diameter larger than the diameter of the cylinder and the piston is applied to the drive unit, and the lubricating oil is pushed out by a booster pump. A rotary kiln slipper unit lubricating device characterized by using a system. 4. The lubricating device of the rotary kiln slipper according to claim 2, wherein when the piston advances by a predetermined amount, the lubrication is stopped, and the predetermined amount can be set to an arbitrary position. A rotary kiln slipper unit lubrication device comprising an adjustment mechanism.