JPH08134464A - Device for positioning coke oven mover to furnace center - Google Patents

Abstract

PURPOSE: To provide a device for positioning a coke oven mover so that the center of the mover meets the center of a furnace from which the contents are to be discharged in various operations. CONSTITUTION: The device comprises: a lever 11 for detecting the backstay 4 of a furnace 2 from which the contents are to be discharged, when a coke oven mover has traveled near to the backstay 4; a means 6 for measuring the distance over which the mover has traveled after the detection of the backstay 4; and a means for sending a signal for stopping the mover when the difference between the distance measured with the means 6 and the distance between an edge of the backstay 4 and the center of the furnace reaches a given value. With this device, the center of a mover can accurately meet a furnace center without fail. Thus, the mover can be smoothly and automatically operated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for aligning a working core of a moving machine with a kiln core of a kiln to be removed from the kiln when the moving machine of a coke oven performs various operations.

[0002]

2. Description of the Related Art Coke ovens for producing coke include
Various mobile units are deployed, and each mobile unit travels to the designated target position for performing the kiln removal work, and after performing each predetermined work, travels to the next designated target position and stops. A series of work to do is done continuously.

Conventionally, this series of work has been carried out by a skilled operator who is on board a mobile machine of a coke oven.
Therefore, the deviation of the kiln core occurs due to individual differences of operators and operator's misjudgment, and as a result, the work core of the mobile machine and the kiln core of the kiln that is ejected do not match, and repeated slow speed stop operations such as inching are repeated. Caused work delay.

Also, the above work has recently been carried out by 3K work (dirty,
It is considered to be difficult and dangerous work, and there is an increasing demand for unmanned work such as this. A device disclosed in Japanese Patent Laid-Open No. 60-170691 has been proposed as a device that meets such a demand. In this system, a control device equipped with a computer travels to and stops at a designated target position based on position information from a position detection device and speed information from a speed detector.

[0005]

What is most important in unmanning a mobile machine of a coke oven is to perform a predetermined work including automatic traveling accurately and in the shortest time. As in the above-mentioned publication device, controlling and executing each work in accordance with a predetermined pattern by a control device equipped with a computer is different from the work performed by the operator in the past, which is caused by individual differences between operators. It was possible to eliminate the operator's misjudgment.

However, since there is no means for detecting whether or not the vehicle has traveled to the target position and stopped accurately,
Although the travel stop was performed according to the pattern, the control device on the mobile device or the master control device on the ground can determine whether or not the work core of the mobile device and the kiln core of the kiln to be exposed match. It was impossible. For this reason, there were many inconsistencies between the work core and the kiln core. If the work core and the kiln core do not match, the work is interrupted. In such a case, the operator has to go to the mobile unit and perform a work for aligning the work core and the kiln core (hereinafter referred to as core alignment). Therefore, it is impossible to avoid obstacles caused by delay in centering, such as delay in kiln removal work and delay in coal charging of coal car, resulting in reduced amount of cold coke cut out from dry fire extinguisher and amount of steam generation. Could not be prevented.

Further, if the above situation occurs, the kiln removal work becomes irregular, and the coke placement time after carbonization will vary from kiln to kiln and the quality of coke will be degraded.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus capable of surely performing centering in order to solve the above problems.

[0009]

The present invention has the following objects.
Backstay detecting means for detecting the backstay of the kiln to be removed from the kiln, and distance measuring means for measuring the moving distance of the mobile device after the backstay detecting means detects the backstay,
The distance measuring means compares the distance measured by the distance measuring means with the distance from the end of the backstay to the kiln core, and the distance comparing means outputs a command to stop the mobile unit when the difference reaches a predetermined value. This is achieved by a kiln core aligning device for a coke oven moving machine, which is characterized in that

Further, the backstay detecting means may be composed of a detecting lever which is in a position where it comes into contact with the backstay at the detecting position and which does not come into contact with the backstay in the standby position.

Further, the distance measuring means may be a measure cylinder and the detection lever may be connected to the measure cylinder.

[0012]

According to the apparatus of the present invention, the backstay detecting means detects the backstay of the kiln which is to be taken out of the kiln, and the moving distance after the detection is measured by the distance measuring means. When the distance from the end of the back stay input in advance to the kiln core becomes a certain difference, the mobile machine is stopped, so the working core of the mobile machine and the kiln core to be taken out can be surely and accurately matched. .

Further, by configuring the backstay detecting means by a detection lever which is in a position where it comes into contact with the backstay at the detection position and which does not come into contact with the backstay in the standby position, in a place where the environment is bad. Also, the backstay position can be reliably detected.

The distance measuring means is a measure cylinder,
If the detection lever is connected to the measure cylinder, there will be no measurement error due to slip, etc. unlike a touch roller that measures distance by contact rotation.
More accurate alignment is possible.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view showing an embodiment of the device of the present invention. In FIG. 1, 1 is a coke oven, 2 is a kiln (carbonization chamber), and 3 is a combustion chamber provided between kilns. Four
Is a back stay standing on both sides of the combustion chamber 3. A mobile machine 5 is a coke guide vehicle or an extruder that travels on a rail provided along the coke oven 1.

Measure cylinder 6 as distance measuring means
However, the cylinder rod 7 is fixedly provided on the mobile unit 5 so that the expansion / contraction direction of the cylinder rod 7 is parallel to the traveling direction of the mobile unit 5. The measure cylinder is a cylinder with a position detector in which the linear detector of the position detector is built into the rod of the cylinder. This is because concentric (or spiral) magnetic material parts and non-magnetic material parts are alternately arranged in the rod at equal pitches, and the primary detection coil and the secondary induction coil are arranged in the position detection head part. Are located in the magnetic shield core. And the two primary coils are a sin
When the rod is moved by exciting with the ωt signal and the a cos ωt signal respectively, the magnetic resistance of the magnetic circuit formed by the signal excitation changes, and this magnetic resistance change appears as a change in induced voltage to the secondary coil. The measure cylinder detects the movement amount of the rod based on the change in the induced voltage of the secondary coil, and can be used as a normal working cylinder. Reference numeral 8 denotes a movable base provided on the mobile unit 5 so as to be movable in parallel with the traveling direction of the mobile unit. The clevis 9 is locked to a shaft 10 which is erected on the movable table 8. The L-shaped detection lever 11 is rotatably attached with its bent portion fitted to the shaft 10. Further, the operation cylinder 12 is rotatably attached with its rear end fitted to a shaft 13 provided upright on the movable table 8. The rear end of the detection lever 11 is rotatably connected to a clevis attached to the tip of the cylinder rod of the operating cylinder 12.

Therefore, by contracting or extending the cylinder rod of the working cylinder 12, the detection lever 11 can be rotated about the shaft 10 as a fulcrum toward the coke oven side or the anti-coke oven side. Further, when the moving machine 5 travels in front of the backstay 4 of the kiln 2a from which the kiln is taken out, if the detection lever 11 is rotated to the coke oven side, the detection lever 11 hits the end 4a of the backstay. When the mobile unit 5 continues to travel, the detection lever 11
Is in contact with the end of the backstay, the movable table 8 moves on the mobile machine in the direction opposite to the traveling direction of the mobile machine 5. Due to the movement of the movable table 8, the cylinder rod 7 is pulled out from the measure cylinder 6 by the moving distance of the moving machine 5 from the end 4a of the backstay.

An on-board controller 14 is provided on the mobile unit 5. The on-machine controller 14 compares the distance measured by the measure cylinder 6 with the distance from the backstay end 4a to the kiln core, and issues a command to stop the mobile machine 5 when the difference reaches a specified value. It has a distance comparison means.
The specified value is set according to the position of the detection lever 11 in the initial state. That is, when the point of the mobile unit that should coincide with the kiln core at the stop position is the center of the mobile unit, (specified value) = ((position of the detection lever 11 in the initial state)-(center of the mobile unit))-((back Stay position)-(ceramic core)). A command for stopping the mobile device 5 is issued from the distance comparison means, and a rotation command is issued to the detection lever 11 from the rotation command means, and the detection lever 11 is rotated to the side opposite to the coke oven and disengaged from the backstay 4. . On the other hand, a master controller 17 is installed on the ground. This is the on-board controller 14
To give instructions regarding the movement and work of mobile devices. Information is transmitted between the onboard control device 14 and the master control device 17 via the onboard guidance wireless device 15 and the ground guidance wireless device 16 provided on the mobile device.

The detection of the kiln core by the apparatus of the above embodiment is performed as follows.

The master control device calculates the traveling distance of the mobile device and the position of the mobile device at that time based on the rotational speed information of the traveling wheels transmitted from the mobile device. This position information is transmitted to the onboard controller every moment. When the kiln to be taken out of the kiln is instructed from the master control device 17, the mobile device 5 automatically travels toward the specified kiln, stops at a fixed position when reaching a certain distance from the kiln, and then the low speed pattern. The vehicle travels (this traveling pattern is instructed by the master control device).

At the final stage of running, for example, 10 mm / sec
When the detection lever 11 reaches a certain distance from the backstay 4 (set position of 1 to 2 m) based on the position information from the master control device during the ultra-low speed traveling of the working cylinder 12, Operation command is given to the detection lever 1
1 is rotated from the retracted position to the detection position on the coke oven side. At this time, the detection lever 1 when located at the detection position
The movable base 8 is preliminarily positioned by the measure cylinder so that the working core of the moving machine (for example, the center of the lid removing machine), which will be described later, matches the extension surface of the contact surface 1 of the back stay 1 of FIG. ing.

When the mobile unit 5 continues to travel and the detection lever 11 hits the end portion 4a of the backstay, the movable table 8 moves in the direction opposite to the traveling direction of the mobile unit, and the cylinder rod 7 is pulled out so that the moving distance is reduced. To be measured.

The on-board controller 14 compares the input distance L _i from the backstay end 4 a of the kiln to the kiln core, and if the (measured value −L _i ) is within ± 10 mm, the kiln When it is determined that the core and the work core of the mobile unit are the same, the traveling of the mobile unit is stopped. If a deviation of more than 10 mm occurs on the + side, it is judged to be overshooting, and the deviation is super-low speed 1
The required time for traveling at 0 mm / sec is calculated, and only for that time, a command is issued to perform inching traveling at the ultra-low speed in the direction opposite to the initial traveling direction. Also, when a deviation of more than 10 mm occurs on the-side, it is determined that the mobile unit has stopped before the kiln core, the required time is calculated in the same manner as above, and the first time at the ultra-low speed is calculated for that time. Issue a command to perform inching travel in the same direction as the travel direction. When the inching run is completed, it is determined that the kiln core and the work core of the mobile unit match.

After the kiln core and the work core of the mobile unit match,
In response to a command from the onboard controller 14, the detection lever 11 is rotated to the retracted position, and the movable table 8 is pulled back to the original reference position by the measure cylinder 6. Then, the subsequent work is executed.

FIG. 2 is an explanatory view showing another embodiment of the device of the present invention. 2, the same parts as those in FIG. 1 are designated by the same reference numerals. A touch roller 20 as a distance measuring unit is attached to the mobile unit 5. This touch roller 2
0 is in contact with a traveling rail or the like to measure the traveling distance of the mobile device 5 or returns to the retracted position in response to a command from the control device. Reference numeral 10 is a shaft that is erected on the mobile device 5. The bent portion of the L-shaped detection lever 11 is connected to the shaft 1
It is fitted to 0 and is rotatably attached. The contact sensor 20 is attached to the tip of the detection lever 11, and when the detection lever 11 hits the end 4a of the backstay, it sends a signal to the control device.

It should be noted that the detection lever 11 extends on the contact surface of the contact sensor 21 with the end of the backstay when the detection lever 11 is located at the detection position, and the work core of the mobile machine (for example, the center of the lid removing machine) to be described later. ) Is attached to the position corresponding to.

Further, the working cylinder 12 is rotatably attached with its rear end fitted to a shaft 13 provided upright on the moving machine 5. And the rear end of the detection lever 11 is
It is rotatably connected to a clevis attached to the tip of the cylinder rod of the working cylinder 12.

The kiln core alignment of the apparatus of this embodiment is performed as follows.

When the kiln to be taken out of the kiln is designated by the master control device 17, the mobile device 5 automatically travels toward the specified kiln and stops at a fixed position.

At the final stage of running, for example, 10 mm / sec
When the vehicle runs at a very low speed, the on-board controller 14 detects the detection lever 1
When 1 reaches a certain distance from the backstay 4, an operation command is given to the operation cylinder 12 to rotate the detection lever 11 from the retracted position to the detection position on the coke oven side.

When the mobile device 5 continues to travel and the detection lever 11 hits the end portion 4 a of the backstay, a signal is sent from the contact sensor 21 to the onboard controller 14.

When the onboard controller 14 receives the signal, the onboard controller 14 issues a command to the operating cylinder 12 and the touch roller 20, the detection lever 11 rotates to the retracted position, and the touch roller 20 runs. The distance traveled by the mobile unit is measured by touching the rail.

The on-board controller 14 compares the distance L _i from the backstay end 4 a of the kiln to the kiln core that is input, and if the (measured value −L _i ) is within ± 10 mm, the kiln When it is determined that the core and the work core of the mobile unit are the same, the traveling of the mobile unit is stopped. If a deviation of more than 10 mm occurs on the + side, it is judged to be overshooting, and the deviation is super-low speed 1
The required time for traveling at 0 mm / sec is calculated, and only for that time, a command is issued to perform inching traveling at the ultra-low speed in the direction opposite to the initial traveling direction. Also, when a deviation of more than 10 mm occurs on the-side, it is determined that the mobile unit has stopped before the kiln core, the required time is calculated in the same manner as above, and the first time at the ultra-low speed is calculated for that time. Issue a command to perform inching travel in the same direction as the travel direction. When the inching run is completed, it is determined that the kiln core and the work core of the mobile unit match.

After the kiln core and the working core of the mobile unit are aligned,
Subsequent work is carried out.

[0035]

The coke oven moving machine kiln center aligning apparatus of the present invention measures the moving distance of the moving machine from the end of the backstay closest to the kiln to be removed by the distance measuring means, and the measured distance is Since the mobile unit is stopped when the distance from the end of the backstay to the kiln coincides, the working core of the mobile unit can be accurately and surely aligned with the kiln core. Therefore, it is possible to prevent an abnormal work stop due to a deviation between the kiln core of the conventional apparatus and the work core of the moving machine, and it is possible to enable smooth unmanned operation of the coke oven moving machine.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an embodiment of the device of the present invention.

FIG. 2 is an explanatory view showing another embodiment of the device of the present invention.

[Explanation of symbols]

 2 Kiln 4 Backstay 4a Backstay end 5 Mobile unit 6 Measure cylinder 7 Cylinder rod 8 Movable platform 11 Detection lever 12 Actuating cylinder 14 Onboard control device 15 Onboard guidance wireless device 16 Ground guidance wireless device 17 Master control device 20 Touch roller

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuhide Kuniyoshi 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Japan Steel Pipe Co., Ltd. (72) In-house Yasuhiro Kawaguchi 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Date Inside the Steel Pipe Co., Ltd. (72) Inventor Masahiro Urayasu 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Japan Steel Pipe Inside (72) Inventor Hirokazu Takahashi 1-2-1 Marunouchi, Chiyoda-ku, Tokyo Nippon Steel Pipe Within the corporation

Claims (3)

[Claims] 1. A backstay detecting means for detecting a backstay of a kiln to be removed from a kiln, a distance measuring means for measuring a moving distance of a mobile unit after the backstay detecting means detects the backstay, and a distance measuring means. The distance comparison means compares the measured distance and the distance from the end of the backstay to the kiln core, and outputs a command to stop the mobile unit when the difference reaches a predetermined value. Coke oven moving machine kiln core alignment device. 2. The coke oven moving machine according to claim 1, wherein the buckstay detection means comprises a detection lever which is in a position where it comes into contact with the backstay at the detection position and which is not in contact with the backstay at the standby position. Kiln core alignment device. 3. The kiln centering device for a coke oven moving machine according to claim 2, wherein the distance measuring means is a measure cylinder, and the detection lever is connected to the measure cylinder.