JP2501999Y2 - Brick carrier for brick loader - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brick conveying device for a brick laying machine that carries bricks from the bottom of a metal refining furnace such as a converter.

[0002]

2. Description of the Related Art First, regarding a conventional brick laying machine of this type, refer to those disclosed in Japanese Patent Publication No. 48-6003 shown in FIG. 8 and those disclosed in Japanese Patent Publication No. 53-39241 shown in FIG. While explaining.

In FIG. 8, reference numeral 61 is a converter, and 62 is a traveling frame located directly below a furnace bottom opening 63 of the converter. The guide casing 6 supported by the traveling frame 62.
4, 65, 66 guide the telescopic lifting rods 67, 68, 69, and the telescopic lifting rods 67, 68, 69 raise the work platform 70 to a desired height in the converter 61. . A basket 71 for storing bricks is hung by a tension rope 73 of a jib crane 72 fixed to the work platform 70 and movable between the work platform 70 and the traveling path 74. According to this brick stacking apparatus, the work platform 70 on which a plurality of brick stacking workers are riding is elevated to a predetermined height in the converter 61 by the telescopic lifting rods 67, 68, 69, and then the traveling path 74 is used. The brick for lining in the converter, which has been transported, is carried into the basket 71, and the jib crane 7
The basket 71 is lifted up to the work platform 70 by 2 and the brick stacking worker stacks the bricks in the basket 71 at a predetermined position in the converter 61 for lining (hereinafter, referred to as "prior art I").

In FIG. 9, reference numeral 81 is a metallic shell (corresponding to a converter furnace shell), and a hoist 83 is attached to a beam 82 above the shell. The hoist 83 can move the cylindrical tower 84 and the box 85 up and down. A rotary table 86 is arranged at the upper end of the tower 84.
Supports a collapsible platform 87 on which a brick laying worker is placed. According to this brick stacking apparatus, the bricks transported by the forklift truck 88 are transferred to the box 85, and then the tower 84 and the box 85 are pulled up to a predetermined position in the shell 81 by using the hoist 83, and the box is further moved. Only the 85 is pulled up to the position of the rotary table 86 by the hoist 83, and the brick stacking worker on the platform 87 stacks the bricks in the box 85 at a predetermined position in the shell 81 (hereinafter, lined.
"Conventional technology II").

[0005]

By the way, it is necessary to provide a predetermined space between the converter and the floor surface for moving the ladle car and the like and for installing the brick stacking device and the like. As a result, the lower surface of the converter is often located 7 to 8 m or more above the floor surface. Further, most of the converters themselves have a furnace height of 10 m or more. Therefore, as in the prior art I, the basket 71 on which the brick block is placed by the jib crane 72.
Need to be lifted up to the work platform 70 each time, so the handling is troublesome and the work is not quick, and the weight of the worker is 30 kg from the brick block transported to the work platform 70.
It is necessary to carry each of the bricks in front and back to the vicinity of the wall of the furnace one by one, which is very laborious and labor intensive, and as a result, the efficiency of the brick laying work is inevitably reduced.

In the case of the conventional technique II, the conventional technique I is low in the efficiency of brick laying work (particularly brick conveying work).
In addition to the problems described above, there are the following problems. That is, since a space for installing a lifting device such as a hoist is required in the upper part of the furnace, it is necessary to make the building large and the equipment cost becomes high. In addition, it is indispensable to install exhaust gas equipment such as a hood for discharging the gas generated as a result of the metallurgical reaction in the converter at the upper part of the converter. Becomes complicated and maintainability deteriorates.

An object of the present invention is to provide a brick transfer device for a brick laying machine, which is capable of rapidly transferring the bricks one by one from the bottom of the furnace to an arbitrary height position steplessly with high work efficiency. It is in.

[0008]

In order to achieve the above object, a brick conveying device for a brick laying machine according to the present invention has a plurality of telescope type cylinders standing on a lower fixing member and pushed up to the telescope type cylinders. In the case where the upper movable member is provided as much as possible, a plurality of fixed sprockets are provided on the lower fixed member, and a movable body that laterally moves in association with the telescopic operation of the telescope type cylinder is provided. A sprocket is provided, and a chain is endlessly laid between the lower fixed member and the upper movable member through the fixed sprocket and the movable sprocket to form a loop-shaped chain, and a large number of brick conveyors are provided on the loop-shaped chain. It is characterized by that. In addition, a plurality of telescope type cylinders are erected on the lower fixed member, and an upper movable member is provided on the telescopic type cylinder so that the upper movable member can be pushed up. A sprocket is provided, the lower sprocket is configured to move in association with the extension operation of the telescope type cylinder, and extends from the lower fixed member to the upper movable member in an L shape along the telescope type cylinder. It is characterized in that a chain of two rows and two lines is endlessly laid between the lower sprocket and the upper sprocket to form a loop-shaped chain, and a large number of slats, which are brick conveyors, are provided on the loop-shaped chain.

[0009]

[Operation] The telescope type cylinder is extended to insert the upper movable member into the furnace from the bottom of the furnace and set at a predetermined position, and then the brick is placed on the brick carrier attached to the looped chain and the upper upper movable member is placed. It is transported to a position where bricks are received and transported to the furnace wall surface by brick unloading means such as a conveyor or a handling robot.

When raising the upper movable member, it is necessary to increase the length of the chain formed in the loop in the vertical direction along the cylinder, following the extension of the telescope type cylinder. However, the chain feed mechanism attached to the loop-shaped chain automatically feeds the chain, and the length of the loop-shaped chain between the lower fixed member and the upper movable member along the cylinder is automatically adjusted. Follow up for a long time.

Thus, the bricks can be quickly and steplessly conveyed to a predetermined position in the height direction of the furnace by steplessly raising and lowering the upper movable member, and the bricks can be conveyed by a conveyor or a handling robot. Brick can be mechanically transported or stacked one by one to the furnace wall surface.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. [Embodiment 1] FIG. 1 is a side view of an entire brick laying machine including a brick conveying device according to a first embodiment of the present invention.
[Fig. 3] is a side view showing a state where brickworking work is being performed in a furnace using this brick laying machine. As shown in FIG. 1, the brick laying machine M includes an upper movable housing (also referred to as an upper movable member) 2, a lower fixed housing (also referred to as a lower fixed member) 3, and an upper movable housing 2 which are placed on a traveling carriage 1. A telescope type cylinder 4 for vertically moving up and down, a brick conveying means 5 by a chain formed in a loop, a chain feeding means 6 capable of laterally moving on a traveling carriage 1 attached to this, a brick introducing means 7, an upper movable housing. It is mainly configured by a brick unloading arm 8 and a brick unloading conveyor 9 and other unloading means.

The brick intake means 7 is provided in the lower fixed housing 3 and is constructed so that it can be erected up and down by a fluid pressure cylinder 7a via a link mechanism. A pretreatment device that cuts out one brick block (not shown) is connected to the brick intake means 7.

A plurality of telescopic cylinders 4 are erected on the base of the lower fixed housing 3, and the rod ends of the telescopic cylinders 4 are connected to the upper movable housing 2 so that they can be pushed up. Is configured.

The brick conveying means 5 comprises the upper and lower housings 2,
Chain 10 mounted between 3 and formed in a loop shape
(Hereinafter, also referred to as “loop-shaped chain”), and further, the loop-shaped chain 10 is provided with a chain feeding means 6.

That is, the chain 10 that meshes with the chain drive motor 11 arranged in the lower fixed housing 3 has upper and lower fixed sprockets 12 and 13 (one is attached to the lower fixed housing and the other is attached to the upper movable housing) and also forms a loop. In order to achieve this, the chain 10 is looped between the guide sprocket 14 arranged in four stages in the lower fixed housing 2 and the moving sprockets 15 arranged in three stages on the moving body 6A constituting the chain feeding means 6. There is.

In the chain feeding means 6, the rotary motor 16 rotationally drives the ball screw 17 in conjunction with the expansion / contraction operation of the telescope type cylinder 4, and the mover 6a screwed to the ball screw 17 laterally moves by a screw action. By doing so, the entire moving body 6A including the guide sprocket 15 is configured to laterally move. Therefore, the chain feeding means 6 is interlocked with the expansion and contraction of the telescope type cylinder 4.
By this action, the loop-shaped chain 10 is automatically fed, and the length of the loop-shaped chain in the vertical portion between the upper and lower housings 2 and 3 automatically changes and follows.

The loop chains 10 are hung from buckets (brick carrier) 18 for transferring bricks at regular intervals (see FIG. 2) and receive bricks R one by one from the brick intake means 7. The bricks are transported to the upper movable housing 2 by moving the chain.

The upper movable housing 2 is a fixed table 2.
A, and a swivel housing 2B configured to swivel therewith
Consists of The swivel housing 2B is configured to swivel on the fixed table 2A via a swivel bearing 2C. The fixed sprocket 1 is mounted on the fixed table 2A.
2 and a receiving table 21 which is arranged in the vicinity thereof and which can be raised and lowered by a brick gripping clamp 19 and a fluid pressure cylinder 20. Further, a brick unloading arm 8 is pivotally mounted on the ceiling portion of the swivel housing 2B.
The foldable brick carry-out conveyor 9 is mounted on the swivel housing 2B. Brick unloading conveyor 9
Rotates with the swivel housing 2B, and therefore bricks are mechanically conveyed in the circumferential direction of the furnace without the help of an operator.

FIG. 2 shows a state in which the telescope type cylinder 4 is extended and the upper movable housing 2 is positioned in the furnace in order to perform brick laying by using the brick laying machine M.

In the brick stacking, the upper movable housing 2 is inserted into the furnace from the bottom opening of the converter 22, and the stacks are sequentially stacked upward from the lower part of the furnace. It will grow. At this time, as the upper movable housing 2 rises, the length of the vertical portion of the loop-shaped chain 10 (the chain between the upper and lower housings 2 and 3) also needs to follow and expand. This is performed by moving the moving body 6A in the lateral direction by the chain feeding means 6. That is, the rotation motor 16 rotationally drives the ball screw 17 in conjunction with the extension of the telescope type cylinder 4, and the mover 6a screwed to the ball screw 17 laterally moves by a screw action to guide the guide sprocket 1
By laterally moving the moving body 6A in which 5 are arranged, the chain length of this portion is shortened, and the chain length of the vertical portion is lengthened accordingly, so that the extension of the telescope type cylinder 4 can be followed. There is. Upper movable housing 2
Is the most elevated, that is, telescope type cylinder 4
When the vehicle is fully extended, the moving body 6A can reach the position of the virtual line on the right side.

Here, the outline of the brick transportation will be explained.
After extending the telescope type cylinder 4 by a predetermined amount and setting the upper movable housing 2 at a predetermined position in the furnace, the bricks R cut out one by one from the pretreatment device and supplied are placed in a horizontal position. The intake means 7 receives and the fluid pressure cylinder 7a is extended to erect the brick intake means 7. At this time, the chain drive motor 11 is already in the operating state, and the brick-carrying bucket (brick carrier) 18 is also moving on the loop-shaped chain 10.

The upright brick R is received by the bucket 18, and the bucket 18 is raised as the chain 10 is raised to convey the brick R upward. When the bucket 18 reaches the fixed table 2A of the upper movable housing 2, the brick R is clamped by the brick gripping clamp 19, and the cylinder 20 operates in conjunction with this to move the table 21 from the standing state to the lying state. . Table 21
The upper brick is gripped by the suction pad at the tip of the brick unloading arm 8 and placed on the predetermined brick unloading conveyor 9.

The bricks are automatically fed to the furnace wall on the carry-out conveyor 9 and are piled up here. Brick unloading conveyor 9 is swung by a predetermined amount by swiveling swivel housing 2B, and bricks are piled in the circumferential direction in the furnace. Next, the telescope type cylinder 4 is gradually extended to perform brick-laying on the next stage. By repeating such work, bricks are piled in the entire furnace.

Second Embodiment FIG. 3 shows a brick conveying device and its peripheral devices according to a second embodiment of the present invention. FIG. 4 is a perspective view of the brick conveying means, and FIGS. 5 and 6 are plan views of a movable deck and a swing deck, respectively. As shown in these drawings, the pretreatment device 23 is installed on the traveling carriage 31. Although not shown,
A brick pallet is placed on the pretreatment device 23 and is sequentially sent upward by a lifter, where the bricks are supplied by the pusher 24 one by one to the brick conveying means 35 via the conveyor 25. The traveling carriage 31 forms a lower fixed deck (also referred to as a lower fixed member), and a plurality of telescope type cylinders 34 are erected on this fixed deck, and an annular shape is provided at the rod tip end thereof. Upper movable deck (also called upper movable member) 3
2 are connected so that they can be raised and lowered. On the movable deck 32, there is provided a swing deck 33 configured to be freely rotatable,
Moreover, a turntable 40 with a pusher 40b is provided between the movable deck 32 and the swing deck 33 so as to be vertically reciprocable by a cylinder 40a. A pair of runout conveyors 39 are provided on the swivel deck 33 so as to face each other, and a mounting seat 42 for a handling robot 41 is provided on the swivel deck 33 beside each runout conveyor 39. As shown in FIG. 7, the handling robot 41 has an articulated arm 43, and a suction pad 43a is attached to the wrist thereof. Therefore, the bricks conveyed to the runout conveyor 39 can be gripped by the suction pads 43a and brought to a predetermined furnace wall position to perform brick stacking. It should be noted that the handling robot 41 can be installed on the mounting seat 42 in advance if the height to the bottom of the furnace is sufficient, but since there is usually no space for it, the handling robot 41 is installed above the converter as shown in FIG. It is carried out by the provided crane. In FIG. 7, 44 is a girder, 45 is a hoist movable on the girder 44, 46 is a vacuum pump for suction pads, and 47 is a control panel for a handling robot.

The brick conveying means 35 of this embodiment is composed of a slat conveyor (FIG. 4). This slat conveyor 35 is a traveling carriage 31 corresponding to a lower fixing member.
And extends in the L-shape along the telescopic cylinder 34 to the movable deck 32 which is the upper movable member. That is, the two-row two-series chain 35a is located at the rear position of the traveling carriage 31 and the lower sprocket 35c.
To the upper sprocket 3 at the upper movable deck 32 position
The chain is looped up to 5d, and the chain 3
Slat (brick carrier) 35 that moves in association with 5a
b is provided. The upper sprocket 35d is supported by a cross girder 32a which is erected on an annular movable deck 32. On the other hand, chain feed means 36 is arranged on the lower sprocket 35c. The chain feed means 36 is provided with a lead screw 37 that is rotated by a drive motor 38 along the chain, and a moving body 36A provided on the shaft of the lower sprocket 35c is screwed into the lead screw 37. There is. The drive motor 38 is operated in conjunction with the extension operation of the telescope type cylinder 34, and the lead screw 37 is rotated to move the moving body 36A.

Therefore, the slat 35b, which is a brick carrier,
The bricks R transferred above can be automatically sent out horizontally at the chain folding point at the top to be transferred onto the turntable 40 with pushers. The pusher 40b is formed in an L shape and can be moved horizontally by a chain drive 40c.
By the movement, the brick R mounted on the turntable 40 is pushed out to the runout conveyor 39 and transferred.

Incidentally, 1 cut out from the pretreatment device 23
It is also possible to supply the bricks one by one to the horizontal transportation position of the slat conveyor 35 which is a brick transportation means. This is because the slat conveyor 35 is originally a conveyor that can shift from horizontal transportation to vertical transportation while maintaining the same state. Here, the operation of the apparatus according to the second embodiment will be described. After the traveling carriage 31 is brought to a predetermined position as shown in FIG. 3, the telescope type cylinder 34 is extended to insert the upper movable member 32 from the furnace bottom opening and lifted to a predetermined position to set. At this time, as shown in FIG.
The upper sprocket 35d of the slat conveyor 35 attached to the upper part also rises. In conjunction with this, the drive motor 38
The moving body 36A is moved by the operation of, and the lower sprocket 35c is moved in the direction of the arrow in FIG.
The length of the vertical portion along the cylinder 34 (FIG. 3) of 5a is increased. That is, the upper sprocket 35d and the lower sprocket 35c are respectively from the position A to the position B in FIG.
Raise or move to a position. Looped chain 3 at the same time
5a is operating, and the slats 35b are circularly moved counterclockwise in the posture shown in FIG. On the other hand, the pretreatment device 2
The bricks cut out one by one from 3 are transferred onto the slats 35b of the slat conveyor 35 via the conveyor 25. When the slats 35b come to the predetermined positions one after another, the bricks are slid from the conveyor 25 one after another in synchronization with this.
It is automatically controlled to be supplied on the 5b. The bricks mounted on the slats 35b can reach the position of the upper sprocket 35d (chain folding position) as the loop-shaped chain 35a moves, and the bricks R are automatically transferred onto the turntable 40 when the slats 35b are folded back. The turntable 40 that has received the brick R is pushed up by the cylinder 40a to the level of the upper runout conveyor 39, and is rotated there until it coincides with the line of the runout conveyor 39. And pusher 4
The brick R is transferred onto the runout conveyor 39 by pushing 0b to the imaginary line position as shown in FIG. The bricks R on the runout conveyor 39 are gripped by the handling robot 41 sitting on the swivel deck 33, brought to a predetermined position on the furnace wall, and loaded there.

[0029]

Since the present invention is constructed as described above, it has the following effects. By forming a chain for brick transportation in a loop shape and operating the chain feeding means in conjunction with the telescopic type cylinder's expansion and contraction operation, the length of the loop chain that is the brick transportation means is tracked as the upper movable member rises. The bricks can be transported quickly and the bricks can be transported and stacked at a stepless position in the furnace.

In the configuration of the first embodiment, bricks are loaded from the bottom of the furnace without the need for an accessory for stacking bricks on the furnace, so that essential accessory equipment such as an exhaust gas hood can be efficiently installed on the furnace. It is possible to dispose them as desired, and the overall equipment configuration can be made compact.

Mechanically without the help of a worker by the brick unloading means provided in the upper movable housing as in the first embodiment, or by the handling robot installed on the swing deck as in the second embodiment. Bricks can be transported or stacked to the furnace wall.

[Brief description of drawings]

FIG. 1 is a side view of the entire apparatus when a brick stacker equipped with a brick conveying means according to a first embodiment of the present invention is provided on a traveling carriage.

FIG. 2 is a side view showing a state in which a brick laying operation is performed in a furnace by using a brick laying machine provided with the brick conveying means.

FIG. 3 is a side view of the brick conveying device and its peripheral devices according to a second embodiment of the present invention.

FIG. 4 is a perspective view of the brick conveying means.

FIG. 5 is a plan view of the upper movable deck.

FIG. 6 is a plan view of the lower fixed deck of the same.

FIG. 7 is a diagram showing how a handling robot is installed by a crane.

FIG. 8 is a side view of a conventional brick stacking device.

FIG. 9 is a side view of another conventional brick stacking device.

[Explanation of symbols]

M ... Brick loader 1, 31 ... Traveling carriage (lower fixed member) 2, 32 ... Upper movable member (upper movable housing or upper movable deck) 2A ... Fixed table 2B ... Swiveling housing 3 ... Lower fixed housing 4, 34 ... Tele Scope type cylinder 5,35 ... Brick carrier 6,36 Chain feed 10,35a Chain (loop-shaped chain)

Claims (2)

(57) [Scope of utility model registration request] 1. A standing multiple telescoping cylinder lower fixing member, in that provided capable upper movable member pushed the telescopic cylinder, the lower fixed
In addition to providing a plurality of fixed sprockets on the member,
It moves laterally in conjunction with the telescopic cylinder expansion and contraction operation.
A moving body provided with a plurality of moving sprockets.
Provided between the lower fixed member and the upper movable member.
Check the chain endlessly through the sprocket and moving sprocket.
Loops to form a looped chain.
A brick transfer device for brick laying machines, characterized in that a large number of brick transfer bases are provided on a chain . 2. A plurality of telescope type shields for the lower fixing member.
Install a Linda and push it up onto this telescope type cylinder.
When the upper movable member is installed to enable
The upper sprocket is attached to the member and the lower fixing part
The lower sprocket is installed on the material, and this lower sprocket is
Moves in conjunction with extension of the telescope type cylinder
The telescope type seal from the lower fixing member.
And extends in an L shape up to the upper movable member
Attach the chain of Nijo 2 series to the lower sprocket and upper sprocket.
Endlessly straddle the sprocket to form a loop-shaped chain
Is made up of a number of brick conveyors in the looped chain
A brick transfer device for a brick laying machine, which is provided with slats .