JPH1044988A - Carriage device provided with auxiliary rail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce cost and to save labor for maintenance. SOLUTION: An auxiliary rail 9, which is arranged in a traverse carriage 2, is freely moved between an action position 30, in which the auxiliary rail 9 is extended from a main rail 6, and a non-action position 31, in which the auxiliary rail 9 is retracted from the operation position 30. While the traverse carriage 2 is positioned in front of an autoclave, the auxiliary rail 9 is held in the action position 30. In this way, an elevating carriage 3 can be moved from the main rail 6 to the second fixed rail 38 via the auxiliary rail 9 when the auxiliary rail 9 and the second fixed rail 38 are connected together. As the auxiliary rail 9 is arranged in the traverse carriage 2, converter slag can be conveyed not only to the autoclave but also to other facilities if necessary without requiring installation of any additional auxiliary rail 9, so that reductions in cost and in maintenance labor can be accomplished.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bogie device having an auxiliary rail for accommodating, for example, a granular material in a basket and transporting it.

[0002]

2. Description of the Related Art For example, when aging converter slag, slag carried out of a converter is piled up in the field for a long time, and then reformed by blowing high-temperature gas containing steam into the slag in an autoclave. Then, they are changed to useful materials and collected. The transport of the slag is performed using a bogie device, and the bogie device includes a first bogie and a second bogie. The first cart is movable on a first fixed rail laid in the factory, and a rail extending in a direction intersecting with the laying rail is provided on an upper surface of the first cart. The second trolley is movable on rails of the first trolley, and a basket containing slag is mounted on the second trolley.

The slag is accommodated in a basket loaded on a second truck, and the first truck is moved to a position facing the entrance hatch of the autoclave with the second truck loaded. In the autoclave, a fixed rail is provided, and further, it can extend from this fixed rail,
The auxiliary rail is provided so as to be angularly displaceable, and the auxiliary rail is extended in a state where the first bogie is positioned at a position facing the entrance hatch of the autoclave.
Connected to the rail of the truck. In this state, the second carriage on which the basket containing the slag is mounted is moved into the autoclave, and the second carriage returns to the first carriage while leaving only the basket in the autoclave. After that, the auxiliary rail is retracted to close the inlet hatch of the autoclave, and in the autoclave, the slag is treated by blowing hot gas containing steam. After this process is completed, the entrance hatch is opened, the auxiliary rail is again connected to the rail of the first bogie, the second bogie is moved into the autoclave, and the basket is loaded on the first bogie. And the first carriage is moved and transported to the subsequent processing facility or unloading position. As prior art of this type, for example, Japanese Utility Model Laid-Open No. 4-125501,
No. 0009.

[0004]

In such a conventional bogie device, an auxiliary rail is provided in a processing facility such as an autoclave, and it is necessary to transport a conveyed object such as slag to a plurality of processing facilities. In such a case, it is necessary to provide an auxiliary rail for each processing facility, which increases the cost, requires maintenance of a plurality of auxiliary rails, and requires time and effort for maintenance.

The auxiliary rail extends from the fixed rail by angular displacement and is connected to the rail of the first bogie. However, when the rail is located at a position slightly deviated from the fixed rail, the second bogie is moved. When moving from the rail of the first bogie to the fixed rail in the autoclave, or when moving from the fixed rail to the rail of the first bogie, when passing the connection position between this rail and the auxiliary rail,
The second cart rattles.

Further, a relatively heavy second truck (a bucket containing a slag is mounted) on the auxiliary rail.
Passes, the tread surface of the auxiliary rail is likely to be worn due to the repeated movement of the second bogie, and if the wear occurs, the entire auxiliary rail needs to be replaced, which increases the cost.

[0007] Accordingly, an object of the present invention is to provide a bogie device capable of reducing costs and reducing maintenance work. Another object of the present invention is to provide a second truck that moves smoothly without rattling when the second truck moves between a rail of the first truck and a fixed rail provided on the processing facility side. The object of the present invention is to provide a trolley device capable of performing the following.

[0008]

According to the present invention, there is provided a first carriage provided with a main rail extending in a predetermined direction, and a second carriage provided movably along the main rail of the first carriage. An auxiliary rail moving between an operating position extending from the moving rail and a non-operating position retracted from the operating position, adjacent to one end of the main rail. The auxiliary rail is freely provided, and the auxiliary rail is connected to a fixed rail laid at the predetermined position when the first carriage is positioned at the predetermined position and is held at the operating position. A bogie device with an auxiliary rail, which is a feature. According to the present invention, a first bogie and a second bogie are provided, and the first bogie is provided with a main rail extending in a predetermined direction, and the second bogie is movable along the main rail. . The transported object is mounted on a second carriage, the first carriage is moved to a predetermined position while the second carriage is mounted, and the second carriage is moved to a fixed rail provided at the predetermined position. Is done. In this way, the transported object is transported to the predetermined position. The first carriage is provided with an auxiliary rail, which is movable between an operation position extending from the main rail and a non-operation position retracted from the operation position. At the time of movement of the first bogie, the auxiliary rail is held at the non-operating position to prevent hindrance of the movement of the first bogie, and with the first bogie positioned at a predetermined position, the auxiliary rail is moved. By holding in the working position,
The auxiliary rail is connected to the fixed rail, and the moving rail and the fixed rail are connected via the auxiliary rail. In this state, the second carriage can be moved from the main rail to the fixed rail or from the fixed rail to the main rail through the auxiliary rail. The auxiliary rail connecting the main rail and the fixed rail as described above is provided on the first bogie, and even when it is necessary to convey an object to be transported to a plurality of predetermined positions, the auxiliary rail is located at the predetermined position. It is not necessary to install the auxiliary rail every time, and it is sufficient to provide it only to the first carriage. This can reduce the cost and reduce the maintenance work of the auxiliary rail.

The present invention also provides an end of the auxiliary rail and the fixed rail that is connected to each other, wherein the auxiliary rail and the fixed rail extend in a direction in which the auxiliary rail and the fixed rail extend. Are partially overlapped with each other, and the connecting portion of the end portion of the auxiliary rail and the fixed rail has both sides reduced toward the tip, and in the vicinity of the end portion of the fixed rail, A support seat for holding the auxiliary rail in the operating position is provided, and a support surface of the support seat extends in an arc shape so as to be convex upward in a direction approaching the fixed rail. It is characterized by being. According to the invention, each of the ends of the auxiliary rail and the fixed rail partially overlap each other in the direction in which the auxiliary rail and the fixed rail extend while the auxiliary rail is held in the operating position. Thereby, even if a gap is formed between the auxiliary rail and the fixed rail in a state where the auxiliary rail is held at the operation position, the auxiliary rail and / or the fixed rail can be formed.
Alternatively, a tread for supporting the second carriage of the fixed rail is provided continuously in the extending direction of the auxiliary rail and the fixed rail. Therefore, the second carriage can move smoothly when moving from the auxiliary rail to the fixed rail or from the fixed rail to the auxiliary rail, and the second carriage does not swing at the connection position. . Also, both side portions of the connecting portion at the ends of the auxiliary rail and the fixed rail are tapered toward the tip. With this configuration, when the auxiliary rail is located at the operation position, even if the auxiliary rail and the fixed rail are connected at a position slightly shifted in the width direction, the ends of both sides of the auxiliary rail are connected from the auxiliary rail to the fixed rail. The fixed rail is located within the width of the reaching rail, and the ends of both sides of the fixed rail are located within the width of the rail. Therefore, even if the second rail is connected at a position where the auxiliary rail and the fixed rail are slightly displaced in the width direction, the second carriage can be moved from the auxiliary rail to the fixed rail.
Alternatively, when moving from the fixed rail to the auxiliary rail, the guide is smoothly guided, and the second bogie does not swing at the connection position. Further, the receiving surface of the support seat for holding the auxiliary rail at the operation position extends in an arc shape so as to protrude upward in a direction approaching the fixed rail. With this, even if the auxiliary rail is slightly bent so as to be convex downward while being held at the operation position, the holding position of the auxiliary rail on the receiving surface moves smoothly, and the bending operation is smoothly permitted. can do. Therefore, when the second carriage moves on the auxiliary rail, even if the auxiliary rail is slightly bent downward due to the weight of the second carriage,
The second bogie does not shake.

Further, the present invention is characterized in that the auxiliary rail comprises an auxiliary rail main body and a top plate forming a tread for supporting the carriage, and the top plate is detachably mounted on the auxiliary rail main body. And According to the present invention, the auxiliary rail has the top plate that is detachable from the auxiliary rail main body, and the top plate can be detached and replaced. Thus, when the second carriage repeatedly moves on the auxiliary rail and the tread surface of the top plate is worn, only the top plate needs to be replaced. Therefore, the tread surface of the auxiliary rail can be improved at low cost.

[0011]

FIG. 1 is a perspective view schematically showing a configuration of a bogie device with an auxiliary rail according to an embodiment of the present invention, and FIG. 2 is a side view schematically showing the configuration of the bogie device 1. FIG. 3 is an enlarged side view showing the vicinity of the auxiliary rail in FIG. The granular material discharge device (hereinafter, abbreviated as “discharge device”) 1 which is a trolley device with an auxiliary rail is basically
The vehicle includes a trolley 2 as a first trolley and a lifting trolley 3 as a second trolley.

The traversing carriage 2 is made of, for example, a structural steel material framed in a rectangular shape, and the traversing carriage 2 is provided with a plurality of (for example, four) wheels 4. The motor 11 is driven to rotate. A pair of first fixed rails 5, which are perpendicular to the paper surface in FIG. 2 and extend in substantially horizontal left and right directions A1 and A2, are laid on the floor F of the workplace where the discharge device 1 is installed. Can drive each wheel 4 to move leftward on the first fixed rail 5 to the left A1 and rightward to the right A2.

The lift truck 3 is made of, for example, a structural steel material framed in a rectangular shape. The lift truck 3 is provided with a plurality of (for example, four) wheels 7, and is provided with a second lift truck 3. Is rotationally driven by the motor 12. The trolley 2 has a left-right direction in FIG.
A pair of main rails 6 extending substantially horizontally in front-rear directions B1 and B2 substantially perpendicular to A1 and A2 are provided, and the lift truck 3 drives each wheel 7 to move forward on the main rails 6. B
1 and backward B2.

A basket 8 is provided on the lift truck 3, and the converter slag is stored in the basket 8.
The converter slag can be mounted on the lift truck 3. With such a configuration, the converter slag accommodated in the basket 8 can be moved to any position by combining the movement of the traversing carriage 2 and the lifting carriage 3.

The trolley 2 is provided with auxiliary rails 9 adjacent to one end of each main rail 6 in the same direction B1 or B2. Each auxiliary rail 9 is rotatably supported via a rotary shaft 36 having a base end 49 having an axis L1 extending substantially parallel to the left-right directions A1 and A2.
Thereby, between the operation position 30 that extends substantially horizontally from each of the moving rails 6 in the front-rear direction B1 and B2, and the non-operation position 31 that retreats upward from the operation position 30 and is disposed substantially vertically. , Around the axis L1 so as to be angularly displaceable in the connecting direction C1 and the retreating direction C2.

Further, the transverse carriage 2 is provided with angular displacement driving means 32 (only one of which is shown in the drawing) for angularly driving each of the auxiliary rails 9. Each angular displacement driving means 32 includes a hydraulic cylinder 33 and an angular displacement And a piston rod 35 of the hydraulic cylinder 33 is connected to the angular displacement member 34. Each hydraulic cylinder 33 is provided on the traversing carriage 2 so as to be swingable about an axis L2 parallel to the axis L1, is a double-acting hydraulic cylinder, and operates from a hydraulic source (not shown) provided on the traversing carriage 2. Oil is supplied to extend / retract the piston rod 35. Each angular displacement member 3
Reference numerals 4 are respectively fixed to the auxiliary rails 9, and the distal end portions 35a of the respective piston rods 35 are connected so as to be angularly displaceable. By using such angular displacement driving means 35, each auxiliary rail 9 is retracted in the connecting direction C1 by retracting each piston rod 35 backward B2, and extended in the retracting direction C2 by extending each piston rod 35 forward B1. Can be angularly displaced.

At a predetermined position along the first fixed rail 5, an autoclave 10 is installed. The autoclave 10 is a processing facility for reforming converter slag, and is a so-called kettle. The autoclave 10 has an inlet hatch 37 facing the first fixed rail 5. The inlet hatch 37 is opened, and converter slag is charged into the autoclave 10, and the converter slag contains steam in the autoclave 10. A high-temperature gas is blown in and heated and pressurized.

A pair of second fixed rails 38 extending in the front-rear direction B1 and B2 are laid in the autoclave 10, and each of the auxiliary rails is set in a state where the trolley 2 is positioned at a position facing the autoclave 10. By holding 9 in the operating position 30, each auxiliary rail 9 is connected to each second fixed rail 38, and each main rail 6 and each auxiliary rail 9 are connected. In this state, the lift truck 3 is moved from each main rail 6 to each second fixed rail 38 via the auxiliary rail 9, and the converter slag is charged into the autoclave 10.

The auxiliary rails 9 for connecting the main rails 6 and the second fixed rails 38 are provided on the traversing carriage 2, for example, when a plurality of autoclaves 10 are installed, or when the autoclave 10 is installed. When it is necessary to transport converter slag to other processing equipment other than 10,
There is no need to provide the auxiliary rail 9 for each autoclave 10 or for other equipment. In other words, the auxiliary rails 9 need only be provided on the traversing carriage 2, so that the cost can be reduced and the maintenance work is also reduced.

A lifting device 13 is provided on the lifting carriage 3, and can move the basket 8 up and down in vertical directions D1 and D2 perpendicular to the left and right directions A1 and A2 and the front and rear directions B1 and B2. Further, on the trolley 2, the mounting table 14
And an opening / closing drive device 15 is provided.

The trolley 2 is provided with a hydraulic cylinder 39. The hydraulic cylinder 39 is a double-acting hydraulic cylinder used for fixing the traversing carriage 2, and is supplied with hydraulic oil from the above-described hydraulic source, and
1 is extended / retracted. On the floor F at a predetermined position, a locking member 42 is fixed, and by extending the piston rod 41 and locking the distal end 41a thereof into a locking hole 42a formed in the locking member 42, The trolley 2 can be fixed. Accordingly, it is possible to prevent the trolley 2 from moving while the auxiliary rails 9 are held at the operation position 30, thereby preventing the discharge device 1 from being damaged.

Further, the trolley 2 has a hydraulic cylinder 40
Is provided. The hydraulic cylinder 40 is a double-acting hydraulic cylinder that is used to fix the lifting carriage 3 to the traversing carriage 2, and is supplied with hydraulic oil from the above-described hydraulic source to extend / retract a piston rod (not shown). You. A lock member (not shown) is fixed to the lift truck 3, and the piston rod is extended, and the distal end portion is locked in a lock hole formed in the lock member of the lift truck 3, thereby traversing. The lifting trolley 3 can be fixed to the trolley 2. Thereby, for example, it is possible to prevent a problem that the lift truck 3 is undesirably moved while the traverse truck 2 is moving.

As described above, the bogie apparatus 1 generally has means provided with the hydraulic cylinders 39 and 40 for fixing the transverse bogie 2 and the lift bogie 3. Thus, even if the hydraulic cylinder 33 is used to angularly displace each of the auxiliary rails 9, it is not necessary to newly provide a hydraulic source, and it is possible to use the hydraulic sources of the hydraulic cylinders 39 and 40. Yes, does not require high cost.

FIG. 4 is an enlarged plan view showing the vicinity of the distal end portion 50 of the auxiliary rail 9, FIG. 5 is a side view seen from the lower side of FIG. 4, and FIG. 6 is seen from the left side of FIG. It is a front view.
Each auxiliary rail 9 has a similar configuration,
Have the same configuration, one auxiliary rail 9 and one second fixed rail 38 will be described.

The auxiliary rail 9 is an auxiliary rail main body (hereinafter, referred to as an auxiliary rail main body).
70, and a top plate 71 on which a tread surface 58 is formed and which supports and guides the wheels 7. At the distal end portion 50 of the auxiliary rail 9 connected to the second fixed rail 38, both side surfaces 51a and 51b of the top plate 71 are formed in an arc shape so as to project outward and toward the distal ends 54a and 54b. The width D1 is tapered so as to be closer to each other. Also,
At the distal end portion 52 of the second fixed rail 38 connected to the auxiliary rail 9, both side surfaces 53 a and 53 b of the tread forming portion 38 a that supports and guides the wheel 7 are formed in an arc shape so as to project outward. The width D2 is tapered so that the width D2 becomes closer to the tips 55a and 55b.

Thus, the auxiliary rail 9 is moved to the operating position 3
When positioned at 0, the auxiliary rail 9 and the second fixed rail 38 are connected to each other in the width direction, which is the vertical direction in FIG. However, the top plate 71 of the auxiliary rail 9
The tips 54a, 54b of both side surfaces 51a, 51b of the second
Exists within the width D2 of the tread forming portion 38a of the fixed rail 38, and both side surfaces 53a, 53 of the second fixed rail 38.
The tips 55a and 55b of b exist within the width D1 of the top plate of the auxiliary rail 9. Therefore, the lift truck 3
Is that even if the auxiliary rails 9 and the second fixed rails 38 are connected to each other at positions slightly shifted from each other in the left-right direction, the connection portions of the rails extending from the auxiliary rails 9 to the second fixed rails 38 are different. Because it is located within the width, when moving from each auxiliary rail 9 to each second fixed rail 38 or from each second fixed rail 38 to each auxiliary rail 9, it is smoothly guided and moved up and down. The trolley 3 does not swing at the connection position.

Further, at the tip end portion 50 of the auxiliary rail 9, the end surface 56 of the top plate and the end surface 79 of the rail main body 70 are flush with each other. The other side 5
It is formed so as to be linearly inclined so as to protrude forward B1 toward the 1a side. Further, the end face 57 of the distal end portion 52 of the second fixed rail 38 is linearly inclined so as to protrude backward B2 from one side face 53a side to the other side face 53b side of the tread forming section 3a. Formed. The end surfaces 56 and 79 of the auxiliary rail 9 and the end surface 57 of the second fixed rail 38 have the same angle in the same direction about the axis perpendicular to the vertical directions D1 and D2 with respect to the left and right directions A1 and A2. 4 counterclockwise at 4
It is formed inclined at 5 degrees.

As described above, by forming the end faces 56 and 57 at an angle, the auxiliary rail 9 and the second fixed member are held when the auxiliary rail 9 is angularly displaced while the auxiliary rail 9 is held at the operation position 30. A gap Δd is provided between the rails 38 so that the rails 38 do not interfere with each other.
The leading ends 52 of the zero and second fixed rails 38 can be connected in the front-rear direction B1 and B2 so as to partially overlap each other. Accordingly, even if a gap Δd is provided between the auxiliary rail 9 and the second fixed rail 38 in a state where the auxiliary rail 9 is held at the operation position 30, the tread surface 58 for supporting the wheel 7 of the auxiliary rail 9 and / or The tread surface 59 supporting the wheel 7 of the second fixed rail 38 is in the front-rear direction B
1, B2. Therefore, the lifting trolley 3 can move smoothly when moving from the auxiliary rail 9 to the second fixed rail 38 or from the second fixed rail 38 to the auxiliary rail 9, and the lifting trolley 3 is connected to the connection position. No shaking problem occurs.

In the autoclave 10, an auxiliary rail 9 is provided.
And a pair of guide pieces 61a and 61b for guiding the auxiliary rail 9 are fixed.
The support seat 60 is provided in the vicinity of the distal end portion 52 of the second fixed rail 38, and supports the contact surface 66 of the contact portion 65 of the distal end portion 50 of the auxiliary rail 9 by the receiving surface 62 which is the upper surface thereof. Thus, the auxiliary rail 9 is held at the operation position 30 with the tread surface 58 of the auxiliary rail 9 and the tread surface 59 of the second fixed rail 38 arranged substantially on the same plane.

Each of the guide pieces 61a, 61b is provided with a support seat 60.
The auxiliary rail 9 is provided on both sides of the operation position 30 where the auxiliary rail 9 is to be positioned, on the side farther from the second fixed rail 38 than the second fixed rail 38. Each of the guide pieces 61a and 61b has guide surfaces 63a and 63b on the side facing each other, and the respective guide surfaces 63a and 63b are respectively inclined so that the interval between them increases as going upward. . As a result, the distal end portion 50 of the auxiliary rail 9 is connected to the guide surfaces 63a, 63
3b, it is guided to the operation position 30 so as not to shift in the left and right directions A1 and A2 with respect to the second fixed rail 38.

Such a support seat 60 and each guide piece 6
By providing 1a and 61b, the auxiliary rail 9
The second fixed rail 38 is positioned at the operation position 30 without shifting in the vertical directions D1 and D2 and the front and rear directions B1 and B2, which are the vertical directions in FIG. Therefore,
Combined with the effect of forming the auxiliary rail 9 and the second fixed rail 38 to be tapered and the effect of forming the end faces 56 and 57 at an angle, the lateral direction of the auxiliary rail 9 and the second fixed rail 38 is combined. Elevating trolley 2 due to displacement of A1, A2
Can reliably be prevented.

The receiving surface 62 of the support seat 60 extends in an arc shape so as to project upward D1 toward the direction approaching the second fixed rail 38. As a result, even if the auxiliary rail 9 is bent so as to project downward D2 while being held at the operation position 30, the holding position of the auxiliary rail 9 on the receiving surface 62, that is, the contact with the receiving surface 62. Face 6
6 can smoothly move to the rear B2 on the right side in FIG. 5, and the bending operation of the auxiliary rail 9 can be smoothly permitted. Therefore, when the lift truck 3 moves on the auxiliary rail 9, even if the auxiliary rail 9 is slightly bent so as to be convex downward D2 due to the weight of the lift truck 3, the change in the bending is changed. Accordingly, a problem such as a large swing of the lift truck 3 does not occur.

FIG. 7 is a plan view showing the rail main body 70, FIG. 8 is a side view of the rail main body 70 viewed from the lower side of FIG. 7, and FIG. 9 is a plan view showing the top plate 71. 10 is a front view of the top plate 71. The auxiliary rail 9 includes the rail body 70 and the top plate 71 as described above, and the top plate 71 is fixed on the rail body 70.

The rail body 70 includes a base 72 and an overhang 7
3 from the upper end of the plate-like base 72 in the left-right direction A
1, A2, overhang portions 73a, 73b
Are overhanging and are integrally formed. Each of the overhang portions 73a and 73b is provided with a plurality of insertion holes 8 at intervals.
0 is formed. One end 78 in the longitudinal direction of the rail main body 70 is located at the tip end 50 of the auxiliary rail 9, and the overhanging portion 73 is not formed at the one end 78 in the longitudinal direction. Further, the one end portion 78 in the longitudinal direction is formed such that the end surface 79 is inclined as described above.

Referring again to FIG. 3, the other end 74 of the rail body 70 is located at the base end 49 of the auxiliary rail 9, and the other end 74 of the rail body 70 has a cylindrical shape. Body 75
Are fixed, and the angular displacement member 34 is fixed to the cylindrical body 75. A rotating shaft 36 rotatably supported around the axis L1 is inserted through the trolley 2 into the cylindrical body 75, and the rail main body 70 is provided so as to be angularly displaceable around the axis L1. Are provided so as to be angularly displaceable about the axis L1. One end 74 of the rail body 70 is
One side in the width direction, ie, the left and right directions A1 and A2, is formed with a recess 76, so that the portion 77 on the other side in the width direction protrudes in the longitudinal direction. Such a rail main body 70 is made of steel (for example, SS400) and can be manufactured at low cost.

The top plate 71 has a base 81 and overhangs 82a, 82a. The overhangs 82 are provided on both sides in the width direction from the lower end of the base 81 to the left and right directions A1, A2.
a and 82b are respectively protruded and are integrally formed. The base portion 81 forms the tread surface 56, and each overhang portion 82
A plurality of insertion holes 83 are formed in the a and 82b at positions corresponding to the insertion holes 80 of the rail main body 70 at intervals. One end 84 in the longitudinal direction of the top plate 71 is located at the tip end 50 of the auxiliary rail 9,
In FIG. 4, the overhang portions 82a and 82b are not formed.

Further, the one end portion 84 in the longitudinal direction is formed such that the end face 56 is inclined as described above. Further, the one end portion 84 in the longitudinal direction is tapered as described above. It is the top plate 71 that actually supports and guides the wheels 7 of the lift truck 3, and the above-described effect can be obtained by forming only the top plate 71 to be tapered. Thereby, the rail body 7
The work of processing 0 can be omitted.

The other end 87 of the top plate 71 is located at the base end 49 of the auxiliary rail 9.
The other end 87 of 1 is formed with a recess 88 on one side in the width direction which is the left-right direction A1, A2, similarly to the rail body 70,
Thus, the portion 89 on the other side in the width direction projects in the longitudinal direction. Such a top plate 7
1 can be formed from a material having high wear resistance, for example, chromium molybdenum steel (for example, SCM440H), and the tread surface 58 is hardly worn.

Such a top plate is provided with each insertion hole 8.
A bolt (not shown) is inserted into the rail body 0, 83, and a nut is screwed into the bolt to tighten the rail body 70.
It is easily and detachably mounted. As a result, when the lift truck 3 repeatedly moves on the auxiliary rail 9 and the tread surface 56 of the top plate 71 is worn, the top plate 7
Only one can be exchanged. Therefore, the tread surface 56 of the auxiliary rail 9 can be improved at low cost.

A recess 91 is formed at one end 90 of the main rail 6 on one side in the width direction, whereby a portion 92 on the other side in the width direction projects in the longitudinal direction. With this, while the auxiliary rail 9 is held at the operation position 30, the projecting portion 77 of the rail body 70 and the projecting portion 89 of the top plate 71 fit into the recess 91 of the main rail 6, and 6 is fitted into the recess 76 of the rail main body 70 and the recess 88 of the top plate 71, and the auxiliary rail 9 and the main rail 6 are provided so as to partially overlap in the extending direction thereof. The tread surfaces 58 and 95 for supporting the wheels 7 of the lift truck 3 of the auxiliary rail 9 and the main rail 6 are provided continuously in the front-rear direction B1 and B2. Therefore, when the elevator car 3 moves from the auxiliary rail 9 to the main rail 6 or from the main rail 6 to the auxiliary rail 9, the elevator car 3 can move smoothly, causing a problem that the elevator car 3 swings at the connection position. There is no.

The discharging device 1 configured as described above is operated, for example, as follows. First, the trolley 2 is moved to a place where the converter slag is to be placed, with the basket 8 and the lift truck 3 being mounted thereon and the basket 8 being placed on the placement table 14. At this place, the basket 8 is filled with converter slag from the filling port 20 of the basket 8. In this state, the trolley 2 is moved to the front of the entrance hatch 37 of the autoclave 10. Next, autoclave 1
The auxiliary hatch 37 is opened, and the auxiliary rails 9 are angularly displaced in the connection direction C1 to be held at the operation position 30 and connected to the second fixed rail 38. Next, the basket 8 is lifted by the lifting device 13, and the lifting trolley 3 is moved in a state of being supported by the lifting trolley 3, and the converter slag is charged into the autoclave 10.

The autoclave 10 has a means for placing or holding the basket 8, and the basket 8 is placed or held in the autoclave 10.
Only the lifting trolley 3 is returned on the traversing trolley 2. Thereafter, the auxiliary rail 9 is angularly displaced in the evacuation direction C2 and held at the non-operation position 31, and the entrance hatch 37 of the autoclave 10 is closed.
Heating and pressurizing treatment is performed for a predetermined time with steam. When the processing in the autoclave 10 is completed, the entrance hatch 3
7 is opened, the auxiliary rail 9 is again angularly displaced in the connection direction C1 and held at the operation position, and the lift truck 3 is moved into the autoclave 10. With the basket 8 supported by the lift truck 3 by the lifting means 13, the lift truck 3 is returned onto the traverse truck 2, the basket 8 is placed on the placing table 14, and the auxiliary rail 9 is angularly displaced in the retreating direction C 2. Then, the trolley 2 is moved to a position where a predetermined converter slag is discharged. In this position, the open / close drive 1
5, the lower part of the basket 8 is opened, and the reformed converter slag is discharged.

FIG. 11 is a plan view schematically showing the vicinity of a front end portion 99 of an auxiliary rail 98 according to another embodiment of the present invention. In the above-described embodiment, the distal end portion 50 of the auxiliary rail 9 and the distal end portion 52 of the second fixed rail 38 are connected to each end surface 56,
Although 79 and 57 are formed so as to be inclined and partially overlap in the front-back direction B1 and B2, as shown in FIG. 11, the auxiliary rail 98 and the second fixed rail 97 are protruded portions 100 and 101. And recesses 102, 103, respectively, and each protruding portion 100, 101 is provided with each recess 102, 1
03 so as to overlap with each other in the front-back directions B1 and B2. Thereby, a similar effect can be obtained.

The auxiliary rails 9 may be provided at both ends of the main rail 6 to improve convenience. Further, the first and second fixed rails 5 and 38 and the main rail 6 may be configured to have a detachable and replaceable top plate. Further, the hydraulic cylinders 24, 33, 3
Instead of 9, 40, an electric cylinder or a pneumatic cylinder may be used, and a motor, a link mechanism, a cam device, or a gear train may be provided.

In the above-described embodiment, an example has been described in which the bogie device with an auxiliary rail is implemented as a discharge device for transporting the converter slag. However, the present invention is not limited to this. The present invention can be suitably implemented as a bogie device for transporting earth and sand in a construction site such as a tunnel excavation site, raw materials used in a factory, waste generated in the factory, or grains.

[0046]

According to the present invention, the auxiliary rail for connecting the main rail and the fixed rail is provided on the first bogie, and is used when it is necessary to convey an object to a plurality of predetermined positions. In addition, there is no need to provide an auxiliary rail for each predetermined position, so that cost can be reduced and maintenance work is also reduced.

Further, according to the present invention, the connecting portion between the ends of the auxiliary rail and the fixed rail is tapered toward the tip, and the auxiliary rail and the fixed rail are held in the state where the auxiliary rail is held in the operating position. Are partially overlapped with each other in the extending direction of the second carriage, so that even if the auxiliary rail and the fixed rail are connected at positions slightly shifted in the width direction, the second bogie is guided smoothly and swings at the connection position. Will not occur.

Further, the receiving surface of the support seat for holding the auxiliary rail in the operation position extends in an arc shape so as to protrude upward in a direction approaching the fixed rail. When moving on the auxiliary rail, even if the auxiliary rail is slightly bent downward due to the weight of the second bogie, there is no problem that the second bogie shakes.

Further, according to the present invention, the auxiliary rail has a detachable top plate on the auxiliary rail body, and the top plate can be detached and replaced.
The tread surface of the auxiliary rail can be improved at low cost.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a schematic configuration of a granular material discharge device 1 according to an embodiment of the present invention.

FIG. 2 is a side view showing a schematic configuration of the granular material discharging device 1.

FIG. 3 is an enlarged side view showing the vicinity of an auxiliary rail in FIG. 1;

FIG. 4 is an enlarged plan view showing the vicinity of the distal end of the auxiliary rail.

5 is a side view of the vicinity of the distal end of the auxiliary rail as viewed from the lower side of FIG. 4;

FIG. 6 is a front view of the vicinity of the tip of the auxiliary rail as viewed from the left side in FIG. 4;

FIG. 7 is a plan view showing a rail main body.

FIG. 8 is a side view of the rail main body viewed from the lower side of FIG. 7;

FIG. 9 is a plan view showing a top plate.

FIG. 10 is a front view showing a top plate.

FIG. 11 is a plan view schematically showing the vicinity of the tip of an auxiliary rail according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Granule discharge apparatus 2 Traversing car 3 Elevating car 5 First fixed rail 6 Main rail 8 Basket 9,98 Auxiliary rail 10 Autoclave 24,33,39,40 Hydraulic cylinder 30 Working position 31 Non-working position 50,99 Auxiliary Tip of rail 52 Tip of second fixed rail 51a, 51b Both sides of top plate 53a, 53b Both sides of second fixed rail 56 End face of top plate 57 End face of second fixed rail 58 Tread of auxiliary rail 59 Tread surface of second fixed rail 60 Support seat 62 Receiving surface 70 Rail body 71 Top plate

Claims (3)

[Claims] A first carriage provided with a main rail extending in a predetermined direction; a second carriage movably provided along the main rail of the first carriage; An auxiliary rail is provided adjacent to one end of the main rail so as to be movable between an operation position extending from the moving rail and a non-operation position retracted from the operation position; Wherein the first bogie is positioned at a predetermined position and is connected to a fixed rail laid at the predetermined position when the first bogie is held at the operating position. . 2. The mutually connected ends of the auxiliary rail and the fixed rail are connected to each other in a direction in which the auxiliary rail and the fixed rail extend in a state where the auxiliary rail is held at the operating position. The connecting portion between the auxiliary rail and the end of the fixed rail is narrowed on both sides toward the tip, and the auxiliary rail is provided near the end of the fixed rail. A support seat for holding the in the operating position,
The bogie device with an auxiliary rail according to claim 1, wherein a receiving surface of the support seat extends in an arc shape so as to protrude upward in a direction approaching the fixed rail. 3. The auxiliary rail, comprising: an auxiliary rail main body;
The bogie device with an auxiliary rail according to claim 1 or 2, comprising a top plate forming a tread surface for supporting the bogie, wherein the top plate is detachably mounted on the auxiliary rail main body.