JP4550331B2 - Replacement kibble device in shaft excavation - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a replacement kibble device that is used to carry out excavation shear from a shaft while alternately using two shear kibbles. The present invention relates to a replacement kibble device in shaft excavation that can be easily and quickly performed.
[0002]
[Prior art]
As this type of prior art, there are kibble replacement methods disclosed in, for example, Japanese Patent Application Laid-Open No. Sho 62-25893 and Japanese Patent Application Laid-Open No. 11-294063. There are advantages such that the interruption work can be reduced and the projecting operation can be performed efficiently, and various equipment such as a kibble hoisting machine can be small and inexpensive.
[0003]
In the former prior art, a turntable having a kibble passage hole and rotating between a first position and a second position is provided on the lower deck of the scaffold, and a second elevator is provided below the middle deck. The first elevator is provided on the ground, and the replacement work of the kibble is performed in a state where one kibble and the other kibble are placed on the turntable.
[0004]
In this prior art, one kibble is transferred between the ground and the first position by the first elevator, and the other kibble is transferred between the bottom of the hole and the second position by the second elevator. The hanging hooks of the first elevator and the second elevator are replaced with one kibble and the other kibble placed on the same, and the turntable is rotated to rotate between the first position and the second position. Kibble replacement work is performed.
[0005]
In the latter prior art, it moves horizontally between a first position (transfer position) and a second position (standby position), closes the kibble passage hole at the first position, and releases the kibble passage hole at the second position. A slide table is provided on the lower deck of the scaffold, and an empty kibble elevator that moves horizontally between the first and second positions along the traveling rail is provided below the middle deck and protrudes to the ground. Elevator is provided.
[0006]
In this prior art, the actual kibble at the bottom of the pit is transferred to the ground by a lifting elevator, and the empty kibble at the second position is moved by the empty kibble elevator until it returns to the first position by the empty kibble. After moving to the first position and transporting from the kibble passage hole to the bottom of the well, the slide table is moved to the first position, and the empty kibble returned from the ground is placed on the slide table. Then, the hanging hook is replaced with the empty kibble elevator, and the kibble is exchanged by moving the slide table to the second position.
[0007]
[Problems to be solved by the invention]
In these prior arts, the suspension hook for the kibble suspension handle is replaced between the two elevators, and it is desirable that this replacement operation be performed safely, easily and quickly on the scaffold. It is necessary to control the posture of the kibble to align the hanging pattern in a certain direction suitable for changing the hanging hook.
[0008]
However, in the case of the prior art in which this replacement work is performed on a turntable or a slide table, the posture of the kibble is placed by a human force in a state of being placed on the table or suspended from the table by being lifted by an elevator. Therefore, it is difficult to work safely and easily and quickly.
[0009]
In the former case, the kibble passage hole provided in the turntable is opened when aligned with the kibble passage hole in the lower deck, and in the latter case, when the slide table is moved to the second position (standby position). Since the kibble passage holes provided in the lower deck are in an open state, strict caution is required so that equipment, materials, or workers on the deck do not accidentally fall to the bottom of the well through these kibble passage holes.
[0010]
In the former prior art, since the turntable occupies a large area on the lower deck of the Scaffold, the behavior of workers who perform kibble replacement work and other work on the lower deck is restricted, There is a risk of impairing work efficiency and ensuring safe work, and the actual kibble load is applied to the scaffold, so it is possible to reduce the size of the scaffold and to use a relatively large kibble at a time. It is difficult to carry out a large amount of shear.
[0011]
In the latter prior art, the slide table that moves horizontally between the first position (transfer position) and the second position (standby position) and the empty kibble elevator are operated in conjunction with each other or used separately. Is necessary and the operation is complicated.
[0012]
Therefore, in the present invention, there are few interruptions in the stacking work, which is an advantage of the replacement kibble method according to the prior art, and the work efficiency is good, and various facilities such as a kibble hoisting machine can be small and inexpensive. An object of the present invention is to provide a replacement kibble device in shaft excavation that solves the above-described problems and makes it possible to perform the kibble replacement work on the scaffold safely, easily and quickly.
[0013]
[Means for Solving the Problems]
The replacement kibble device in the shaft excavation according to the present invention suspends the actual kibble at the pile position of the bottom of the shaft through a lifting elevator installed on the ground and passes through the scaffolding kibble passage hole on the protruding passage. This is a replaceable kibble device that performs a series of repetitive operations to push out and suspend the empty kibble that has been waiting at the scaffold to the bottom of the well and to wait for the empty kibble returned from the ground at the scaffold.
[0014]
This replacement kibble device includes a kibble suspension means for suspending an empty kibble with an empty kibble elevator and moving between a first position on the kibble passage hole and a second position for standby, and a first position from the ground. The returned empty kibble is placed and equipped with kibble alignment means that adjusts the attitude of the empty kibble to align the hanging handle in a certain direction so that it can be adapted to change the hanging hook. An open door type opening / closing door that opens or closes the kibble passage hole is provided, and the kibble aligning means is mounted on the upper surface of the opening / closing door.
[0015]
When this replacement kibble device is used, the work load is continuously performed with one kibble while the other kibble is being pulled out, so that the work efficiency is as good as the conventional replacement kibble system. While exhibiting other effects, the empty kibble can be easily moved between the first position and the second position on the scaffold and to the stacking position of the bottom of the shaft by the empty kibble lift of the kibble suspension means. .
[0016]
In particular, it is possible to easily and quickly replace the suspension hook with respect to the empty kibble that has been returned from the ground to the first position by providing a kibble alignment means that controls the attitude of the empty kibble to align the hanging handle in a certain direction. In addition, since the kibble aligning means is mounted on the hinged door that opens or closes the kibble passage hole, the work can be performed safely.
[0017]
In addition, the opening / closing door allows the kibble passage hole to be released only when the kibble passes and can be kept closed at all times, so when the kibble passage hole provided in the turntable is aligned with the kibble passage hole of the lower deck Compared to the former prior art in the open state and the latter prior art in which the kibble passage hole provided in the lower deck is open when the slide table is moved to the second position (standby position). .
[0018]
Also, the difference from the former prior art is that the open / close door space for opening and closing the kibble passage hole need only be secured on the lower deck of the scaffold, and a large occupied area is not required. The work efficiency can be improved and safety work can be ensured without any impact, and the load of the actual kibble is not applied to the scaffold. It is possible to carry out a large amount of shear at once using a kibble.
[0019]
Further, the difference from the latter prior art is that the horizontal movement of the empty kibble performed between the first position (transfer position) and the second position (standby position) is performed in a state suspended by an empty kibble elevator. Therefore, it is not necessary to use the slide table in conjunction with the slide table or to perform individual operations, and the operation is easy.
[0020]
In the replacement kibble device of the present invention, the kibble aligning means includes a turntable that rotates the empty kibble to align the direction of the hanging handle, and a slide table that horizontally moves the turntable so that the hanging handle rolls over in a certain direction. You can take the form that you have.
[0021]
According to this kibble aligning means, the turntable on which the empty kibble is placed is rotated to align the direction of the hanging handle, and then the turntable is horizontally moved by the slide table and suspended from the hanging hook of the lifting elevator. When the suspended handle is turned over, the suspended handle rolls over in a certain direction suitable for the attachment / detachment operation, so that the replacement work of the hanging hook with respect to the hanging handle can be performed safely, easily and quickly.
[0022]
In the alternative kibble device of the present invention, the kibble suspending means includes a guide rail arranged in an arc shape along the ceiling of the middle deck, and a base end side pivotally attached so that the distal end side can travel with respect to the guide rail. It is possible to adopt a form provided with a turning monorail that is engaged and turned in a turning state along the guide rail, and an empty kibble elevator that moves horizontally with the upper end engaged with the turning monorail.
[0023]
According to this kibble suspension means, the empty kibble that has been waiting at the second position is moved from the first position to the second position where the empty kibble is waiting from the turntable at the first position because it has returned from the ground. The empty kibble elevator can be easily transported to the stacking position with the empty kibble suspended, and the kibble alignment means is mounted on the hinged door, and on the lower deck, Since a wide work area is ensured, the replacement kibble operation including the replacement work of the hanging hook can be performed safely, easily and quickly.
[0024]
DETAILED DESCRIPTION OF THE INVENTION
The replacement kibble method and apparatus of the present invention will be described in detail below with reference to the accompanying drawings showing preferred embodiments. FIG. 1 is a front view of a shaft excavation apparatus including the replacement kibble apparatus, and FIG. 3 is an enlarged front view of FIG. 3, FIG. 3 is a plan view thereof, FIG. 4 is an explanatory view of a procedure for removing a hanging hook, and FIGS. 5 and 6 are explanatory views of an operation procedure for carrying out the replacement kibble method. Each is shown.
[0025]
The shaft excavator 1 includes a scaffold 6 (suspending scaffold) that is suspended from the ground by a scaffold hoist (not shown) and moves up and down in the shaft 2, and the scaffold 6 includes an upper deck 7 and an intermediate deck. A plurality of grippers 5 that extend and contract in the horizontal direction with respect to the lining concrete 4 that is composed of the three-stage decks 8 and the lower deck 9 and is cast on the inner surface of the shaft 2 using the movable mold 3. Is held through.
[0026]
As in the case of the known scaffold, the scaffold 6 is connected between the decks 7, 8, and 9 by the connecting pillar 10, and an operator can move between the decks 7, 8, and 9. In addition, a ladder (not shown) is provided, and a kibble through hole 12 through which the kibble 11 (11A, 11B) passes is provided on the protruding passage X of each of the decks 7, 8, and 9.
[0027]
In order to suspend the scaffold 6 so as to be movable up and down, a scaffold rope 13 wound around a scaffold winding machine is used for the upper deck 7. The scaffold rope 13 is paired with a top sheave on the ground. It is installed between the tail sheaves 14 with riders.
[0028]
The middle deck 8 is provided with concrete placing means 15 such as a concrete hopper or a rotating chute, and the concrete placing means 15 places the lining concrete 4 on the inner wall surface of the shaft 2 while replacing the movable mold 3. The lower deck of the middle deck 8 is equipped with a kibble suspension means 16A that constitutes a replacement kibble device 16.
[0029]
The lower deck 9 is equipped with a kibble aligning means 16B constituting the replacement kibble device 16 in cooperation with the kibble suspension means 16A on the upper surface side of the lower deck 9, and each kibble 11 (kibble 11A, The kibble 11B) is changed, and the offloading machine 17 is provided on the lower surface side of the lower deck 9.
[0030]
The kibble 11 is provided with a mountain-shaped hanging handle 18 undulating between the vertical standing position and the horizontal rollover position at the opening edge on the upper end side, and a lifting elevator (shown in the figure) installed on the ground. ) And the hanging hook 20 of the electric traverse hoist 23 installed as an empty kibble elevator in the kibble suspension means 16A of the replacement kibble device 16 in a detachable manner.
[0031]
The kibble suspension means 16A suspends the kibble 11A in an empty kibble state between a first position (transfer position) P1 on the slide-out passage X and a second position (standby position) P2 away from the slide-out passage X. The kibble 11A is suspended and installed from the first position (transfer position) P1 to the pile position P3 at the bottom of the well.
[0032]
The kibble aligning means 16B causes the hanging handle 18 to fall down in a certain direction in order to easily and quickly perform the operation of attaching and detaching the hanging handle 18 of the kibble 11A to the hanging hooks 19 and 20 of each elevator. The attitude control of the kibble 11A is performed.
[0033]
The kibble suspension means 16A has a guide rail 21 arranged in an arc along the ceiling of the middle deck 8 and a base end side pivotally engaged so that the distal end side is movably movable with respect to the guide rail 21, A turning monorail 22 that turns in a turning state along the guide rail 21, and an electric traverse hoist 23 that is an empty kibble elevator that moves horizontally by engaging the upper end of the turning monorail 22.
[0034]
As in the case of a known overhead crane, the kibble suspension means 16 </ b> A is configured such that the swing monorail 22 and the electric traverse hoist 23 are moved horizontally by driving the electric motor, and the hoisting hook 20 of the electric traverse hoist 23 is suspended. The suspended kipla 11A is moved between the first position (transfer position) P1 and the second position (standby position) P2, and is moved from the first position (transfer position) P1 to the stacking position P3.
[0035]
The kibble aligning means 16B includes a horizontally movable slide table 24 mounted on the upper side of the lower deck 9, a rotatable turntable 25 mounted on the slide table 24, and the slide table 24 and the turntable 25 on the upper surface side. The door 26 is configured with an opening / closing door 26 that opens and closes in a manner to open and close the kibble passage hole 12 of the lower deck 9 while being mounted.
[0036]
The kibble aligning means 16B can move the kibble 11A to a first position (transfer position) P1 that aligns with the kibble passage hole 12 and an exchange position P4 that is intermediate between the first position P1 and the second position (standby position) P2. As described above, the turntable 25 is moved by the slide table 24, and the attitude control with respect to the kibble 11A placed on the turntable 25 and the attaching / detaching operation of the hanging hooks 19 and 20 are performed. The slide table 24 and the turntable 25 are electrically operated. Is done.
[0037]
For example, the open / close door 26 is pivotally attached to the lower deck 9 at one end side by a hinge member 27, and a fluid pressure cylinder (not shown) is mounted between the other end side and the lower deck 9 to extend the fluid pressure cylinder. Then, the open / close door 26 opens in a standing state above the lower deck 9.
[0038]
In the slide table 24 and the turntable 25, a fluid pressure cylinder 28 is mounted between the opening / closing door 26 and the slide table 24, and the slide table 24 is moved between the first position P1 and the exchange position P4 by the expansion and contraction operation of the fluid pressure cylinder 28. The turn table 25 is rotated by driving a known rotary drive mechanism (not shown) including a motor between the turn table 25 and the slide table 24.
[0039]
FIG. 4 is an explanatory view of the removal state of the hanging hook 19 which is performed by operating the kibble aligning means 16B. FIG. 4A shows a state in which the excavating shear is discharged to the ground and then suspended on the hanging hook 19 of the lifting elevator. The relationship between the kibble 11A suspended and returned in the empty kibble state and the kibble aligning means 16B waiting at the first position P1 is shown.
[0040]
After the kibble 11A is placed on the turntable 25 as shown in (b), the turntable 25 is rotated so that the hanging handle 18 rolls over in a predetermined direction, and then the posture control is performed. When the slide table 24 is moved to the replacement position P4 side while loosening the suspension rope as described above, the suspended suspension handle 18 is turned over as shown in (d), and the suspension hook 18 is suspended from the suspension handle 18 as shown in (e). 19 can be easily removed.
[0041]
The outline of the kibble replacement work is as follows. The actual kibble at the bottom of the well is transported to the ground with a lifting elevator, and the empty kibble at the second position P2 is returned to the first position in the empty kibble state. After moving to the first position P1 with the empty kibble elevator and transporting from the kibble passage hole 12 to the bottom of the well, the slide table 24 is moved to the first position P1 and the empty kibble returned from the ground onto the slide table 24 The hanging hook is changed from the lifting elevator to the empty kibble elevator, and the empty kibble 11A is moved to the second position P2.
[0042]
The details of the replacement kibble method will be described based on the operation procedure of FIGS. 5 and 6. FIG. 5A shows a slide table in which the open / close door 26 is closed and the open / close door 26 is closed while the kibble passage hole 12 is closed. 24 shows the state where the empty kibble 11A returned from the ground is placed on the turntable 25 provided on the slide table 24, at the first position P1, and the actual state of being piled up or finished piled up at the bottom of the well. There is a kibble 11B, and the empty kibble elevator is moved to the first position P1 in this state.
[0043]
Fig. 5 (b) shows a state in which the hanging hook is changed from the lifting elevator to the empty kibble elevator, and then the empty kibble suspended by the empty kibble elevator is moved from the first position to the second position. FIG. 5 (c) shows a state in which the lifting elevator is suspended from the kibble passage hole opened by opening the opening / closing door, and the hanging hook is attached to the hanging handle of the actual kibble at the bottom of the well.
[0044]
FIG. 6A shows a state where the actual kibble lifted by the lifting elevator is transferred to the ground and the empty kibble lifted by the empty kibble elevator is moved from the second position to the first position. b) shows a state where the empty kibble at the first position lifted by the empty kibble elevator is suspended from the open kibble passage hole to the stacking position at the bottom of the well.
[0045]
Fig. 6 (c) shows that the empty kibble lifting handle is removed from the hanging hook of the empty kibble elevator, the empty kibble elevator is lifted to the first position and then moved to the second position, and the opening / closing door is closed and the kibble is passed. 5 shows a state where the hole is closed, and waits for an empty kibble to be returned after discharging the excavation shear in FIG. 5 (a), and during that time, a stacking operation is performed on the empty kibble at the bottom of the pit. .
[0046]
In addition, the automatic hook means (illustration is abbreviate | omitted) which operates the suspension hook 19 of the lifting elevator for the lift from the lower deck 9 to the suspension handle 18 of the actual kibble 11B at the pile position P3 at the bottom of the pit. For this automatic hook means, for example, a known automatic hook means including the latter prior art automatic hook means or a kibble suspension means previously proposed in Japanese Patent Application No. 2001-181713 by the applicant is used. Is possible.
[Brief description of the drawings]
FIG. 1 shows a front view of a shaft excavator including a replacement kibble device according to the present invention.
2 shows an enlarged front view of the replacement kibble device in FIG. 1. FIG.
FIG. 3 is a plan view of the replacement kibble device in FIG. 1;
FIG. 4 is an explanatory diagram of a procedure for removing a hanging hook of the replacement kibble device.
FIG. 5 is an explanatory diagram of an operation procedure for carrying out a replacement kibble method according to the present invention.
FIG. 6 is an explanatory diagram of an operation procedure for carrying out a replacement kibble method according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vertical shaft excavation device 2 Vertical shaft 3 Mobile formwork 4 Covering concrete 5 Gripper 6 Scaffold 7 Upper deck 8 Middle deck 9 Lower deck 10 Connecting pillar 11 Kibble (11A, 11B)
12 Kibble Passage 13 Scaffold Rope 14 Tail Sheave 15 Concrete Placing Means 16 Replacement Kibble Device 16A Kibble Suspension Means 16B Kibble Alignment Means 17 Back For Excavator 18 Suspension Handle 19 Suspension Hook (for Lifting Elevator)
20 Suspension hook (for empty kibble elevator)
21 Guide rail 22 Swivel rail 23 Electric traverse hoist (Elevator for empty kibble)
24 Slide table 25 Turntable 26 Open / close door

Claims (3)

The actual kibble at the bottom pile position is suspended by a lifting elevator installed on the ground, and then pulled out through the scaffold through-hole on the sliding path, waiting at the scaffold. It is a replacement kibble device that performs a series of repetitive operations to suspend the empty kibble to the bottom of the well and to make the sky kibble returned from the ground stand by Scaffold, and suspends the empty kibble with an empty kibble elevator A kibble suspension means that moves between a first position on the kibble passage hole and a second position to stand by, and an empty kibble that has returned to the first position from the ground are placed, and the suspension hook is replaced. As shown in the figure, a kibble aligning means for aligning the suspension handle in a certain direction by controlling the attitude of the empty kibble, and a hinged door type opening / closing door that opens or closes the kibble passage hole on the lower deck of the scaffold. Kicking with, instead kibble device in shaft excavation, characterized in that mounted the kibble alignment means on the upper surface of the door. The said kibble aligning means is provided with the turntable which rotates an empty kibble and aligns the direction of a hanging handle, and the slide table which moves a turntable horizontally so that a hanging handle rolls over in a fixed direction. Replacement kibble device in the shaft excavation described. The kibble suspension means includes a guide rail arranged in an arc shape along the ceiling of the middle deck, and a base end side pivotally engaged so that the distal end side can be moved and moved with respect to the guide rail. The replacement kibble device in shaft excavation according to claim 1 or 2, comprising a turning monorail that rotates in a turning state along with an empty kibble elevator that moves horizontally by engaging the upper end of the turning monorail.

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