JP2011021418A - Installation of block - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To install not only a block having a narrow through hole but also a block having no through hole without being restricted by presence/absence or size of the through hole of the block. <P>SOLUTION: In an installation device advancing and retreating a truck and installing the block, the truck installs a forward truck 1 to the front side of a rearward truck 2, is vertically movably provided with a first forward wheel 4 and a second forward wheel 5 on a lower side of a front part of the forward truck, is disposed with the second forward wheel in the rear of the forward wheel, is vertically movably provided with rearward wheels 6 on a lower side of the rearward truck, and the forward and rearward trucks descend and ascend by ascent operation and descent operation of the rearward wheels and the second forward wheel. Topmost positions of the first forward wheel and the second forward wheel, and a lower face position of the forward truck are made higher than the block 11, a space 3 for the block stored with the block and lifting connectors 8, 9 are provided on a rear part lower side of the forward truck, the lifting connectors are disposed on the upper face of the space for the block, and the lifting connectors can be connected to suspending connectors of the upper face of the block. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a technique for installing a block such as a box culvert.

  The box culvert is a rectangular cylindrical concrete block, and a through hole having a quadrangular cross section penetrates in the front-rear direction. This box culvert is installed on a foundation in sequence and arranged in series to construct a waterway. When installing the box culvert, an installation device for carrying the box culvert is used.

  The installation apparatus disclosed in Patent Document 1 is configured to move the carriage forward and backward. The cart is provided with a first front wheel and a second front wheel on the lower side of the front part so as to be able to move up and down. The second front wheel is disposed on the rear side of the first front wheel. A rear wheel is provided on the lower rear side of the carriage. The cart is provided with a jack for lifting the box culvert on the upper side of the center.

When the box culvert is installed using this installation apparatus, the following steps are performed.
(1) The installation waiting box culvert is arranged on the foundation between the installed box culvert on the foundation and the carriage of the installation apparatus. The opening end of one end of the installation waiting box culvert faces the front part of the carriage.
(2) The carriage raises the first front wheel and moves forward. The first half of the front part with the first front wheel is inserted into the installation waiting box culvert, and the first front wheel is lowered and placed on the lower plate of the installation waiting box culvert.
(3) Next, the carriage raises the second front wheel and advances it. The second half of the front portion with the second front wheel is also inserted into the installation waiting box culvert, and the second front wheel is lowered and placed on the lower plate of the installation waiting box culvert.

(4) The carriage is advanced in a state where the first front wheel and the second front wheel are placed on the lower plate of the installation waiting box culvert. When the front half of the front portion with the first front wheel protrudes from the opening end of the other end of the installation waiting box culvert, the first front wheel is lowered and placed on the foundation. Next, when the second half of the front part with the second front wheel protrudes from the opening end of the other end of the installation waiting box culvert, the second front wheel is also lowered and placed on the foundation.

  When the first front wheel and the second front wheel pass through the installation waiting box culvert and rest on the foundation, the rear part with the rear wheel remains outside the installation waiting box culvert, and the central part with jack is the installation waiting box culvert. Inside. That is, the carriage is skewered in the installation waiting box culvert, and the jack is positioned below the upper plate of the installation waiting box culvert.

(5) When the jack is positioned below the upper plate of the installation waiting box culvert, the jack plunger is raised and applied to the upper plate of the installation waiting box culvert to lift the installation waiting box culvert from the foundation.
(6) The carriage raises the first front wheel and moves forward with the installation waiting box culvert lifted. The first half of the front portion with the first front wheel is inserted into the installed box culvert, and the first front wheel is lowered and placed on the lower plate of the installed box culvert.
(7) Next, the carriage raises the second front wheel and advances it. The second half of the front portion with the second front wheel is also inserted into the installed box culvert, and the second front wheel is lowered and placed on the lower plate of the installed box culvert.

(8) The carriage is advanced in a state where the first front wheel and the second front wheel are placed on the lower plate of the installed box culvert. Carry the installation-waiting box culvert to a position adjacent to the installed box culvert, lower the jack plunger and lower the installation-waiting box culvert. An awaiting installation box culvert is installed on the foundation adjacent to the installed box culvert on the foundation.
(9) After the installation waiting box culvert is installed, the carriage is moved backward. Get out of the box culvert just after installation.

  The lifting device disclosed in Patent Document 2 is configured to lift the lower plate of the box culvert instead of pushing up the upper plate of the box culvert like the mounting device of Patent Document 1 when lifting the box culvert.

JP-A-6-185106 JP 2003-182987 A

[Task]
The above-described technique for installing a cylindrical block with a through hole, such as a box culvert, cannot be put into a skewered state because the installation device is inserted into the through hole of the block so as to be skewered. It cannot be used for a block, for example, a block in which the inner dimension of the through hole is smaller than the outer dimension of the entrance portion of the installation apparatus, or a block in which the through hole does not penetrate in the front-rear direction. The skewer type installation apparatus cannot install a block having a thin through hole or a block having no through hole.

[Idea]
The skewering type in which the installation device enters the block through hole is limited to the presence or absence of the block through hole and the size. Therefore, it was decided to make the installation device overhanging the upper side of the block. The elevated type is not limited by the presence or absence of the through-holes in the block.

  The elevated installation device divides the carriage into two parts, a front side and a rear side, and attaches the front side carriage to the front side of the rear side carriage. The front-side carriage is provided with a first front wheel and a second front wheel on the lower side of the front part so as to be able to move up and down. The second front wheel is disposed on the rear side of the first front wheel. The rear carriage is provided with a rear wheel on the lower side so that it can be raised and lowered.

  The front trolley has a lower surface raised from the ground surface, and a block space in which the installation waiting block is accommodated is provided below the rear part. The uppermost positions of the first front wheel and the second front wheel are made higher than the installation waiting block. In addition, a front side trolley makes the position attached to a rear side trolley changeable to an up-down direction. That is, the height of the block space and the uppermost positions of the first front wheel and the second front wheel are adjustable.

  The front carriage is provided with a lifting connector on the lower rear side. The lifting coupler is disposed on the upper surface of the block space. The block is provided with a hanging connector on the upper side.

The method of installing a block using this installation apparatus goes through the following steps.
(1) The front and rear carts face one end of an installation waiting block on the ground surface.
(2) The carriage raises the first front wheel and moves forward. When the first front wheel reaches the upper side of the installation waiting block, the first front wheel is lowered and placed on the upper surface of the installation waiting block.
(3) Next, the carriage raises the second front wheel and advances it. When the second front wheel reaches the upper side of the installation waiting block, the second front wheel is lowered and placed on the upper surface of the installation waiting block. The front side of the front bogie is placed on an installation waiting block.

(4) The carriage is advanced with the first front wheel and the second front wheel placed on the upper surface of the installation waiting block. When the first front wheel passes through the upper surface of the installation waiting block, the first front wheel is lowered and placed on the ground surface. Next, when the second front wheel passes the upper surface of the installation waiting block, the second front wheel is also lowered and placed on the ground surface. The front cart is placed over the installation waiting block and is in an elevated state. The installation waiting block enters the block space.

(5) When the installation waiting block is located in the block space, the lifting connector on the lower side of the front carriage is connected to the hanging connector on the upper side of the installation waiting block. Thereafter, the rear wheel and the second front wheel are lowered to raise the carriage. Lift the waiting block from the ground.
(6) The carriage moves forward by raising the first front wheel while the installation waiting block is suspended. When the first front wheel reaches the upper side of the installed block, the first front wheel is lowered and placed on the upper surface of the installed block.
(7) Next, the carriage raises the second front wheel and advances it. When the second front wheel reaches the upper side of the installed block, the second front wheel is lowered and placed on the upper surface of the installed block.

(8) The carriage is advanced in a state where the first front wheel and the second front wheel are placed on the upper surface of the installed block. Carry the installation waiting block to a position adjacent to the installed block. Further, the rear wheel and the second front wheel are raised to lower the carriage. Move the waiting block to the ground. The installation waiting block is installed on the ground surface adjacent to the installed block on the ground surface.
(9) After the installation waiting block is installed, the carriage moves backward. The lifting coupler is separated from the hanging coupler. The front trolley gets off the block just after installation.

1) In an installation device that moves the carriage forward and backward to install the block,
The carriage has a front carriage attached to the front side of the rear carriage, the first front wheel and the second front wheel are provided so as to be movable up and down below the front part of the front carriage, and the second front wheel is arranged behind the first front wheel. The rear wheel is provided on the lower side of the rear carriage so that the rear wheel can be raised and lowered, and the front and rear carriages are lowered and raised by the raising operation and the lowering operation of the rear wheel and the second front wheel,
The uppermost position of the first front wheel and the second front wheel and the lower surface position of the front carriage are made higher than the block, and a block space for housing the block and a lifting connector are provided below the front carriage, and the block space A block installation apparatus characterized in that a lifting connector is arranged on the upper surface of the block, and the lifting connector is connectable to the hanging connector on the upper surface of the block.
2) In the above block installation device,
The front trolley is characterized in that the position attached to the rear trolley can be changed in the vertical direction, and the height of the block space and the top positions of the first front wheel and the second front wheel can be adjusted.

3) In the method of installing the block using an installation device for moving the carriage forward and backward,
The trolley of the installation device has a front trolley attached to the front side of the rear trolley, a first front wheel and a second front wheel are provided on the front lower side of the front trolley so that it can be raised and lowered, and the second front wheel is disposed behind the first front wheel. The rear wheel is arranged on the lower side so that the rear wheel can be moved up and down, the uppermost position of the first front wheel and the second front wheel, and the lower surface position of the front carriage are higher than the block, and the rear lower part of the front carriage A block space and a lifting connector are provided on the side, and a lifting connector is arranged on the upper surface of the block space.
The carriage faces one end of the installation waiting block on the ground surface, raises the first front wheel and moves forward, and when the first front wheel reaches the upper side of the installation waiting block, the first front wheel is lowered to wait for installation. Place on the upper surface of the block, then raise the second front wheel to advance, and when the second front wheel reaches the upper side of the installation waiting block, lower the second front wheel and place it on the upper surface of the installation waiting block,
The carriage moves forward with the first front wheel and the second front wheel placed on the upper surface of the installation waiting block, and when the first front wheel passes the upper surface of the installation waiting block, the first front wheel is lowered to the ground surface. Next, when the second front wheel passes the upper surface of the installation waiting block, the second front wheel is lowered and placed on the ground surface, and the front carriage is placed above the installation waiting block to be in an elevated state, and the installation waiting block Put in the block space,
The lifting connector is connected to the suspension connector on the upper surface of the installation waiting block, the rear wheel and the second front wheel are lowered to raise the carriage, and the installation waiting block is lifted from the ground surface.
With the installation waiting block suspended, the carriage raises the first front wheel to advance, and when the first front wheel reaches the upper side of the installed block, the first front wheel is lowered to Place on the top surface, then raise the second front wheel to advance, and when the second front wheel reaches the upper side of the installed block, lower the second front wheel and place it on the top surface of the installed block,
The carriage moves forward with the first front wheel and the second front wheel placed on the upper surface of the installed block, carries the waiting block to a position adjacent to the installed block, and the rear wheel and the second front wheel. To lower the carriage, lower the installation waiting block to the ground, the installation waiting block is installed on the ground adjacent to the installed block on the ground,
After the installation waiting block is installed, the carriage is moved backward, the lifting coupler is separated from the hanging coupler, and the front carriage is lowered from the block immediately after installation.
4) In the above block installation method,
The front trolley is characterized in that the position attached to the rear trolley can be changed in the vertical direction, and the height of the block space and the top positions of the first front wheel and the second front wheel can be adjusted.

  This installation technique can also be used for blocks with narrow through holes and blocks without through holes. It is not limited by the size or presence of the block holes.

The side view of the block installation apparatus in embodiment of this invention. The front view of the installation apparatus. The side view of the box culvert and suspension bolt of the block installed with the installation apparatus. Front view of the box culvert and hanging bolt. The side view for description of the installation method which uses the installation apparatus. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view for description similar. The side view of the block for porous pipes of another block and suspension bolt which are installed with the installation apparatus.

  As shown in FIGS. 1 and 2, the block installation device is configured by two parts, a front carriage 1 and a rear carriage 2. The front carriage 1 has a beam shape that is long in the front-rear direction, and is attached to the front side of the box-shaped rear carriage 2. The mounting position of the front cart 1 can be changed in the vertical direction. The front bogie 1 has a lower surface raised from the ground surface, and a block space 3 in which a block 11 is accommodated is provided below the rear part. The block space 3 is higher than the installation waiting block 11. The height of the block space 3 is adjusted by changing the mounting position of the front carriage 1.

  The front cart 1 is provided with a first front wheel 4 and a second front wheel 5 on the lower side of the front part so as to be moved up and down by a hydraulic lifting device. The second front wheel 5 is disposed on the rear side of the first front wheel 4. The 1st front side wheel 4 and the 2nd front side wheel 5 are each arrange | positioned in the left-right direction center position. The uppermost positions of the first front wheel 4 and the second front wheel 5 are higher than the installation waiting block 11. The uppermost position is adjusted by changing the mounting position of the front carriage 1.

  The rear cart 2 is provided with a rear wheel 6 on the lower side so as to be lifted and lowered by a hydraulic lifting device. The rear wheels 6 are arranged on the left side and the right side, respectively. In the rear carriage 2, there are provided an electric rotation driving device and a rotation control device for the left and right rear wheels 6, and a first front wheel 4, a second front wheel 5 and a lifting control device for the rear wheel 6. Yes. A driver's seat 7 and an operation panel are provided on the rear side of the rear carriage 2.

  The front and rear carts 1 and 2 are configured to move forward and backward by forward rotation and reverse rotation of the rear wheels 6. Further, the carts 1 and 2 are configured to descend and rise by the raising and lowering operations of the rear wheel 6 and the second front wheel 5. In addition, the trolley | bogies 1 and 2 are set as the structure which adjusts a left-right direction position by the left-right direction movement of the rear side wheel 6 and the 2nd front side wheel 5. FIG.

  The front cart 1 is provided with lifting connectors 8 and 9 below the rear part. The lifting couplers 8 and 9 have arm-like lifting members 8 attached to the rear part of the front carriage 1 in a wing shape on the left and right. Wing-like lifting members 8 are arranged on the front side and the rear side, respectively. The front / rear / right / left lifting members 8 have hooking recesses 9 opened on the front and lower sides, respectively. The lifting connectors 8 and 9 are located on the upper surface of the block space 3.

  As shown in FIGS. 3 and 4, the block 11 is a box culvert and is provided with suspending couplers 12 and 13 on the upper side. The suspension coupler exposes the insert nut 12 on the upper surface of the block 11. The nut 12 is arrange | positioned at front and rear, right and left, respectively.

  A suspension bolt 13 is screwed onto the nut 12. The suspension bolt 13 protrudes above the block 11 at the head and neck. The hanging recess 9 of the lifting connector is fitted to the head and neck of the suspension bolt 13 on the upper side of the block. The block suspension couplers 12 and 13 are coupled to the lifting couplers 8 and 9 of the front carriage.

The method of installing the box culvert block 11 using this installation apparatus includes the following steps.
(1) As shown in FIG. 5, the front and rear carts 1 and 2 are made to face one end in the front-rear direction of the installation waiting block 11 on the ground surface.
(2) The carts 1 and 2 raise the first front wheel 4 to advance. When the first front wheel 4 reaches the upper side of the installation waiting block 11, the first front wheel 4 is lowered and placed on the upper surface of the installation waiting block 11, as shown in FIG.
(3) Next, the carriages 1 and 2 raise the second front wheel 5 and advance it. When the second front wheel 5 reaches the upper side of the installation waiting block 11, the second front wheel 5 is lowered and placed on the upper surface of the installation waiting block 11, as shown in FIG. The front trolley 1 is in a state where the front rides on the installation waiting block 11.

(4) The carriages 1 and 2 are advanced in a state where the first front wheel 4 and the second front wheel 5 are placed on the installation waiting block 11. When the first front wheel 4 passes the upper surface of the installation waiting block 11, as shown in FIG. 8, the first front wheel 4 is lowered and placed on the ground surface. Next, when the second front wheel 5 passes the upper surface of the installation waiting block 11, the second front wheel 5 is also lowered and placed on the ground surface.

Then, as shown in FIG. 9, the front carriage 1 is stretched over the installation waiting block 11 and is in an elevated state. The entire installation waiting block 11 enters the block space 3. On the rear upper side of the nut 12 on the upper surface of the installation waiting block 11, the lifting couplers 8 and 9 are located.
In the installation waiting block 11, the suspension bolts 13 are screwed onto the nuts 12 and the suspension couplers 12 and 13 are attached.

(5) When the installation waiting block 11 with the suspension couplers 12 and 13 is positioned in the block space 3, the first front wheel 4 is raised. On the other hand, the second front wheel 5 and the rear wheel 6 are raised to lower the carriages 1 and 2. The hanging recess 9 of the lifting connection tool is set to the same height as the suspension bolt 13 of the lifting connection tool. The carts 1 and 2 are moved forward. Then, as shown in FIG. 10, the head and neck of the suspension bolt 13 are inserted into the hanging recess 9. The lifting couplers 8 and 9 are coupled to the hanging couplers 12 and 13.
Thereafter, the second front wheel 5 and the rear wheel 6 are lowered to raise the carts 1 and 2. As shown in FIG. 11, the carriages 1 and 2 lift the installation waiting block 11 from the ground surface.

(6) The carts 1 and 2 raise the first front wheel 4 and move forward while the installation waiting block 11 is suspended. When the first front wheel 4 reaches the upper side of the installed block 11A on the ground foundation, the first front wheel 4 is lowered and placed on the upper surface of the installed block 11A as shown in FIG.
(7) Next, the carriages 1 and 2 raise the second front wheel 5 and advance it. When the second front wheel 5 reaches the upper side of the installed block 11A, the second front wheel 5 is lowered and placed on the upper surface of the installed block 11A as shown in FIG.

(8) The carriages 1 and 2 are advanced in a state where the first front wheel 4 and the second front wheel 5 are placed on the upper surface of the installed block 11A. The installation waiting block 11 is carried to a position adjacent to the installed block 11A. The carts 1 and 2 are lowered. The installation waiting block 11 is lowered to the ground surface. As shown in FIG. 14, the installation waiting block 11 is installed on the ground foundation adjacent to the installed block 11A on the ground foundation.

(9) After the installation waiting block 11 is installed at a predetermined installation position, the carriages 1 and 2 are moved backward and raised. Then, as shown in FIG. 15, the lifting connectors 8 and 9 are separated from the hanging connectors 12 and 13.
The suspension bolt 13 is extracted from the nut 12. Cars 1 and 2 are moved backward. When the second front wheel 5 passes through the upper surface of the block 11a immediately after installation, the second front wheel 5 is lowered to the ground as shown in FIG. When the first front wheel 4 also passes through the upper surface of the block 11a immediately after installation, the first front wheel 4 is lowered to the ground surface. The front cart 1 gets off from the block 11a immediately after installation.

[Modification]
1) In the above embodiment, the block 11 is a box-shaped culvert with a square tube shape, but it is a portal culvert with an open lower surface or a C-shaped waterway block with an open right or left side. Or as shown in FIG. 17, it is set as the block 16 for perforated pipes in which the several through-hole penetrated in the front-back direction.
2) In the above embodiment, the lifting couplers 8 and 9 and the hanging couplers 12 and 13 are in four pairs, but are in three, two or one pair.
3) In the above embodiment, when the suspension bolt 13 is attached to the nut 12, it is immediately after the front carriage 1 moves forward and the installation waiting block 11 enters the block space 3. If bolt 13 does not interfere, do so. For example, before the carts 1 and 2 start moving forward.
4) In the above embodiment, the point of time when the suspension bolt 13 is removed from the nut 12 is just before the carriages 1 and 2 are moved backward, but when the suspension bolt 13 does not interfere with the backward movement of the front carriage 1, the front carriage 1 After getting off the block 11a just after installation.

DESCRIPTION OF SYMBOLS 1, 2 Car 1 Front car 2 Rear car 3 Block space 4 First front wheel 5 Second front wheel 6 Rear wheel 7 Driver's seat 8, 9 Lifting connection tool 8 Lifting member 9 Hanging recess 11 Block, box Culvert, installation waiting block 11a Block 11A immediately after installation Blocks 12, 13 Suspended connecting tool 12 Insert nut 13 Suspension bolt 16 Block, perforated pipe block

Claims (4)

In the installation device to install the block by moving the carriage forward and backward,
The carriage has a front carriage attached to the front side of the rear carriage, the first front wheel and the second front wheel are provided so as to be movable up and down below the front part of the front carriage, and the second front wheel is arranged behind the first front wheel. The rear wheel is provided on the lower side of the rear carriage so that the rear wheel can be raised and lowered, and the front and rear carriages are lowered and raised by the raising operation and the lowering operation of the rear wheel and the second front wheel,
The uppermost position of the first front wheel and the second front wheel and the lower surface position of the front carriage are made higher than the block, and a block space for housing the block and a lifting connector are provided below the front carriage, and the block space A block installation apparatus characterized in that a lifting connector is arranged on the upper surface of the block, and the lifting connector is connectable to the hanging connector on the upper surface of the block.   The front carriage is configured such that a position attached to the rear carriage can be changed in the vertical direction, and the height of the block space and the uppermost positions of the first front wheel and the second front wheel can be adjusted. The block installation device described in 1. In the method of installing the block using an installation device for moving the carriage forward and backward,
The trolley of the installation device has a front trolley attached to the front side of the rear trolley, a first front wheel and a second front wheel are provided on the front lower side of the front trolley so that it can be raised and lowered, and the second front wheel is disposed behind the first front wheel. The rear wheel is arranged on the lower side so that the rear wheel can be moved up and down, the uppermost position of the first front wheel and the second front wheel, and the lower surface position of the front carriage are higher than the block, and the rear lower part of the front carriage A block space and a lifting connector are provided on the side, and a lifting connector is arranged on the upper surface of the block space.
The carriage faces one end of the installation waiting block on the ground surface, raises the first front wheel and moves forward, and when the first front wheel reaches the upper side of the installation waiting block, the first front wheel is lowered to wait for installation. Place on the upper surface of the block, then raise the second front wheel to advance, and when the second front wheel reaches the upper side of the installation waiting block, lower the second front wheel and place it on the upper surface of the installation waiting block,
The carriage moves forward with the first front wheel and the second front wheel placed on the upper surface of the installation waiting block, and when the first front wheel passes the upper surface of the installation waiting block, the first front wheel is lowered to the ground surface. Next, when the second front wheel passes the upper surface of the installation waiting block, the second front wheel is lowered and placed on the ground surface, and the front carriage is placed above the installation waiting block to be in an elevated state, and the installation waiting block Put in the block space,
The lifting connector is connected to the suspension connector on the upper surface of the installation waiting block, the rear wheel and the second front wheel are lowered to raise the carriage, and the installation waiting block is lifted from the ground surface.
With the installation waiting block suspended, the carriage raises the first front wheel to advance, and when the first front wheel reaches the upper side of the installed block, the first front wheel is lowered to Place on the top surface, then raise the second front wheel to advance, and when the second front wheel reaches the upper side of the installed block, lower the second front wheel and place it on the top surface of the installed block,
The carriage moves forward with the first front wheel and the second front wheel placed on the upper surface of the installed block, carries the waiting block to a position adjacent to the installed block, and the rear wheel and the second front wheel. To lower the carriage, lower the installation waiting block to the ground, the installation waiting block is installed on the ground adjacent to the installed block on the ground,
After the installation waiting block is installed, the carriage is moved backward, the lifting coupler is separated from the hanging coupler, and the front carriage is lowered from the block immediately after installation.   4. The front carriage is configured such that a position attached to the rear carriage can be changed in the vertical direction, and the height of the block space and the uppermost positions of the first front wheel and the second front wheel can be adjusted. Installation method of the block described in 1.

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