JP5521246B2 - Drainage culvert forming device - Google Patents

Description

  The present invention relates to a drainage culvert forming apparatus for forming a drainage culvert by forming a guide groove in advance in a drainage culvert formation planned position in a field and then covering the culvert drainage pipe with a hydrophobic material while laying the culvert drainage pipe. .

  Using a culvert drainage pipe laying device, a culvert drainage pipe is laid in the ground of the field, and drainage from the field is conducted through the culvert drainage formed by covering the culvert drainage pipe with a hydrophobic material, or It has been done to control the groundwater level.

  As an underdrain drainage pipe laying device, for example, Patent Document 1 discloses a water-flow pipe guide that sends a water-flow pipe toward a bottom of the water-flow pipe buried groove formed by the excavation part of the water-flow pipe buried groove. And a drainage culvert forming apparatus including a hydrophobic material feeding unit that feeds a hydrophobic material into an upper portion of a water flow pipe fed from a water flow pipe guide portion to a groove bottom portion.

  As shown in FIG. 7, before forming the drainage culvert using the drainage culvert forming device, the guide groove 21 having a groove width equal to or smaller than the groove width of the water passage pipe buried groove is formed in advance. The guide groove 21 is formed by using an excavator 24 having a guide groove forming blade at the tip of an arm 23 provided in the backhoe 22. When the stone contained in the soil where the drainage culvert is planned to form guide grooves, the blade moves to either the left or right side of the guide grooves by the blade, so the excavation formation of the water pipe buried groove following the guide grooves is obstructed by the stones It can be done easily without causing stones in the soil to float on the ground surface, so that it does not adversely affect the cultivation work.

  Thereafter, the drainage culvert forming device is moved along the guide groove to feed the water passage pipe to the bottom of the groove, and a hydrophobic material is put on the water passage pipe to form the drainage culvert.

JP 2006-002400 A

  In the method described in Patent Document 1, a tow vehicle such as a backhoe equipped with a drilling tool for forming a guide groove and a bulldozer equipped with a drainage culvert forming device for forming a drainage culvert is separately prepared. There is a need. Alternatively, when working with the excavator and the drainage culvert formation device attached to one backhoe arm, the excavation tool or the drainage culvert formation device must be removed and replaced after the guide groove formation work or drainage culvert formation is completed. Therefore, there is a drawback that work is troublesome.

  Also, when pushing the drainage culvert forming device along the guide groove, if the excavator is displaced from the guide groove, the excavator is fixed to the work vehicle, so the work cannot be continued along the guide groove and the operation is frequently interrupted. There was a problem that work efficiency was bad.

  Therefore, the present invention provides a drainage culvert forming apparatus in which a guide groove forming operation and a drainage culvert formation operation can be performed with the same apparatus, and an excavator can smoothly move along the guide groove. .

The guide culvert drainage forming apparatus for forming the guide groove and the culvert drainage according to the present invention is configured such that after the guide groove is formed, the flexible culvert drainage pipe is sent out while being advanced along the guide groove, and the culvert is laid. In the underdrain drainage forming apparatus that forms the drainage pipe by covering the drainage pipe with the hydrophobic material and forms the underdrainage, the hydrophobic material input chute for injecting the hydrophobic material onto the underdrainage pipe and the groove by opening the soil And a tubular underdrain drainage pipe guide portion that guides the underdrain drainage pipe and feeds it into the groove at the rear of the excavation body, and is attached to the backhoe arm at the top of the excavation body but it said cutting member via a rotating unit rotatable 180 degrees opposite position the orientation of the drilling member, in forming the guide groove is connected so that it can not rotate also, the underdrain When formed it is characterized in that it is connected so as to rotate freely relative to the backhoe.

  The underdrain drainage forming apparatus of the present invention can form the guide groove and underdrain drainage with a single device, so it is not necessary to prepare the undercut drainage forming apparatus and the underdrain drainage device separately, or the guide groove formation There is no need to replace the device and underdrain drainage forming device.

  Further, in the present invention, since the cutting body is rotatable with respect to the arm of the backhoe, even if the cutting body receives resistance, the cutting body rotates along the guide groove, so that it can proceed smoothly.

It is a side view of the underdrain drainage forming apparatus of the present invention. It is a front view of the underdrain drainage forming apparatus of the present invention. It is a figure which shows the rotation part of the culvert drainage formation apparatus of this invention. It is a perspective view of the underdrain drainage forming apparatus of the present invention. It is a figure which shows the state which forms a guide groove with the underdrain drainage forming apparatus of this invention. It is a figure which shows the state which throws in a hydrophobic material with the underdrain waste water forming apparatus of this invention. It is a figure which shows the state which forms a guide groove with the conventional excavation tool.

  Embodiments of the present invention will be described with reference to the drawings.

  1 to 4, a culvert drainage forming apparatus 1 includes a hydrophobic material charging chute 2 and a cutting body 3, which are integrally formed.

  A hopper 4 for storing the hydrophobic material is formed on the upper portion of the hydrophobic material charging chute 2. From the hydrophobic material charging chute 2, a hydrophobic material (for example, rice husk or wood chip) is charged onto a culvert drain pipe laid in the groove.

  An attachment member 5 to be attached to the arm 18 (FIG. 5) of the backhoe 17 is provided on the upper portion of the cutting body 3 that excavates the soil to form a groove. The attachment member 5 and the cutting body 4 are rotatably connected. The attachment member 5 is connected to the arm of the backhoe via a link mechanism, and operates the link mechanism to maintain the underdrain drainage pipe forming apparatus 1 at a predetermined level and maintain a predetermined excavation depth.

  The attachment member 5 and the cutting body 3 are rotatably connected via a rotation mechanism 6. For example, the rotating mechanism fixes the lower part of the rotating part 6 to the cutting body 3 and fixes the sliding plate 8 to the convex part 7 formed on the upper part of the rotating part 6. The mounting member 5 is formed with a recess 9 into which the convex portion 7 is inserted, and the sliding plate 8 is slidably supported in a sliding groove 10 formed on the inner periphery of the recess 9, thereby mounting the mounting member 5 and the cutting body. 3 can be rotatably connected. When forming the guide groove, the cutting body 3 is fixed with a fastener such as a bolt so that it cannot rotate.

  The excavation body 3 has an excavation blade 11 formed at the front edge, and an excavation member 12 is attached to the lower end thereof. As the excavation body 3 advances, the excavation member 12 excavates, and the excavation blade 11 cuts the soil to form a guide groove 19 (FIG. 5).

  In the rear part of the excavation body 3, a flexible underdrain pipe 16 (FIG. 6) is continuously drawn out and laid on the bottom of the groove formed by the excavation body 3. A curved tubular culvert drainage pipe guide 13 for guiding is formed in the vertical direction. The culvert drain pipe is unwound from the reel and introduced into the culvert drain pipe guide 13.

  A pipe pressing roller 14 is arranged at the lower end of the culvert drainage pipe guide portion 13 in order to press the culvert drainage pipe fed into the vertical groove from above and press-fit it to the bottom of the vertical groove. The pipe pressing roller 14 can be adjusted in level by moving up and down according to the diameter of the culvert drain pipe.

  The culvert drain pipe forming apparatus 1 is provided with a mast 15 for a laser receiver, and the level is measured by a laser emitted from a laser issuer in the field so that the culvert drain pipe forming apparatus 1 is held at a constant level. The underground penetration depth is controlled by operating the link mechanism.

  The usage method of the underdrain drainage forming apparatus of this invention is demonstrated.

As shown in FIG. 5, the attachment member 5 of the underdrain drainage pipe forming apparatus 1 is attached to the arm 18 of the backhoe 17. In order to form the guide groove 19, the excavating blade of the excavating body 3 is rotated and fixed to the backhoe side. Thereafter, the drainage culvert to be formed position down the underdrain pipe forming apparatus 1, forming the guide groove 19 in the drilling body 3 and towed backhoe 1 7. Since the stone contained in the soil moves to either the left or right of the guide groove when forming the guide groove 19, the excavation formation of the water pipe buried groove following the guide groove can be easily performed without being obstructed by the stone, The stones in the soil are not discharged to the ground surface, so there is no impact on the cultivation work.

  As shown in FIG. 6, after the guide groove 19 is formed by the excavated body 3, the excavator 3 is turned to the opposite side of the backhoe 17 by removing the fasteners and rotating the excavated body 3 and the hydrophobic material charging chute by 180 degrees. .

  After the hydrophobic material 20 is stored in the hopper of the hydrophobic material charging chute 2, the culvert drainage pipe forming apparatus 1 is pushed by the backhoe 17. The excavated body 3 advances along the guide groove 19.

  As the excavating body 3 advances, the excavating member 12 advances, and the guide groove 19 is cut open by the excavating blade 11. At the same time, a flexible culvert drain pipe 16 is introduced into the tubular culvert drain pipe guide portion 13 and continuously drawn out and laid at the bottom of the groove. Further, the hydrophobic material 20 is charged from the hydrophobic material charging chute 2 to cover the culvert drain pipe 16. When the culvert drainage forming apparatus 1 is pushed, the culvert drainage pipe forming apparatus 1 is in a state of being rotatable with respect to the backhoe 17, so that the operation proceeds smoothly following the guide groove 19 and the operation is interrupted. Therefore, it is possible to efficiently form underdrainage.

1: Underdrain drainage forming device 2: Hydrophobic material charging chute 3: Cutting body 4: Hopper 5: Mounting member 6: Rotating part 7: Convex part 8: Sliding plate 9: Concave part 10: Sliding groove 11: Excavation blade 12: Excavation member 13: Underdrain drain guide 14: Tube presser roller 15: Laser receiver mast 16: Underdrain drain 17: Backhoe 18: Arm 19: Guide groove 20: Hydrophobic material 21: Guide groove 22: Backhoe 23: Arm 24 : Drilling tool

Claims (3)

A guide groove for forming a culvert drainage by covering the laid drainage drain pipe with a hydrophobic material by sending out and laying a flexible conduit drainage pipe while advancing along the guide groove after forming the guide groove, and In the underdrain drainage forming device that forms underdrainage,
A hydrophobic material injection chute for injecting a hydrophobic material onto the underdrainage pipe and an excavation body for cutting the soil to form a groove are provided integrally, and the underdrainage pipe is guided to the rear of the excavation body and fed into the groove. A tubular underdrain drainage guide is provided,
A mounting member attached to the backhoe arm on the upper part of the excavated body is connected so that it cannot rotate when the guide groove is formed with the cutting body via a rotating part that can rotate the excavated body to a position opposite to 180 degrees. In addition, the underdrain drainage forming apparatus for forming the underdrain drainage is characterized by being connected to the backhoe so as to be rotatable when the underdrain drainage is formed. A concave part into which the convex part formed on the upper part of the rotary member enters is formed in the mounting member, and a sliding plate provided on the convex part is slidably supported in a sliding groove formed on the inner periphery of the concave part. characterized in that there, underdrain forming apparatus for forming a guide groove and underdrain of claim 1, wherein. The underdrain drainage forming apparatus for forming guide groove and underdrainage according to claim 1 or 2 , further comprising a fastener for preventing rotation of the cutting body when forming the undergroove.

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