JP2019127799A - Crushed stone filling device and method - Google Patents

Abstract

To provide crushed stone filling device and method which can efficiently fill the groove with a crushed stone and can improve workability.SOLUTION: A crushed stone filling device 11 that fills a groove 15 with a crushed stone 16 includes: a crushed stone filling part 21 which is opened in a vertical direction, is formed such that dimensions of outer surfaces of both of side walls are narrower than the groove width of the groove, and is inserted into the groove; a hopper part 22 continuously arranged above the crushed stone filling part; a work machine mounting part 23 provided at the upper part on one side in a groove length direction of the hopper part; a crushed stone support member 24 which is provided between the hopper part and the crushed stone filling part, prevents falling of the crushed stone to the crushed stone filling part from the hopper part and is removal; a falling amount control member 25 which controls the falling amount of the crushed stone falling from the hopper part to the crushed stone filling part; and a side wall protective member 26 formed so that a tip width dimension in a movement direction is small.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a crushed stone filling apparatus and method, and more particularly, to a crushed stone filling apparatus and method for filling crushed stone in a previously formed groove.

  In various fields, athletic fields, schoolyards, parks, etc., to control the groundwater level, a water supply / drainage pipe is laid at the bottom of the excavated groove, and crushed stone is filled on the water supply / drainage pipe. Filling with earth and sand is widely performed (for example, refer to Patent Documents 1 and 2). In addition, a drainage culvert forming device is known in which grooves formed in the ground of a farm are filled with rice husks, wood chips, and the like as drainage promotion materials (see, for example, Patent Document 3).

Japanese Patent Laid-Open No. 9-248081 Japanese Patent Laid-Open No. 11-46605 JP 2004-244803 A

  The work of filling crushed stone on the water supply / drainage pipe is generally done by scooping the crushed stone into the bucket of the hydraulic excavator, putting the crushed stone from the bucket into the groove little by little, and then the operator leveling the upper surface of the crushed stone. It was done. Therefore, the work efficiency is low and there is a problem in workability. Further, since crushed stone is heavier than rice husks and wood chips, the conventional drainage culvert forming apparatus cannot be applied as it is, and a hydraulic excavator for transferring crushed stone is separately required.

  Then, this invention aims at providing the crushed stone filling apparatus and method which can perform the filling of the crushed stone in a groove | channel efficiently, and can aim at the improvement of workability | operativity.

  In order to achieve the above object, the crushed stone filling device of the present invention is a crushed stone filling device for filling crushed stone at a preset height in a groove formed in advance, which is open in the vertical direction and the outer surfaces of both side walls The crushed stone filling portion formed to be narrower than the groove width of the groove and inserted into the groove, the hopper portion continuously provided above the crushed stone filling portion, and the groove length direction of the hopper portion The work machine mounting unit provided on the upper side of one side, and between the hopper unit and the crushed stone charging unit, is closed when the crushed stone is skimmed in the hopper unit, and the hopper unit is closed to the crushed stone charging unit And a removable crush support member for preventing the falling of crushed stone and being open when filling the crushed stone into the groove from the crushed stone filling portion and allowing the falling of the crushed stone from the hopper portion to the crushed stone filled portion; Installed between the hopper and the crushed stone filling part A falling amount control member for controlling the falling amount of crushed stone falling from the hopper portion to the crushed stone filling portion, and a side wall protecting member provided at the front end in the advancing direction of the crushed stone filled portion and having a small tip width dimension. It is characterized by having.

  Furthermore, in the crushed stone filling apparatus according to the present invention, the work machine mounting portion is mounted on the tip of a working arm of a hydraulic excavator, and is grounded to the upper surface of both side walls of the crushed stone filling portion and to the ground surface on both sides of the opening of the groove. The insertion amount setting members are arranged respectively.

  Further, according to the crushed stone filling method of the present invention, in the crushed stone filling method in which crushed stone is filled at a preset height in a groove formed in advance, the vertical direction is open and the dimensions of the outer surfaces of both side walls are the groove A crushed stone filling portion inserted into the groove, a hopper portion continuously provided above the crushed stone filling portion, and provided at an upper portion on one side in the groove length direction of the hopper portion. And a removable crushed stone supporting member provided between the hopper unit and the crushed stone filling unit to prevent the crushed stone from falling from the hopper unit to the crushed stone filling unit, the hopper unit, and the hopper unit A falling amount control member for controlling the falling amount of crushed stone falling from the hopper portion to the crushed stone filling portion, and a forward end in the traveling direction of the crushed stone filled portion, and the tip width dimension is formed small A side wall protection member, Using the crushed stone loading device with the mounting unit mounted at the tip of the working arm of the hydraulic shovel, operating the working arm of the hydraulic shovel in a state where the crushed stone supporting member is attached to prevent falling of crushed stone from the hopper unit to the crushed stone filling unit. , Scooping crushed stone into the hopper, and scooping crushed stone into the hopper, then inserting the crushed filler with the side wall protection member facing forward in the moving direction and removing the crushed stone supporting member The crushed stone can be dropped from the hopper portion to the crushed stone filling portion, the crushed stone filling device is moved along the groove by operating the hydraulic excavator, and the crushed stone is sequentially filled into the groove from the hopper portion through the crushed stone filling portion. After filling the crushed stone in the groove into the groove, take out the crushed stone filled part from the groove, attach the crushed stone support member and scoop the crushed stone into the hopper sequentially It is characterized by filling the crushed stone in the groove returned Ri.

  According to the present invention, after the crushed stone supporting member is attached and skimmed in the hopper portion in the closed state, a predetermined amount of the crushed stone filled portion is inserted into the groove, and the crushed stone supporting member is removed to open the crushed state By moving the filling device along the groove by the working machine, it is possible to fill the groove with a uniform height while preventing the crushed stone from being mixed into the soil formation layer.

It is a side view which shows one example of the state which mounts the crushed stone filling apparatus of this invention in the working arm front-end | tip of a hydraulic excavator, and is performing the crushed stone filling operation | work. It is II-II sectional drawing of FIG. It is a cross-sectional side view of a crushed stone filling apparatus. It is IV-IV sectional drawing of FIG. It is explanatory drawing which shows a motion of the crushed stone filling apparatus in the process of scooping up crushed stone in a hopper part. It is explanatory drawing of the state which inserted the crushed stone filling part in a groove | channel, removed the crushed stone support member, and made it possible to insert a crushed stone in a groove | channel. It is explanatory drawing of the state which is falling in the groove | channel, without leaving the crushed stone in a hopper part. It is explanatory drawing which shows the state which attaches a crushed stone support member after completion | finish of a crushed stone filling operation | work.

  1 to 4 show one embodiment of the crushed stone filling device of the present invention. The crushed stone filling device 11 shown in this embodiment is attached to the tip of the working arm 13 of the hydraulic shovel 12 instead of the bucket usually attached, and is formed in advance by various groove forming devices, 14 is formed so that the crushed stone 16 is filled in a preset height. In addition, the shape and formation method of a groove | channel are arbitrary and the water supply / drainage pipe 14 may not be provided.

  The crushed stone filling device 11 includes a crushed stone filling portion 21 inserted into the groove 15, a hopper portion 22 continuously provided above the crushed stone filling portion 21, and an operation provided on one upper side of the hopper portion 22. Of the machine mounting portion 23, the crushed stone support member 24 provided between the hopper portion 22 and the crushed stone filling portion 21, the fall amount control member 25 provided on the upper portion of the crushed stone support member 24, and the crushed stone filling portion 21 A side wall protection member 26 provided at the front end in the traveling direction and an insertion amount setting member 27 respectively disposed at the upper end portions of both side walls of the crushed stone filling portion 21 are provided.

  The crushed stone filling portion 21 is formed in a rectangular parallelepiped shape that is long in the longitudinal direction (front-rear direction) of the groove 15 and short in the width direction in a plan view, and is formed in a rectangular tube shape having an opening in the vertical direction. The width is set to be the same as or slightly narrower than the width of the groove 15, and is narrowed by, for example, 1 to 15 mm, depending on the width of the groove 15. The insertion amount setting member 27 is inserted into the ground portion 27a whose lower surface is in contact with the ground surface 15a on both sides of the opening of the groove 15, the guide portion 27b bent obliquely upward from the front end of the ground portion 27a And a support leg 27c for fixing the amount setting member 27. By putting the ground contact portion 27a into contact with the ground surface 15a during the crushed stone filling operation, the crushed stone filled portion 21 can be inserted into the groove 12 to a preset depth, and the lower end portion of the crushed stone filled portion 21, particularly, The lower end on the rear side in the traveling direction is formed to have a filling height of the crushed stone 16 into the groove 15.

  The hopper portion 22 has a funnel-shaped portion 22a gradually enlarged upward from the upper opening of the crushed stone filling portion 21 and a box-shaped portion 22b continuous with the upper portion of the funnel-shaped portion 22a when viewed from the front-rear direction And the reinforcing member 22c provided at the upper end of the box-shaped part 22b, and the work implement mounting part 23 is provided on the front side of the box-shaped part 22b and the reinforcing member 22c. The work implement mounting portion 23 is formed in the same shape as a normal bucket, and allows the bucket and the crushed stone filling device 11 to be easily exchanged with respect to the work arm 13.

  The crushed stone supporting member 24 is a plate member slidably provided on a guide rail 24a provided in the lower front and rear direction of the funnel shaped portion 22a, and the opening from the funnel shaped portion 22a to the crushed stone filling portion 21 is completely It has a size to be closed. The crushed stone supporting member 24 is attached to and detached from the crushed stone filling device 11 at the front end of the crushed stone supporting member 24 which protrudes through the slit 22d provided on the front wall of the funnel portion 22a and protrudes forward of the hopper portion 22. A handle 24b is provided for use. By attaching the crushed stone supporting member 24 and closing it, the crushed stone 16 can be skimmed into the hopper portion 22. By removing the crushed stone supporting member 24 and opening it, the hopper portion 22 to the crushed stone filled portion 21 The crushed stone 16 can be allowed to fall, and the crushed stone 16 can be filled into the groove 15 from the crushed stone filling portion 21.

  The fall amount control member 25 is provided on the upper portion of the crushed stone support member 24 and is made of a plate material having a size that forms an opening 25a having a preset size between the rear wall of the funnel-shaped portion 22a. And it is being fixed to the both sides wall of the funnel-shaped part 22a by the fixing member 25b.

  The side wall protection member 26 is formed in a triangular shape whose front end side is sharpened in a plan view, and the crushed stone is filled by connecting the rear side outer surface of the side wall protection member 26 and the front outer surface of the crushed stone filling portion 21. The side wall of the groove 15 is prevented from being damaged by the front end corner portion of the portion 21.

  As shown in FIG. 1, the crushed stone filling device 11 thus formed is mounted with the crushed stone filling device 11 mounted on the tip of the working arm 13 of the hydraulic shovel 12 and with the crushed stone 16 placed in the hopper portion 22. The portion 21 is inserted into the groove 15, the insertion amount setting member 27 is grounded to the ground surface 15a, the hydraulic shovel 12 is advanced in a state where the crushed stone supporting member 24 is removed, and the crushed stone filling device 11 is moved along the groove 15. The crushed stone filling operation is performed by causing the crushed stone 16 in the hopper portion 22 to fall into the groove 15 from the lower opening of the crushed stone filling portion 21 through the opening 25a of the fall amount control member 25 and after the crushed stone filled portion 21. The crushed stone 16 is filled in the groove 15 up to the height of the wall.

  5 to 8 show an example of a procedure for filling the crushed stone 16 into the groove 15 using the crushed stone filling device 11. In addition, in the following description, the same code | symbol is attached | subjected to the component same as the component of the crushed stone filling apparatus shown to the said example, and detailed description is abbreviate | omitted.

  First, as shown in FIG. 5, the crusher 11 is attached with the crusher support member 24 in the same manner as the operation for scooping earth and sand with the normal bucket with the working arm 13 in the hydraulic shovel 12, for example, dump truck The crushed stone 16 loaded on the loading platform is scooped into the hopper 22. At this time, since the crushed stone support member 24 is attached and is in the closed state, the crushed stone 16 is held in the hopper portion 22 without falling from the hopper portion 22 to the crushed stone filling portion 21.

  Next, as shown in FIG. 6, the side wall protection member 26 is directed forward in the moving direction, and the crushed stone filling portion 21 is inserted into the groove 15 until the insertion amount setting member 27 contacts the ground surface 15a, and the crushed stone support member 24 is pulled forward and removed from the crushed stone filling device 11 to be opened, and then the excavator 12 is advanced. Thereby, as shown in FIG. 1, the crushed stone 16 dropped from the hopper portion 22 to the crushed stone filling portion 21 is filled in the groove 15 and preset in the groove 15 on the rear side in the traveling direction of the crushed stone filling device 11 The crushed stone 16 is sequentially filled up to a certain height (depth). At this time, damage to the side wall of the groove 15 is suppressed by the side wall protection member 26, so that it is possible to prevent the water supply / drainage pipe 14 from being buried with the earth and sand that has fallen due to the damage to the side wall.

  Also, when filling the next crushed stone 16 in the groove 15 filled with crushed stone 16 halfway, the crushed stone filling portion 21 is lowered onto the crushed stone 16 previously filled, and then the crushed stone support member 24 is removed. By moving the crushed stone filling device 11 forward, the crushed stone 16 can be filled into the groove 15 in a continuous state. In addition, by providing the fall amount control member 25, even if the hopper portion 22 has a large capacity, a large amount of crushed stone 16 does not fall into the groove 15 at the same time. Since the weight of the crushed stone 16 applied to the crushed stone support member 24 is reduced, the crushed stone support member 24 can be easily extracted.

  Furthermore, as shown in FIG. 7, when the amount of crushed stone in the hopper portion 22 decreases, the crushed stone filling device is directed such that the opening 25 a faces downward with the rear portion of the crushed stone filled portion 21 inserted in the groove 15. By tilting 11, all of the crushed stone 16 in the hopper 22 can be dropped into the groove 15 from the opening 25 a.

  When the inside of the hopper portion 22 becomes empty, as shown in FIG. 8, the crushed stone filling portion 21 is taken out from the groove 15, and the crushed stone support member 24 is attached through the slit 22d. After attaching the crushed stone support member 24, the operation returns to the step of skimming the crushed stone shown in FIG. 5, and the crushed stone is skimmed, inserted into the groove 15 of the crushed stone filling portion 21, removed the crushed stone support member 24, It is possible to fill the crushed stone 16 at a predetermined height over the entire length of the groove 15 by sequentially repeating the operations of moving the crushed stone filling device 11 along, taking out the crushed stone filling portion 21, and attaching the crushed stone support member 24. it can.

  Therefore, by mounting the crushed stone filling device 11 on the hydraulic shovel 12, the charging of the crushed stone 16 into the hopper portion 22 of the crushed stone filling device 11, the filling of the crushed stone 16 into the groove 15, the crushing stone 16 in the groove 15 Since the leveling work can be easily performed by operating one hydraulic excavator 12 without relying on human hands, the work of filling the crushed stone into the groove 15 can be performed efficiently by a small number of people. There is no need to prepare a separate hydraulic excavator for transferring from the loading platform to the hopper.

  The crushed stone filling device can be mounted on various working machines as long as the crushed stone scooping operation or the inserting operation into the groove is possible, and the shape of the working machine mounting portion is the same as that of the working machine. It can be formed in an appropriate shape according to the condition. Further, the side wall protection member may have an arc shape on the front end side, and the insertion amount setting member may be a wheel or the like. Further, the insertion amount setting member can be omitted if the vertical position of the crushed stone filling portion can be controlled by other means. Furthermore, the crushed stone filling device of the present invention is mainly used for filling crushed stone into the groove, but can also be used when filling the groove with rice husks, wood chips, volcanic ash and the like.

  11: crushed stone filling device, 12: hydraulic shovel, 13: working arm, 14: water supply and drainage pipe, 15: groove, 15a: ground surface, 16: crushed stone, 21: crushed stone filling portion, 22: hopper portion, 22a: funnel portion , 22b: box-shaped portion, 22c: reinforcing member, 22d: slit, 23: working machine mounting portion, 24: crushed stone supporting member, 24a: guide rail, 24b: handed portion, 25: falling amount control member, 25a: opening, 25b: Fixing member, 26 ... Side wall protection member, 27 ... Insertion amount setting member, 27a ... Grounding part, 27b ... Guide part, 27c ... Support leg

Claims (4)

  In the crushed stone filling device for filling crushed stone at a preset height in a previously formed groove, the vertical direction is open, and the dimensions of the outer surfaces of both side walls are formed narrower than the groove width of the groove A crushed stone filling portion to be inserted into the groove, a hopper portion continuously provided above the crushed stone filling portion, a work implement mounting portion provided on one upper side in the groove length direction of the hopper portion, and the hopper Provided between the crushed stone filling portion and the crushed stone filling portion, when scooping crushed stone into the hopper portion, it is in a closed state to prevent falling of crushed stone from the hopper portion to the crushed stone filling portion, and from the crushed stone filling portion into the groove A removable crushed stone supporting member which is opened when filling crushed stone and which allows falling of the crushed stone from the hopper portion to the crushed stone filled portion, and is provided between the hopper portion and the crushed stone filled portion to provide a hopper Of crushed stone falling from the section to the crushed stone filling section Lithotripsy filling device, characterized in that it comprises a drop amount control member for controlling the lower amount and a side wall protective member tip width provided in the traveling direction front end of the crushed stone filling portion is formed smaller.   The crushed stone filling apparatus according to claim 1, wherein the work machine mounting portion is mounted on a tip of a work arm of a hydraulic excavator.   The crushed stone filling device according to claim 1 or 2, wherein an insertion amount setting member that contacts the ground surface on both sides of the opening of the groove is disposed at the upper end of both side walls of the crushed stone filling portion.   In the crushed stone filling method in which crushed stone is filled at a preset height in a previously formed groove, the vertical direction is open, and the dimensions of the outer surfaces of both side walls are formed narrower than the groove width of the groove, A crushed stone filling portion to be inserted into the groove, a hopper portion continuously provided above the crushed stone filling portion, a work implement mounting portion provided on one upper side in the groove length direction of the hopper portion, and the hopper A removable crushed stone supporting member provided between the unit and the crushed stone packing unit to prevent the crushed stone from falling from the hopper unit to the crushed stone packing unit; a hopper unit between the hopper unit and the crushed stone packed unit; And a side wall protection member provided at the front end in the direction of movement of the crushed stone filling portion to control the falling amount of crushed stone falling to the crushed stone filling portion, and the side wall protecting member formed with a small tip width dimension; Mount the mounting part to the excavator working area. Using the crushed stone filling device attached to the tip of the system, the crushed stone support member is attached, the crushed stone is prevented from falling from the hopper to the crushed stone filled portion, the working arm of the hydraulic excavator is operated, and the crushed stone is put into the hopper. After scooping and scooping crushed stone into the hopper, the crushed stone filling portion with the side wall protection member facing forward in the moving direction is inserted into the groove, and the crushed stone supporting member is removed from the hopper to the crushed stone filling portion. The crushed stone can be dropped, the hydraulic excavator is operated to move the crushed stone filling device along the groove, the crushed stone is sequentially filled into the groove from the hopper portion through the crushed stone filling portion, and the crushed stone in the hopper portion is placed in the groove. After filling, the crushed stone filling part is taken out from the groove, a crushed stone support member is attached, and the crushed stone is scooped into the hopper part in order to fill the groove with crushed stone. Crushed stone filling wherein the door.

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