Soil and sand receiving device and slope shaping method

Abstract

To improve safety by suppressing the accumulation and scattering of sediment that spills when shaping a slope, and to improve the efficiency of sediment cleaning.SOLUTION: A sediment receiving device 10 installed on a slope 2 to receive the sediment S moving downward comprises a box-shaped main body 20 having an opening 20a for receiving the sediment S and a storage portion 20b for housing the sediment S, a handle portion 30 formed in a gate shape and protruding upward from an upper surface of the main body 20, and an insertion protrusion 40 that protrudes downward from the lower surface of the main body 20 and is inserted into the slope 2.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to an earth and sand receiving device and a slope shaping method.

Background Art

[0002] Conventionally, when constructing an embankment on a slope at a certain slope angle in slope construction work or the like, a backhoe, which is an excavating machine, is driven to the slope shoulder or slope toe in the constructed ground, and the embankment is formed by using an embankment slope construction earth blade (hereinafter referred to as a blade) attached to the tip of its arm. After that, the slope formed by this embankment is shaped to a certain slope angle using the blade and finished. At the time of this finishing, the earth and sand are compacted by hitting the embankment slope with the smooth bottom part of the blade or pressing the bottom part against the embankment slope by operating the arm of the backhoe. In the technique described in Patent Document 1, after the embankment on the inclined surface is formed by the blade, the bottom part of the blade body is pressed against the slope surface formed by this embankment, and then vibration is generated by a vibration generator attached to the rear part thereof to further compact the earth and sand of the embankment.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, when finishing and shaping a slope such as an embankment slope by hitting it with the smooth bottom part of the blade or pressing the bottom part against it, the surface earth and sand may spill. The spilled earth and sand may accumulate in the slope toe or the side ditch around the slope toe, or scatter on the road around the slope toe. And it takes a lot of time and personnel to clean up the spilled earth and sand. The present invention has been made in view of the above circumstances, and its object is to suppress the deposition and scattering of earth and sand that spills during the shaping of slopes, improve safety, and improve the efficiency related to the cleaning of earth and sand.

[0005] In addition, the finish shaping of slopes such as embankment slopes is constructed to have a predetermined angle according to the pitch gradient. However, in the section without a pitch between pitches, it greatly depends on the skill of the operator who operates the backhoe, and there is also a problem that the finish of the slope depends on the skill of the operator. Another object of the present invention is to reduce the dependence on the skill of the operator during the shaping of slopes and lower the construction difficulty in slope construction work.

Means for Solving the Problems

[0006] To solve the above problems, the invention according to claim 1 is An earth and sand receiving device that is installed on a slope and receives earth and sand moving downward, A box-shaped main body portion including an opening into which the earth and sand enters and a storage portion for storing the earth and sand, A handle portion formed in a portal shape and provided so as to protrude above the upper surface of the main body portion, An insertion protrusion provided so as to protrude downward from the lower surface of the main body portion and inserted into the slope, Comprising 、 The main body portion includes a top panel portion that forms the top surface of the accommodating portion and the upper edge of the opening portion, and a bottom panel portion that forms the bottom surface of the accommodating portion and the lower edge of the opening portion, and is provided with, the handle portion penetrates the top panel portion in the thickness direction and is joined to the top panel portion, and the lower end portion is joined to the bottom panel portion Characterized by that.

[0008] Claim 2 The invention according to relates to the earth and sand receiving device described in claim 1 In which An upper part, which is a part of the handle portion located above the upper surface of the main body portion, is configured to be angle-adjustable with respect to the upper surface of the main body portion.

[0009] Claim 3The invention according to claim 2 is a method of checking the angle of the slope using the earth-retaining device described in wherein the upper part of the handle part is adjusted in angle so as to be vertical when the earth-retaining device is installed on the slope, and the earth-retaining device with the upper part adjusted in angle is installed on the slope.

Effect of the Invention

[0010] According to the present invention, it is possible to suppress the deposition and scattering of earth and sand that spills during slope shaping, improve safety, and improve the efficiency related to earth and sand cleaning. In addition, it is possible to reduce the dependence on the skill of the operator during slope shaping and lower the construction difficulty in slope construction work.

Brief Description of the Drawings

[0011]

Figure 1

Figure 2

Figure 3

Mode for Carrying Out the Invention

[0012] Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, although various technically preferable limitations are imposed on the embodiments described below for carrying out the present invention, the technical scope of the present invention is not limited to the following embodiments and illustrated examples.

[0013] In FIG. 1, reference numeral 10 denotes an earth-retaining device. This earth-retaining device 10 is a box-shaped device installed on a slope (normal surface) 2 such as a bank 1 to receive earth and sand S that moves downward during the finish shaping of the slope 2. Note that although the earth-retaining device 10 in the present embodiment is used during the finishing and shaping of the slope 2 of the embankment 1, it is not limited thereto and may be used during the finishing and shaping of the slope of the cut soil or during the surface shaping of the natural slope.

[0014] The earth-retaining device 10 is installed on the slope 2 in a state where the length direction of the earth-retaining device 10 is aligned with the width direction of the slope 2, and is formed so that the side of the cutting shoulder is open when installed. In addition, the installation of the earth-retaining device 10 on the slope 2 is performed by a heavy machine 5 called a backhoe, a shovel car, a power shovel, etc. for performing the finishing and shaping of the slope 2.

[0015] Here, the heavy machine 5 is provided with a bucket 6 attached to the tip of the arm. The bucket 6 is a wing bucket for cutting shoulder formation and has a smooth bottom portion 6a. During the finishing and shaping of the slope 2, pressure is applied by hitting or pressing the slope 2 with the bottom portion 6a to compact the surface layer of the slope 2. At this time, the earth and sand S may spill downward (toward the cutting shoulder). If the earth-retaining device 10 is not installed, the earth and sand S will accumulate in the cutting shoulder or the side ditch 3 around the cutting shoulder, or scatter on the road 4 around the cutting shoulder. The earth-retaining device 10 can receive such earth and sand S so that it does not spill below the earth-retaining device 10.

[0016] Such an earth-retaining device 10 includes a box-shaped main body portion 20, a handle portion 30, and an insertion protrusion portion 40, as shown in FIGS. 2(a), (b), and (c). Note that the entire earth-retaining device 10 is made of metal (for example, steel).

[0017] The main body part 20 consists of an opening part 20a into which the earth and sand S enters, and a storage part 20b that stores the earth and sand S that has entered through the opening part 20a. That is, the opening part 20a refers to the space that is the entrance of the earth and sand S, and the storage part 20b refers to the storage space at the back of the opening part 20a, and these opening part 20a and storage part 20b are integrated. The opening part 20a is formed on the surface of the main body part 20 that faces the slope side when the earth and sand receiving device 10 is installed on the slope 2.

[0018] Such a main body part 20 includes an upper panel part 21, a lower panel part 22, left and right side panel parts 23, a back panel part 24, and a partition panel part 25. Note that each of the panel parts 21, 22, 23, 24, 25 is a steel plate having a certain thickness.

[0019] The upper panel part 21 is a plate part whose lower surface constitutes the top surface of the storage part 20b and one edge part constitutes the upper edge of the opening part 20a. Also, the upper surface of the upper panel part 21 constitutes the upper surface of the entire main body part 20.

[0020] The lower panel part 22 is a plate part whose upper surface constitutes the bottom surface of the storage part 20b and one edge part constitutes the lower edge of the opening part 20a, and is arranged in parallel with the upper panel part 21. Also, the lower surface of the lower panel part 22 constitutes the lower surface of the entire main body part 20 and contacts the slope 2 when the earth and sand receiving device 10 is installed on the slope 2.

[0021] The left and right side panel parts 23 are plate parts whose one side surface (inner surface) constitutes the inner surface of the storage part 20b and one edge part constitutes the side edge of the opening part 20a, and constitute both side surfaces of the entire main body part 20. That is, one side panel part 23 connects one end part in the length direction of the upper panel part 21 and one end part in the length direction of the lower panel part 22, and the other side panel part 23 connects the other end part in the length direction of the upper panel part 21 and the other end part in the length direction of the lower panel part 22. Each of the left and right side plate portions 23 is formed in a symmetrical trapezoidal shape. The upper base (upper end edge) and the lower base (lower end edge) in each side plate portion 23 are arranged in parallel, and one edge portion on the opening 20a side and the other edge portion on the opposite side are set at an asymmetrical angle.

[0022] The back plate portion 24 is a plate portion that constitutes the opposite side surface of the opening 20a, and is integrally joined to the other edge portion of the upper plate portion 21, the other edge portion of the lower plate portion 22, and the other edge portions of the left and right side plate portions 23. By providing the back plate portion 24, the main body portion 20 is in a state where only the surface facing the armpit side is open.

[0023] The partition plate portion 25 is a plate portion for partitioning the storage portion 20b into a plurality of rooms, with its upper end joined to the lower surface of the upper plate portion 21, its lower end joined to the upper surface of the lower plate portion 22, and its other edge portion joined to the back plate portion 24, and is arranged parallel to the left and right side plate portions 23. In the present embodiment, three partition plate portions 25 are arranged in the storage portion 20b, partitioning the storage portion 20b into four rooms. Note that these three partition plate portions 25 and the left and right side plate portions 23 are arranged at substantially equal intervals.

[0024] The handle portion 30 is formed in a gate shape and protrudes upward from the upper surface of the main body portion 20. Since it is formed in a gate shape, the handle portion 30 includes a horizontal frame 31 arranged in the horizontal direction and a pair of left and right vertical frames 32 joined to one end portion and the other end portion in the length direction of the horizontal frame 31. Note that the handle portion 30 of the present embodiment formed in a gate shape is substantially U-shaped, but is not limited thereto, and may be an arch shape with the upper chord curved.

[0025] The handle portion 30 penetrates the upper plate portion 21 of the main body portion 20 in the thickness direction and is integrally fixed to the upper plate portion 21, and the lower end portion 32a is integrally fixed to the lower plate portion 22 of the main body portion 20. More specifically, a notch 21a (which may be a through hole) is formed at a position on the upper surface plate portion 21 of the main body portion 20 where the pair of vertical frames 32 are arranged, and the pair of vertical frames 32 are in a state of being passed through the notch 21a. And, the portions of the pair of vertical frames 32 that are in contact with the upper surface plate portion 21 of the main body portion 20 are joined and fixed to the upper surface plate portion 21 by welding or the like. Also, the lower end portions 32a of the pair of vertical frames 32, which are also the lower end portions of the entire handle portion 30, are joined and fixed to the lower surface plate portion 22 of the main body portion 20 by welding or the like. Thereby, since the central portion and the lower end portion of the handle portion 30 are integrally joined to the main body portion 20, the mounting strength with respect to the main body portion 20 becomes high.

[0026] Each of the pair of vertical frames 32 is adjacent to the partition plate portion 25 of the main body portion 20 and is arranged along the partition plate portion 25. The pair of vertical frames 32 arranged in this way may be joined and fixed to the partition plate portion 25 by welding or the like. The portion of the main body portion 20 where the partition plate portion 25 is welded and fixed has high rigidity. Since a pair of vertical frames 32 are arranged in the vicinity of such a portion and are joined and fixed to the main body portion 20 by welding or the like, the mounting strength of the handle portion 30 with respect to the main body portion 20 becomes extremely high.

[0027] The insertion protrusion 40 is a protrusion (spike, claw) that protrudes downward from the lower surface of the lower surface plate portion 22 of the main body portion 20 and is inserted into the inclined surface 2. The upper portion of the insertion protrusion 40 is formed in a columnar shape, and the lower portion is formed so as to gradually become sharper toward the tip. Therefore, it is easy to insert into the inclined surface 2. Note that there are two insertion protrusions 40 in this embodiment, and they are arranged at both ends in the length direction of the main body portion 20. Also, these two insertion protrusions 40 are arranged on the side of the opening 20a of the lower surface plate portion 22. However, it is not limited to this, and there may be more, and as long as it is the lower surface of the lower surface plate portion 22 of the main body portion 20, it may be arranged at another location.

[0028] In the earth-retaining device 10 configured as described above, the bucket 6 of the heavy machine 5 is inserted between the upper surface of the main body 20 and the horizontal frame 31 of the handle 30 and lifted. When installed on the slope 2, it is installed in a state where the length direction of the earth-retaining device 10 is aligned with the width direction of the slope 2 and the opening 20a faces the slope shoulder side. The insertion protrusion 40 will be naturally inserted into the slope 2 by the self-weight of the earth-retaining device 10. In this embodiment, it is assumed that the earth-retaining device 10 is lifted and installed by the heavy machine 5, but it may also be lifted and installed by a heavy machine such as a crane. Also, although the heavy machine 5 is to be arranged on the slope shoulder in the constructed ground, it may be arranged on the slope heel to perform the installation work of the earth-retaining device 10.

[0029] When finishing and shaping the slope 2, after filling the slope with the bucket 6 attached to the tip of the arm of the heavy machine 5 arranged on the slope shoulder in the constructed ground, the slope 2 formed by this filling is shaped to a certain slope angle using the bucket 6 and finished. During this finishing, as described above, by operating the arm, the slope 2 is struck with the smooth bottom part 6a of the bucket 6 or the bottom part 6a is pressed to compact the earth and sand. The earth and sand S that spills onto the slope heel side during such finishing and shaping of the slope 2 is received by the earth-retaining device 10 installed in the middle of the slope 2.

[0030] Note that a plurality of earth-retaining devices 10 may be arranged along the width direction of the slope 2 so that the earth and sand S can be received in a wide range.

[0031] According to this embodiment, the following excellent effects can be achieved. That is, the earth and sand receiving device 10 installed on the slope 2 to receive the earth and sand S moving downward is composed of a box-shaped main body 20 including an opening 20a into which the earth and sand S enters and a storage portion 20b for storing the earth and sand S, a handle portion 30 formed in a gate shape and protruding upward from the upper surface of the main body portion 20, and an insertion protrusion 40 protruding downward from the lower surface of the main body portion 20 and inserted into the slope 2. Therefore, the earth and sand receiving device 10 can be easily installed in the middle of the slope 2, and it is possible to receive the earth and sand S moving downward during the finishing and shaping of the portion of the slope 2 located above the earth and sand receiving device 10. Thereby, it is possible to suppress the accumulation and scattering of the earth and sand S that spills during the shaping of the slope 2, improve safety, and improve the efficiency related to earth and sand cleaning. Furthermore, by receiving the earth and sand S before the falling energy (falling distance) becomes large, it is possible to prevent the earth and sand receiving device 10 from sliding down below the slope 2, so that a large-scale fixing for preventing the earth and sand receiving device 10 from falling is not required.

[0032] Further, the handle portion 30 penetrates the upper surface plate portion 21 of the main body portion 20 in the thickness direction and is joined to the upper surface plate portion 21, and the lower end portion 32a is joined to the lower surface plate portion 22. Therefore, the mounting strength of the handle portion 30 with respect to the main body portion 20 is in a high state. Thereby, the safety when lifting and installing the earth and sand receiving device 10 using the handle portion 30 can be improved.

[0033] 〔Modification Example〕 In addition, the embodiments to which the present invention is applicable are not limited to the above-described embodiments, and can be appropriately changed without departing from the gist of the present invention. Hereinafter, modification examples will be described. The following modification examples may be combined as much as possible. Also, in each of the following modification examples, elements common to the above-described embodiments are denoted by the same reference numerals, and the description thereof is omitted or simplified.

[0034] In the above-described embodiment, the handle portion 30 does not include a movable mechanism. However, in this modification, an upper portion 30a of the handle portion 30 that is located above the upper surface of the main body portion 20 is configured to be angle-adjustable with respect to the upper surface of the main body portion 20, as shown in FIGS. 3(a) and 3(b).

[0035] More specifically, the above-described upper portion 30a includes a horizontal frame 31, a pair of left and right first vertical frames 321 joined to one end and the other end in the length direction of the horizontal frame 31, and a second vertical frame 322 connected to each of the pair of left and right first vertical frames 321 via a rotating shaft portion 323. In other words, the horizontal frame 31 and the pair of first vertical frames 321 form a gate shape, and the lower end portions thereof are rotatably connected to the pair of second vertical frames 322.

[0036] In this modification, the pair of second vertical frames 322 are configured to penetrate the upper surface plate portion 21 of the main body portion 20 in the thickness direction and be integrally fixed to the upper surface plate portion 21, and the lower end portions thereof are integrally fixed to the lower surface plate portion 22 of the main body portion 20, similar to the pair of vertical frames 32 in the above-described embodiment. However, the present invention is not limited thereto, and a configuration in which the upper surface plate portion 21 of the main body portion 20 is not penetrated and is only integrally fixed to the upper surface of the upper surface plate portion 21 may be employed.

[0037] The rotating shaft portion 323 is constituted by a bolt, and the angle of the pair of first vertical frames 321 with respect to the pair of second vertical frames 322 joined to the main body portion 20 is adjusted with the rotating shaft portion 323 as the rotation center. Once the angle is determined, the position of the pair of first vertical frames 321 with respect to the pair of second vertical frames 322 joined to the main body portion 20 can be fixed by providing and tightening a nut on the rotating shaft portion 323 which is a bolt. Note that the first vertical frame 321 and the second vertical frame 322 have surfaces in contact with each other, and these surfaces may be subjected to knurling or may be formed with irregularities having a larger step than knurling.

[0038] And when the upper part 30a of the handle part 30 is configured to be angle-adjustable with respect to the upper surface of the main body part 20 in this way, when shaping the slope 2, the angle of the slope 2 can be confirmed using the earth-retaining device 10. That is, it is possible to confirm whether the angle of the slope 2 is formed as planned.

[0039] The slope 2 shown in Fig. 3(a) has a gradient with a ratio of height to base of 1:1, and the upper part 30a (that is, the first vertical frame 321) in the handle part 30 of the earth-retaining device 10 installed on this slope 2 is pre-angle-adjusted to be vertical when the earth-retaining device 10 is installed on the slope 2. More specifically, the pair of first vertical frames 321 are adjusted to an angle of 45 degrees (135 degrees) with respect to the upper surface of the main body part 20.

[0040] The slope 2 shown in Fig. 3(b) has a gradient with a ratio of height to base of 1:1.5, and the upper part 30a (that is, the first vertical frame 321) in the handle part 30 of the earth-retaining device 10 installed on this slope 2 is pre-angle-adjusted to be vertical when the earth-retaining device 10 is installed on the slope 2. More specifically, the pair of first vertical frames 321 are adjusted to an angle of approximately 55 degrees (approximately 125 degrees) with respect to the upper surface of the main body part 20.

[0041] In any of the cases shown in Figs. 3(a) and (b), if the angle of the slope 2 is formed as planned, when the earth-retaining device 10 with the upper part 30a angle-adjusted is installed on the slope 2, the upper part 30a will be in a vertical state. On the other hand, if the angle of the slope 2 is not formed as planned, the upper part 30a will be in a state inclined more than vertically.

[0042] When checking whether the angle of the inclined surface 2 is formed as planned, install the earth-retaining device 10 with the upper part 30a adjusted in angle on the inclined surface 2, and view the earth-retaining device 10 from the side (surveying may also be done). And when viewed from the side like this, for example, even in a section without a crossbeam between crossbeams, it can be easily determined whether the upper part 30a is vertical.

[0043] According to this modified example, by installing the earth-retaining device 10 with the upper part 30a adjusted in angle on the inclined surface 2 and only checking whether the upper part 30a is vertical, it is possible to check whether the angle of the inclined surface 2 is formed as planned. Therefore, the dependence on the skill of the operator during the shaping of the inclined surface 2 can be reduced, and the construction difficulty in the inclined surface construction work can be lowered.

[0044] Furthermore, according to this modified example, since the upper part 30a of the handle part 30 is configured to be angle-adjustable with respect to the upper surface of the main body part 20, when inserting the bucket 6 between the upper surface of the main body part 20 and the horizontal frame 31 and lifting the earth-retaining device 10 by the heavy machine 5 and installing it on the inclined surface 2, depending on the angle of the pair of first vertical frames 321 with respect to the pair of second vertical frames 322, it becomes possible to easily hook the bucket 6 on the handle part 30. Thereby, the earth-retaining device 10 can be easily installed in the middle of the inclined surface 2.

Explanation of Reference Numerals

[0045] S Earth and Sand 1 Embankment 2 Inclined Surface (Slope) 3 Side Drain 4 Road 5 Heavy Machine 6 Bucket 6a Chassis Part 10 Earth-Retaining Device 20 Main Body Part 20a Opening 20b Storage Part 21 Upper Panel Part 21a Notch 22 Lower Panel Part 23 Side panel part 24 Rear panel part 25 Partition board part 30 Handle part 30a Upper part 31 Horizontal frame 32 Vertical frame 32a Lower end part 321 First vertical frame 322 Second vertical frame 323 Rotation shaft part 40 Insertion protrusion

Claims

1. A soil receiving device installed on an inclined surface to receive soil and sand moving downward, comprising: a box-shaped main body portion including an opening through which the soil and sand enters and a storage portion in which the soil and sand is stored; a handle portion formed in a U-shape and protruding upward from the upper surface of the main body portion; an insertion protrusion provided to protrude downward from the lower surface of the main body portion and inserted into the inclined surface; and comprising; the main body portion includes an upper panel portion that constitutes the top surface of the storage portion and the upper edge of the opening, and a lower panel portion that constitutes the bottom surface of the storage portion and the lower edge of the opening; and comprising; the handle portion penetrates the upper panel portion in the thickness direction and is joined to the upper panel portion, and the lower end portion is joined to the lower panel portion. The soil receiving device is characterized by this.

2. The soil receiving device according to claim 1, wherein an upper portion of the handle portion, which is a portion located above the upper surface of the main body portion, is configured to be angle-adjustable with respect to the upper surface of the main body portion.

3. A method for checking the angle of the inclined surface using the soil receiving device according to claim 2 when shaping the inclined surface, comprising: angle-adjusting the upper portion of the handle portion so as to be vertical when the soil receiving device is installed on the inclined surface; installing the soil receiving device in a state where the upper portion has been angle-adjusted on the inclined surface. The inclined surface shaping method is characterized by this.

Images