Linear material extraction device

Abstract

The present invention provides a wire material extraction device that allows the wire material of a wire bundle to be easily extracted from any direction, whether upward or diagonally, without requiring extra effort. [Solution] The linear material extraction device 10 comprises a base portion 20 that rests on the floor surface, a rotating portion 30 formed on the upper part of the base portion 20 so as to be rotatable in a substantially horizontal direction, a main body portion 40 fixed to the upper part of the rotating portion 30 and rotatable, on which a donut-shaped linear bundle 90 with the linear material 91 wound around it can be placed, and a plurality of plate-shaped rotating guide members 50, ..., 50 erected radially on the upper part of the main body portion 40 around the rotation axis of the main body portion 40. Each of the rotating guide members 50, ..., 50 has a first inclined portion 51 formed on its outer edge, which inclins radially outward as it goes upward.

Description

Technical Field

[0001] The present invention relates to a technique for providing a linear material drawing device that is used, for example, when performing electrical work in a building under construction, and draws out a linear material from a donut-shaped linear bundle formed by winding and bundling linear materials such as electric wires and cables.

Background Art

[0002] Linear materials such as electric wires and cables (such as VVF cables) are wound in a donut shape so as to have an opening in the center to form a linear bundle, and are bundled at a plurality of locations with strings so that the linear bundle does not come apart, or the entire circumferential direction is covered with a film, and are distributed in a so-called shrink-wrapped state.

[0003] Conventionally, when wiring linear materials such as electric wires in electrical work or construction work, etc., the above-mentioned linear bundle is placed on the floor or attached to a drawing device such as an electric wire reel to draw out the linear material. When drawing out an electric wire from a linear bundle placed on the floor, the linear material is drawn out in a spiral state, but in wiring work of a relatively short length, there is not much problem. However, in wiring work that requires drawing out a considerably long length, it is necessary to unwind the twist from the spiral state to a straight state, which causes trouble in the wiring work, and removing the twist in advance on the floor takes time and leads to a decrease in the efficiency of the wiring work. Therefore, in order to solve such problems, an electric wire reel as shown in Patent Document 1 and a long material drawing device as shown in Patent Document 2 have been developed.

[0004] The electric wire reel described in Patent Document 1 is configured such that a rotating shaft is screwed into a disk serving as a base and erected, and the disk rotates together with the rotating shaft by casters provided on the lower surface. At the upper end of the rotating shaft, a dragonfly-shaped pipe extending in the horizontal direction is detachably fixed symmetrically left and right, and guide hooks for guiding the electric wire are provided on both left and right ends of the dragonfly-shaped pipe. Further, on the upper surface of the turntable, a plurality of figure-eight-shaped pipes are erected on a circle centered on the rotating shaft.

[0005] To set up the donut-shaped coiled wire bundle, multiple figure-eight shaped pipes are passed through the central opening of the wire bundle and placed on the rotating platform. The wire bundle is then secured to the rotating platform so that it does not move. Next, a dragonfly-shaped pipe is attached to the upper end of the rotating shaft. After that, the wires of the wire bundle are pulled out by passing them through one of the guide hooks of the dragonfly-shaped pipe. In this state, when the wires are pulled out, the rotating platform and the wire bundle rotate horizontally, so the wires can be pulled out in an almost straight line rather than spirally. On the other hand, when not in use, the above components can be disassembled and stored compactly.

[0006] The long object pulling device 1 described in Patent Document 2 has a central shaft 6 erected in the center of a base portion 3 that is placed on the floor surface, and a flat plate-shaped mounting portion 11 is installed on a plurality of casters 21 (rotating mechanism portion 20) provided on the upper part of the base portion 3, with its shaft insertion hole 13 fitted into the central shaft 6 of the base portion 3, and this mounting portion 11 is rotatable on the base portion 3 by the aforementioned plurality of casters 21. A winding column 12 is fixed to the upper surface of the mounting portion 11, and this winding column 12 is designed so that the long bundle (winding bundle of electric wires) can be placed on the mounting portion 11 with the opening in the center of the long object (winding bundle of electric wires) inserted through it. The winding column 12 has a winding guide section 14 formed in a roughly frustoconical shape that tapers upward, and a retaining section 15 that widens and slopes upward and outward from the tapered upper part of the winding guide section 14. Furthermore, on the roughly horizontal outer side of the retaining section 15, there is a pull-out guide section 25 formed to be horizontally rotatable around a central axis. The pull-out guide section 25 is provided with a long object insertion hole 28 through which a long object is inserted.

[0007] To set up a long bundle, the winding column 12 and the pull-out guide section 25 are passed through the opening in the center of the long bundle and placed on the mounting section 11. The long items of the long bundle are pulled out by being wrapped around the winding column 12 and inserted into the long item insertion hole 28 of the pull-out guide section 25. As the long items are pulled out, the mounting section 11 and the long bundle rotate in a nearly horizontal direction, so the long items are pulled out in a nearly straight line rather than a spiral.

[0008] In addition to the devices described in Patent Documents 1 and 2, several other types of devices are sold on the general market, but they basically consist of a rotatable rotating member on which a donut-shaped bundle of wire material is wound, a rotating shaft portion formed on the upper surface of the rotating member so as to pass through the central opening of the wire bundle, and a guide portion that guides the wire material pulled out from the wire bundle. Rotating members can be formed in a flat, plate-like shape, such as a turntable, or they can be formed by arranging multiple rod-shaped strength members radially to create a radial member, with the center of this radial member being rotatable. The rotating shaft can also be formed to be foldable relative to the rotating member. Furthermore, guide sections can be foldably attached to parts of the aforementioned turntable or radial member. [Prior art documents] [Patent Documents]

[0009] [Patent Document 1] Japanese Patent Publication No. 2010-280501 [Patent Document 2] Patent No. 6691261 [Overview of the project] [Problems that the invention aims to solve]

[0010] In the devices described in Patent Documents 1 and 2, as well as in other commercially available devices, a guide is required to pull out the wire material from inside the wire bundle. This guide inevitably determines the direction in which the wire material is pulled out. However, in actual field work, the location of the wiring changes as the wiring work progresses, necessitating adjustment of the guide's position to accommodate the change in pulling direction. Adjusting the guide requires the worker to temporarily stop work and adjust the position and orientation of the pulling device, resulting in a significant decrease in work efficiency.

[0011] Furthermore, depending on the direction in which the linear material is pulled, the pulling resistance increases due to friction with the guide section. Also, pulling upwards results in stronger pulling resistance than pulling almost horizontally from the guide section. This requires extra effort, leading to decreased work efficiency and worker fatigue.

[0012] Furthermore, when wiring work with one type of wire is completed and it is necessary to start wiring work with another type of wire, for example, one of a different thickness, it becomes necessary to swap the wire bundles and set them in the device. At this time, since the wires pass through the guide section, the wire bundles cannot be swapped unless the wires are cut near the guide section. If it were possible to replace the removed type of wire without cutting it, the wiring work could be continued by simply swapping it back into the device without cutting. This point is especially important when wiring work with multiple types of wires is being carried out simultaneously for a single work task.

[0013] While the devices described in Patent Documents 1 and 2 have the advantage of being able to pull out linear materials such as electric wires without them becoming spiral-shaped, they are relatively heavy and require installation space. Therefore, in confined environments such as small construction sites, it is difficult to transport relatively large and heavy devices, and they are often not used.

[0014] To explain in more detail, the above-mentioned equipment takes up space, making it impractical to keep it permanently loaded onto the construction vehicle used for transport. Therefore, once delivered to the site, it is often left there until the wiring work is completed. Moreover, if there are multiple types of wire materials to be wired, for example four types, four devices are required, and in this case, a certain amount of space is needed to store them within the construction site. For this reason, at construction sites for wooden houses and apartments, even when the total length of the wiring exceeds 500m, for example, it was necessary to directly pull out the wires from bundles of wires placed on the floor without using the above-mentioned equipment. Therefore, it is common practice to straighten the pulled-out wires by hand to remove the spiral twist, a process known as "manual straightening."

[0015] For the reasons stated above, the above-mentioned device is often used on relatively large-scale construction sites. For example, it is suitable for general contractor construction sites with long construction periods where there is ample space in the material storage area and work area. Also, when using shrink-wrapped wire bundles, the shrink wrap must be removed and the bundle set into the above-mentioned device. Therefore, it is necessary to tie the bundle in multiple places with string or similar material to prevent the removed wires from scattering before replacing the bundle.

[0016] Furthermore, among other commercially available devices that are not described in Patent Documents 1 or 2, devices in which the rotating member is formed in the shape of a flat plate like a turntable, devices in which the rotating member is formed in the shape of a radial member, devices in which the rotating shaft is formed to be foldable, and devices in which the guide part is formed to be foldable are relatively compact, but they still require space, so they cannot be said to be convenient to use on site, such as in small buildings.

[0017] Furthermore, while the wire reel described in Patent Document 1 can be made compact when not in use by disassembling its components, it has the drawback that disassembly and assembly cannot be done easily or quickly because the components are attached by screwing them together. Incidentally, the long object extraction device described in Patent Document 2 is not designed to be disassembled.

[0018] The present invention has been made in view of these circumstances, and aims to provide a linear material extraction device that allows linear materials from a linear bundle to be easily extracted from any position, whether upward or diagonally, without requiring extra effort. Furthermore, it aims to provide a linear material extraction device that can be easily disassembled and assembled, does not take up much space at a construction site, and can be compactly stored in a transport vehicle. [Means for solving the problem]

[0019] The invention described in claim 1 is a wire material extraction device for rotatably forming a donut-shaped wire bundle on which a long wire material is wound and which has an opening in the center, and for extracting the wire material from the wire bundle, The apparatus comprises a base portion placed on the floor surface, a rotating portion installed on the base portion and rotatable in a substantially horizontal direction, a main body portion fixed to the upper part of the rotating portion and rotatable, and capable of supporting the linear bundle, and a rotating guide member erected on the rotation axis of the main body portion, which guides the linear material in the pulling direction when the linear material is pulled out from the linear bundle, and transmits rotational force to the main body portion and the rotating portion to rotate the linear bundle on the main body portion, The aforementioned rotating guide member is characterized in that its outer edge has a first inclined portion which slopes radially outward as it goes upward.

[0020] The invention described in claim 2 is characterized in that, in paragraph 1 above, the rotating guide member has a projection that protrudes outward from the upper end of the first inclined portion.

[0021] The invention described in claim 3 is characterized in that, in paragraph 1 or 2 above, the lowest part of the first inclined portion of the rotating guide member is formed at a height approximately above the upper surface of the linear bundle placed on the main body, and a second inclined portion is formed continuously from the first inclined portion, which is inclined radially outward as it goes downward from the first inclined portion.

[0022] The invention according to claim 4 is characterized in that, in the above item 3, the rotary guide member is formed to be detachable from the rotation axis of the main body part.

[0023] The invention according to claim 5 is characterized in that, in the above item 4, the rotary guide member is composed of at least two flat plate-like materials formed to be substantially symmetric about the rotation center line, and fitting notch portions for integrating the rotary guide member by fitting into each other on the rotation center line are provided on these two flat plate-like materials, respectively.

[0024] The invention according to claim 6 is characterized in that, in the above item 4, the main body part is provided with a detachable mechanism including a detachable part for attaching or detaching the rotary guide member and a lock part for fixing the rotary guide member to the detachable part.

[0025] The invention according to claim 7 is characterized in that, in the above item 6, through holes penetrating the center are formed in the base part and the rotating part, and a foreign matter discharge hole is formed in the main body part at a position below the detachable mechanism and communicating with the through hole.

[0026] <着脱機構の下方位置で、かつ前記貫通穴部に連通する位置に、異物排出用穴部が形成されていることを特徴としている。 The invention according to claim 8 is, in the above item 1 or 2, characterized in that an auxiliary member for placing is provided on the main body part so as to expand and contract the range where the linear bundle can be placed. A pair of sliding parts that extend and retract from the rotation center of the main body to the left and right, respectively. 載置用補助部材が設けられ These pair of mounting support members are equipped with a plurality of guide bodies that extend horizontally, and each of these guide bodies is movably inserted into a plurality of corresponding guide grooves formed inside the main body, thereby allowing them to extend and retract from side to side. These pair of mounting support members are equipped with a plurality of guide bodies that extend horizontally, and each of these guide bodies is movably inserted into a plurality of corresponding guide grooves formed inside the main body, thereby allowing them to extend and retract from side to side. ことを特徴としている。

[0027] The invention according to claim 9 is, in the above item 8, The rotation guide member is composed of at least two flat plate-shaped materials formed to be substantially symmetrical with respect to the rotation centerline, 前記載置用補助部材は、 Applicable Applicable 少なくとも2枚の平板状材を、 When the at least two of the above-mentioned main body are placed on top of each other for storage, When the at least two of the above-mentioned main body are placed on top of each other for storage, 平板状材の The locking parts, which act as recesses that hold the edges from both sides, are positioned on opposite sides. The locking parts, which act as recesses that hold the edges from both sides, are positioned on opposite sides. 備え、 By sliding the support member in a direction that reduces it inward, the at least two flat plates are sandwiched between the support member from both sides, thereby the at least two plates By sliding the support member in a direction that reduces it inward, the at least two flat plates are sandwiched between the support member from both sides, thereby the at least two plates 平板状材を固定した状態で、 On the main body, On the main body, 収納し得るように構成されていることを特徴としている。

[0028] The invention described in claim 10 is characterized in that, in paragraph 3 above, each of the rotating guide members is formed such that the lower end of each second inclined portion contacts the inner peripheral edge of the lower part of the shrink packaging of the linear bundle. [Effects of the Invention]

[0029] According to the present invention of claim 1, the linear material is drawn out from the linear bundle placed on the main body so as to wrap around the outside of the rotating guide member. At this time, as the linear material slides upward along the first inclined portion of the rotating guide member, the first inclined portion is inclined radially outward toward upward, so an upward and radially outward force is generated on the linear material with respect to the first inclined portion. This upward force is converted into a horizontal force by the first inclined portion, causing the rotating guide member to rotate. Furthermore, since the drawn-out wire material can strike the first inclined portion of any of the rotating guide members, the wire material can be easily drawn out from any position, both upward and at an angle.

[0030] According to the present invention of claim 2, in addition to the effects of claim 1, when the linear material comes into contact with the projection at the upper end as it is pulled out, the force that rotates the rotating guide member increases, making it possible to pull out the linear material more smoothly. As the pulled-out linear material rotates each rotating guide member in the same sequential manner, the linear material can be easily pulled out from the bundle of linear material. For this reason, a guide part for pulling out the linear material from the inside of the bundle of linear material is not required, as in the conventional invention.

[0031] According to the present invention of claim 3, the linear material located on the lower inside of the linear bundle moves along the second inclined portion to approximately the height of the upper surface of the linear bundle as it is pulled out, and is then pulled out to the outside of the linear bundle. This eliminates extra resistance during pulling out and contributes to improved efficiency during operation.

[0032] According to the present invention as of claim 4, the wire material extraction device has a configuration in which the rotating guide member can be easily attached to and detached from the main body and is also detachable, so it can be compactly stored at the work site or in a transport vehicle. Furthermore, since the rotating guide member can be quickly attached to the main body, the wire material extraction device can be quickly set up at the work site and work can begin promptly.

[0033] According to the present invention of claim 5, at least two flat plate-shaped materials can be fitted together at their interlocking notches and then attached to the main body to form a rotating guide member that is radially erected on the rotating axis of the main body. Furthermore, after removing the rotating guide member from the main body, the flat plate-shaped materials can be disassembled and compactly stored in the main body. Moreover, the overall thickness of the device when stored in this manner is equal to the sum of the thickness of the base, the rotating part, and the main body, thus enabling compactness.

[0034] According to the present invention as of claim 6, the locking mechanism prevents the rotating guide member from detaching from the main body even if force is applied to the rotating guide member in the rotational or upward direction. Furthermore, the rotating guide member can be easily removed from the main body by releasing the locking mechanism.

[0035] According to the present invention of claim 7, for example, when performing wiring work with linear materials at a work site such as a construction site, foreign matter such as chips may fall and adhere to the equipment when drilling holes in the building structure. However, since the foreign matter passes through the foreign matter discharge hole, the attachment / detachment mechanism is not affected by the foreign matter, and the rotation guide member can be attached and detached smoothly.

[0036] According to the present invention of claim 8, the main body is provided with a slidable support member for mounting, so the size of the main body can be enlarged or reduced to match the outer diameter of the linear bundle, and a stable mounting area can be secured according to the size of the linear bundle. If the wire material extraction device moves due to some force and hits a nearby obstacle, the outer circumference of the wire bundle, not the support member for mounting, will come into contact with the obstacle. In such cases, the entire device can be separated from the obstacle by strongly pulling the extracted wire material, thus avoiding a situation where the rotation of the main body stops and work is forced to be interrupted.

[0037] According to the present invention of claim 9, the multiple flat plate-shaped materials constituting the rotating guide member can be housed in the main body, and as a result, the linear material pulling device can be compactly installed and stored at construction work sites or in transport vehicles. Furthermore, since multiple flat materials can be easily removed from the main body, there is the advantage that the linear material extraction device can be quickly installed at the construction site and work can begin immediately.

[0038] According to the present invention of claim 10, even if the overall weight of the linear bundle is reduced by using linear material in the linear bundle, the lower end of the second inclined portion of each rotating guide member contacts the inner peripheral edge of the lower part of the shrink packaging of the linear bundle, thereby preventing the shrink packaging and the linear bundle from shifting and moving on the main body. [Brief explanation of the drawing]

[0039] [Figure 1] This is an overall perspective view showing the wire material extraction device according to the present invention. [Figure 2] Figure 1 is a perspective view showing a linear material extraction device with a bundle of linear materials placed on it, and the linear materials being extracted from the bundle. [Figure 3] This is a top-down plan view of the main body of the wire material extraction device. [Figure 4] This is a side view of Figure 3. [Figure 5] This is an exploded perspective view showing the base, rotating part, and main body of the wire material extraction device. [Figure 6] This is a perspective view showing the rotating guide member attached to the main body. [Figure 7]Figure 7(a) is a perspective view showing the unlocked state of the locking mechanism that attaches the rotating guide member to the main body, and Figure 7(b) is a perspective view showing the locked state of the locking mechanism. [Figure 8] This is a perspective view showing two flat plates fitted together using the interlocking notches. [Figure 9] This is a plan view showing the main body with the left and right support members moved in an enlarged direction, and the stacked flat plates placed on top of it. [Figure 10] This is a plan view showing the state in which the left and right support members are moved in a retracted direction, and the stacked flat plates are held and stored in the main body. [Figure 11] This is a perspective view showing how two flat plates, each with a smaller outer dimension than the two flat plates shown in Figure 8, are fitted together using the fitting notches. [Figure 12] This is a perspective view of the wire material extraction device, seen from the base side. [Modes for carrying out the invention]

[0040] Hereinafter, one embodiment of the linear material extraction device according to the present invention will be described in detail with reference to the attached drawings. As shown by the dashed line in Figure 2, the linear material 91, such as electric wires and cables, is wound in a donut shape with an opening 92 in the center to form a linear bundle 90. The linear bundle 90 is commercially available and distributed in a state of so-called shrink packaging 93, where the linear material 91 is tied at multiple points in the circumferential direction with string or covered with film or the like to prevent it from unraveling.

[0041] As shown in Figures 1 and 2, the linear material extraction device 10 of this embodiment is a device that makes the above-mentioned linear bundle 90 rotatable and extracts the linear material 91 from the linear bundle 90. As shown in Figures 1, 2 to 5, the linear material extraction device 10 comprises a base portion 20 that is placed on the floor surface and a rotating portion 30 that is installed on the upper part of the base portion 20 so as to be rotatable in a substantially horizontal direction.

[0042] As shown in Figure 5, the base portion 20 is formed in a donut-shaped flat plate form with a through-hole 21 on the base side that penetrates through its center. The rotating portion 30 is mounted on the base portion 20 using a bearing structure such as a thrust bearing, and is rotatable in a substantially horizontal direction, and like the base portion 20, it is provided with a bearing-side through-hole 31 that penetrates through its center. However, the shape is not limited to these. The rotating part 30 of the thrust bearing structure comprises a rotating upper part 32, a rotating lower part 33, and a bearing support plate 34. The rotating upper part 32 is rotatable relative to the rotating lower part 33, which is fixed to the upper surface of the base part 20, by the bearing support plate 34 interposed between it and the rotating lower part 33, and by a plurality of bearings 35, ..., 35 provided on the support plate 34.

[0043] Furthermore, as shown in Figure 5, the linear material extraction device 10 has a main body 40 on which the above-mentioned linear bundle 90 can be placed, which is fixed and rotatably mounted on the rotating upper part 32 of the rotating part 30. Furthermore, in this embodiment, as shown in Figures 3 to 5, the main body 40 is provided with sliding auxiliary mounting members 41, 41 that extend and retract almost horizontally from the center of rotation to the left and right, in order to expand and reduce the mounting area of ​​the linear bundle 90 and make it adjustable. As shown in Figure 5, the left and right mounting auxiliary members 41, 41 are equipped with a plurality of horizontally extending guide bodies 42, ..., 42, and each guide body 42, ..., 42 is movably inserted into a plurality of corresponding guide grooves 43, ..., 43 formed inside the main body 40.

[0044] Therefore, when the left and right mounting auxiliary members 41, 41 are slid in the shrinking direction, they are stored within the main body 40 as shown by the dashed line in Figure 3, making it compact. On the other hand, when the left and right mounting auxiliary members 41, 41 are slid in the expanding direction, the area in which the linear bundle 90 can be placed can be expanded as shown by the solid line in Figure 3. Thus, the mounting area of ​​the linear bundle 90 in the main body 40 can be adjusted according to the outer diameter and size of the linear bundle 90.

[0045] Furthermore, as shown in Figures 3 and 5, the main body 40 is provided with a handle 44 on one side in the front-to-back direction, when viewed from the left-to-right direction where the mounting support members 41, 41 extend and retract, for use when lifting and carrying the entire device. Therefore, the main body 40, equipped with the mounting support members 41, 41 and the handle 44, is rotatably mounted on the base 20.

[0046] In this embodiment, the handle portion 44 is installed on only one side of the main body portion 40, but it is not limited to this, and it is also possible to install two handle portions on both sides in the front-rear direction. In this case, the area on which the linear bundle 90 rests on the main body portion 40 becomes larger, which further stabilizes the mounting state of the linear bundle 90.

[0047] Furthermore, as shown in Figure 1, rotating guide members 50,...,50 are erected on the upper part of the main body 40, extending radially in four directions around the rotation axis of the main body 40. The number of rotating guide members 50 is limited to at least two radial directions from the rotation center, but is not particularly limited. In this embodiment, rotating guide members 50,...,50 are erected in four directions. They can also function as rotating guide members 50,...,50 in three, five, or six directions.

[0048] As shown in Figure 6, each rotating guide member 50 is provided with a first inclined portion 51 formed such that its outer edge gradually slopes outward in the radial direction as it goes upward, and a projection 52 that protrudes outward from the upper end of the first inclined portion 51. Furthermore, as shown in Figures 2, 6, and 8, each rotating guide member 50 has a second inclined portion 53 formed at a height approximately above the upper surface of the linear bundle 90 placed on the upper surface of the main body portion 40, which extends downward from the first inclined portion 51 and gradually slopes outward in the radial direction as it goes downward. Furthermore, a so-called constricted portion 57 is formed between the first inclined portion 51 and the second inclined portion 53, and it is desirable that this constricted portion 57 be located at a height approximately above the upper surface of the linear bundle 90. Alternatively, the constricted portion 57 may be formed to be located above the upper surface of the linear bundle 90. While it is desirable for each rotating guide member 50 to have a first inclined portion 51, a projection 52, and a second inclined portion 53, the basic features of the present invention are present even without the projection 52 and the second inclined portion 53.

[0049] Furthermore, in this embodiment, the rotating guide members 50,...,50 are detachably formed on the upper part of the main body 40, as shown in Figure 6. More specifically, the main body 40 is provided with a detachable mechanism 11 on its central axis, which includes a detachable portion 60 into which the lower parts of the rotating guide members 50,...,50 are fitted, and a locking portion 70 that secures the rotating guide members 50,...,50 fitted into the detachable portion 60. The detachable portion 60 has fitting grooves 61, 61 into which the lower parts of the rotating guide members 50, 50 are fitted. The locking portion 70 has a plurality of locking members 71, 71 that extend radially and substantially horizontally from the rotation center of the main body portion 40, and these locking members 71, 71 are pivotally supported on the rotation center of the main body portion 40. Each locking member 71 has an arm portion 71a and locking projections 71b adjacent to each other in the rotation direction. The plurality of locking projections 71b, 71b are provided extending radially from the rotating guide members 50, 50 at the same intervals along the circumferential direction.

[0050] On the other hand, locking notches 54, 54 are formed at the lower part of the rotating guide members 50, 50, and by rotating the multiple locking members 71, 71 with these locking notches 54, 54 fitted into the respective fitting grooves 61, the locking projections 71b, 71b engage simultaneously, fixing the rotating guide members 50, 50 in an upright position.

[0051] Furthermore, stopper portions 72, 72 are provided between the multiple fitting grooves 61, 61, 61, which come into contact with the arm portions 71a, 71a, 71a to stop their rotation. Each stopper portion 72 includes a locking stopper portion 72a that restricts movement by stopping rotation in the clockwise direction in Figure 6, and an unlocking stopper portion 72b that unlocks by stopping rotation in the counterclockwise direction.

[0052] As shown in Figure 6, the rotating guide members 50,...,50 have locking notches 54,...,54 formed at their lower ends. When fixing the rotating guide members 50,...,50 upright on the main body 40, as shown in Figure 7(a), first, these locking notches 54,...,54 are fitted into the fitting grooves 61,...,61 of the attachment / detachment part 60 from above. Then, by gripping the arm portion 71a of the locking member and rotating it clockwise, as shown in Figure 7(b), the locking projections 71b,...,71b engage with the locking notches 54,...,54 and lock, fixing the rotating guide members 50,...,50 in an upright position. Since the arm portion 71a of each locking member 71 abuts against the locking stopper portion 72a and stops rotating, the rotation guide members 50,...,50 are securely locked and fixed in the multiple fitting groove portions 61,...,61. Therefore, the rotating guide members 50,...,50 will not detach from the main body 40 even if a force is applied in the rotational or upward direction during wiring work.

[0053] On the other hand, in Figure 7(b), when the rotating guide members 50,...,50 grip the arm portion 71a of the locking member 71 and rotate in a counterclockwise direction, as shown in Figure 7(a), each locking projection 71b,...,71b disengages from each locking notch 54,...,54 and becomes unlocked. The arm portion 71a of each locking member 71 comes into contact with the unlocking stopper portion 72b and rotation stops, and the rotating guide members 50,...,50 are unlocked from the multiple fitting grooves 61,...,61. Therefore, the rotating guide members 50, ..., 50 can be easily removed from the main body 40.

[0054] Furthermore, as shown in Figure 8, the rotating guide members 50,...,50 are equipped with flat plate-shaped members 55, 55 whose left and right outer edges are formed to be substantially symmetrical with respect to the rotational centerline. In this embodiment, the two flat plate-shaped members 55, 55 are fitted together on the rotational centerline and combined to form a single unit. Specifically, each of the flat plate-shaped members 55, 55 has a fitting notch 56,...,56 formed therein that allows them to be fitted together on the rotational centerline.

[0055] In other words, the two flat plate-shaped materials 55, 55 used in this embodiment have fitting notches 56, 56 drilled on the upper and lower sides near the center, respectively, and these fitting notches 56, 56 can be fitted together in a cross shape in plan view to form a single unit. After the two flat plate-shaped materials 55, 55 are integrated, their locking notches 54, ..., 54 are fitted into the fitting grooves 61, ..., 61 from above, and when erected on the main body 40, they become rotating guide members 50, ..., 50 that extend radially in four directions from the axis of rotation. Moreover, the structure in which the two flat plate-shaped materials 55, 55 are combined by fitting them together with the fitting notches 56, 56 has improved rigidity and has the effect of increasing the strength of each rotating guide member 50, ..., 50. On the other hand, after removing the rotating guide members 50,...,50 from the main body 40, the rotating guide member 50 can be easily disassembled into two flat plate-shaped members 55, 55. Furthermore, as shown in Figure 9, by stacking multiple flat plate-shaped members 55, 55, it can be compactly stored on the main body 40.

[0056] Furthermore, as shown in Figure 11, the external shape of the two flat plates 55, 55 can be changed without changing the position of the locking notches 54, ..., 54. For example, the flat plates 55, 55 shown by the dashed lines in Figure 11 can be made into smaller flat plates 55a, 55a, as shown by the solid lines. This makes it possible to form four rotating guide members 50, ..., 50 that can accommodate a linear bundle 90 with a small opening 92. As a result, for example, low-voltage wires such as telephone lines and LAN cables, which operate at low voltages, have small openings 92 formed in the linear bundles 90, but this can be easily addressed by replacing them with smaller flat plate-shaped materials 55a, 55a.

[0057] As a result, the rotating guide members 50,...,50 of various dimensions can be easily replaced, thus broadening the range of application. In short, since the rotating guide members 50,...,50 are formed to be detachable from the attachment / detachment mechanism 11 provided on the upper part of the main body 40, they can be used in accordance with linear bundles 90 having various opening diameters.

[0058] Furthermore, the attachment / detachment mechanism 11 for attaching and detaching the rotating guide members 50,...,50 to and from the upper part of the main body 40 is not limited to the attachment / detachment part 60 and locking mechanism 70 described above, but may be any other type of attachment / detachment mechanism.

[0059] Furthermore, the main body portion 40 has a foreign matter discharge hole portion 45 formed below the lock portion 70, at a position that communicates with the base-side through hole portion 21 and the bearing-side through hole portion 31 formed in the center of the base portion 20 and the rotating portion 30. In this embodiment, the foreign matter discharge hole portion 45 is provided between the lock stopper portion 72a and the unlock stopper portion 72b, as shown in Figure 6.

[0060] For example, at construction and building sites, when wiring wires and other linear materials 91, holes are frequently drilled into the building's structure, causing foreign objects such as chips to fall downwards. Alternatively, foreign objects such as garbage and screws (bolts and nuts) may also fall. As a result, if foreign objects accumulate near the locking part 70 of the wire material extraction device 10, it may become difficult to release the locking part 70. This problem can be significantly reduced by forming multiple foreign object discharge holes 45,...,45, which make it easier for foreign objects to pass through the foreign object discharge holes 45,...,45.

[0061] Furthermore, as shown in Figure 9, the multiple flat plates 55, 55 can be stacked and placed on the main body 40, allowing for compact storage. In this embodiment, the left and right auxiliary mounting members 41, 41 have locking portions 41a, 41a formed on their opposing sides, as shown in Figures 5 and 9. These locking portions 41a, 41a are recesses formed to hold the edges of multiple flat plate-shaped materials 55, 55 that are placed on the main body 40 in an overlapping state by clamping them from the left and right. In addition, as shown in Figure 9, the handle portion 44 has second locking portions 44a, 44a formed therein that hold the stacked flat plate-shaped materials 55, 55 in place. Furthermore, the locking notches 54 at the lower center of the flat plate-shaped materials 55, 55 are fitted into contact pieces 48 attached near the lower end of the main body portion 40, thereby restricting their movement and ensuring that they are placed without rattling between the aforementioned second locking portions 44a, 44a.

[0062] Specifically, the multiple flat plates 55, 55 are first placed on the main body 40 in an overlapping state, with the upper edges of the multiple flat plates 55, 55 being inserted into the second locking portions 44a, 44a of the handle portion 44. Then, when the left and right support members 41, 41 are slid inward in a contracting direction, as shown in Figure 10, the upper edges of the multiple flat plates 55, 55 are held in place by the locking portions 41a, 41a of the left and right support members 41, 41, and the locking notches 54 provided at their lower ends engage with and contact the contact pieces 48 of the main body 40, thereby fixing them on the main body 40. As a result, the flat plates 55, 55 can be easily held and stored, and moreover, the overall thickness of the device when stored in this way is the sum of the thickness of the base portion 20, the rotating portion 30, and the main body portion 40, as shown in Figure 4, making it significantly more compact. As a result, the linear material extraction device 10 has the advantage of being highly portable, as it does not take up much space at the work site and can be compactly stored in a transport vehicle.

[0063] On the other hand, by sliding the left and right mounting auxiliary members 41, 41 in an expanding direction, the flat plate-shaped members 55, 55 can be easily removed from the main body 40. After that, the flat plate-shaped members 55, 55 can be fitted together to form the rotating guide members 50, ..., 50 and easily attached to the main body 40, so that the linear material extraction device 10 can be quickly installed at the construction site and work can begin promptly.

[0064] As shown in Figure 12, it is desirable to attach anti-slip members 22 to the bottom surface of the base portion 20 that contacts the floor of the linear material extraction device 10 configured as described above, by adhesive or other means. The anti-slip members 22 are not particularly limited, but for example, resins such as vinyl rubber, epoxy, acrylic, and polyurethane can be used. The anti-slip members 22 may be attached to the bottom surface of the base portion 20 at appropriate intervals, or they may be attached to the entire bottom surface. The reason for attaching the anti-slip members 22,...,22 is that when the amount of wire material 91 in the wire bundle 90 decreases as it is used, the weight on the wire material extraction device 10 becomes lighter, causing it to move easily even with a weak force used to pull out the wire material 91. However, the anti-slip members 22,...,22 attached to the bottom surface of the base portion 20 make it difficult for the wire material extraction device 10 to move.

[0065] Furthermore, the anti-slip members can be appropriately attached to the area on the upper surface of the main body 40 where the linear bundle 90 is placed. The anti-slip members may be attached partially or entirely to the upper surface of the main body 40. In this embodiment, as shown in Figure 5, anti-slip members 46,...,46 are attached to the upper surfaces of the support members 41,41 and the handle portion 44. The material of the anti-slip members 46 is the same as that of the anti-slip members 22 described above and is not particularly limited. The reason for attaching the anti-slip members 46,...,46 is that as the amount of linear material 91 in the linear bundle 90 decreases, it becomes lighter, and even a weak force that pulls out the linear material 91 can easily move the linear bundle 90. However, the anti-slip members 46,...,46 prevent the linear bundle 90 from shifting on the upper surface of the main body 40.

[0066] Furthermore, shrink wrapping 93 can be used to prevent the linear bundle 90 from shifting and moving on the upper surface of the main body 40. For example, the lower ends of the second inclined portions 53, 53 of the rotating guide members 50, 50 can be formed to contact the lower inner periphery of the shrink wrapping 93 of the linear bundle 90. In other words, when the linear material 91 of the linear bundle 90 is used up and becomes lighter, the lower ends of the second inclined portions 53, 53 of each rotating guide member 50, 50 will continue to contact the lower inner periphery of the shrink wrapping 93 of the linear bundle 90 while rotating, thereby preventing the shrink wrapping 93 from shifting. Therefore, it is possible to prevent the linear bundle 90 from shifting during the work of pulling out the linear material.

[0067] Furthermore, when the linear material extraction device 10 is not in use, it may take up space if left on the floor. However, if the two flat material plates 55, 55 are stored in the main body 40 and the main body 40 is positioned vertically, it requires relatively little space due to its low height. Therefore, as shown in Figure 12, multiple self-supporting support pieces 47, ..., 47 can be attached to the lower part of the main body 40 in the direction of the left and right support members 41, 41.

[0068] In this embodiment, two self-supporting support pieces 47, ..., 47 are attached to the lower part of the main body 40 in the direction of the left and right mounting auxiliary members 41, 41. Therefore, the wire material pulling device 10 can be stood upright with the two self-supporting support pieces 47, 47 and the sides of the mounting auxiliary members 41 in contact with the floor. As a result, it can be stored in a relatively narrow space that does not get in the way of the work site.

[0069] As described above, in this embodiment, the rotating guide members 50,...,50 are formed to be detachably attached to the upper part of the main body 40, and the two flat plate-shaped members 55, 55 are configured to be fitted together on the rotational centerline, but the embodiment is not limited to this. For example, with respect to two rotating guide members, it is possible to connect the central axes of each rotating guide member using a hinge mechanism so that they can rotate beforehand, and then rotate them when in use. In this configuration, it is necessary to consider the overlapping state of each rotating guide member 50,...,50 when folded. Alternatively, integrally molded rotating guide members 50,...,50 can be used.

[0070] The operation of the linear material extraction device 10 according to this embodiment, configured as described above, is as follows. As shown in Figure 1, in the linear material extraction device 10 of this embodiment, the target linear bundle 90 is a bundle of linear materials 91 such as electric wires and cables that are wound in a donut shape with an opening 92 in the center, and the outside is covered with shrink wrap 93.

[0071] As shown in Figure 2, the linear bundle 90 is placed on the upper surface of the main body 40 such that the four rotating guide members 50,...,50 of the linear material pulling device 10 are inserted through its opening 92. The linear material 91 is pulled out from the inside of the opening 92 of the linear bundle 90 and guided along the outside of the four rotating guide members 50,...,50 as it is pulled out.

[0072] When the linear material 91 is pulled out, it wraps around the inside of the first inclined portion 51 of each rotating guide member 50. However, since the first inclined portion 51 is formed to be inclined radially outward as it goes upward, an upward force is applied to the first inclined portion 51 due to contact with the linear material 91. In other words, the force trying to pull out upward changes into a rotational force as it continues to contact the larger first inclined portion 51 as it goes upward, continuously applying rotational force to the rotating guide member 50. Furthermore, when the linear material 91 is pulled out, it catches on the projection 52 at the upper end and comes into contact with it, further increasing the force that rotates the rotating guide member 50, ensuring that the four rotating guide members 50, ..., 50 and the main body 40 rotate reliably.

[0073] As the linear material 91 is pulled out, it rotates the rotating guide member 50 by making upward contact with the first inclined portion 51 of the next rotating guide member 50. As the linear material 91 is pulled out in this way, each rotating guide member 50 is rotated sequentially, so the linear material 91 can be easily pulled out from the linear bundle 90. For this reason, a guide part for pulling out the linear material 91 from the inside of the linear bundle 90, as in the conventional method, is not required.

[0074] Furthermore, since the drawn-out linear material 91 may come into contact with the first inclined portion 51 of any of the four rotating guide members 50,...,50, the linear material 91 can be easily drawn out from any direction in all directions, 360 degrees, without becoming spiral-shaped, thus improving the degree of freedom at the work site where electrical work is performed. Furthermore, even when the linear material 91, such as an electric wire, is routed on the ceiling side of a building, and the linear material 91 is pulled upward, the linear material 91 slides upward along the first inclined portion 51 of the rotating guide member 50 and comes into contact with it, causing the rotating guide member 50 to rotate. As a result, the linear material 91 can be easily pulled out from any location.

[0075] Furthermore, since a second inclined portion 53 is formed below the first inclined portion 51 of each rotating guide member 50, the linear material 91 located in the lower part inside the linear bundle 90 moves smoothly upward while making contact with the second inclined portion 53 up to the constricted portion 57 at approximately the height of the top surface of the linear bundle 90. As a result, even linear material 91 located in a low position inside the linear bundle 90 can be easily and quickly pulled out of the linear bundle 90 without any extra resistance during operation.

[0076] The constricted portion 57 of the second inclined portion 53 is formed at a position slightly lower than the height of the approximately upper surface of the linear bundle 90 when it is placed on the main body portion 40. This is to avoid the generation of extra resistance when the drawn-out linear material 91 rubs against other linear materials 91 inside the linear bundle 90 or the film of the shrink packaging 93. Furthermore, the second inclined portion 53 is formed to incline radially outward as it goes downward from the height of the approximately upper surface of the linear bundle 90. More preferably, the constricted portion 57 is located above the upper surface of the linear bundle 90.

[0077] Since the rotating guide members 50,...,50 are detachable from the upper part of the main body 40, the linear material pulling device 10 can be easily disassembled from the rotating guide members 50,...,50 and the main body 40. As a result, it can be compactly stored at construction sites or in transport vehicles. Furthermore, since the rotating guide members 50, ..., 50 can be easily attached to the main body 40, the linear material pulling device 10 can be quickly set up at the construction site and work can begin immediately.

[0078] Furthermore, the main body 40 allows the mounting auxiliary member 41 to be slid to enlarge or reduce the area on which the linear bundle 90 is mounted. This allows the mounting area of ​​the main body 40 to be adjusted to provide a stable mounting range according to the size of the linear bundle 90, such as its outer diameter. At this time, it is desirable that the support member 41 does not extend beyond the outer circumference of the wire bundle 90. The reason for this is that, for example, even if the outer circumference of the wire bundle 90 comes into contact with an obstacle, the wire material pulling device 10 can be easily moved together with the wire bundle 90 and separated from the obstacle by strongly pulling the pulled-out wire material 91. This prevents situations in which the rotation of the main body 40 stops and work such as wiring work is delayed.

[0079] In other words, if the main body 40, including the support members 41, 41, protrudes beyond the outer circumference of the wire bundle 90, the main body 40 may hit an obstacle, causing the rotation to stop and preventing the wire material 91 from being pulled out. In this case, the wire material pulling device 10 will not move easily with a force strong enough to pull the wire material 91. The worker will need to interrupt the wiring work, move to the wire material pulling device 10, and move it away from the obstacle. For this reason, in this embodiment, the size of the main body 40, including the support members 41, 41, is formed to be slightly smaller than the outer diameter of the wire bundle 90.

[0080] From the above, in the linear material extraction device 10 of this embodiment, even when the linear bundle 90 is placed on the main body 40 while still in its shrink-wrapped packaging 93 and the extraction work is performed, the shrink-wrapped packaging 93 itself does not hinder the extraction work of the linear material 91 in any way, so it is possible to extract the linear material 91 while it is still in its shrink-wrapped packaging 93. Therefore, by quickly removing the linear material 91 from the linear bundle 90 and wrapping it around the outside of the rotating guide members 50,...,50 and pulling it out, the rotating guide members 50,...,50 and the main body 40 will rotate, and the extraction work of the linear material 91 can be performed easily and quickly.

[0081] Furthermore, the linear members 91 of the linear bundle 90 can be easily pulled out from any direction, including upwards and slightly diagonally, without requiring any extra force. Therefore, it does not cause excessive fatigue to the worker, and work efficiency is improved.

[0082] Furthermore, when wiring multiple types of linear materials 91 simultaneously for a work task, there is no need to cut the linear materials 91 from the linear bundle 90, as is the case with conventional devices. In other words, the linear bundle 90 can be temporarily removed from the main body 40 of the linear material extraction device 10, and a different type of linear bundle 90 can be installed in the main body 40 to continue the work.

[0083] Furthermore, the foreign matter discharge hole 45 formed in the main body 40 has the effect of preventing foreign matter such as chips from accumulating near the locking part 70, but it also contributes to other uses. For example, when transporting the wire material extraction device 10 with the wire bundle 90 set in place to another location, one can easily lift and carry it by inserting a hand from the side of the opening 92 of the wire bundle 90 and putting a finger into the foreign matter discharge hole 45.

[0084] Furthermore, the rotating guide members 50,...,50 and the main body 40 can be easily disassembled by the locking part 70, making them less likely to get in the way at construction sites and allowing for compact storage in transport vehicles. Moreover, since the rotating guide members 50,...,50 can be easily attached to the main body 40, the linear material pulling device 10 can be quickly set up on site and work can begin immediately.

[0085] Furthermore, since the linear material extraction device 10 of this embodiment is compact and lightweight, it does not require a large installation space, making it easy to transport to and from construction sites in confined spaces such as small buildings, and it can be stored without taking up much space when not in use.

[0086] In particular, if the rotating guide members 50,...,50 are configured such that at least two flat plates 55,55 are fitted together on the rotational centerline, the multiple flat plates 55,55 can be stacked and integrated into the main body 40 for compact storage, making it easier to transport them to and from the site and to secure storage space. [Industrial applicability]

[0087] This invention has potential applications in related businesses such as the manufacture and sale of wire material extraction devices, electrical wiring work, construction, and civil engineering. [Explanation of symbols]

[0088] 10. Wire material extraction device 11. Detachable mechanism 20 Base section 21 Through hole section on the base side 22 Anti-slip material 30 Rotating part 31 Through hole part on the bearing side 32 rotations (upper part) 33 rotations (lower part) 34 Bearing support plate 35 Bearing 40 Main body 41 Mounting support member 41a Locking part 42 Guide body 43 Guide groove section 44 Handle section 44a Second locking part 45 Hole for foreign object discharge 46 Anti-slip member 47 Self-standing support piece 48 Contact piece 50 Rotating guide member 51 First inclined section 52 Projection 53 Second slope 54 Notch for locking 55 55a Flat plate material 56 Notch for fitting 57 Narrowed section 60 Detachable part 61 Fitting groove 70 Locking part 71 Locking component 71a Arm section 71b Locking projection 72 Stopper part 72a Locking stopper part 72b Unlock stopper section 90 Linear bundle 91 Linear material 92 Opening 93 Shrink wrapping

Claims

1. A linear material extraction device for pulling out a linear material from a donut-shaped bundle of long linear materials that has an opening in the center and is rotatable, wherein a long linear material is wound around a donut-shaped bundle of linear materials, A base that is placed on the floor, A rotating part is installed on this base and is provided to be rotatable in a nearly horizontal direction, A main body that is fixed to the upper part of this rotating section and is rotatable, and on which the linear bundle can be placed, This includes a rotating guide member erected on the rotating shaft of the main body, which guides the linear material in the pulling direction when the linear material is pulled out from the linear bundle, and transmits rotational force to the main body and the rotating part to rotate the linear bundle on the main body, A linear material extraction device characterized in that the rotating guide member has a first inclined portion formed on its outer edge, which slopes radially outward as it goes upward.

2. The linear material pulling device according to claim 1, characterized in that the rotating guide member has a projection that protrudes outward from the upper end of the first inclined portion.

3. The linear material extraction device according to claim 1 or 2, characterized in that the lowest part of the first inclined portion of the rotating guide member is formed at a height approximately above the upper surface of the linear bundle placed on the main body, and a second inclined portion is formed continuously from the first inclined portion, inclined radially outward as it goes downward from the first inclined portion.

4. The linear material extraction device according to claim 3, characterized in that the rotating guide member is formed to be detachable from the rotating shaft of the main body.

5. The linear material pulling device according to claim 4, characterized in that the rotating guide member is composed of at least two flat plate-shaped materials formed to be substantially symmetrical with respect to the rotation centerline, and fitting notches for forming the rotating guide member are provided in each of these two flat plate-shaped materials, which are integrated by fitting them together on the rotation centerline.

6. The linear material extraction device according to claim 4, characterized in that the main body is provided with a detachable mechanism comprising a detachable part for attaching or detaching the rotating guide member, and a locking part for fixing the rotating guide member to the detachable part.

7. The linear material extraction device according to claim 6, characterized in that a through hole is formed in the base portion and the rotating portion, and a foreign matter discharge hole is formed in the main body portion at a position below the attachment / detachment mechanism and in communication with the through hole.

8. The main body is provided with a pair of sliding auxiliary mounting members that extend and retract to the left and right from the rotation center of the main body, in order to expand and contract the range in which the linear bundle can be placed. The linear material extraction device according to claim 1 or 2, characterized in that the pair of support members for mounting each comprises a plurality of guide bodies extending in the horizontal direction, and the plurality of guide bodies are movably inserted into a plurality of corresponding guide grooves formed inside the main body, thereby allowing each to extend and retract to the left and right.

9. The rotating guide member is composed of at least two flat plate-shaped materials formed to be substantially symmetrical with respect to the rotation centerline, The aforementioned auxiliary mounting member is provided with locking portions on opposite sides that serve as recesses for holding the edges of the at least two flat plates by clamping them from the left and right when the at least two flat plates are placed on the main body in an overlapping state for storage. The linear material pulling device according to claim 8, characterized in that the at least two flat material plates are fixed in place and can be stored on the main body by sliding the support member in a direction that reduces the support member inward, thereby sandwiching the at least two flat material plates between the support member on both sides.

10. The linear material dispensing device according to claim 3, characterized in that each of the rotating guide members is formed such that the lower end of each second inclined portion contacts the inner peripheral edge of the lower part of the shrink packaging of the linear bundle.

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