JP6035571B2 - Roller device for cable rack - Google Patents

Description

  The present invention relates to a roller device for a cable rack, and more particularly to a roller device for a cable rack that is installed in a cable rack and guides the cable when a cable is laid in the cable rack.

  2. Description of the Related Art Conventionally, various roller apparatuses that guide cables when performing a wire drawing operation for laying cables in a cable rack are used. When the cable is extended, a force in the extending direction is applied to the roller device. For this reason, if the fixing of the roller device to the cable rack is unstable, there is a possibility that the position of the roller device is shifted or the roller device is dropped from the cable rack.

  Therefore, for example, a roller device for a cable rack described in Patent Document 1 below is engaged with a child beam of a cable rack by an engaging portion provided on one end side of a main body that supports a roller, and the main body At the other end of the cable, it is firmly fixed to the cable rack by pressing the other child girder with a nut using a metal fitting.

  It is also conceivable to make the cable rack roller device large and heavy in order to prevent the roller device from being displaced or dropped. As a result, it is possible to perform the cable drawing work simply by placing the roller device on the cable rack.

JP 2010-193650 A

  By the way, the roller device for the cable rack is usually installed in the cable rack prior to the cable extension, and is removed from the cable rack after the cable extension. For this reason, in the roller device described in Patent Document 1, although the roller device can be firmly fixed to the cable rack, it takes time and effort to attach and detach the roller device.

  On the other hand, when the roller device for the cable rack is made large and heavy, the roller device can be stably placed on the cable rack, but a large amount of labor is required for installing and removing the roller device.

  Accordingly, an object of the present invention is to provide a cable rack roller device that can be easily and stably installed in a cable rack.

  In order to achieve the above object, the roller device for a cable rack according to the present invention can be placed on a cable rack in which a plurality of child beams are provided at a predetermined interval between a pair of parent beams, and the roller body and the feed roller A roller apparatus for a cable rack comprising: a base extending in a longitudinal direction of the main beam and a lower end from one longitudinal end of the base in a state of being placed on the cable rack; A first engaging portion that extends to a child beam of the cable rack, and a second engaging portion that extends downward from the other longitudinal end portion of the base and extends to another child beam of the cable rack. The first engaging portion engages with a child beam of the cable rack from a side opposite to the second engaging portion, and the second engaging portion is opposite to the first engaging portion. The first engagement member engages with another child beam from the side. Distance between part and the second engaging portion, is characterized in that it corresponds to the total length of the predetermined interval or the width of an integral multiple thereof and Koketa of Koketa of the cable racks.

  According to the present invention configured as described above, the first engagement portion engages with the child beam of the cable rack from the side opposite to the second engagement portion, and the second engagement portion is the first engagement portion. The distance between the first engagement portion and the second engagement portion corresponds to a predetermined interval of the cable rack child beam or an integral multiple thereof so as to engage with another child beam from the opposite side of the joint. ing. Thereby, according to this invention, when the force which is going to shift to the one end part side of the longitudinal direction of a roller main body is applied to the roller apparatus from the extended cable, a 2nd engaging part becomes a child beam. By engaging, the positional deviation of the roller device is prevented. On the other hand, when a force is applied from the extended cable to the roller device to shift to the other end side in the longitudinal direction of the roller body, the first engaging portion is engaged with another child beam. The positional deviation of the roller device is prevented.

  Moreover, according to the present invention, the first and second engaging portions can be easily engaged with the child beams by placing the roller device on the cable rack. Therefore, according to the present invention, the roller device can be easily and stably installed on the cable rack.

In the present invention, it is preferable that the lower end portion of the second engagement portion extends toward the one end portion along the lower surface of the another child beam.
Thereby, even if it tries to move the roller apparatus mounted in the cable rack upward, the tip of the second engaging portion is engaged with the child beam, so that the roller apparatus is prevented from dropping from the cable rack. As a result, the roller device can be stably installed by the cable rack.

  When removing the roller device from the cable rack, first, the one end portion side of the roller device is lifted to remove the first engagement portion from the child beam, and then the other end portion side of the roller device is lifted to the second position. The engaging portion may be removed from the child beam. Thereby, a roller apparatus can be easily removed from a cable rack.

  Further, when setting the roller device to the cable rack, first, the second engaging portion on the other end side of the roller device is engaged with the child beam, and then the one end portion side of the roller device is lowered, The first engaging portion may be engaged with another child beam. Thereby, a roller apparatus can be easily mounted in a cable rack.

  Preferably, in the present invention, a guide roller supported by a rotating shaft rising from the base, and a guide base portion that supports the rotating shaft of the guide roller so that the rotating shaft can fall in the longitudinal direction of the base. And a sleeve capable of fixing the rotary shaft to the guide base and movable along the rotary shaft, wherein the rotary shaft of the feed roller extends upward from both sides along the longitudinal direction of the base. The height of the side wall portion from the base is lower than the portion of the feed roller that supports the rotating shaft at the portion facing the guide roller.

  Accordingly, the guide roller can be turned over or upright by easily moving the sleeve by hand from the outside of the side wall, that is, from the side. As a result, it is not necessary to put a hand next to the guide roller from above the roller body in order to move the sleeve, particularly when the roller device is withdrawn after the cable is extended. For this reason, the safety of work can be improved.

  In the present invention, it is preferable that a height of the first engagement portion from the base, a height of the second engagement portion from the base, and a height from the base to the highest portion of the feed roller. , Substantially equal.

  Thereby, a plurality of roller devices can be stacked horizontally, and transportation and storage of the roller devices can be facilitated.

In the present invention, it is preferable to further include a handle attached to the first engaging portion side of the roller body.
Accordingly, when the handle is held by hand, the first end side of the roller device is raised and the second end side is lowered. As a result, when placing the roller device on the cable rack, first engage the second engagement portion on the other end side of the roller device with the child beam, and then lower the one end portion side of the roller device, It becomes easy to engage the first engaging portion with another child beam. As a result, the roller device can be placed on the cable rack more easily.

  Further, when removing the roller device from the cable rack, by lifting the handle by hand, the one end portion side of the roller device is first lifted to remove the first engagement portion from the child beam, and then the second engagement. By removing the part from the child beam, the roller device can be more easily removed from the cable rack.

  The cable rack roller device of the present invention can be attached to a cable rack provided with a plurality of child beams at a predetermined interval between a pair of parent beams, and is used for a cable rack including a roller body and a feed roller. A roller device, wherein the roller body is mounted on the cable rack, and a base extending in a longitudinal direction of the main beam and the roller device for the cable rack are included in the pair of main beams of the cable rack. A first bracket and a second bracket aligned with the lower surface of the base, the first bracket being a pair of parallel brackets extending along the longitudinal direction of the base. One of the pair of brackets, and a clamping knob for fixing the parent girder between the pair of brackets, and the other of the pair of brackets, A first engagement portion extending downward from one end portion in the hand direction for hanging on a child beam of the cable rack, wherein the second attachment portion includes a pair of parallel portions extending along a longitudinal direction of the base A bracket, and one of the pair of brackets having a clamping knob for fixing the parent girder between the pair of brackets, and the other of the pair of brackets on the longitudinal direction of the base A second engagement portion extending downward from the other end portion of the cable rack for hanging on another child beam of the cable rack, wherein the first engagement portion is connected to the cable from a side opposite to the second engagement portion. The first engagement portion and the second engagement portion are engaged with a child spar of a rack, and the second engagement portion is engaged with another child spar from a side opposite to the first engagement portion. The interval between the joints is the predetermined interval of the child beam of the cable rack or an integer thereof. It is characterized in that it corresponds to the total length of the width of Koketa with.

  According to the present invention configured as described above, the first engaging portion engages with the child beam of the cable rack from the side opposite to the second engaging portion, and the second engaging portion is the first engaging portion. The distance between the first engagement portion and the second engagement portion is such that the predetermined distance between the child rack spar and the width of the child spar are such that the other engagement spar is engaged from the opposite side of the engagement part Or the total length of the integral multiple of a predetermined interval of child digits and the width of the child digits. Thereby, when a force is applied to the roller device from the extended cable to the one end side in the longitudinal direction of the roller body, the second engaging portion is engaged with the child beam, Misalignment of the roller device is prevented. On the other hand, when a force is applied from the extended cable to the roller device to shift to the other end side in the longitudinal direction of the roller body, the first engaging portion is engaged with another child beam. The positional deviation of the roller device is prevented.

  In addition, the first and second engaging portions can be easily engaged with the child beam by attaching the roller device to the cable rack with the parent beam of the cable rack sandwiched between the brackets of the roller device. Therefore, according to the present invention, the roller device can be easily and stably installed on the cable rack.

In the present invention, it is preferable that the lower end portion of the second engagement portion extends toward the first attachment portion along the lower surface of the another child beam.
Thereby, even if it tries to move the roller apparatus mounted in the cable rack upward, the tip of the second engaging portion is engaged with the child beam, so that the roller apparatus is prevented from dropping from the cable rack. As a result, the roller device can be stably attached by the cable rack.

  Thus, according to the present invention, it is possible to provide a cable rack roller device that can be easily and stably installed in a cable rack.

(A) is the upper surface of the roller apparatus for cable racks by 1st Embodiment of this invention, (B) is the front view, (C) is the side view seen from the longitudinal direction of the roller apparatus. . (A) is the front view which looked at the roller apparatus for cable racks by 1st Embodiment mounted in the cable rack from the inner side of a cable rack, (B) is the side view seen from the longitudinal direction of the roller apparatus It is. (A) is the front view of the roller apparatus for cable racks by 1st Embodiment stacked, (B) is the side view seen from the longitudinal direction of the roller apparatus. (A) is the front view which looked at the roller apparatus for cable racks by 2nd Embodiment mounted in the cable rack from the inner side of a cable rack, (B) is the side view seen from the longitudinal direction of the roller apparatus It is.

Hereinafter, a roller device for a cable rack according to an embodiment of the present invention will be described with reference to the accompanying drawings.
First, with reference to FIG.1 and FIG.2, the roller apparatus for cable racks of 1st Embodiment is demonstrated. 1 (A) to 1 (C) show a roller device for a cable rack according to a first embodiment of the present invention, and FIGS. 2 (A) and 2 (B) are states placed on the cable rack. The roller device is shown.

  As shown in FIG. 2, the cable rack roller device 1 is used in a state of being placed on a cable rack 60. The cable rack 60 includes a pair of parent beams 62 parallel to each other, and a plurality of child beams 64 that are connected to the parent beam 62 at both ends between the pair of parent beams 62 and are provided at a predetermined interval (pitch). It is composed of

  As shown in FIG. 1, the roller device 1 of this embodiment includes a roller body 10, two feed rollers 20, and four guide rollers 30.

  The roller body 10 includes a base 11, a first engagement portion 12, a second engagement portion 14, and a side wall portion 16. As shown in FIG. 2A, the base 11 extends in the longitudinal direction of the main beam 62 in a state where the roller device 1 is placed on the cable rack 60. As shown in FIG. 1 (B), the first engaging portion 12 extends downward from one end in the longitudinal direction of the base 11 by being bent substantially at a right angle, and as shown in FIG. 2 (B), the cable rack 60. The child digit 64a is multiplied. As shown in FIG. 1 (B), the second engaging portion 14 extends downwardly from the other end in the longitudinal direction of the base 11 by being bent at a substantially right angle, and as shown in FIG. 2 (B), the cable rack 60 different child digits 64b. Furthermore, the lower end part of the 2nd engaging part 14 is extended toward the one end part along the lower surface of another child beam 64b. The side wall part 16 is bent and extended upward at substantially right angles from both sides along the longitudinal direction of the base 11. A handle 18 is attached to the outside of the first engaging portion 12.

  The roller body 10 can also be tied to the cable rack 60 by passing a rope through holes provided on both sides of the central portion in the longitudinal direction of the base 11 and holes formed in the central portion in the longitudinal direction of the side wall portion 16. .

  In order to feed the cable 70, the two feed rollers 20 are arranged in the width direction orthogonal to the longitudinal direction in the vicinity of both ends in the longitudinal direction of the roller body 10. The rotation shaft 22 of each roller 20 is supported by the side wall portion 16 of the roller body 10.

  The four guide rollers 30 are provided at the four corners of the base 11 of the roller body 10 so that the rotation shaft rises from the base 11. The rotation shaft 32 of each guide roller 30 is pivotally supported by a guide base portion 34 so as to be able to fall in the longitudinal direction of the roller body 10. Each rotary shaft 32 is fixed to the guide base 34 in a state of being upright from the base 11 by a sleeve 36. Further, the rotary shaft 32 can be overturned by moving the sleeve 36 upward along the rotary shaft 32 (FIG. 1B).

  The interval between the first engaging portion 12 and the second engaging portion 14 corresponds to the total length of the predetermined interval of the child beam 64 and the width of the child beam 64 of the cable rack 60. As a result, the first engagement portion 12 is engaged with the child beam 64a of the cable rack 60 from the side opposite to the second engagement portion 14, and the second engagement portion 14 is opposite to the first engagement portion 12. Engage with another child beam 64b from the side.

  As a result, when a force is applied to the roller device 1 from the extended cable 70 toward the one end side in the longitudinal direction of the roller body 10, the second engaging portion 14 is engaged with the sub beam 64b. By combining, the positional deviation of the roller device 1 is prevented. On the other hand, when a force is applied from the extended cable to the roller device 1 so as to shift to the other end side in the longitudinal direction of the roller body 10, the first engaging portion 12 is engaged with another child beam 64a. By combining, the positional deviation of the roller device 1 is prevented.

  Further, as shown in FIG. 1B, the lower end portion of the second engaging portion 14 extends by being bent at a substantially right angle toward the one end portion along the lower surface of another sub beam 64b. Thereby, even if it tries to move the roller apparatus 1 mounted on the cable rack 60 upward, the tip of the second engaging portion 14 is engaged with the child beam 64b, so that the roller apparatus 1 is detached from the cable rack. Is prevented. For this reason, the roller device 1 can be stably installed by the cable rack 70.

  When setting the roller device 1 to the cable rack 60, first hold the handle 18, engage the second engaging portion 14 on the other end side of the roller device 1 with the sub beam 64 b, and then, One end of the device 1 may be lowered and the first engaging portion 12 may be engaged with another child beam 64a. Thereby, the roller device 1 can be easily placed on the cable rack 60.

  When removing the roller device 1 from the cable rack 60, the handle 18 is held first, and then the first engagement portion 12 is removed from the child beam 64 a by lifting one end side of the roller device 1, and then the roller device 1. The other end side of the device 1 may be lifted to remove the second engagement portion 14 from the child beam 64b. Thereby, the roller device 1 can be easily detached from the cable rack 60.

  Further, as shown in FIG. 1B, in the roller device 1 of the present embodiment, the height H1 from the base 11 in the portion of the side wall portion 12 facing the guide roller supports the rotating shaft 22 of the feed roller 20. It is lower than the height H2 of the part to be. Accordingly, the guide roller 30 can be turned over or upright by easily moving the sleeve 36 by hand from the outside of the side wall portion, that is, from the side. For this reason, when removing the roller device 1 after laying the cable, it is not necessary to put a hand next to the guide roller 30 from above the roller body 10 in order to move the sleeve 36.

  Further, the roller device 1 can be stacked in a state where the guide roller 30 is tilted. FIG. 3 shows the roller device 1 stacked in three stages. As shown in FIG. 3A, in the roller device 1 of the present embodiment, the height Ha of the first engagement portion 12 from the base 11 and the height Hb of the second engagement portion 14 from the base 11 are as follows. The height Hc from the base 11 to the highest portion of the feed roller 20 is substantially equal. Thereby, the several roller apparatus 1 can be stacked | piled up easily horizontally, and the convenience of conveyance and storage can be aimed at.

  In addition, since the height Ha of the first engaging portion 12 and the height Hb of the second engaging portion 14 are equal, the roller device 1 of the present embodiment is not only on the cable rack 60 but also on a flat place. Can also be placed stably.

Next, a cable rack roller device according to a second embodiment of the present invention will be described with reference to FIG.
In addition, since the component above the base 11 of the roller main body 10a of the roller apparatus 1a of 2nd Embodiment is the same as the thing of 1st Embodiment, those detailed description is abbreviate | omitted.

  The roller device 1 according to the present embodiment includes a first attachment portion 40 and a second attachment that are aligned in the longitudinal direction on the lower surface of the base 11 so that the roller device 1 is attached to one of the pair of parent beams 62 of the cable rack 60. Part 50.

  As shown in FIG. 4B, the first mounting portion 40 has a pair of parallel brackets 42 and 44 extending along the longitudinal direction of the base 11. The bracket 42 is provided with a tightening knob 42 a for fixing the parent beam 62 between the pair of brackets 42 and 44. The bracket 44 has a first engagement portion 44a extending downward. As shown in FIG. 4A, the first engaging portion 44a is hung on the child beam 64a of the cable rack 60.

  The second attachment portion 50 also has a pair of brackets 54 extending in the longitudinal direction of the base 11 and parallel to each other. In FIG. 4A, only one of the pair of brackets is shown. The bracket (not shown) of the second mounting portion 50 is also provided with a tightening knob (not shown) for fixing the parent beam 62 between the pair of brackets. The bracket 54 has a second engaging portion 54a extending downward. As shown in FIG. 4A, the second engaging portion 54 is hung on another child beam 64 b of the cable rack 60. Furthermore, the lower end part of the 2nd engaging part 54a is extended toward the 1st attaching part 40 along the lower surface of another child beam 64b.

  The interval between the first engaging portion 44a and the second engaging portion 54a corresponds to the total length of the predetermined interval (pitch) of the child beam 64 of the cable rack 60 and the width of the child beam 64. ing. As a result, the first engagement portion 44a is engaged with the child beam 64a of the cable rack 60 from the side opposite to the second engagement portion 54a, and the second engagement portion 54a is opposite to the first engagement portion 44a. Is engaged with another child beam 64b.

  Thus, the roller device 1a of the present embodiment is not only attached to the main beam 62 by the tightening knob 40, but also to the child beam 64 by the first engagement portion 44a and the second engagement portion 54a. Match. For this reason, when the force which is going to shift to the one end part side of the longitudinal direction of the roller main body 10a is applied to the roller apparatus 1a from the extended cable, the 2nd engaging part 54a engages with the child beam 64b. By doing so, the displacement of the roller device 10a is prevented. On the other hand, when a force is applied to the roller device 1a from the extended cable to shift the other end side in the longitudinal direction of the roller body 10b, the first engaging portion 44a is engaged with another child beam 64a. By combining, the positional deviation of the roller device 1a is prevented.

  Further, since the lower end portion of the second engagement portion 54a further extends toward the first attachment portion 40 along the lower surface of the sub beam 64b, the roller device 1a attached to the cable rack 60 is moved upward. Even if it tries to move, the tip of the second engaging portion 54a engages with the child beam 64b, so that the roller device 1a is prevented from falling off the cable rack 60. As a result, the roller device 1a can be stably attached by the cable rack 60.

  In each embodiment mentioned above, although the example which constituted the present invention on specific conditions was explained, the present invention can perform various change and combination, and is not limited to this. For example, in the above-described embodiment, the example in which the first engagement portion and the second engagement portion are respectively engaged with the adjacent child beams has been described. However, in the present invention, the first engagement portion and the second engagement portion are described. The joint portions may be engaged with the child beams that are not adjacent to each other. For example, the second engagement portion may be engaged with a child beam placed from one child beam engaged with the first engagement portion. In that case, the interval between the first engagement portion and the second engagement portion may correspond to the total length of twice the predetermined interval (pitch) of the child beam and the width of the child beam.

DESCRIPTION OF SYMBOLS 1, 1a Roller apparatus 10, 10a Roller body 11 Base 12 1st engaging part 14 2nd engaging part 16 Side wall part 18 Handle 20 Feed roller 22 Rotating shaft 30 Guide roller 32 Rotating shaft 34 Guide base 36 Sleeve 40 First attachment Part 42, 44 Bracket 42a Tightening knob 44a First engagement part 50 Second attachment part 54 Bracket 54a Second engagement part 60 Cable rack 62 Master beam 64, 64a, 64b Child beam 70 Cable

Claims (6)

A cable rack roller device comprising a roller body and a feed roller, which can be placed on a cable rack provided with a plurality of child beams at a predetermined interval between a pair of parent beams,
The roller body is
A base extending in the longitudinal direction of the main beam and a first member for hanging on a child beam of the cable rack that ends downward from one end of the base in the longitudinal direction in a state of being mounted on the cable rack; With the joint,
A second member for hanging on the other child girder extending downward from the other longitudinal end of the base and extending toward the one end along the lower surface of the other child girder of the cable rack. With joints,
It said first engaging portion is engaged with the child digits of the cable rack from the side opposite to the second engagement portion, and the further the second engaging portion from the opposite side of the first engagement portion So that the first engaging portion and the second engaging portion are spaced from each other by the predetermined interval of the child rack of the cable rack or an integral multiple thereof and the width of the child girder. A roller device for a cable rack, which corresponds to the total length. A guide roller supported by a rotating shaft rising from the base;
A guide base that pivotally supports the rotation shaft of the guide roller so that the rotation shaft can fall in the longitudinal direction of the base;
A sleeve capable of fixing the rotating shaft to the guide base and movable along the rotating shaft;
The rotation axis of the feed roller is supported by side walls extending upward from both sides along the longitudinal direction of the base,
2. The cable rack roller according to claim 1, wherein a height of the side wall portion from the base is lower than a portion of the feed roller that supports the rotating shaft at a portion facing the guide roller. apparatus. The height of the first engagement portion from the base, the height of the second engagement portion from the base, and the height from the base to the highest portion of the feed roller are substantially equal. The roller device for a cable rack according to claim 1 or 2 . The cable rack roller device according to any one of claims 1 to 3 , further comprising a handle attached to the roller body on the first engagement portion side. A cable rack roller device that can be attached to a cable rack provided with a plurality of child beams at a predetermined interval between a pair of parent beams, and includes a roller body and a feed roller,
The roller body is
In a state of being mounted on the cable rack, in order to attach the base extending in the longitudinal direction of the parent beam and the roller device for the cable rack to one parent beam of the pair of parent beams of the cable rack, First and second mounting portions aligned on the lower surface of the base,
The first mounting portion includes a pair of parallel brackets extending along the longitudinal direction of the base, and is fixed to one of the pair of brackets with the parent beam interposed between the pair of brackets. A first engagement portion for hanging on a child beam of the cable rack, which extends downward from one end portion in the longitudinal direction of the base, on the other of the pair of brackets,
The second mounting portion includes a pair of parallel brackets extending along the longitudinal direction of the base, and is fixed to one of the pair of brackets with the parent beam interposed between the pair of brackets. A second engaging portion for hanging on another child beam of the cable rack, which extends downward from the other end portion of the base in the longitudinal direction, on the other of the pair of brackets. ,
The first engagement portion engages with the cable rack child girder from the side opposite to the second engagement portion, and the second engagement portion separates from the side opposite to the first engagement portion. An interval between the first engagement portion and the second engagement portion is set so that the predetermined interval of the child beam of the cable rack or an integral multiple thereof and the width of the child beam are set so as to engage with the child beam. A roller device for a cable rack, which corresponds to the total length. The roller device for a cable rack according to claim 5 , wherein a lower end portion of the second engagement portion extends toward the first attachment portion along a lower surface of the another child beam.

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