JP2009254139A - Cable bracket - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To receive and support a cable surely on a wall surface of a tunnel and the like. <P>SOLUTION: A cable bracket consists of a supporting base frame 1 provided with fixing pieces on both opposite ends of a supporting substrate 1a to fix the substrate on the wall surface of a tunnel and the like; and the supporting carriers 2 detachably attached to the supporting substrate on a base end portion to supportively receive a cable c. Spring materials 3 are overlapped on the back surface side of the supporting substrate and detachably attached to the supporting base frame. Furthermore, engaging fixing holes and a through-hole blockaded by each spring material are juxtaposed on the supporting substrate. Hook-like engaging fixing pieces 13, which are inserted in the engaging fixing holes against the spring energization of the spring material blockading the upper side of the engaging fixing holes and engaged and fixed at lower positions from the spring material on the engaging fixing holes, and a locking piece 12 of a T shape, whose neck portion is locked on the narrow portion of a locking hole of nearly T shape provided above the engaging fixing hole on the supporting substrate, are provided on a base end of each supporting carrier. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a cable bracket used to suspend and support a power or communication cable on a side wall (surface) of a tunnel or the like.

  A support base frame is formed by providing fastening parts that are bent in an L shape at both upper and lower ends of the support substrate and fixed to a side wall such as a tunnel, and a slit is provided in the support substrate of the support base frame and inserted into the slit. Then, there is a structure in which a cable is suspended on a support receiver that is rotated by 90 ° and locked to the edge of the support substrate and assembled to the support substrate (for example, Patent Document 1).

  This conventional example employs a structure in which the support support is rotated and assembled to the support base frame (support substrate). Therefore, when a load such as a cable is imbalanced on the support support, the support receiver easily rotates and receives the cable. The support state may become unstable. For this reason, special measures such as arranging the support receivers close to each other to prevent the rotation described above are necessary. A complicated operation is required for attaching and detaching the support receiver to and from.

  Therefore, in order to avoid such a drawback, a spring piece is fixed to the back surface side of the support substrate, and a hooking hole whose upper side is closed at the free end of the spring piece and a through hole where the free end overlaps are provided. A saddle-like shape that is juxtaposed to the support substrate, is inserted through the latching hole against the bias of the spring piece, and the neck is latched to the lower edge of the latching hole below the spring piece. There has been proposed one in which a latching piece is provided at the base end of the support receiver (for example, Patent Document 2).

JP 2004-140985 A JP 2007-318829 A

  In the latter conventional example in which the spring piece is a means for attaching / detaching (attaching) the support receiver to / from the support base frame, the support receiver can be stably assembled to the support base frame, and the operation can be smoothly performed during attachment / detachment. Although it has advantages that can be performed, since the spring piece is fixed to the support base frame, the fixing part may not function due to processing accuracy or aging, etc. Welding and riveting, which are assumed as a piece fixing means, have drawbacks such as being complicated and expensive.

  The present invention pays attention to the disadvantages of such a conventional example, and separates the spring material from the support base frame, and if necessary, that is, only when assembling the support receiver to the support base frame. Is assembled to the support base frame so that an inexpensive product can be provided.

  A supporting base frame provided with fastening pieces for fastening to a wall surface such as a saddle at opposite ends of the supporting substrate, and a supporting receptacle for detachably assembling the supporting substrate at the base end portion to receive and support the cable. In the cable bracket, the spring material is overlapped on the back side of the support substrate and is detachably attached to the support base frame, and a latching hole and a through hole closed by the spring material are arranged in parallel on the support substrate. The hook hole is inserted into the hook hole against the spring bias of the spring material blocking the upper side of the hook hole, and hooked into the hook hole below the spring material. A latching piece and a T-shaped latching piece that is positioned above the latching hole and that is provided on the support substrate and latches the neck at the wide flange of the substantially T-shaped latching hole. The basic means is to provide a structure provided at the base end of the support receiver.

  According to the present invention, it is possible to provide a metal fitting suitable for receiving and supporting a cable. Of course, the support base frame and the spring material are separated and used as needed. Thus, the work can be omitted, and therefore a low-cost cable bracket can be provided. In addition, since the spring material can be retrofitted on-site by selecting the attachment location provided on the support base frame, wasteful consumption of parts (spring material) can be omitted.

  According to the second aspect of the present invention, the attaching / detaching operation of the spring material can be performed smoothly, and according to the third aspect of the present invention, the operation of detaching the support receiver from the support substrate can be performed without erroneous operation.

  FIG. 1 is a side view showing a use state, FIG. 2 is a partially enlarged sectional view of FIG. 1, FIG. 3 is a right side view of FIG. 2, and FIG. FIG. 5 is a plan view of the spring material, FIG. 6 is a perspective view of the spring material, FIG. 7 is a side view of the support receiver, FIG. 8 is a plan view of FIG. 7, and FIG. FIG. 10 is a rear view of a part of the support frame, FIG. 11 is a partially enlarged side view of the second embodiment, FIG. 12 is a right side view of FIG. 11, and FIG. It is a perspective view of the spring material of an example.

  The cable bracket of the present invention includes a support base frame 1, a support receiver 2 that is used by being appropriately assembled to the support base frame 1, and a spring material that is assembled to the support base frame 1 when the support receiver 2 is assembled to the support base frame 1. 3 and.

  The support base frame 1 includes attachment frames 1b and 1c fixed to both upper and lower ends of a support substrate 1a, and is provided with a fastening portion piece 4 formed of a tip portion piece of an L-shaped bent portion of the attachment frames 1b and 1c. On the support substrate 1a provided with reinforcing part pieces 1a 'and 1a' by bending the left and right sides along the direction, the assembly part 5 of the support receiver 2 is juxtaposed in the vertical direction. The support receiver 2 is assembled to the cable, and the cable c is suspended and supported.

  The assembly portion 5 includes a substantially T-shaped locking hole 6 provided in the center of the support substrate 1a in the vertical direction, a through hole 7 provided immediately below the locking hole 6, and both sides of the through hole 7. And a support hole 9 provided at the base of the reinforcing piece 1a 'on both sides of the support substrate 1a (intersection of the support substrate 1a and the reinforcing piece 1a'). (FIG. 10).

  In addition, the assembly part 5 of the second embodiment has a diameter larger than that of the first embodiment (FIG. 3) in which the through-hole 7 is hooked on the hook piece in each of the holes 6, 7, 8, and 9. The lower edge of the spring material 3 is overlapped (FIG. 12).

  The support receiver 2 is formed by bending a metal plate in the same manner as the support base frame 1, and L-shaped side pieces 10b and 10b are relatively provided on both sides of a long rectangular receiver piece 10a. A part of the upper surface of the receiving piece 10a of the main frame 10 constructed as described above is recessed to form an engaging portion for the cable c, while the rear end or the base end of the receiving piece 10a has a front portion 12a and a neck portion. A locking portion 12 having a substantially T-shape (plan view) made of 12b is projected, and the base end edge (on the neck 12b side) and the base end edge of the locking portion piece 12 are on the same plane. The latching piece 13 is positioned so as to protrude from the rear end, that is, the base end of the side piece 10b. The latching piece 13 includes a front portion 13a and a latching portion (neck portion) 13b. It consists of a bowl-shaped piece.

  As described above, the locking piece 12 has a T-shape composed of the tip 12a and the neck 12b. The tip 12a is provided on the substrate 1a side of the support base frame 1. The locking hole 6 has a smaller diameter than the upper wide part 6 a and a larger diameter than the lower narrow part 6 b, and the neck 12 b has a smaller diameter than the narrow part 6 b of the locking hole 6. Therefore, the locking part piece 12 is inserted into the locking hole 6 at the wide part 6a, and lowered along the locking hole 6 to engage the neck part 12b with the narrow part 6b. Both ends of the support are locked to both edges of the narrow portion 6b, and the assembled state of the support receiver 2 with the support base frame 1 is maintained. In addition, the hooking piece 13 provided at the base end of the support receiver 2 below the locking piece 12 has a vertically long tip portion 13 a that is longer than the vertical diameter of the vertically long hooking hole 8. Therefore, the neck portion 12b is latched to the lower edge of the locking hole 8 when it is inserted into the retaining hole 8 and lowered.

  The spring material 3 has a horizontally long frame body in which wing pieces 11b and 11b are connected to both sides of a forwardly projecting central frame portion 11a having a ladder shape in plan view, and the wing piece 11b is elastically deformed. 11 is provided at the lower end edge of the wing piece 11b of the frame 11 and provided with a projecting piece 14 that closes the upper side of the retaining hole 8 when assembled to the assembling portion 5. It is provided with an attachment piece 15 that bends the free end on the front end side of the piece 11b toward the rear and engages with the support hole 9, and is further provided at the lower edge of the central frame portion 11a of the first embodiment. Is provided with the hooking piece 16 so that when the spring material 3 is assembled to the support base frame 1, the bent portion 16a at the tip overlaps the lower edge of the through hole 7 (in the second embodiment) This hook part 16 is not provided).

  When the tip end surface of the central frame portion 11a of the spring material 3 is brought into contact with the support substrate 1a of the support base frame 1, the attachment piece 15 of the spring material is inserted into the support hole 9 of the attachment portion 5. The wing piece 11b is elastically deformed by the positional relationship between the wing piece 11b having the attachment piece 15 and the central frame portion 11a contacting the back surface of the support base frame 1a, and the attachment piece 15 at the tip of the wing piece 11b is a support hole. The spring material 3 is assembled to the support base frame 1 (support substrate 1a), and the assembled state is maintained by the elastic deformation of the wing piece 11b. The upper side of the hole 8 is closed by the protruding piece 14, and the hooking piece 16 of the first embodiment is inserted into the through hole 7, and the bent portion 16 a is positioned in front of the lower end edge of the through hole 7. (FIG. 3) (In the case of the second embodiment, as shown in FIG. A state that closes the part of the timber 3, that holes 7 through the lower edge of the central frame portion 1a).

  Thus, for example, the anchor bolt b projecting from the wall surface w such as a tunnel is combined with the anchor bolt b passing through the through-hole 17 provided in the fastening part piece 4 and protrudes from the through-hole 17. By fixing and fastening a fixing nut n to the tip of the anchor bolt b, the support base frame 1 has a gap a between the substrate 1a and the wall surface w at an appropriate position on the wall surface w where the anchor bolt b protrudes. Fixed.

  The mounting state of the embodiment support bracket can be changed by assembling the support receiver 2 to all or an appropriate part of the assembling portions 5,... Arranged side by side on the substrate 1a of the supporting base frame 1 in the vertical direction. You can get it.

  Then, when the support receiver 2 is assembled to the substrate 1a, the latching piece 12 of the support receptacle 2 is aligned with the wide portion 6a of the latching hole 6 and the latching piece 13 is aligned with the upper portion of the latching hole 8. When the support 2 is pressed in the direction of the support base frame 1, the tip 13 a of the latching piece 13 closes the upper part of the latching hole 8 on the back side of the substrate 1 a, and the protruding piece 14 of the spring material 3 is The latching piece 12 moves backward through the wide portion 6 a of the latching hole 6 at the same time as the backward movement by pressing against the urging force, and the base end of the latching piece 12 and the latching piece 13. When the base end of the main frame 10 of the support receiver 2 on the same surface reaches the contact position with the front surface of the substrate 1a, when the support receiver 2 is pressed down, the neck portion 12b of the locking piece 12 is locked. While the engaging piece 13 engages with the width flange portion 6b of the hole 6, the engaging piece 13 descends below the projecting portion piece 14 of the spring material 3 and engages with the lower portion of the engaging hole 8 to engage with the spring piece. Out piece 14 is moved by a spring acting on the position immediately above the neck 13b of the hook piece 13 is to restrict the movement of the engaging hole 8 above the hook piece 13 (interferes).

  In this assembled state, when the cable c is suspended and supported on the support receiver 2 (main frame 10), it is assembled to the locking hole 6 of the locking piece 12 and the locking hole 8 of the locking piece 13 respectively. Even if a load is applied to the support receiver 2 according to the relationship, the support receiver 2 can be reliably maintained in the assembled state with respect to the support base frame 1 and can maintain the suspended state of the cable c.

  And if the spring material 3 part (lower end part of the center frame part 11a) which obstruct | occluded a part of the through-hole 7 is pressed against the urging | biasing of the spring material 3 (in the case of a 1st Example, by this press) The bent portion 16a of the hooking piece 16 that moves backward is hooked on the lower edge of the through hole 7 to restrict the backward movement, thereby preventing excessive pressing operation), and the protruding piece 14 of the spring material 3 is the hooking piece. Retracting from the position immediately above 13, the latching piece 13 is in a state where it can freely move up and down in the latching hole 8. Then, when the support receiver 2 is lifted after the pressing operation of the spring material 3, the restriction by the spring material 3 is released, so that the locking part piece 12 is in the locking hole 6, and the locking part piece 13 is hooked. Ascending along each of the holes 8, the locking portion piece 12 is positioned at the wide portion 6 a of the locking hole 6, and the tip portion 13 a of the tip portion 13 of the locking portion piece 13 is positioned to coincide with the locking hole 8. In this state, the support receiver 2 can be detached from the support base frame 1 by pulling the support receiver 2 forward.

The side view which shows a use condition. The partially expanded sectional view of FIG. The right view of FIG. The front view of a spring material. The top view of a spring material. The perspective view of a spring material. The side view of a support receiver. The top view of FIG. The top view in the middle of removing a support receptacle from a support frame. The rear view of a part of support frame. The partially expanded side view of 2nd Example. The right view of FIG. The perspective view of the spring material of a 2nd Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support base frame 1a Support substrate 2 Support receiver 3 Spring material 4 Fastening part piece 7 Through-hole 8 Stopping hole 12 Locking part piece 12b Neck part 13 Hanging part piece

Claims (3)

  A supporting base frame provided with fastening pieces for fastening to a wall surface such as a saddle at opposite ends of the supporting substrate, and a supporting receptacle for detachably assembling the supporting substrate at the base end portion to receive and support the cable. In the cable bracket, the spring material is overlapped on the back side of the support substrate and is detachably attached to the support base frame, and a latching hole and a through hole closed by the spring material are arranged in parallel on the support substrate. The hook hole is inserted into the hook hole against the spring bias of the spring material blocking the upper side of the hook hole, and hooked into the hook hole below the spring material. A latching piece and a T-shaped latching piece that is positioned above the latching hole and that is provided on the support substrate and latches the neck at the wide flange of the substantially T-shaped latching hole. A cable bracket, provided at the base end of the support bracket.   A support base frame provided with fastening pieces that are fastened to a wall surface such as a saddle at opposite ends of the support substrate, and a support receptacle that detachably attaches to the base end portion of the support substrate to receive and support the cable. In the cable bracket, the spring material is configured by connecting the wing part pieces as the attachment parts by bending the free end of the tip side toward the rear on both sides of the center frame part protruding forward in a plan view ladder shape. The mounting piece is latched in support holes provided on both sides in the longitudinal direction of the support substrate, and the latch material and the through hole provided in parallel with the support substrate are closed with the spring material to Mounted on the back side of the support substrate, arranged side by side on the support substrate, inserted through the latching hole against the spring bias of the spring material closing the upper side of the latching hole, and at the lower side A hook-shaped locking piece that latches in the latching hole and the support positioned above the latching hole. Provided in the plate, the T-shaped locking piece for locking the neck width 狹部 substantially T-shaped locking holes, provided at a base end of the support receiving, cable pivot bracket.   The cable receiver according to claim 1 or 2, wherein a hooking piece is provided at a lower end of the spring material so that when the spring material is attached to the support substrate, a bent portion of the tip overlaps with an edge of the through hole through the through hole. Hardware.

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