TW591836B - Cable rack - Google Patents

Abstract

A cable rack is provided, which is fixing sub-girder on main girder by simple structure and without respect to the opening part of the sub-girder is upward or downward. The cable rack is consisted of a pair of main girder that is set in opposition to each other and a sub-girder with a fit up part at it's two end that is set between the pair of main girder. Wherein the fit up part of sub-girder the can be set on the main girder is protruding to the outside of the sub-girder. And the fit up part of sub-girder is joined to the main girder.

Description

591836 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to a wiring structure used for climbing electric wires in a building. [Prior art] An alignment device in which a pair of main beams are arranged at a distance, and a plurality of secondary beams are arranged between the pair of main beams. These secondary beams intersect the main beams perpendicularly, and the length The directions are separated by a certain interval from each other, and the two ends of the length direction of the main beam and the secondary beam are fixed together by fusion bonding, screw bonding or gap filling. Here, the material of such a main beam or a secondary beam is, for example, a highly corrosion-resistant steel plate (containing zinc, aluminum, and magnesium). Among them, steel plates called Z A M (trademark of Nisshin Steel) containing zinc, aluminum 6%, and magnesium 3% are more commonly used. In the case of using a steel plate with high corrosion resistance as the material of the primary or secondary standard > Using screw or fusion bonding to set the two together may damage part of the plating layer, resulting in the so-called corrosion resistance The problem of worsening, so Japanese Patent Laid-Open No. 2001-69633 filed in recent years discloses the use of a gap filler for assembly. In the case of using this gap-filling method for assembly, the alignment device shown in Fig. 9 is assembled. The main beam 1 is formed by a flange la provided at both ends in the width direction along the length direction and a web (W eb) 1 b connecting the flanges 1 a at both ends in the width direction to form a cross section. Slightly zigzag. Groove portions 2 are recessed along the longitudinal direction at both end sides in the width direction of the web 1b. The secondary beam 3 is also formed by a flange 3a provided at both ends in the width direction along the length direction and a protrusion connecting the ends in the width direction.

10849pif.ptd Page 6 591836 V. Description of the Invention (2) The web 3b of the edge 3a is formed to form a C shape with a lip portion in section. At the two ends of the secondary beam 3 in the longitudinal direction, there are provided mounting pieces 4 'which are connected integrally with the web 3b and intersect the web 3b perpendicularly. When the secondary beam 3 is connected to the main beam 1, the inner surface of the main beam 1 is opposed to the lengthwise end of the secondary beam 3, and the lengthwise end of the secondary beam 3 is inserted into the groove portion 2 of the main beam 1, so as to be installed. The piece 4 ′ contacts the inner surface of the groove portion 2 of the main beam 1, and the end in the length direction of the web 3 b of the secondary beam 3 contacts the flange 1 a of the mother beam 1, and then the contact portions are formed between each other through gap filling processing. The concave-convex fitting portion 5 is joined together. Therefore, the contact portion of the mounting piece 4 ′ and the web 1 b of the main beam 1 is joined together by a concave-convex fitting portion 5 a, and the contact portion of the longitudinal end of the web 3 b of the secondary beam 3 with the flange 1 a of the main beam 1 is The two concavo-convex portions 5 b are joined together. In the above-mentioned conventional example, the main beam 1 or the secondary beam 3 is fixed by using a gap filling process. Even if the material is a highly corrosion-resistant steel plate, it can be assembled without being scratched, but it has the following problems . In a case where the opening between the lip portion 3 c of the flange 3 a of the secondary beam 3 faces upward, the mounting piece 4 ′ is coupled to the web lb with an uneven fitting portion 5 a, and The end of the web 3b in the longitudinal direction is coupled to the flange 1a by two concave-convex fitting portions 5b, so that the two can be firmly combined. However, when the opening is further directed downward, the device piece 4 'can be combined, but the end in the longitudinal direction of the web 3b cannot be combined, which causes a problem that the two cannot be firmly combined together. [Summary of the Invention] In view of this, the object of the present invention is to provide

10849pif.ptd Page 7 591836 V. Description of the invention (3) Both the main part and the secondary girder can be firmly fixed together by using a simple structure with the mouth facing upward or downward. The present invention proposes an alignment device, which is provided with a pair of main beams 1 opposite to each other, and mounting portions 4 at both ends which can be mounted on the main beams 1, which are erected between the main beams 1 and arranged in the length direction of the main beams 1 Secondary beam. It is characterized in that the mounting part 4 of the secondary beam 3 that can be mounted on the main beam 1 is protruded from the outside of the secondary beam 3, and this mounting part 4 can be concluded in the main beam 1. A pair of mounting portions 4 protruding from the outer side of the secondary beam 3 is connected to the main beam 1 so that the ends of the secondary beam 3 are firmly connected by the combination of the mounting portion 4, even if the secondary beam 3 is opposite from top to bottom. The simple structure of the mounting portion 4 can be used to make the two combined and firmly installed together. In order to make the above and other objects, features, and advantages of the present invention more comprehensible, a preferred embodiment is given below in conjunction with the accompanying drawings to make a detailed description as follows: [Embodiment] Please refer to Section 2 FIG. 4 is a structural diagram of a line alignment device according to a preferred embodiment of the present invention. This alignment device sets a plurality of secondary beams 3 at equal intervals between a pair of main beams 1 at intervals on both sides, and both ends of the secondary beams 3 are connected to the main beams 1 so that A structure that parallels the main beam 3 and climbs the wires on the secondary beam 3 and supports the wires. The main beam or the secondary beam of this alignment device is formed of metal, for example, a steel plate with high corrosion resistance. The main beam 1 has a set width and length, and includes a flange la and a connection width provided at both ends in the width direction along the length direction.

10849pif.ptd Page 8 591836 V. Description of the Invention (4) The webs 1b of the flanges la at both ends in the direction of the degree form a slightly 匸 -shaped cross section. Groove portions 2 are recessed along the longitudinal direction at both end sides in the width direction of the web 1b. The secondary beam 3 also has a set width and length, and includes a flange 3a provided along the length direction at both ends in the width direction and a web 3b connecting the flanges 3a at both ends in the width direction. , And the cross section is formed to have a lip shape with a lip. The flanges 3a at both ends have lip portions 3c, and there are openings between the lip portions 3c. At both ends in the longitudinal direction of the secondary beam 3, mounting portions 4 each protruding outward are provided. That is, at the ends in the longitudinal direction of the two flanges 3a of the secondary beam 3, there are provided mounting portions 4 which are integrally connected to the flange 3a and which intersect the flange 3a perpendicularly and protrude outward. When connecting the secondary beam 3 to the main beam 1, the inner surface of the main beam 1 is opposed to the lengthwise end of the secondary beam 3. As shown in FIG. 1, insert the end of the length < of the secondary beam 3 into the main beam. In the recessed groove portion 2 of 1, the mounting portion 4 is brought into contact with the inner surface of the recessed groove portion 2 of the main beam 1, and then the contact portions are combined with each other by the concave-convex fitting portion 5 formed by the pressing through the gap filling process. As shown in Fig. 5, the concave-convex fitting portion 5 is pressed from the main beam 1 side, and is joined by the concave portion 7 on the main beam 1 side to the concave portion 8 on the secondary beam 3 side. The outer periphery of the front end of the recessed portion 7 expands outward to form a protrusion 7 a. The inner periphery of the front end of the recessed portion 8 expands outward to form a recessed portion 8 a. The protrusion 7 a and the recessed portion 8 a are tightly combined to form unevenness that will not fall off. Fit section 5. The coupling of the concave-convex fitting portion 5 can be performed by, for example, the Double Clinch method shown in FIGS. 6A and 6B, and is performed in the following manner. At punch A (Punch) and punch B (Die)

10849pi f.ptd Page 9 591836 V. Description of the invention (5) A pair of metal plates C and D are arranged between them, as shown in Fig. 6A, corresponding to the die B below the metal plates C and D, and the upper one is used. The punch A is pressurized to plastically deform the metal plates C and D. Next, as shown in FIG. 6B, the platform E (A n v i 1) is raised from below, and the plastically deformed portion is crushed by the punch projection F, and the two metal plates C and D are locked to complete the combination. As described above, the main beam 1 and the secondary beam 3 are connected to form an alignment device. A pair of mounting portions 4 protruding toward the outside provided at both ends of the secondary beam 3 in the longitudinal direction are coupled to the main beam with a concave-convex fitting portion 5. The groove portion 2 of 1 is such that the opening of the secondary beam 3 faces upward or downward, and the secondary beam 3 can be firmly coupled to the main beam 1 by a pair of mounting portions 4. Then, when a plurality of secondary beams 3 are installed with the openings of the secondary beams 3 facing upward as shown in FIG. 2 to form an alignment device, the plurality of secondary beams 3 μ are shown in FIG. 3. When the opening part of the secondary beam 3 is installed facing downward to form the alignment device ', or when the secondary beam 3 with the opening part facing upward and the secondary beam 3 with the opening part facing downward are alternately arranged as shown in FIG. In the case of the alignment device, the main beam 1 and the secondary beam 3 can be firmly connected together. When the opening of the secondary beam 3 is set to face upward, the problem of dust accumulation may occur. When the opening of the secondary beam 3 is set to face downward as shown in FIG. 3, dust may not be accumulated in the secondary beam 3. in. Furthermore, as shown in FIG. 4, the secondary beam 3 with the opening portion facing upward and the secondary beam 3 with the opening portion facing downward and the opening portion of the secondary beam 3 are provided with screws (Bolt) 11a and nuts (Nut) lib alternately. In the case where the fixed device 11 composed of the accessory 10 is installed, as shown in FIG. 7, the accessory 10 can be installed above and below the secondary beam 3. In FIG. 7, a separator 10 a as an accessory 10 is installed on the secondary beam 3 above the secondary beam 3.

10849pif.ptd Page 10 591836 V. Description of the invention (6) The board member 1 0 b as an accessory 10 is installed below. Furthermore, when the secondary beam 3 is connected to the main beam 1 again, since the mounting portion 4 of the secondary beam 3 is connected to only the groove portion 2 of the main beam 1 and not the flange 1 a, it can be connected to the main beam as shown in FIG. 8. The flange 1 a of the beam 1 is provided with a folded-back portion 12. By providing the folded-back portion 12 (reinforcing portion), the strength of the main beam 1 can be increased, and the metal plate forming the main beam 1 can be made thinner and lighter. In addition, the above-mentioned embodiment is described by taking an example in which the mounting portion 4 of the secondary beam 3 is processed by using a gap filler and the concave-convex fitting portion 5 is combined together. Of course, the secondary beam 3 is mounted on the main beam 1 by using the mounting portion 4. As a method, screw joining, melting joining, or the like may be used. ADVANTAGE OF THE INVENTION The alignment device of the present invention includes a pair of opposite main beams, two ends of which have mounting portions that can be mounted on the main beams, and a secondary beam that can be erected between the main beams. Protrudingly arranged on the outer side of the secondary beam, by making a pair of mounting portions projectingly arranged on the outer side of the secondary beam into the main beam, the ends of the secondary beam are firmly combined by the combination of the mounting portion, even if the secondary beam is opposite from above and below, It is also possible to use a simple structure of the mounting portion to make them firmly joined and to install together. In addition, if the mounting portion is provided in a plurality of places, the secondary beam can be more firmly mounted on the main beam. In particular, if the mounting portion is protruded and provided in each direction of the length of the main beam, and the mounting portion protrudingly arranged in the width direction of the secondary beam is associated with the main beam, the main beam and the secondary beam can be firmly installed together. In addition, by making the contact portion of the main beam and the mounting part from the set direction,

10849pif.ptd Page 11 591836 V. Description of the invention (7) Pressing to form a concave-convex joint to join the two together will not produce the surface caused by plastic forming a concave-convex joint to join the two together. Damage, and the alignment can be easily assembled. In addition, the outer periphery of the front end of the inner concave portion of the concave-convex engaging portion is expanded outward to form a protrusion closely contacting the inner side of the outer concave portion. Therefore, the peeling strength of the concave-convex engaging portion can be increased and joined together. Although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes and retouch without departing from the spirit and scope of the present invention. The scope of protection of the invention shall be determined by the scope of the attached patent application.

10849pi f.ptd Page 12 591836 Brief Description of Drawings Figures 1A and 1B are enlarged oblique views and enlarged views of important portions of the main beam and secondary beam of the alignment device of the present invention, respectively. Fig. 2 is a perspective view showing an example of an installation method of the secondary beam of the alignment device of the present invention. Fig. 3 is a perspective view showing another example of the method of installing the secondary beam of the alignment device of the present invention. Fig. 4 is a perspective view showing still another example of the installation method of the secondary beam of the alignment device of the present invention. Fig. 5 is an enlarged sectional view showing an uneven fitting portion of the alignment device of the present invention. Fig. 6A and Fig. 6B are explanatory diagrams illustrating processing in a double-tightly-embedded manner. Fig. 7 is a side sectional view showing an example of an accessory of the device for the alignment device of the present invention. Fig. 8 is a view showing a state where the main beam of the alignment device of the present invention is provided with a folded-back portion at a flange. Figures 9A and 9B are perspective views showing the conventional alignment device and enlarged views of the joints of the main beam and the secondary beam, respectively. [Explanation of drawing symbols] 1: Main beam 1 a, 3 a: Flange 1 b, 3 b ·· Web 2: Concave groove part 3: Secondary beam

10849pif.ptd Page 13 591836 Brief description of the drawing 3c: Lip part 4: Mounting part 4 ': Mounting pieces 5, 5a, 5b: Concavo-convex part 1 0: Accessories 1 0 a: Separator 1 0 b: Plate member 1 1: Fixing device 1 1 a: Screw 1 1 b: Nut 1 2: Folded part A: Punch B: Die 'C, D: Metal plate E: Platform F: Punch projection

10849pif.ptd Page 14

Claims (1)

591836 6. Scope of patent application 1. A aligner, comprising: a pair of main beams oppositely arranged; and a primary beam erected between the main beams, and two ends of the secondary beams can be installed on the main beams The upper mounting portion is characterized in that the mounting portion is protrudingly disposed outside the secondary beam. 2. The aligner according to item 1 of the scope of the patent application, wherein the above-mentioned mounting portion is provided at a plurality of positions. 3. The alignment device according to item 1 of the scope of patent application, wherein the mounting portion is protruded in each direction of the length direction of the main beam. 4. The alignment device according to item 1 of the scope of patent application, wherein the contact portion between the main beam and the mounting portion is connected by forming a concave-convex fitting portion by pressing from the set direction. 5. The alignment device according to item 1 of the scope of patent application, wherein the concave-convex% fitting portion is formed by pressing from the main beam side. 6. The alignment device according to item 1 of the scope of patent application, wherein the outer periphery of the front end of the inner concave portion of the concave-convex fitting portion is expanded outward to form a protrusion closely contacting the inner wall of the outer concave portion. 7 · The thread guide according to item 1 of the scope of patent application, wherein the mounting portion is coupled to the main beam by means of screwing. 8. The alignment device as described in item 1 of the scope of the patent application, wherein the mounting portion is coupled to the main beam by fusion bonding. 9. The alignment device as described in item 1 of the scope of patent application, which includes a reinforcing portion, which is formed by folding back the widthwise end of the main beam. 10849pif.ptd Page 15 591836 10849pif.ptd Page 16