CN110449827A - Curved logical production method under 45 degree of lateral bending of ladder type hot galvanizing cable bridge horizontal - Google Patents

Abstract

The present invention proposes a method for manufacturing a ladder-type hot-dip galvanized cable tray horizontally bent at 45 degrees, including: dividing the entire bridge into a horizontal side bend section and a 45-degree downturn section with preset dimensions and angles For production, the 45-degree down-bending section is located at one end of the bridge frame, wherein the horizontal side-bending section is arranged along the horizontal direction, and the horizontal side-bending section includes the first section, the second section and the third section; the 45-degree downbending section The through section is connected with the other end of the third section, and the 45-degree downward bending through section is arranged along the installation direction of the third section, and is bent 45 degrees downward along the horizontal direction. The whole bridge is divided into horizontal side bend bridge and 45 degree down bend. The corner angles of the two are adjusted according to the site conditions and connected on site to meet the requirements of site conditions and cable bending radius on the bridge angle, and to meet the on-site production of bridge bends. High work efficiency, simple production method, no electric welding, no damage to the galvanized layer, no fast mouth at the interface, no damage to the cable, and less environmental pollution.

Description

Method for making ladder-type hot-dip galvanized cable tray with horizontal side bend of 45 degrees and down bend

technical field

The invention relates to the technical field, in particular to a method for making a ladder-type hot-dip galvanized cable tray with a horizontal side bend of 45 degrees and a downward bend.

Background technique

At present, ladder-type hot-dip galvanized cable trays are widely used in smelting and chemical industries, especially in heavy industries and electrical equipment power supply and distribution systems with harsh environments. During the installation of cable trays, conventional bends are installed on-site by bridge manufacturers. However, the situation at the construction site is changing, and the finished bridges often cannot meet the needs of the corners of the site, and it is necessary to make side bend installations according to the specific dimensions of the site. In the existing construction technology, the horizontal side bending of the cable bridge is painted after welding. On the one hand, the hot-dip galvanized layer is damaged after welding, the solder joints are not polished thoroughly, and the cables are easy to be scratched. The shape is not beautiful, pollutes the environment, and is easy to rust. On the other hand, the service life is not long, the deformation after welding is large, the whole bridge structure is not beautiful after installation, the integrity is poor, and the installation is inconvenient, which also affects the construction efficiency and increases the labor cost. .

Contents of the invention

In view of this, the present invention proposes a method for making a ladder-type hot-dip galvanized cable tray with a horizontal side bend of 45 degrees and a downward bend, aiming at solving the problem of low production efficiency of a ladder-type hot-dip galvanized cable tray with a horizontal lateral bend of 45 degrees. question.

In one aspect, the present invention proposes a method for manufacturing a ladder-type hot-dip galvanized cable bridge with a horizontal side bend of 45 degrees, which includes: dividing the entire bridge into a horizontal side bend section with a preset size and angle and a 45-degree lower bend. The bending section is made, and the 45-degree downward bending section is located at one end of the bridge frame, wherein the horizontal side bending section is arranged along the horizontal direction, and the horizontal side bending section includes the first section, the second The second section and the third section, the first section is located at the other end of the bridge frame opposite to the 45-degree downward bend section; the second section is connected to the first section, and the second section is along the The installation direction of the first section is bent at a preset angle; one end of the third section is connected to the second section, and the third section is bent at a preset angle along the installation direction of the second section , the first section is arranged in parallel with the third section; the 45-degree downward bending section is connected to the other end of the third section, and the 45-degree downward bending section is along the third section Set the orientation setting and bend down 45 degrees from horizontal.

Further, after the inward bending side of the bending point of the horizontal side bending through section is cut, an overlapping plate is arranged on one of the sides.

Further, the overlapping plate is integrated with the side rail, and the overlapping plate is an extension of the side rail.

Further, after cutting, the side wall on the inward bending side of the bending point of the horizontal side bending through section is riveted and connected to the overlapping plate.

Further, a through hole is provided at a position opposite to the side wall on the inward bending side of the inflection point of the horizontal side bending through section after cutting and the overlapping plate, and the through hole is connected with the through bolt.

Further, an equilateral triangular groove is provided on the outer bending side of the bending point of the horizontal side bending section, and a groove is provided on the outer side to facilitate bending of the outer side.

Further, a connecting plate is cut out at the bending point of the 45-degree downward bending section, and the connecting plate is connected with the side plate of the third section.

Further, the third segment is connected to the connecting plate by riveting.

Further, a light hole is provided at a position opposite to the connecting plate in the third segment.

Further, a 45-degree groove is provided at the bending point between the 45-degree downward bending section and the third section, so as to facilitate the downward bending of the 45-degree downward bending section.

Compared with the prior art, the beneficial effect of the present invention is that the method provides an on-site ladder-type hot-dip galvanized cable tray bend-through manufacturing method, which divides the entire bridge into a horizontal side bend bridge and a 45-degree down bend, The corner angles of the two are adjusted according to the site conditions, and the site connection meets the site conditions and the requirements of the cable bending radius on the angle of the bridge; the production process only uses a hand-held cutting machine and a pistol electric drill to cut and drill holes, and connect and fix them with round head bolts. It can meet the needs of on-site production of bridge bends, with high work efficiency, simple production methods, no electric welding, no damage to the galvanized layer, no quick openings at the interface, no damage to cables, and less environmental pollution. After installation, the entire bridge frame has beautiful structure, strong integrity and convenient installation.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same parts. In the attached picture:

Fig. 1 is a flow chart of making a ladder-type hot-dip galvanized cable tray horizontally bent at 45 degrees and down-bent according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the structure of the ladder-type hot-dip galvanized cable tray provided by the embodiment of the present invention when the horizontal side bends at 45 degrees and bends downward;

Fig. 3 is a schematic diagram of cutting at A of Fig. 2;

Fig. 4 is a schematic diagram of connection at A in Fig. 2;

Fig. 5 is the cutting schematic diagram of the B place of Fig. 2;

FIG. 6 is a schematic diagram of connection at point B in FIG. 2 .

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to Figure 1, this embodiment provides a method for making a ladder-type hot-dip galvanized cable tray with a horizontal side bend of 45 degrees and a downward bend, including the following steps:

Step S101: Divide the entire bridge into a horizontal side bend section and a 45-degree down-bend section with preset dimensions and angles for fabrication, and the 45-degree down-bend section is located at one end of the bridge frame.

Step S102: The horizontal side bending section is arranged along the horizontal direction, and the horizontal side bending section includes a first section, a second section and a third section;

Step S103: The 45-degree down-bending section is connected to the other end of the third section, the 45-degree down-bending section is arranged along the installation direction of the third section, and is bent downward along the horizontal direction 45 degree.

As shown in Figures 2-6, the entire bridge is divided into horizontal side bending sections with preset dimensions and angles and 45-degree down-bending sections 4 for fabrication, and the 45-degree down-bending section 4 is located in the bridge frame. One end, wherein, the horizontal side bend through section is arranged along the horizontal direction, the horizontal side bend through section includes a first section 1, a second section 2 and a third section 3, and the first section 1 is located at the same The other end of the bridge frame opposite to the 45-degree downward bending section 44; the second section 2 is connected to the first section 1, and the second section 2 is bent in advance along the setting direction of the first section 1 set angle; one end of the third section 3 is connected to the second section 2, and the third section 3 is bent at a preset angle along the setting direction of the second section 2, and the first section 1 Arranged in parallel with the third section 3; the 45-degree downward bending section 4 is connected to the other end of the third section 3, and the 45-degree downward bending section 4 is arranged along the third section 3 Orientation setting, and bend down 45 degrees in the horizontal direction.

Specifically, after the inward bending side of the bending point of the horizontal side bending through section is cut, an overlapping plate is arranged on one of the sides. The overlapping plate is integral with the side rail, and the overlapping plate is an extension of the side rail. After cutting, the side wall on the inward bending side of the bending point of the horizontal side bending through section is riveted and connected to the overlapping plate. After cutting, a through hole is provided at the position opposite to the side wall on the inward bending side of the bending point of the horizontal side bending through section and the overlapping plate, and the through hole is connected with the through bolt.

Specifically, an equilateral triangular groove is provided on the outer bending side of the bending point of the horizontal side bending section, and a groove is provided on the outer side to facilitate bending of the outer side.

Specifically, a connecting plate is cut out at the bending point of the 45-degree downward bending section 4 , and the connecting plate is connected with the side plate of the third section 3 . The third segment 3 is connected to the connecting plate by riveting. A light hole is provided at the position opposite to the connecting plate in the third segment 3 .

Specifically, a 45-degree groove is provided at the bending point between the 45-degree downward bending section 4 and the third section 3 to facilitate the downward bending of the 45-degree downward bending section 4 .

It can be seen that this method provides an on-site ladder-type hot-dip galvanized cable tray bend-through manufacturing method, which divides the entire bridge into a horizontal side bend bridge and a 45-degree down bend. The corner angles of the two are adjusted according to the site conditions. The on-site connection meets the site conditions and the requirements of the cable bending radius on the angle of the bridge; the production process only uses a hand-held cutting machine and a pistol electric drill to cut and drill holes, and connects and fixes with round-head bolts, which can meet the needs of on-site production of the bridge. High working efficiency, simple production method, no electric welding, no damage to the galvanized layer, no fast mouth at the interface, no damage to the cable, and less environmental pollution. After installation, the entire bridge frame has beautiful structure, strong integrity and convenient installation.

In specific implementation, the present invention provides a technical solution for solving the above-mentioned technical problems, and provides a kind of ladder-type horizontal side bending 45 degrees down-bending cable bridge, which is characterized in that: the whole bridge is adopted according to the actual size and size of the site. Angle, cutting and manufacturing a bridge frame comprising a horizontal side bend and a 45-degree down bend, and the two sides of the 45-degree down bend are integrated with the bend through bridge;

Calculate the bending point of the inner and outer bends of the horizontal side bend and the size and angle that need to be cut according to the actual size on site, and leave the lapping plate required for the side lap after bending on the inner bend side. The connecting plate is integrated with the side rail, and the connecting plate is an extension of the side rail. When cutting the outer side, only at the bending point, cut off a regular triangle on the upper and bottom hems, and on the inner side from top to bottom, use a cutting blade to open a 0.5mm shallow groove, so that when folding, much easier.

Calculated according to the actual size of the site, at the starting point of the 45-degree lower bend, the upper edge of the side panel does not need to be cut off. The connecting plate is integrated with the side rail, and the connecting plate is an extension of the side rail.

The sides between the inner sides of the above-mentioned horizontal side bends are connected by riveting, and the overlapping parts of the reserved overlapping plates and side sides are drilled and connected with special round-head bolts installed on the bridge. The outer curved side is naturally curved. And, no breakpoints.

The above-mentioned 45-degree downward bend is connected by riveting at the bending point, and the overlapped part of the reserved lap plate and the side panel is connected by special round-head bolts installed on the bridge for drilling holes. The side-curved upper edge is naturally curved. And, no breakpoints.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (10)

1. curved logical production method under a kind of 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending characterized by comprising

The horizontal lateral bending that whole gantry is divided into pre-set dimension and angle is led to curved logical section under section and 45 degree to make, described 45 degree Under curved logical section be located at the wherein one end of the gantry, wherein

The horizontal lateral bending leads to that section is horizontally disposed, and it includes first segment, second segment and third section that the horizontal lateral bending, which leads to section, The first segment is located at the other end of the gantry opposite with curved logical section under described 45 degree；The second segment and the first segment Connection, the second segment bend preset angle along the setting direction of the first segment；One end of the third section and described the Two sections of connections, the third section bend preset angle, the first segment and the third along the setting direction of the second segment Section is arranged in parallel；

Curved logical section is connect with the other end of the third section under described 45 degree, and curved logical section is along the third section under described 45 degree Setting direction setting, and 45 degree are bent downward in the horizontal direction.

2. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 1, special Sign is, after the interior curved side that the horizontal lateral bending leads to the inflection point of section is cut, one lapping plate of setting is helped in side wherein.

3. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 2, special Sign is that the lapping plate is integral with the lateral wall, and the lapping plate is the extended segment of the lateral wall.

4. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 3, special Sign is that the horizontal lateral bending after cutting leads to the lateral wall of the interior curved side of the inflection point of section and the lapping plate is connected by rivet clasp It connects.

5. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 4, special Sign is that the lateral wall and lapping plate of the interior curved side of the inflection point of the logical section of the horizontal lateral bending after cutting are arranged on opposite position There is a through-hole, the through-hole and wears bolt.

6. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 1, special Sign is, opens up the groove of a positive triangle at the excurvation side of the inflection point of the logical section of the horizontal lateral bending, and help open up on the outside One groove, in order to the bending of outer lateral wall.

7. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 1, special Sign is that the inflection point of curved logical section is cut into a connecting plate, the side plate company of the connecting plate and the third section under described 45 degree It connects.

8. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 7, special Sign is that the third section is connect with the connecting plate by rivet clasp.

9. curved logical production method under 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 8, special Sign is, is provided with unthreaded hole on the third section and the connecting plate relative position.

10. -9 curved logical production under described in any item 45 degree of ladder type hot galvanizing cable bridge horizontal lateral bending according to claim 1 Method, which is characterized in that the inflection point under described 45 degree between curved logical section and the third section offers 45 degree of grooves, in order to Curved logical section is bent downward under described 45 degree.