CN205611128U - A cold -formed steel structure that is used for rack top frame or underframe - Google Patents

Abstract

The utility model relates to a cold -formed steel structure that is used for rack top frame or underframe, it goes up the roof to reach including lower plate, first riser, second riser, third riser, diaphragm, going up the roof and including a pair of first flat bent plate, the flat bent plate of a pair of second and an opposition bent plate, each first flat bent plate is connected with the flat bent plate of second through founding the bent plate, respectively founds the bent plate and is connected with the flat bent plate of each second and forms the open slot that caves in to the shaped steel die cavity, puts down concatenation department of bent plate in a pair of second and passes through full weld formation to the bellied circular arc welding bead of open slot groove face. The utility model discloses a type that cuts seals the tank bottom at the open slot, forms the circular arc welding bead through full weld technology on open slot tank bottom face, and this welding bead is hidden in the open slot tank bottom, makes overall framework succinct firm, and the circular arc welding bead is glued with the bottom plate of bottom plate medial surface and is said that springiness contaction forms maze shape seal structure, makes the rack finished product IP grade after the assembly obtain effectively guaranteeing and improving.

Description

A kind of cold-rolled forming section structure for rack top frame or underframe

Technical field

This utility model relates to electric cabinet frame fields, particularly relates to a kind of for rack top frame Or the cold-rolled forming section structure of underframe.

Background technology

At present, it is made up of top frame, underframe and column three part before existing electric cabinet framework assembly welding, Structure after assembly welding of above-mentioned top frame and underframe, size are the most identical, composition top frame, underframe each The cross section of root type steel is identical, as it is shown in figure 1, the shaped steel of existing cold-rolled forming section includes the first riser 108, the second riser the 109, the 3rd riser 110, transverse slat 111, upper plate 113 and lower shoe 112, above-mentioned first riser the 108, second riser 109 and transverse slat 111 connect formation bending plate, Bending plate, the 3rd riser are connected formation cold-rolled forming section respectively with upper plate 113 and lower shoe 112, Its upper plate 113 is by the first crimp 101 and the second crimp 102 is coplanar forms, at the first crimp 101 and second the coplanar evenly spaced of crimp 102 composition electric welding 103 be set close, as Shown in Fig. 2, the top frame of existing cold-rolled forming section composition and coaming plate 201, top board 202, base plate 203 During welding, top board medial surface 2022 and solder joint 103 at top board 202 are point cantact, base plate 203 Base plate medial surface 2032 be also a little with the solder joint 103 in the underframe of another cold-rolled forming section composition Contact, above-mentioned each top board 202, coaming plate 201, base plate 203 and the top frame of cold-rolled forming section composition, Underframe forms closing by top board glue road 2021, coaming plate glue road 2011, bottom plate glue road 2031 Rack inner chamber, in the case of rack is fully loaded with electrical equipment, will bear pressure at solder joint, time Under the effect of effect, underframe, by the random deformation of joint near certain solder joint, cracking, adds Client field of employment uncertain, leads to quality accident, it is impossible to meet the demand of client the most at last. It addition, the longitudinal direction that shaped steel cuts type uses full weld or solder joint to close, full weld is with high costs, and welding should The deformation that power causes is difficult to control to；After solder joint, the reason because of intensity can not be polished again.Cause factory Production department is in the condition of a kind of two difficulties.

Utility model content

The applicant, for above-mentioned existing issue, has carried out Improvement, it is provided that a kind of for machine The cold-rolled forming section structure of cabinet top frame or underframe, this utility model adds 4 compared to existing structure Road crimp, its rectangular recess being to define indent on the face of top board or contacts baseplate, this square Connected in star contains the fluid sealant road on top board or base plate, and the type that cuts of shaped steel is enclosed in above-mentioned groove Bottom, it forms protruding circular arc welding bead by full weld technique, and improve after framework welding resistance is whole Body intensity and rigidity, meet the demand of client.

The technical scheme that this utility model is used is as follows:

A kind of cold-rolled forming section structure for rack top frame or underframe, including lower shoe, first stand Plate, the second riser, the 3rd riser, transverse slat and upper plate, described first riser, transverse slat and Two risers are linked in sequence formation bending plate, and described upper plate, bending plate, lower shoe and the 3rd are vertical Plate connects formation shaped steel, and described upper plate includes a pair first flat bent plates, a pair second flat bent plates And an opposition bent plate, each piece of the first flat bent plate is connected by the flat bent plate of vertical bent plate and second, each stands Bent plate is connected the open slot formed to shaped steel die cavity depression with each second flat bent plate, in a pair second The stitching portion of flat bent plate forms the circular arc welding bead to described open slot groove face projection by full weld.

Its further technical scheme is:

Each piece of the first flat bent plate co-planar arrangement, each piece of the second flat bent plate also co-planar arrangement, each piece One flat bent plate and the second flat bent plate are arranged in parallel each other, and each piece of vertical bent plate is arranged in parallel the most each other；

When assembling, the surface of each piece of the first flat bent plate abuts with the base plate medial surface of base plate, described Circular arc welding bead and the bottom plate glue road Elastic Contact of setting on base plate medial surface in base plate；

Described open slot is long rectangular channel.

The beneficial effects of the utility model are as follows:

This utility model simple in construction, easy to use, it adds compared to existing formed steel construction Second flat bent plate and vertical bent plate, make to be formed on shaped steel upper plate the open slot to die cavity sunken inside, This open slot is for accommodating the Dian Jiaojiao road on top board or base plate, and of the present utility model section of type is closed At the bottom land of open slot, in open slot groove bottom, form circular arc welding bead by full weld technique, should Welding bead is hidden in open slot bottom land, makes general frame succinctly firm, and this utility model avoids existing To top board after having structural steel frame assembly welding, base plate application inner surface punctures destruction and base plate is anti- The bottom plate glue road elastic connecting of the active force destruction to underframe shaped steel, circular arc welding bead and base plate medial surface Touch and form labyrinth seal structure, make the rack finished product IP grade after general assembly be effectively ensured With raising.

Accompanying drawing explanation

Fig. 1 is the perspective view of the cold-rolled forming section being currently used for rack top frame or underframe.

Fig. 2 is existing cold-rolled forming section and base plate, top board and the schematic cross-section of coaming plate assembling.

Fig. 3 is perspective view of the present utility model.

Fig. 4 is this utility model and base plate, top board and the schematic cross-section of coaming plate assembling.

Wherein: 1, shaped steel body；101, the first crimp；102, the second crimp；103, weldering Point；104, circular arc welding bead；105, the first flat bent plate；106, the second flat bent plate；107, vertical Bent plate；108, the first riser；109, the second riser；110, the 3rd riser；111, transverse slat； 112, lower shoe；113, upper plate；201, coaming plate；2011, coaming plate Jiao Dao；202, top Plate；2021, top board Jiao Dao；2022, top board medial surface；203, base plate；2031, base plate Jiao Dao；2032, base plate medial surface.

Detailed description of the invention

Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described.

As it is shown on figure 3, a kind of cold-rolled forming section structure for rack top frame or underframe includes going to the bottom Plate the 112, first riser the 108, second riser the 109, the 3rd riser 110, transverse slat 111 and on Top board 113, the first riser 108, transverse slat 111 and the second riser 109 are linked in sequence and form folding Bent plate, upper plate 113, bending plate, lower shoe 112 and the 3rd riser 110 connect formation type Steel, upper plate 113 includes a pair first flat bent plates 105, a pair second flat bent plates 106 and Opposition bent plate 107, each piece of the first flat bent plate 105 is by vertical bent plate 107 and the second flat bent plate 106 Connecting, each vertical bent plate 107 is connected formation to shaped steel die cavity depression with each second flat bent plate 106 Open slot, open slot is long rectangular channel, in the stitching portion of a pair second flat bent plates 106 by full Weldering forms the circular arc welding bead 104 to open slot groove face projection.As it is shown on figure 3, above-mentioned each piece One flat bent plate 105 co-planar arrangement, each piece of the second flat bent plate 106 also co-planar arrangement, each piece first Flat bent plate 105 is arranged in parallel each other with the second flat bent plate 106, and each piece of vertical bent plate 107 is the most each other It is arranged in parallel.

Concrete assembling process of the present utility model is as follows:

As shown in Figure 4, during assembling, coaming plate Jiao Dao is set in the inner side of coaming plate 201 2011, coaming plate glue road 2011 is formed with the outer surface of the second riser 109 in this utility model Face contacts, the most as shown in Figure 4, and the surface of each piece of the first flat bent plate 105 in this utility model Abut formation face with the base plate medial surface 2032 of base plate 203 to contact, due to this utility model by Vertical bent plate 107 is connected the open slot formed to shaped steel die cavity depression with each second flat bent plate 106, The Dian Jiaojiao road that is arranged as of this open slot provides suitable space, as shown in Figure 4, bottom plate glue Road 2031 is positioned at fluting groove, owing to Jiao Dao is the porous resilient flexible polyurethane of foaming, And also by full weld technique in open slot groove, in the stitching portion of two piece of second flat bent plate 106 Arranging circular arc welding bead 104, therefore there is elasticity with circular arc welding bead 104 in this bottom plate glue road 2031 Contact, there is elastic deformation in bottom plate glue road 2031 after contact, as shown in Figure 4, makes base plate Glue road 2031 flows to both sides with the arc surface of circular arc welding bead 104 for boundary, the most each piece In first flat bent plate 105 contacts the groove formed with base plate medial surface 2032, corner is filled, from And define the labyrinth structure of multiple tracks protection.

Above description is to explanation of the present utility model, is not the restriction to utility model, this reality Claim is seen, without prejudice to basic structure of the present utility model by novel limited range In the case of, this utility model can make any type of amendment.

Claims (4)

1. for rack top frame or a cold-rolled forming section structure for underframe, including lower shoe (112), the One riser (108), the second riser (109), the 3rd riser (110), transverse slat (111) and upper plate (113), described first riser (108), transverse slat (111) and the second riser (109) are linked in sequence Form bending plate, described upper plate (113), bending plate, lower shoe (112) and the 3rd riser (110) Connect and form shaped steel, it is characterised in that: described upper plate (113) include a pair first flat bent plates (105), A pair second flat bent plates (106) and opposition bent plate (107), each piece of the first flat bent plate (105) leads to Crossing vertical bent plate (107) to be connected with the second flat bent plate (106), each vertical bent plate (107) is second flat with each Bent plate (106) connects the open slot formed to shaped steel die cavity depression, in a pair second flat bent plates (106) Stitching portion formed to the protruding circular arc welding bead (104) of described open slot groove face by full weld.

A kind of cold-rolled forming section structure for rack top frame or underframe, its Being characterised by: each piece of the first flat bent plate (105) co-planar arrangement, each piece of the second flat bent plate (106) is also Co-planar arrangement, each piece of the first flat bent plate (105) is arranged in parallel each other with the second flat bent plate (106), Each piece of vertical bent plate (107) is arranged in parallel the most each other.

A kind of cold-rolled forming section structure for rack top frame or underframe, its It is characterised by: the base plate of surface and the base plate (203) of each piece of the first flat bent plate (105) when assembling Medial surface (2032) abuts, described circular arc welding bead (104) and base plate medial surface in base plate (203) (2032) upper bottom plate glue road (2031) Elastic Contact arranged.

A kind of cold-rolled forming section structure for rack top frame or underframe, its It is characterised by: described open slot is long rectangular channel.