CN202969742U - Box profiled steel sheet for being connected with continuous support - Google Patents
Box profiled steel sheet for being connected with continuous support Download PDFInfo
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- CN202969742U CN202969742U CN 201220709031 CN201220709031U CN202969742U CN 202969742 U CN202969742 U CN 202969742U CN 201220709031 CN201220709031 CN 201220709031 CN 201220709031 U CN201220709031 U CN 201220709031U CN 202969742 U CN202969742 U CN 202969742U
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- steel plate
- box
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- profiled sheet
- elongated slot
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Abstract
The utility model discloses a box profiled steel sheet for being connected with a continuous support. The box profiled steel sheet comprises a hollow bar-type steel sheet body composed of a top plate, a bottom plate (11) and two side plates; at least one elongated slot through hole (12) which is through inside and outside is opened at the position where the bottom plate (11) and the continuous support are connected; a connecting steel sheet (4) larger than the elongated slot through hole (12) is arranged on the upper surface of the bottom plate (11); and a backing plate (5) for being fixed with a truss steel sheet (22) of the continuous support is fixedly connected with the lower surface of the connecting steel sheet (4), the backing plate (5) with the thickness larger than that of the bottom plate (11) is positioned in the at least one elongated slot through hole (12), and the lower surface of the backing plate (5) flushes with the lower surface of the bottom plate (11). By means of the box profiled steel sheet, simple connection of the box profiled steel sheet at the joint of the continuous support can be achieved, the connection is reliable, and the durability is good.
Description
Technical field
The utility model relates to the box-shaped profiled sheet, particularly a kind of box-shaped profiled sheet for being connected with continuous bearing.
Background technology
The box-shaped profiled sheet is steel sheet through colding pressing or the steel of cold rolling moulding, it comprises the box profiled sheet body of hollow bar shaped, be called for short the steel plate body, steel plate body two ends are opening, consisted of by top board, base plate and two side plates, mainly as the cladding of building, development has been applied to the main load-supporting part in combining structure so far in early days.As roofing element the time, backplanes support is on bearing, and top board is used for bearing metal roof panel and heat-preservation cotton, and a plurality of steel plate bodies are connected to form the steel roof system side by side by otic placode.Existing box-shaped profiled sheet 1 as shown in Fig. 1 ~ 3 and the johning knot composition of continuous support node, truss 2 has two upper chords 21, each upper chord 21 all is furnished with truss steel plate 22, is weldingly fixed on upper chord 21 through round steel 3, and truss steel plate 22 is used for being connected and fixed with box-shaped profiled sheet 1.The common situation that supports same box-shaped profiled sheet 1 of two upper chords 21 of truss 2 is continuous bearing described in the utility model.At present, as shown in Figure 3, the connected mode of bearing and box-shaped profiled sheet 1 is direct with the outer bottom A place position of truss steel plate 22 Site Weldings in box-shaped profiled sheet 1 always continuously, and this connected mode has following defective:
(1) because box-shaped profiled sheet 1 is thinner, thickness is 0.9mm ~ 2mm, general on-the-spot mode with welding rod hand welding, carbon-dioxide arc welding is welded on truss steel plate 22 on box-shaped profiled sheet 1, when not reaching the high request of welding, very easily bird caging distortion or by burn-through of box-shaped profiled sheet 1, and in addition, do not have other better Site Welding mode can avoid the problem of torsional deformation, burn-through in existing solder technology; If the thread connecting modes such as field by using screws bolts are fixed on the box-shaped profiled sheet on truss steel plate 22, the problem that installation effectiveness is low, screws bolts is easily become flexible is arranged again.It is very difficult that these problems finally all cause the box-shaped profiled sheet 1 at continuous support node place and bearing continuously to have good installation to be connected.
(2) because box-shaped profiled sheet 1 is thinner; discomfort is fit to do processing of rust removing, namely is not suitable for making its coating protection layer be easier to come off with sand paper or grinder buffing or sandblast its surface; therefore the surface anticorrosive measure of box-shaped profiled sheet must be take zinc-plated coating as main, coating is auxiliary.Generally, box-shaped profiled sheet surface all can be coated with 200 ~ 350g/mm
2Zinc-plated or zinc-aluminium-alloy layer, corroded to prevent box-shaped profiled sheet 1 surface, extend its application life.But, with welding manner, truss steel plate 22 is welded on box-shaped profiled sheet 1 and will certainly destroys coating, repair with coating and be difficult to satisfy etch-proof requirement, must carry out coating repairs, otherwise reliability and the durability variation that will cause box-shaped profiled sheet 1, if repair but carry out coating, increased again time and the operation of connection, efficient is lower.
The utility model content
The purpose of this utility model is to provide a kind of box-shaped profiled sheet for being connected with continuous bearing, realizes the box-shaped profiled sheet at the simple connection at continuous support node place, and connects reliable, good endurance.
The purpose of this utility model is achieved through the following technical solutions:
the box-shaped profiled sheet that a kind of and continuous bearing is connected, the box-shaped profiled sheet body that comprises the hollow bar shaped, referred to as the steel plate body, this steel plate body is by top board, base plate and two side plates consist of, it is characterized in that: have the elongated slot through hole that is interlinked to the outside at least one on the connecting portion of described base plate and continuous bearing, this plate upper surface also is provided with the junction steel plate greater than the elongated slot through hole, be fixedly connected with on the soffit of described junction steel plate and be useful on the backing plate fixing with the truss steel plate of continuous bearing, this backing plate is positioned at elongated slot through hole and thickness greater than the thickness of base plate, the soffit of this backing plate is concordant with the soffit of base plate, be beneficial to firmly be connected with the truss steel plate.The utility model arranges one by the position that is connected with continuous bearing at described base plate backing plate is installed; so that select thickness to be enough to satisfy not by the installation backing plate of burn-through; realize that by this installation backing plate and truss Plate Welding the box-shaped profiled sheet is connected with the installation of continuous bearing; thereby when avoiding the box-shaped profiled sheet to do welding in the erecting bed, the steel plate body is occurred by the burn-through problem; simultaneously; because the thickness that backing plate is installed increases; be conducive to do processing of rust removing on its surface, damage therefore can solve welding by the coating protection layer Anticorrosion Problems that backing plate coating is installed.
On the basis of the above, the utility model can be done following improvement:
Upwards arch upward and be a tongue in elongated slot through hole on the corresponding base plate of junction steel plate described in the utility model, so that adaptation thickness is placed in one greater than the backing plate of base plate, the shape size of described tongue is suitable with the backing plate of being fixed, so that the backing plate that is fixed on junction steel plate can keep concordant with the soffit of base plate, in order to form rock-steady structure with the truss steel plate, power transmission is good, and then strengthens connective stability.
The shape size of elongated slot through hole described in the utility model and the shape size of backing plate are suitable, the width of described backing plate be less than or equal to described junction steel plate width 1/3, in order to make junction steel plate and base plate that enough connection areas be arranged, guarantee backing plate by junction steel plate and base plate be connected firmly and base plate can not reduce strength and stiffness because having held the elongated slot through hole.The length direction of elongated slot through hole described in the utility model is along vertical setting of steel plate body, to reduce the breach size of steel plate body cross-section, be conducive to keep the flexural strength of steel plate body, the longitudinal length of this elongated slot through hole is greater than the width of described truss steel plate, so that between backing plate and truss steel plate, enough welding positions are arranged.
Junction steel plate described in the utility model is fixed on base plate through resistance spot welding, has welding quality and welding efficiency preferably.
Further, the utility model also can be done following improvement:
The utility model also comprises the screw that is connected with jacking of floor for junction steel plate, and described screw is threaded with base plate, junction steel plate, by the connection of screw, makes junction steel plate more firm with being connected of base plate.
The embodiment that the utility model is recommended be the thickness of described junction steel plate more than or equal to 3mm, be beneficial to junction steel plate and base plate is realized resistance spot welding, prevent burn-through; The thickness of described backing plate is beneficial to backing plate and the chord member welding of bearing continuously more than or equal to 3mm, prevents burn-through.
Wherein, elongated slot through hole described in the utility model can the optional position at base plate arranges with being connected needs of truss steel plate by manufacturer's basis, or the elongated slot through hole of any amount is set.
Compared with prior art, the utility model technology has following beneficial effect:
(1) position that is connected with continuous bearing by the base plate at the box-shaped profiled sheet of the utility model arranges an installation backing plate thicker than base plate, so that select thickness to be enough to satisfy not by the installation backing plate of burn-through, realize that by this installation backing plate and truss Plate Welding the box-shaped profiled sheet is connected with the installation of continuous bearing, thereby effectively solved the box-shaped profiled sheet and done when welding steel plate body in the erecting bed easily by the burn-through problem, and indirect power transmission thicker due to the thickness that backing plate and junction steel plate are installed simultaneously, also solved the problem of the steel plate body bird caging distortion that Site Welding causes.
(2) the utility model is connected to the installation backing plate on base plate by the thick junction steel plate of Thickness Ratio base plate, not only be conducive to make the box-shaped profiled sheet can not reduce intensity because having the elongated slot through hole, but also be conducive to strengthen box-shaped profiled sheet and the bonding strength of bearing continuously, make install connect more reliable.
(3) the utility model is simple in structure, and good manufacturability is arranged, and not only easily guarantees the quality that connects is installed, but also is conducive to improve the efficient of Site Welding.Because the utility model all can be completed in manufacturing works in the welding of steel plate body cutting elongated groove through hole and junction steel plate and installation backing plate and base plate, junction steel plate as described can adopt the mode of resistance spot welding to be fixed on the steel plate body in manufacturing works, not only welding quality is good, and welding efficiency is also very high; And when setting up this box-shaped of installation profiled sheet, due to the bottom width of backing plate width much smaller than the steel plate body being installed, the length that is installed to the Site Welding of continuous bearing at the box-shaped profiled sheet has just shortened greatly, and the position of welding is in the bottom surface of box-shaped profiled sheet, rather than in the side of box-shaped profiled sheet, therefore the operating space of welding has increased, and is conducive to the operation of Site Welding and shortens man-hour of welding, welding position such as Fig. 7, B place shown in Figure 9;
(4) the utility model has solved the box-shaped profiled sheet overlay coating damage reparation that causes because of Site Welding in the prior art effectively wastes time and energy, and affects the problem of installation effectiveness.Because because the thickness that backing plate is installed increases, can do processing of rust removing to its surface in advance in factory, after the welding, only need to apply in the welding position coating and can solve Anticorrosion Problems at the scene, very simple and efficient.
In addition, the coating to relevant surfaces that causes when junction steel plate and base plate and the welding of installation backing plate damages, can be in factory salvage plating, more convenient, also need not at the erecting bed salvage plating, therefore, the utility model can improve the field erected efficient of box-shaped profiled sheet, is easy to promote the use of.
Description of drawings
Fig. 1 is the scheme of installation of existing box-shaped profiled sheet with continuous bearing;
Fig. 2 is the sectional view that is connected of the truss steel plate of existing box-shaped profiled sheet and continuous bearing;
Fig. 3 is the scheme of installation of existing a plurality of box-shaped profiled sheets with continuous bearing;
Fig. 4 is the schematic diagram that the utility model box-shaped profiled sheet is offered the elongated slot through hole;
Fig. 5 is that the utility model box-shaped profiled sheet is connected front schematic diagram with the truss steel plate installation of continuous bearing;
To be the utility model box-shaped profiled sheet install schematic diagram after being connected with the truss steel plate of bearing continuously to Fig. 6;
Fig. 7 is the lateral view of Fig. 6;
Fig. 8 is the upward view of the utility model junction steel plate;
Fig. 9 is that the utility model box-shaped profiled sheet is arranged on the top view (the steel plate body only illustrates base plate) on the truss steel plate of continuous bearing.
In figure: 1, steel plate body; 11, base plate; 12, elongated slot through hole; 2, truss; 21, upper chord; 22, truss steel plate; 3, round steel; 4, junction steel plate; 41, groove; 42, solder joint; 5, backing plate.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is further set forth.
As shown in Figure 4, a kind of box-shaped profiled sheet for being connected with continuous bearing comprises the box profiled sheet body of hollow bar shaped, is called for short steel plate body 1, and steel plate body 1 two ends are opening, and the steel plate body is made of top board, base plate 11 and two side plates.The span of steel plate body 1 vertical D of the present embodiment is 15m, and wall thickness is 2mm, and length is 368mm, is highly 380mm.
An elongated slot through hole 12 that is interlinked to the outside in having on the connecting portion of base plate 11 and continuous bearing, the length direction of elongated slot through hole 12 is along vertical setting of steel plate body 1, namely longitudinally D arranges, elongated slot through hole 12 is rectangle, vertically D is long is 450mm, wide is 70mm, and vertical D length of this elongated slot through hole 12 is greater than the width W of truss steel plate, and elongated slot through hole 12 centerings are arranged on base plate 11.The position of elongated slot through hole 12 on the vertical D of base plate 11 can be by manufacturer according to arranging on the optional position of base plate 11 with being connected needs of truss steel plate 22 of continuous bearing.
As shown in Fig. 5-7, base plate 11 upper surfaces also are provided with junction steel plate 4, and these junction steel plate 4 integral body can cover on elongated slot through hole 12 fully greater than the elongated slot through hole, and this junction steel plate 4 is fixed on base plate 11 through resistance spot welding.The soffit of junction steel plate 4 be provided with for the fixing backing plate 5 of the truss steel plate 22 of continuous bearing, this backing plate is welded and fixed with junction steel plate 4 and is connected, and be placed in elongated slot through hole 12, the thickness of backing plate 5 is greater than the thickness of base plate, in order to be welded and fixed with truss steel plate 22.The soffit of backing plate 5 is concordant with the soffit of base plate 11, is beneficial to truss steel plate 22 firmly to be connected.Elongated slot through hole 12 places on the corresponding base plate 11 of junction steel plate 4 upwards arch upward and are a tongue 41, backing plate 5 is in being fixedly welded on this tongue 41, this backing plate 5 is suitable with the shape size of tongue 41, the shape size that the shape size of elongated slot through hole 12 and backing plate 5 also are set simultaneously is suitable, the width of backing plate 5 equal described junction steel plate 4 width 1/3, also can be arranged to less than 1/3 of junction steel plate 4 width.
As shown in Figure 9, in the present embodiment, because backing plate 5 and elongated slot through hole 12 are adaptive, therefore vertical D length of backing plate 5 is also greater than the width W of truss steel plate 22, can be at place, gap that the both ends of truss steel plate 22 widths and backing plate 5 form through being welded and fixed, this welding position such as Fig. 7, B place shown in Figure 9 are with shortening weld length when guaranteeing connective stability, reduce solder joint, raise the efficiency.In addition, as shown in Figure 8, the solder joint 42 of resistance spot welding be distributed in except with the fitting face of backing plate 5 junction steel plate 4 soffits.And reinforce on junction steel plate 4 and base plate 11 and be provided with the screw (not shown), screw is threaded with base plate 11, junction steel plate 4, by the connection of screw, can make junction steel plate 4 more firm with being connected of base plate 11.
Embodiment of the present utility model is not limited to this, according to foregoing, ordinary skill knowledge and customary means according to this area, do not breaking away under the above-mentioned fundamental technics thought of the utility model prerequisite, equivalent modifications, replacement or change that the utility model can also be made other various ways all can realize the utility model purpose.
Claims (8)
1. one kind is used for the box-shaped profiled sheet be connected with continuous bearing, the steel plate body (1) that comprises the hollow bar shaped, this steel plate body (1) is by top board, base plate (11) and two side plates consist of, it is characterized in that: have the elongated slot through hole (12) that is interlinked to the outside at least one on the connecting portion of described base plate (11) and continuous bearing, this base plate (11) upper surface also is provided with greater than the junction steel plate (4) on elongated slot through hole (12), be fixedly connected with at the soffit of described junction steel plate (4) and be useful on the backing plate (5) fixing with the truss steel plate (22) of continuous bearing, this backing plate (5) is positioned at elongated slot through hole (12) and thickness greater than the thickness of base plate (11), the soffit of this backing plate (5) is concordant with the soffit of base plate (11).
2. the box-shaped profiled sheet for being connected with continuous bearing according to claim 1, it is characterized in that: on the corresponding base plate of described junction steel plate (4) (11) elongated slot through hole (12) locate upwards to arch upward and be a tongue (41), the shape size of described tongue (41) is suitable with the backing plate (5) of being fixed.
3. the box-shaped profiled sheet for being connected with continuous bearing according to claim 2, it is characterized in that: the shape size of the shape size of described elongated slot through hole (12) and backing plate (5) is suitable, the width of described backing plate (5) be less than or equal to described junction steel plate (4) width 1/3.
4. the box-shaped profiled sheet for being connected with continuous bearing according to claim 1, it is characterized in that: described elongated slot through hole (12) length direction arranges along vertical (D) of steel plate body (1), and vertical (D) length of this elongated slot through hole (12) is greater than the width (W) of described truss steel plate.
5. the described box-shaped profiled sheet for being connected with continuous bearing of according to claim 1-4 any one, it is characterized in that: described junction steel plate (4) is fixed on base plate (11) through resistance spot welding.
6. the described box-shaped profiled sheet for being connected with continuous bearing of according to claim 1-4 any one, it is characterized in that: also comprise the screw that reinforces the connection for junction steel plate (4) and base plate (11), described screw is threaded with base plate (11), junction steel plate (4).
7. the described box-shaped profiled sheet for being connected with continuous bearing of according to claim 1-4 any one, it is characterized in that: the thickness of described junction steel plate (4) is more than or equal to 3mm.
8. the described box-shaped profiled sheet for being connected with continuous bearing of according to claim 1-4 any one, it is characterized in that: the thickness of described backing plate (5) is more than or equal to 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709031 CN202969742U (en) | 2012-12-20 | 2012-12-20 | Box profiled steel sheet for being connected with continuous support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709031 CN202969742U (en) | 2012-12-20 | 2012-12-20 | Box profiled steel sheet for being connected with continuous support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202969742U true CN202969742U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709031 Withdrawn - After Issue CN202969742U (en) | 2012-12-20 | 2012-12-20 | Box profiled steel sheet for being connected with continuous support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202969742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046694A (en) * | 2012-12-20 | 2013-04-17 | 广东省建筑设计研究院 | Box type profiled steel plate connected with continuous support |
-
2012
- 2012-12-20 CN CN 201220709031 patent/CN202969742U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046694A (en) * | 2012-12-20 | 2013-04-17 | 广东省建筑设计研究院 | Box type profiled steel plate connected with continuous support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |