CN102563308B - Underframe connecting member - Google Patents

Abstract

The invention relates to the technical field of underframe of frame structure of large-scale equipment, in particular to an underframe connecting member. It is the connecting piece between the chassis bracing piece, and every connecting element is tailor the bending by the monoblock steel sheet and is formed, and chassis connecting element includes fixed subassembly and coupling assembling, and fixed subassembly and coupling assembling structure as an organic whole are equipped with the screw hole on fixed subassembly and coupling assembling, and fixed subassembly and coupling assembling are crooked to become certain bending angle. The connecting component of the structure adopts the steel plate to directly cut, adopts a die-pressing bending mode, is higher in production efficiency, can save material waste during cutting, does not adopt welding for the connecting component, has no welding spot on the surface and inside, and is smoother and more attractive in surface because the connecting component is provided with the screw holes, and the connecting component can be connected with the supporting rod of the underframe through the bolts.

Description

A chassis connecting member

technical field

The invention relates to the technical field of the chassis of the frame structure of large equipment, and specifically refers to a chassis connecting member.

Background technique

At present, in large-scale mechanical equipment, the bottom support frame mostly adopts a frame structure. The support frame of the frame structure generally includes vertical support rods, horizontal support rods and oblique reinforcement support rods. At present, these support rods are mostly connected by welding. For a large mechanical equipment, if the base frame is welded before leaving the factory , the base frame is too large, which is not convenient for transportation; if it is welded and installed at the place of use, due to the different levels of welding of each technician, when there is a false weld or insufficient welding strength during the welding process, it will directly affect the use of the product, and use The surface of the welded bottom frame is not smooth enough, it is easy to be scratched and other accidents, and its exterior is not beautiful enough, especially for some mechanical products with better overall external requirements, the current bottom frame is difficult to meet customer requirements.

Contents of the invention

The present invention aims at the disadvantages of the underframe of the existing mechanical equipment, and provides an underframe connecting member that is easy to install and more beautiful and firm.

The technical solution adopted by the present invention to solve the technical problem is: a bottom frame connecting member, which is a connecting piece between the supporting rods of the bottom frame, each connecting member is cut and bent from a whole piece of steel plate, and the bottom frame connecting member It includes a fixing component and a connecting component. The fixing component and the connecting component are integrated. Screw holes are provided on the fixing component and the connecting component. The fixing component and the connecting component are bent into a certain bending angle.

The connecting member includes upper frame long side support connectors, upper frame short side support connectors, upper frame corner connectors, lower frame intermediate connectors, lower frame side connectors, wherein the upper frame long side support connectors and the upper frame short sides The supporting connector also includes a supporting component, and the supporting component, the fixing component and the connecting component are integrated.

The fixed component and the connecting component of the long side support connector of the upper shelf are bent at right angles, and the support component and the fixed component are bent at right angles. Glyph, the upper end of the main supporting component is bent with a right-angled installation surface, and the connecting component is composed of a rectangle and a trapezoid.

The fixed component and the connecting component of the short-side support connector of the upper shelf are bent at right angles, and the support component and the fixed component are bent at right angles. Glyph, the upper end of the main supporting component is bent with a right-angled installation surface, and the connecting component is composed of a rectangle.

The connecting component of the upper frame corner connector is bent into two mutually perpendicular connecting surfaces, and these two connecting surfaces are perpendicular to the fixing component at the same time, and the fixing component is a plane, which is inside the connecting component.

The lower frame side connector has five stepped connecting surfaces, among which four rectangular connecting surfaces constitute the fixing assembly, and one trapezoidal connecting surface constitutes the connecting assembly.

The fixing component of the intermediate connector of the lower shelf is in the shape of a "匚", and the end of the fixing component is bent outward at a right angle to form two connecting components, which are trapezoidal.

The beneficial effect of the present invention is that the connecting member of this structure is directly cut by steel plate, and is made into upper frame support connector, upper frame corner connector, lower frame intermediate connector, lower frame by adopting die bending method. Side connectors, because the connecting member is provided with screw holes, the connecting member and the support rod of the chassis can be connected by bolts, and the entire connecting member can be made into a connecting member only by cutting and bending, and the production efficiency is high , and can save material waste during cutting, and the connecting components do not use welding, there are no solder joints on the surface and inside, and the surface is smoother and more beautiful.

Description of drawings

Fig. 1 is a perspective view of the underframe of the present invention as a whole;

Fig. 2 is a perspective view of the upper frame support connector of the present invention

Figure 3 is an expanded view of the upper frame support connector of the present invention

Fig. 4 is a perspective view of the upper frame short side support connector of the present invention

Fig. 5 is an expanded view of the short-side supporting connector of the upper frame of the present invention

Fig. 6 is a perspective view of the upper frame corner connector of the present invention

Figure 7 is an expanded view of the upper frame support connector of the present invention

Fig. 8 is a perspective view of the lower frame side connector of the present invention

Fig. 9 is an expanded view of the lower frame side connector of the present invention

Figure 10 is a perspective view of the lower frame intermediate connector of the present invention

Fig. 11 is an expanded view of the lower frame intermediate connector of the present invention

Fig. 12 is a perspective view of a corner vertical support rod of the present invention

Figure 13 is a perspective view of the middle vertical support rod of the present invention

Fig. 14 is a perspective view of the upper frame transverse support rod of the present invention

Fig. 15 is a perspective view of the lower frame transverse support rod of the present invention

Figure 16 is a perspective view of the oblique support rod of the present invention

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

The bottom frame connection member disclosed by the present invention, as shown in Figures 1-16, is a connector between the support rods of the bottom frame 10, and the support rods of the bottom frame 10 include corner vertical support rods 21, middle vertical support Rod 22, upper frame horizontal support rod 23, lower frame horizontal support rod 24 and oblique support rod 25, each bottom frame connecting member is cut and bent from a whole piece of steel plate, and the bottom frame connecting member includes a fixing assembly 11 and a connecting assembly 12 , the fixing component 11 and the connecting component 12 are integrally structured, screw holes are provided on the fixing component 11 and the connecting component 12, and the fixing component 11 and the connecting component 12 are bent into a certain bending angle. The bottom frame connecting member connects the corner vertical support rods 21 , the middle vertical support rods 22 , the upper frame horizontal support rods 23 , the lower frame horizontal support rods 24 and the oblique support rods 25 to form the bottom frame 10 .

As shown in Fig. 1 and Fig. 2, the bottom frame connecting member includes the upper frame long side support connector 1, the upper frame short side support connector 2, the upper frame corner connector 3, the lower frame intermediate connector 4, the lower frame edge The side connectors 5, wherein the upper frame long side support connector 1 and the upper frame short side support connector 2 also include a support assembly 13, and the support assembly 13, the fixing assembly 11 and the connection assembly 12 are integrally structured.

As shown in Fig. 1, Fig. 2 and Fig. 3, the fixed component 11 and the connecting component 12 of the upper frame long side support connector 1 are bent at right angles, and the supporting component 13 and the fixing component 11 are bent at right angles, and the supporting component 13 includes main The support assembly 131 and the auxiliary support assembly 132, the main support assembly 131 and the auxiliary support assembly 132 are in the shape of "I", and a right-angled installation surface 133 is bent at the upper end of the main support assembly 131, wherein the connecting assembly 12 is composed of a rectangle and a trapezoid. The upper frame long side support connector 1 is bent from the steel plate blank in Figure 3, wherein the trapezoid at the lower end of Figure 3 and the rectangle above are bent into a connection assembly 12, and the rectangle above the connection assembly 12 is bent into a fixed assembly 11, and the fixed assembly 11 The upper part is bent into a support assembly 13, wherein the fixing part 11 of the upper frame support connector 1 is screwed to the upper frame horizontal support bar 23, the connecting assembly 12 is screwed to the oblique support bar 25, and the support assembly 13 is screwed to the upper frame horizontal support bar 23 at the same time.

As shown in Fig. 1, Fig. 4 and Fig. 5, the fixed component 11 and the connecting component 12 of the short-side support connector 2 of the upper frame are bent at right angles, and the supporting component 13 and the fixing component 11 are bent at right angles, and the supporting component 13 includes main The support assembly 131 and the auxiliary support assembly 132, the main support assembly 131 and the auxiliary support assembly 132 are "I" shaped, and a right-angled installation surface 133 is bent at the upper end of the main support assembly 131, wherein the connecting assembly 12 is rectangular. Wherein the lower rectangle in Fig. 5 is bent into a connection assembly 12, the connection assembly 12 is connected to the upper frame transverse support bar 23, the fixing part 11 is screwed to the upper frame transverse support bar 23, and the support assembly 13 is screwed to the upper frame transverse support bar 23 at the same time. The short-side supporting connector 2 of the upper frame is formed by bending the steel plate blank in FIG. 5 .

As shown in Fig. 1, Fig. 6 and Fig. 7, the connecting assembly 12 of the upper frame corner connector 3 is bent into two mutually perpendicular connecting surfaces, and these two connecting surfaces are perpendicular to the fixing assembly 11 at the same time, and the fixing assembly 11 is a plane on the inside of the connection assembly 12 . The fixing assembly 11 is screwed on the upper frame transverse support bar 23 of the long side and the short side at the same time, and the connecting assembly 12 is screwed on the vertical support bar 21 of the corner. The upper frame corner connector 3 is formed by bending the steel plate blank in the shape of Fig. 7 .

As shown in Fig. 1, Fig. 8 and Fig. 9, the lower frame side connector 5 has five stepped connecting surfaces, among which four rectangular connecting surfaces constitute the fixing assembly 11, and one trapezoidal connecting surface constitutes the connecting assembly 12. The lower frame side connector 5 is formed by bending the steel plate blank in the shape of Fig. 9 . The fixing assembly 11 of the side connector 5 of the lower frame is screwed to the corner vertical support bar 21 , and the connecting assembly 12 of the side connector 5 of the lower frame is screwed to the oblique support bar 25 and the lateral support bar 24 of the lower frame.

As shown in Fig. 1, Fig. 10 and Fig. 11, the fixing component 11 of the intermediate connector 4 of the lower frame is in the shape of "匚", and the two ends of the fixing component 11 are respectively bent to the outside at right angles to form two connecting components 12, the connecting components 12 Trapezoidal. The lower frame intermediate connector 4 is formed by bending the steel plate blank in the shape of Fig. 11 . The fixing component 11 is screwed to the middle vertical support bar 22 , and the connecting component 12 is screwed to the lower frame horizontal support bar 24 and the oblique support bar 25 .

In a word, the connecting member disclosed in the present invention adopts the whole steel plate to directly cut the billet of the integrated structure, and adopts the die bending method to make it into the long-side support connector 1 of the upper frame, the short-side support connector 2 of the upper frame, and the upper frame Corner connectors 3, lower frame intermediate connectors 4, and lower frame side connectors 5, because the connecting members are provided with screw holes, the connecting members and the support rods of the underframe can be connected by bolts, and the entire connecting member only needs to Cutting and bending can be used to make connecting components, which has high production efficiency and can save materials. The connecting components do not use welding, and there are no solder joints on the surface and inside, and the surface is smooth and beautiful.

The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the inventive concept of the present invention, some modifications and improvements can also be made, and these all belong to the present invention. protection scope of the invention.

Claims (6)

1. a underframe connecting member, it is the link between underframe support bar, every block connector element forms by the steel plate cutting of monoblock is bending, underframe connecting member comprises fixing-assembly and connection part, fixing-assembly and connection part are structure as a whole, fixing-assembly and connection part are provided with screw hole, fixing-assembly and connection part bend to certain bend angle, it is characterized in that: described connector element comprises added long limit support connecting piece, added minor face support connecting piece, added corner connector, undercarriage intermediate connector, undercarriage avris link, wherein added long limit support connecting piece and added minor face support connecting piece also comprise supporting component, supporting component, fixing-assembly and connection part are structure as a whole.

2. underframe connecting member according to claim 1, it is characterized in that, fixing-assembly and the connection part of described added long limit support connecting piece bend to right angle, supporting component and fixing-assembly bend to right angle, supporting component comprises main supporting component and secondary supporting component, main supporting component and secondary supporting component are in " work " font, and at the rectangular attachment face of main supporting component upper-end bent, wherein connection part is by rectangular with trapezoidally to form.

3. underframe connecting member according to claim 1, it is characterized in that, fixing-assembly and the connection part of described added minor face support connecting piece bend to right angle, supporting component and fixing-assembly bend to right angle, supporting component comprises main supporting component and secondary supporting component, main supporting component and secondary supporting component are in " work " font, and at the rectangular attachment face of main supporting component upper-end bent, connection part is made up of rectangular.

4. underframe connecting member according to claim 1, it is characterized in that, the connection part of described added corner connector is bent into two orthogonal junction surfaces, and these two junction surfaces are simultaneously vertical with fixing-assembly, fixing-assembly is a plane, in the inner side of connection part.

5. underframe connecting member according to claim 1, is characterized in that, described undercarriage avris link is provided with 5 stair-stepping junction surfaces, and wherein have the junction surface of four rectangular bodies to form fixing-assembly, a trapezoidal junction surface forms connection part.

6. underframe connecting member according to claim 1, is characterized in that, the fixing-assembly of described undercarriage intermediate connector is in " Contraband " font, and fixing-assembly end laterally right-angle bending becomes two connection parts, and connection part is trapezoidal.