CN218489747U - Concrete pump truck sub vehicle frame sloping beam mounting structure - Google Patents

Abstract

The utility model discloses a concrete pump truck sub vehicle frame sloping mounting structure, including sloping and rotating base, rotating base is last to be equipped with mounting hole and the pipe case that is used for installing the sloping, pipe case communicates with each other with the mounting hole, and the one end of sloping meets with the sub vehicle frame, and the other end lateral wall of sloping meets with the pore wall of mounting hole, the inner tank wall of pipe case meets with the lateral wall of sloping; the side walls of the pipe box connected with the side walls of the inclined beams are arranged in a staggered mode along the length direction of the inclined beams. The utility model provides the high stability of sloping installation has realized the transition of rigidity flexibility, has reduced the stress sudden change, has improved the structural stress.

Description

Concrete pump truck sub vehicle frame sloping beam mounting structure

Technical Field

The utility model belongs to the technical field of the mobile concrete pump, a mobile concrete pump sub vehicle frame sloping mounting structure is related to.

Background

The concrete pump truck is an engineering machine which utilizes pressure to convey pre-stirred concrete to a certain height and distance along a distribution pipeline, and is widely applied to modern building engineering. The lower vehicle structure is generally composed of two parts: a rotating base and an auxiliary frame. The lower part of the rotary base is connected with the chassis of the auxiliary frame, and the upper part of the rotary base is connected with the distributing rod to play a role in bearing the upper part and the lower part. The auxiliary frame is connected with the pump truck for loading and the lower chassis for bearing and connecting. In the running process of a vehicle, the left and right tire loads are uneven due to uneven road surfaces, so that the auxiliary frame is stressed unevenly on the left and right, and the auxiliary frame tends to twist; in the pumping process of the vehicle, the getting-on operation device can generate complex bending and twisting acting force on the getting-off structure; the complex acting force is transferred up and down through the oblique beam, so the structural reliability of the oblique beam is very important.

The existing auxiliary frame oblique beam structure mainly has two defects, one is that the oblique beam is not directly connected with the rotary base but connected through a spliced box structure, the reliability of the welding seam of the spliced box structure determines the reliability of the oblique beam, the welding space of the whole welding seam around the spliced box structure is limited, the welding process of a structural part cannot be turned, upward welding and vertical welding are more, and the quality of the welding seam is difficult to ensure; and secondly, the end parts of the four flitch plates of the box splicing structure are aligned, so that the rigidity change is large when the section of the box body is transited to the section of the oblique beam, and the stress mutation is easily formed when the structure is stressed, thereby causing cracking and influencing the service life of the structural member.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide a concrete pump truck sub vehicle frame sloping mounting structure, improved the stability of sloping installation, realized the transition of rigidity flexibility, reduced the stress sudden change, improved the structural stress.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

an auxiliary frame oblique beam mounting structure of a concrete pump truck comprises an oblique beam and a rotary base, wherein a mounting hole for mounting the oblique beam and a pipe box are arranged on the rotary base, the pipe box is communicated with the mounting hole, one end of the oblique beam is connected with an auxiliary frame, the side wall of the other end of the oblique beam is connected with the hole wall of the mounting hole, and the inner box wall of the pipe box is connected with the side wall of the oblique beam; the side walls of the pipe box connected with the side walls of the inclined beams are arranged in a staggered mode along the length direction of the inclined beams.

Optionally, the mounting hole is formed in the inclined plate, and the end of the pipe box is connected with the surface of the inclined plate.

Optionally, the cross-sectional area of one end of the tube box adjacent to the mounting hole is larger than that of the other end.

Optionally, the lengths of the two side wall of the tube box are greater than the lengths of the upper and lower wall of the tube box.

Optionally, the length of the upper tank wall of the pipe box is greater than the length of the lower tank wall of the pipe box.

Optionally, the length of the side wall of the pipe box connected with the edge of the inclined plate is greater than the length of the side wall of the pipe box connected with the surface of the inclined plate.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

the utility model provides a concrete pump truck sub vehicle frame sloping beam mounting structure, the mounting hole is convenient for sloping beam and rotary base fixed welding to utilize the welding of pipe case protection mounting hole and sloping beam, improved the stability of sloping beam installation;

the pipe box is in a variable-section box structure, the upper pasting plate, the lower pasting plate, the left pasting plate, the right pasting plate and the left pasting plate are arranged in a staggered mode in a grading mode, rigid transition from the rotary base to the auxiliary frame is slowed down to the maximum extent, impact vibration during reversing can be effectively reduced, sudden stress changes are reduced, and structural stress is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the tube box of FIG. 1;

FIG. 3 is a schematic view of the internal structure of FIG. 2;

fig. 4 shows a cross-sectional view of fig. 2.

In the figure: 1. an oblique beam; 2. an upper cover plate; 3. a lower cover plate; 4. a rear vertical plate; 5. a sloping plate; 6. a right seal plate; 7. a left sealing plate; 8. a rotating base; 9. an auxiliary frame; 10. and (7) installing holes.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example one

As shown in fig. 1 to 4, an auxiliary frame oblique beam mounting structure of a concrete pump truck comprises an oblique beam 1 and a rotary base 8, wherein an auxiliary frame 9 is welded with the rotary base 8, the oblique beam 1 has a circular cross section but is not limited to the circular cross section, an oblique plate 5 on the rotary base 8 is provided with a mounting hole 10 for mounting the oblique beam 1 and a pipe box, the plate edge of the oblique plate 5 is connected with the plate edge of a rear vertical plate 4 on the rotary base 8, the pipe box is communicated with the mounting hole 10, the end part of the pipe box is welded with the plate surface of the oblique plate 5, one end of the oblique beam 1 is welded with the auxiliary frame 9, the other end side wall of the oblique beam 1 is welded with the hole wall of the mounting hole 10, the welding seam is closed-loop plug welding, and the inner box wall of the pipe box is connected with the side wall of the oblique beam 1; the side walls of the pipe box connected with the side walls of the inclined beams 1 are arranged in a staggered mode along the length direction of the inclined beams 1.

Example two

As shown in fig. 1 to 4, different from the first embodiment, the tube box of the present embodiment includes an upper cover plate 2, a lower cover plate 3, a right sealing plate 6 and a left sealing plate 7, the upper cover plate 2 is disposed above the oblique beam 1, the lower cover plate 3 is disposed below the oblique beam 1, the right sealing plate 6 and the left sealing plate 7 are respectively disposed on two sides of the oblique beam 1, a pair of parallel plate edges of the upper cover plate 2 are respectively welded to one plate edge of the right sealing plate 6 and the left sealing plate 7, a pair of parallel plate edges of the lower cover plate 23 are respectively welded to the other parallel plate edge of the right sealing plate 6 and the left sealing plate 7, the cross section of the tube box has a shape matching with the oblique beam 1, and the upper cover plate 2 and the lower cover plate 3 are bent plates;

the length of lower apron 3 along 1 direction of sloping is 5cm than 2 length of upper cover plate, and right shrouding 6 is 5cm than 2 length of upper cover plate, and left shrouding 7 is 5cm than 6 length of right shrouding, and this structure demonstrates cross-section gradient change to form the rigidity flexible change and the flexible transition of sloping, and the welding seam is longer, improves the reliability of structure greatly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (6)

1. The utility model provides a concrete pump truck sub vehicle puts up sloping beam mounting structure which characterized in that: the inclined beam type parking device comprises an inclined beam and a rotary base, wherein a mounting hole for mounting the inclined beam and a pipe box are formed in the rotary base, the pipe box is communicated with the mounting hole, one end of the inclined beam is connected with an auxiliary frame, the side wall of the other end of the inclined beam is connected with the hole wall of the mounting hole, and the inner box wall of the pipe box is connected with the side wall of the inclined beam; the side walls of the pipe box connected with the side walls of the inclined beams are arranged in a staggered mode along the length direction of the inclined beams.

2. The concrete pump truck subframe sloping beam mounting structure as claimed in claim 1, wherein: the mounting hole is arranged on the inclined plate, and the end part of the pipe box is connected with the plate surface of the inclined plate.

3. The concrete pump truck subframe sloping beam mounting structure as claimed in claim 1, wherein: the cross-sectional area of one end of the tube box, which is close to the mounting hole, is larger than that of the other end.

4. The concrete pump truck subframe sloping beam mounting structure of claim 2, wherein: the lengths of the two side box walls of the box are larger than the lengths of the upper box wall and the lower box wall of the box.

5. The concrete pump truck subframe sloping beam mounting structure as claimed in claim 3, wherein: the length of the upper box wall of the pipe box is larger than that of the lower box wall of the pipe box.

6. The concrete pump truck subframe sloping beam mounting structure of claim 4, wherein: the length of the side wall of the pipe box connected with the edge of the inclined plate is greater than that of the side wall of the pipe box connected with the surface of the inclined plate.

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