阅读说明：本技术 一种混凝土泵车用液压油箱结构 (Hydraulic oil tank structure for concrete pump truck ) 是由 阎军 李海波 王杰 于 2019-12-09 设计创作，主要内容包括：本发明公开了一种混凝土泵车用液压油箱结构,属于混凝土泵车设备技术领域,包括容纳型材和封闭型材,所述容纳型材呈上下U形折弯结构,所述封闭型材呈侧门U形围板结构,所述封闭型材设置在容纳型材内且两者组成供待储存的液压油存放的容纳腔,所述容纳型材与封闭型材相衔接处均焊接成型。本发明的有益效果具有整体独立性；结构简单性；箱体仅由两块高强度钢板折弯成U形拼焊即可,仅两条连续焊缝,极大降低了漏油风险；载荷分布合理性,独立的液油箱与底架焊接时,直接插入底架安装空档,置中焊接,液压油均匀分布,液压油管接头置于侧面,分散了各油管接头内工作液压油对整机的冲击载荷；易维护性。(The invention discloses a hydraulic oil tank structure for a concrete pump truck, which belongs to the technical field of concrete pump truck equipment and comprises an accommodating section bar and a closed section bar, wherein the accommodating section bar is of an upper and lower U-shaped bending structure, the closed section bar is of a side door U-shaped surrounding plate structure, the closed section bar is arranged in the accommodating section bar, the accommodating section bar and the closed section bar form an accommodating cavity for storing hydraulic oil to be stored, and the joint of the accommodating section bar and the closed section bar is formed by welding. The invention has the advantages of integral independence; the structure is simple; the box body is only formed by bending two high-strength steel plates into a U-shaped tailor-welded joint, only two continuous welding seams are needed, and the oil leakage risk is greatly reduced; the hydraulic oil pipe joints are arranged on the side surface, so that the impact load of working hydraulic oil in each oil pipe joint to the whole machine is dispersed; easy maintenance.)

1. The utility model provides a hydraulic tank structure for mobile concrete pump, its characterized in that, including holding section bar (1) and closed section bar (2), U-shaped bending structure about holding section bar (1) is, closed section bar (2) are side door U-shaped bounding wall structure, closed section bar (2) set up in holding section bar (1) and both constitute and supply holding chamber (3) that the hydraulic oil of treating storing was deposited, hold equal welded fastening of department that links up mutually with closed section bar (2) in section bar (1).

2. The hydraulic oil tank structure for the concrete pump truck as recited in claim 1, wherein a first pipe orifice (5) and a second pipe orifice (6) are arranged at the top of the accommodating section bar (1), the first pipe orifice (5) and the second pipe orifice (6) are both arranged in a vertical state and are communicated with the inside of the accommodating cavity (3), a mounting hole (7) is arranged at the edge of the end part of the accommodating section bar (1), and upper and lower mounting holes (7) on the accommodating section bar (1) are coaxially arranged.

3. The hydraulic oil tank structure for the concrete pump truck as claimed in claim 1, wherein the side wall of the closed section bar (2) is provided with a plurality of oil pipe interfaces (8), and each oil pipe interface (8) is communicated with the inside of the accommodating cavity (3).

Technical Field

The invention relates to the technical field of concrete pump truck equipment, in particular to a hydraulic oil tank structure for a concrete pump truck.

Background

At present, the pump truck is higher and higher along with the pumping height, the required hydraulic oil quantity is more and more, the oil tank volume is larger, and the structural design requirements on the hydraulic oil tank on the occupied space, the tank body structure and the overall layout are more and more strict due to the limitation of the whole truck weight of the pump truck. Common pump truck hydraulic tank structure is mostly the panel and splices the formula of welding, generally designs among the chassis, and the structure is compacter like this, and occupation space is little, and whole car is comparatively light pleasing to the eye, and has following problem: firstly, due to the design reason in the aspect of hydraulic pressure, the volumes of the left oil tank cavity and the right oil tank cavity are not the same, and the oil inlet and the oil outlet are distributed, so that the impact load of hydraulic oil on a chassis is not uniform during working, and the adverse effect is caused on the dynamic load borne by a pump truck in a working state; secondly, the internal environment is difficult to clean, sundries must be cleaned before use, otherwise blockage is easily caused, and meanwhile, the box body cannot be subjected to anticorrosive coating; thirdly, the welding seams between the plates are easy to leak oil due to welding technology level and error reasons, and the oil leaking part cannot be subjected to repair welding under the condition that the whole vehicle is installed; fourthly, because the tailor-welded plates are too many and the space is too small, the welding is inconvenient and the difficulty is high during the manufacturing. Various problems increase the risk of the pump truck breaking down in the actual use process.

Disclosure of Invention

The invention aims to provide a hydraulic oil tank structure for a concrete pump truck, which aims to solve the technical problem in the prior art.

The invention provides a hydraulic oil tank structure for a concrete pump truck, which comprises an accommodating section and a closed section, wherein the accommodating section is of an upper and lower U-shaped bending structure, the closed section is of a side door U-shaped coaming structure, the closed section is arranged in the accommodating section and forms an accommodating cavity for storing hydraulic oil to be stored, and the joint of the accommodating section and the closed section is formed by welding.

Further, the top of holding the section bar is equipped with first mouth of pipe and second mouth of pipe, first mouth of pipe and second mouth of pipe all are vertical state setting and with hold the inside intercommunication in chamber, the tip edge that holds the section bar is equipped with the mounting hole, the upper and lower mounting hole coaxial line setting on holding the section bar.

Furthermore, a plurality of oil pipe interfaces are arranged on the side wall of the closed section bar, and each oil pipe interface is communicated with the inside of the containing cavity.

Compared with the prior art, the invention has the beneficial effects that:

the integral independence can be independently manufactured from a main body (chassis), the welding is convenient, the difficulty is small, the anti-corrosion manufacturability is good, the problem that internal impurities cannot be cleaned is solved, and the integral manufacturing cost is low;

secondly, the structure is simple, the box body is formed by bending two high-strength steel plates into a U-shaped tailor-welded joint, only two continuous welding seams are needed, and the oil leakage risk is greatly reduced;

thirdly, the load distribution is reasonable, when the independent liquid oil tank is welded with the underframe, the independent liquid oil tank is directly inserted into an installation neutral position of the underframe and is welded in the neutral position, hydraulic oil is uniformly distributed, hydraulic oil pipe joints are arranged on the side faces, and the impact load of the working hydraulic oil in each oil pipe joint on the whole machine is dispersed;

and fourthly, the maintenance is easy, the welding surface of the oil tank is exposed outside, oil leakage points are convenient to arrange and check, repair welding is convenient, meanwhile, enough space is provided, and accessories and the like installed on the oil tank are easy to replace.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a first perspective view of the whole apparatus;

FIG. 3 is a schematic perspective view of the entire apparatus;

FIG. 4 is a third schematic perspective view of the entire apparatus;

fig. 5 is a schematic perspective view of a conventional hydraulic oil tank.

Reference numerals:

the section bar accommodating device comprises an accommodating section bar 1, a closed section bar 2, an accommodating cavity 3, a chassis 4, a first pipe orifice 5, a second pipe orifice 6, a mounting hole 7, an oil pipe connector 8, a first partition plate 9, a second partition plate 10, a third partition plate 11, a communication cavity 12, a fourth partition plate 13 and a fifth partition plate 14.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the invention provides a hydraulic oil tank structure for a concrete pump truck, which is shown in the following figures 1 to 5 and comprises an accommodating section bar 1 and a closed section bar 2, wherein the accommodating section bar 1 is of an upper and lower U-shaped bending structure, the closed section bar 2 is of a side door U-shaped coaming structure, the closed section bar 2 is arranged in the accommodating section bar 1, the accommodating section bar 1 and the closed section bar 2 form an accommodating cavity 3 for storing hydraulic oil to be stored, and the joint of the accommodating section bar 1 and the closed section bar 2 is formed by welding.

This application is when using in the direct grafting to chassis 4's neutral gear, accomplishes hydraulic tank and chassis 4's equipment operation, and hydraulic tank welds the back that finishes alone, and 4 neutral gear of disect insertion chassis transversely arrange at 4 tails of chassis, then weld with fixed position again on the periphery. Therefore, the position is relatively close to the outside, the maintenance is convenient, and the repair welding of oil leakage or the replacement of oil tank parts are very convenient. In addition, the oil tank is welded horizontally, the gravity of hydraulic oil can be evenly distributed, the oil pipe connector 8 is arranged on the side face, the impact load of oil entering and exiting of the oil pipe on the tank body can be greatly weakened, and the influence on the dynamic load borne by the pump truck in the working state is reduced to the minimum.

Referring to fig. 5, the hydraulic oil tank in the prior device is formed by welding plates 9-14, and a communicating cavity 12 is used for communicating the left oil tank with the right oil tank. Due to the design reason in the aspect of hydraulic pressure, the volumes of the left oil tank cavity and the right oil tank cavity are not the same, so that the impact load of hydraulic oil on the underframe 4 is not uniform during working due to the distribution of the oil inlets and the oil outlets, and the adverse effect is caused on the dynamic load borne by the pump truck in a working state; the inside of the communicating cavity 12 is difficult to clean, sundries must be cleaned before use, otherwise blockage is easily caused, and meanwhile, the box body cannot be subjected to anticorrosive coating; the welding seams between the plates are easy to leak oil due to the welding technology level and error reasons, and the oil leaking part cannot be subjected to repair welding under the condition that the whole vehicle is installed; because the tailor-welded plates are too many and the space is too small, the welding is inconvenient and the difficulty is high during the manufacturing. Various problems increase the risk of the pump truck breaking down in the actual use process.

The top that holds section bar 1 is equipped with first mouth of pipe 5 and second mouth of pipe 6, first mouth of pipe 5 and second mouth of pipe 6 all are vertical state setting and with the inside intercommunication that holds chamber 3, the tip edge that holds section bar 1 is equipped with mounting hole 7, the upper and lower mounting hole 7 coaxial line setting on holding section bar 1, the setting of first mouth of pipe 5 and second mouth of pipe 6 can be realized installing the operation with the filter, realizes the whole equipment shaping with the pump truck, can accomplish normal work.

Be equipped with a plurality of oil pipe interfaces 8 on the lateral wall of closed section bar 2, every oil pipe interface 8 all with hold the inside intercommunication in chamber 3, all oil pipe interfaces 8 and various oil pipe connection, hydraulic tank body is totally two continuous welding seams, greatly reduced the risk of oil leak, inside welding seam can be gone into by the circular manhole that the side was opened and is executed welding, greatly reduced the inside welded degree of difficulty.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.