CN210440765U

CN210440765U - Oil suction pipe lightweight structure of 40-ton off-road vehicle

Info

Publication number: CN210440765U
Application number: CN201921100182.4U
Authority: CN
Inventors: 李裕华; 陈建军; 李劲红; 刘璀
Original assignee: Hunan Foster Hydraulic Machinery Co Ltd
Current assignee: Hunan Foster Hydraulic Machinery Co Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-01
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a 40 ton cross country vehicle inhales oil pipe lightweight structure, including the main oil way steel pipe, the main oil way steel pipe adopts phi 114.3 x 2 mm's tubular product to make, the one end of main oil way steel pipe has the section of bending through the return bend shaping, the end of the section of bending is along the perpendicular to the direction of main oil way steel pipe is extended, and the end of the section of bending has annular muscle through expand tube technology shaping, the other end welded fastening plate of main oil way steel pipe is sealed, simultaneously the main oil way steel pipe is in being close to be provided with third takeover and fourth takeover on the lateral wall of the one end of fixed plate. The utility model provides an oil absorption pipe lightweight structure is inhaled to cross country vehicle through adopting thinner tubular product, processes the oil circuit that forms the settlement shape, settlement function through return bend, expand tube technology, and more traditional structure, weight is lighter, has improved the assembly environment to need not to set up the elbow, reduced welding seam quantity, be favorable to improving production quality, the practicality is strong.

Description

Oil suction pipe lightweight structure of 40-ton off-road vehicle

Technical Field

The utility model belongs to the technical field of jack-up cross country vehicle, concretely relates to 40 tons of cross country vehicles inhale oil pipe lightweight structure.

Background

The structure shown in fig. 1 and 2 is a curved path structure used in a hydraulic system of a 40-ton off-road crane on the market, in order to realize the steering of a main oil path and the communication with a branch path, a main oil path steel pipe 100 with a diameter of 121 × 5mm is provided, two first elbows 101 with an angle of 45 ° and an angle of 90 ° are continuously welded at one end of the main oil path steel pipe 100, the first elbow 101 with an angle of 45 ° is bent downwards at the end part of the main oil path steel pipe 100, the first elbow 101 with an angle of 90 ° is bent at the tail end of the first elbow 101 with an angle of 45 ° along the direction perpendicular to the main oil path steel pipe 100, so that the direction and the horizontal position of the oil path are changed, and a first connecting pipe 107 is welded at the tail end of the first elbow 101 with an angle of. The other end of the main oil way steel pipe 100 is welded with a fixed plate 105 for sealing, two second connecting pipes 106 are arranged on the side wall close to the end, two second elbows 102 are welded on the side wall of the other side opposite to the second connecting pipes 106, connecting pipes 103 are welded at the tail ends of the second elbows 102, and then connectors 104 are welded at the tail ends of the connecting pipes 103, wherein the pipe diameters of the first elbows 101 and the first connecting pipes 107 are consistent with that of the main oil way steel pipe 100, the wall thickness of the first connecting pipes 107 is 5mm, trapezoidal ribs are formed at the tail ends through machining, the sizes of the second connecting pipes 106, the second elbows 102, the connecting pipes 103 and the connectors 104 are phi 54 x 4mm, and the trapezoidal ribs are formed at the tail ends of the second connecting pipes 106 through machining.

In the curved road structure, the material composition is many, the production management is inconvenient to carry out, the production is complicated, the number of welding seams is large, the probability of leakage points is increased, and the production quality is influenced. And the whole weight is heavy, reaching 14.93kg, and the assembly environment is poor. The elbow is a blank piece, the size precision is low, and the welding quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a 40 tons cross country vehicle oil absorption pipe lightweight structure that welding seam is small in quantity, light in weight, material are few.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a 40 ton cross country vehicle oil absorption pipe lightweight structure, includes the main oil way steel pipe, the main oil way steel pipe adopts phi 114.3 x 2 mm's tubular product to make, the one end of main oil way steel pipe has the section of bending through the return bend shaping, the end of the section of bending is along the perpendicular to the direction of main oil way steel pipe extends, and the end of the section of bending has the annular muscle through the formation of expand tube technology, the other end welding fixed plate of main oil way steel pipe is sealed, simultaneously the main oil way steel pipe in being close to be provided with third takeover and fourth takeover on the lateral wall of the one end of fixed plate.

Preferably, the bending section is bent downwards by 45 degrees along the axial direction of the main oil way steel pipe, and is bent leftwards or rightwards by 90 degrees.

Preferably, the third connecting pipe and the fourth connecting pipe are symmetrically arranged on the side walls of the two sides of the main oil way steel pipe.

Preferably, the third connecting pipe and the fourth connecting pipe are both provided with two connecting pipes.

Preferably, the third connecting pipe and the fourth connecting pipe are both made of pipes with the diameter of 50.8 multiplied by 2mm, and the tail end of the third connecting pipe is formed with an annular rib through a pipe expanding process.

Preferably, the fourth connecting pipe is bent by 90 degrees through pipe bending and extends in the axial direction perpendicular to the third connecting pipe and the main oil path steel pipe.

Preferably, the tail end of the fourth connecting pipe is welded with a connecting joint in a butt welding mode.

The utility model has the advantages that:

the utility model provides an oil absorption pipe lightweight structure is inhaled to cross country vehicle through adopting thinner tubular product, processes the oil circuit that forms the settlement shape, settlement function through return bend, expand tube technology, and more traditional structure, weight is lighter, has improved the assembly environment to need not to set up the elbow, reduced welding seam quantity, be favorable to improving production quality, the practicality is strong.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a schematic diagram of a conventional structure from a first perspective;

FIG. 2 is a schematic diagram of a conventional structure from a second perspective;

fig. 3 is a schematic structural diagram of a first viewing angle after the improvement of the present invention;

fig. 4 is a schematic structural diagram of a second viewing angle after the improvement of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 3 and 4, the utility model discloses a 40 ton cross country vehicle inhales oil pipe lightweight structure, including main oil way steel pipe 100, main oil way steel pipe 100 adopts phi 114.3 x 2 mm's tubular product to make, main oil way steel pipe 100's one end has bending section 200 through the return bend shaping, bending section 200's end extends along perpendicular to main oil way steel pipe 100's direction, and bending section 200's end has the annular muscle through the expand tube technology shaping, main oil way steel pipe 100's other end welded fastening board 105 is sealed, main oil way steel pipe 100 is provided with third takeover 201 and fourth takeover 202 on the lateral wall of the one end that is close to fixed plate 105 simultaneously.

As shown in the figure, the bending section 200 is bent downward by 45 ° along the axial direction of the main oil pipe 100, and then bent leftward or rightward by 90 °, so as to realize a structure consistent with two bends in the conventional structure.

The third connection pipe 201 and the fourth connection pipe 202 are symmetrically arranged on the side walls of both sides of the main oil path steel pipe 100. In order to ensure that the structure is consistent with the traditional structure, the third connecting pipe 201 and the fourth connecting pipe 202 are both provided with two pipes, the two pipes are both made of pipes with the diameter of 50.8 multiplied by 2mm, and the tail end of the third connecting pipe 201 is formed with an annular rib through a pipe expanding process. Meanwhile, the fourth connection pipe 202 is bent by 90 ° by pipe bending and extends in the axial direction perpendicular to the third connection pipe 201 and the main oil line steel pipe 100. A connecting joint 203 is butt-welded to the end of the fourth adapter 202.

The third connecting pipe 201 and the fourth connecting pipe 202 are also fixed to the main oil pipe 100 by welding.

When the oil suction pipe lightweight structure is installed in a hydraulic oil circuit system, the annular rib at the tail end of the main oil circuit steel pipe 100 and the annular rib at the tail end of the third connecting pipe 201 can be inserted into a formed rubber pipe and locked through the hose clamp, and compared with a trapezoidal rib structure which is machined in a traditional structure, the oil suction pipe lightweight structure is higher in size precision and production efficiency and can reduce production cost. And the overall weight of the oil suction pipe adopting the structure after final forming is 6.955kg which is far lighter than that of the traditional structure, thereby greatly improving the production and assembly environment.

To sum up, the utility model provides an oil absorption pipe lightweight structure of cross country vehicle through adopting thinner tubular product, processes the oil circuit that forms the settlement shape, settlement function through return bend, expand tube technology, and more traditional structure, weight is lighter, has improved the assembly environment to need not to set up the elbow, reduced welding seam quantity, be favorable to improving production quality, the practicality is strong.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. The utility model provides a 40 ton cross country vehicle oil absorption pipe lightweight structure, its characterized in that includes the main oil way steel pipe, the main oil way steel pipe adopts phi 114.3 x 2 mm's tubular product to make, the one end of main oil way steel pipe has the section of bending through the return bend shaping, the end of the section of bending is followed the perpendicular to the direction of main oil way steel pipe extends, and the end of the section of bending has the annular muscle through the formation of expand tube technology, the other end welding fixed plate of main oil way steel pipe is sealed, simultaneously the main oil way steel pipe is provided with third takeover and fourth takeover on being close to the lateral wall of the one end of fixed plate.

2. The structure of claim 1, wherein the bent section is bent downward by 45 degrees and is bent leftward or rightward by 90 degrees along the axial direction of the main oil path steel pipe.

3. The structure of claim 1, wherein the third connection pipe and the fourth connection pipe are symmetrically disposed on the sidewalls of the main oil passage steel pipe at both sides.

4. The structure of claim 3, wherein two third connection pipes and two fourth connection pipes are provided.

5. The structure of any one of claims 1 to 4, wherein the third connecting pipe and the fourth connecting pipe are made of a pipe material with a diameter of 50.8 x 2mm, and a ring rib is formed at the end of the third connecting pipe through a pipe expansion process.

6. The structure of claim 5, wherein the fourth connection pipe is bent by 90 ° by bending and extends in an axial direction perpendicular to the third connection pipe and the main oil line steel pipe.

7. The structure of claim 6, wherein the fourth connection pipe is butt welded at its end with a connection joint.