CN210440764U - Light-weight structure of oil suction pipe of 80-ton crane - Google Patents
Light-weight structure of oil suction pipe of 80-ton crane Download PDFInfo
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- CN210440764U CN210440764U CN201921099874.1U CN201921099874U CN210440764U CN 210440764 U CN210440764 U CN 210440764U CN 201921099874 U CN201921099874 U CN 201921099874U CN 210440764 U CN210440764 U CN 210440764U
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Abstract
The utility model discloses an 80 ton hoist oil absorption pipe lightweight structure, including the oil tank, main oil absorption pipe and pump machine, the pump machine level sets up in the outside of oil tank and has first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port and fourth hydraulic fluid port, main oil absorption pipe level sets up and installs on the oil tank in the outside of oil tank, the lateral wall of main oil absorption pipe is in being close to a left side, the position of right-hand member is provided with first takeover, the second takeover, the left end tip of main oil absorption pipe still is provided with the joint, it is provided with the third takeover to stagger around circumference and first takeover on being close to the lateral wall of left end, first hydraulic fluid port, the second hydraulic fluid port corresponds the first takeover of intercommunication, the second takeover, third hydraulic fluid port and fourth hydraulic fluid port all are located the left side of first hydraulic fluid port. The utility model discloses change traditional rectilinear structure into horizontal structure for the complete machine stringing is succinct clear, can subtract the length of short shaping rubber tube, reduction in production cost.
Description
Technical Field
The utility model belongs to the technical field of the hoist, concretely relates to light-weighted structure of oil suction pipe of 80 ton hoist.
Background
The hydraulic oil circuit of the crane has different designs according to different lifting capacities, as shown in fig. 1, the hydraulic oil circuit is an oil suction pipeline structure in a traditional 80-ton crane, four pipelines are arranged between an oil tank 100 and a pump 108 for communication, specifically, a main oil suction pipe 101 perpendicular to the oil tank 100 is arranged on the oil tank 100, the size specification is phi 121 × 5mm, a first connecting pipe 105 is welded at the tail end of the main oil suction pipe 101, a second connecting pipe 104 is welded at the side wall close to the tail end, a branch oil suction pipe 103 is welded at the side wall close to the oil tank 100, the size specification is phi 76 × 4.5mm, a connector 107 is welded at the tail end of the branch oil suction pipe 103, a third connecting pipe 106 is welded at the side wall close to the tail end, the size specifications of the first connecting pipe 105-third connecting pipe 106 are phi 54 × 4mm, because four oil ports on the pump 108 are not completely corresponding to the first connecting pipe 105, the second connecting pipe 104, therefore, in the actual production process, the main oil suction pipe 101 is arranged in the middle of the pump 108, one or more bent pipes 114 are required to be arranged at four oil ports of the pump 108, and then the molded rubber pipe is arranged between the two bent pipes. In this kind of structural setting, two oil ports on the pump machine 108 need to set up two return bends 114 in order to realize the butt joint with first takeover 105 and second takeover 104, and the welding has the takeover between two return bends 114, and its welding all adopts socket joint welding, leads to in the production process, has following not enough in the use:
a. the number of bent pipes 114 is large, so that the oil path conveying efficiency is influenced;
b. the oil circuit distribution is complex;
c. the socket welding has a gap, and after acid pickling and phosphorization are carried out after welding, residual acid exists, so that the problem of rust return is caused;
d. the quantity of welding seams is large, the quality of an oil way is influenced, and the occurrence probability of leakage points is high;
e. the material specification is many, the production management is inconvenient, and the production cost is high;
f. the first connecting pipe 105, the second connecting pipe 104, the joint 107 and the third connecting pipe 106 are all made of pipes with thicker wall thickness, and a trapezoidal rib is formed at the tail end through machining so as to install the formed rubber pipe, so that the weight is larger and the cost is higher.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a method for manufacturing a semiconductor device
The utility model provides a technical scheme that its technical problem adopted is:
the light weight structure of the oil suction pipe of the 80-ton crane comprises an oil tank, a main oil suction pipe and a pump, wherein an oil outlet is formed in the side wall of the oil tank, the pump is horizontally arranged on the outer side of the oil tank and positioned above the oil outlet and provided with a first oil port, a second oil port, a third oil port and a fourth oil port, the main oil suction pipe is horizontally arranged on the outer side of the oil tank and installed on the oil tank and communicated with the oil outlet, a first connecting pipe and a second connecting pipe are arranged on the side wall of the main oil suction pipe at positions close to the left end and the right end, the end part of the left end of the main oil suction pipe is further provided with a joint, a third connecting pipe is arranged on the side wall close to the left end in a staggered mode around the circumferential direction and the first connecting pipe, the first connecting pipe and the second connecting pipe are respectively and correspondingly arranged in the same vertical plane with the first oil port and the second oil port, and, And the second connecting pipe, the third oil port and the fourth oil port are positioned on the left side of the first oil port and are respectively and correspondingly communicated with the joint and the third connecting pipe.
Preferably, the first oil port, the second oil port, the third oil port and the fourth oil port are all located at one end of the pump machine, which is deviated from the oil tank, and the four oil ports are all provided with a U-shaped connecting pipe, which is located in a vertical plane and the tail end of the U-shaped connecting pipe is located in the same horizontal plane as the tail end of the corresponding connecting pipe/joint.
Preferably, the wall thickness of the U-shaped connecting pipe is 2mm, one end of the U-shaped connecting pipe is provided with a first flange and is installed on the pump machine through the first flange, and the other end of the U-shaped connecting pipe is formed with an annular rib through a pipe expanding process.
Preferably, the first connecting pipe, the second connecting pipe, the joint and the third connecting pipe are made of pipes with the wall thickness of 2mm and welded on the main oil suction pipe, the tail ends of the first connecting pipe, the second connecting pipe, the joint and the third connecting pipe are provided with annular ribs through pipe expansion process forming, and the first connecting pipe, the second connecting pipe, the joint and the third connecting pipe are communicated with the first oil port, the second oil port, the third oil port and the fourth oil port through forming rubber pipes.
Preferably, a first boss is arranged on the first flange, and the U-shaped connecting pipe and the first boss are fixed in a butt welding mode.
Preferably, the U-shaped connecting pipe and the first boss are fixed by single-side welding and double-side forming.
Preferably, one end of the main oil suction pipe close to the oil tank is provided with a second flange and is mounted on the oil tank through the second flange.
Preferably, the second flange is provided with a second boss, the main oil suction pipe is provided with a thin-wall circular pipe, and the second boss and the thin-wall circular pipe are fixed by single-side welding and double-side forming.
Preferably, the main oil suction pipe is made of pipe materials with the diameter of 114.3 multiplied by 2 mm.
The utility model has the advantages that:
firstly, the traditional vertical structure is changed into a horizontal structure, so that the whole machine is simple and clear in pipe arrangement, the length of a formed rubber pipe can be shortened, and the production cost is reduced;
secondly, the U-shaped connecting pipe is adopted, so that compared with the traditional structure, the arrangement of bent pipes is reduced, the number of welding lines is reduced, the occurrence probability of leakage points is further reduced, and the production quality is improved;
thirdly, the arrangement of bent pipes and the like is reduced, so that the sub-materials are reduced, the material management is facilitated, and the production efficiency is improved;
fourthly, the traditional pipe with the thickness of 4mm is changed into the pipe with the thickness of 2mm, and then the annular rib for installing the formed rubber pipe is formed by a pipe expanding process, so that compared with the structure manufactured by the traditional machine processing, the annular rib has higher production quality and lower production cost, is beneficial to realizing light weight, reducing weight and optimizing assembly environment;
fifthly, the welding positions are all welded by a single-side welding double-side forming welding technology, no gap exists, acid pickling and phosphorization are carried out after welding, no residual acid and no rust return exist, and the problem of residual acid liquid rust return in the socket welding gap can be effectively solved;
sixth, the main oil suction pipe is a pipe with a thinner wall thickness, so that the weight can be reduced, and the production cost can be reduced.
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;
fig. 2 is a schematic structural diagram 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. 2, the utility model discloses an oil suction pipe lightweight structure of 80 ton crane, including an oil tank 100, a main oil suction pipe 101 and a pump 108, an oil outlet is opened on the side wall of the oil tank 100, the pump 108 is horizontally arranged outside the oil tank 100 and above the oil outlet and has a first oil port 111, a second oil port 110, a third oil port 113 and a fourth oil port 112, the main oil suction pipe 101 is horizontally arranged outside the oil tank 100 and is installed on the oil tank 100 and is communicated with the oil outlet, a first connecting pipe 105 and a second connecting pipe 104 are arranged on the side wall of the main oil suction pipe 101 at positions close to the left and right ends, a joint 107 is further arranged at the left end of the main oil suction pipe 101, a third connecting pipe 106 is arranged on the side wall close to the left end in a staggered manner with the first connecting pipe 105 around the circumference, the first connecting pipe 105 and the second connecting pipe 104 respectively correspond to the first oil port 111 and the second oil, the first oil port 111 and the second oil port 110 are correspondingly communicated with the first connecting pipe 105 and the second connecting pipe 104, and the third oil port 113 and the fourth oil port 112 are respectively positioned on the left side of the first oil port 111 and correspondingly communicated with the joint 107 and the third connecting pipe 106.
Compared with the traditional structure of fig. 1, the vertical arrangement of the main oil suction pipe 101 is changed into horizontal arrangement, so that the distance between the first connecting pipe 105, the second connecting pipe 104, the joint 107 and the third connecting pipe 106 can be increased, and the distance is more suitable for the position distribution of the first oil port 111, the second oil port 110, the third oil port 113 and the fourth oil port 112, thereby reducing the arrangement of the bent pipe 114, simplifying and improving the oil circuit conveying efficiency.
In some embodiments, the first oil port 111, the second oil port 110, the third oil port 113, and the fourth oil port 112 are all located at an end of the pump 108 away from the oil tank 100, and correspondingly, in order to achieve connection between the pump and the corresponding connection pipe or joint 107, the four oil ports are all provided with a U-shaped connection pipe, the U-shaped connection pipe is located in a vertical plane, and a tail end of the U-shaped connection pipe and a tail end of the corresponding connection pipe or joint 107 are located in a same horizontal plane. Meanwhile, the wall thickness of the U-shaped connecting pipe is 2mm, one end of the U-shaped connecting pipe is provided with a first flange and is installed on the pump machine 108 through the first flange, and the other end of the U-shaped connecting pipe is formed with an annular rib through a pipe expanding process.
Specifically, a circular first boss is arranged on the first flange, the U-shaped connecting pipe and the first boss are fixed in a butt welding mode, and single-side welding and double-side forming are specifically adopted for fixing.
Correspondingly, the first connecting pipe 105, the second connecting pipe 104, the joint 107 and the third connecting pipe 106 are made of pipes with the wall thickness of 2mm and are welded on the main oil suction pipe 101, the tail ends of the first connecting pipe 105, the second connecting pipe 104, the joint 107 and the third connecting pipe 106 are all formed with annular ribs through a pipe expanding process, and the first connecting pipe 105, the second connecting pipe 104, the joint 107 and the third connecting pipe 106 are communicated with the first oil port 111, the second oil port 110, the third oil port 113 and the fourth oil port 112 through forming rubber pipes. And the forming rubber tube is provided with a hose clamp for fixing.
As shown in fig. 2, since the first connection pipe 105 and the second connection pipe 104 are respectively and correspondingly disposed in the same vertical plane with the first oil port 111 and the second oil port 110, the two connected pipes are directly communicated through a straight formed rubber tube, and since the main oil suction pipe 101 is horizontally and horizontally disposed, the length of the formed rubber tube between the joint 107 and the third connection pipe 106, and the third oil port 113 and the fourth oil port 112 is also shorter than that of the conventional structure, thereby reducing the production cost and improving the oil path transmission efficiency.
In order to realize the installation of the main oil suction pipe 101 and the oil tank 100, one end of the main oil suction pipe 101 close to the oil tank 100 is provided with a second flange 102 and is installed on the oil tank 100 through the second flange 102. Specifically, the second flange 102 is provided with a circular second boss, the main oil suction pipe 101 is provided with a thin-walled circular pipe 109, and the second boss and the thin-walled circular pipe 109 are fixed by single-side welding and double-side forming. As shown in the drawing, in order to balance the connection distance between the oil tank 100 and the four oil ports, a thin-walled circular tube 109 is disposed at a middle position of the main oil suction pipe 101.
In addition, since the oil suction pipe lightweight structure in the present embodiment is for an 80 ton crane, it is preferable that the main oil suction pipe 101 and the thin-walled circular pipe 109 are made of pipes having a diameter of 114.3 × 2, and the U-shaped connection pipe, the first connection pipe 105, the second connection pipe 104, the joint 107, and the third connection pipe 106 are made of pipes having a diameter of 50.8 × 2 mm.
To sum up, the beneficial effects of the utility model include:
firstly, the traditional vertical structure is changed into a horizontal structure, so that the whole machine is simple and clear in pipe arrangement, the length of a formed rubber pipe can be shortened, and the production cost is reduced;
secondly, the U-shaped connecting pipe is adopted, so that compared with the traditional structure, the arrangement of the bent pipe 114 is reduced, the number of welding seams is reduced, the occurrence probability of leakage points is further reduced, and the production quality is improved;
thirdly, the arrangement of the bent pipe 114 and the like is reduced, so that the sub-materials are reduced, the material management is convenient, and the production efficiency is improved;
fourthly, the traditional pipe with the thickness of 4mm is changed into the pipe with the thickness of 2mm, and then the annular rib for installing the formed rubber pipe is formed by a pipe expanding process, so that compared with the structure manufactured by the traditional machine processing, the annular rib has higher production quality and lower production cost, is beneficial to realizing light weight, reducing weight and optimizing assembly environment;
fifthly, the welding positions are all welded by a single-side welding double-side forming welding technology, no gap exists, acid pickling and phosphorization are carried out after welding, no residual acid and no rust return exist, and the problem of residual acid liquid rust return in the socket welding gap can be effectively solved;
sixth, the main oil suction pipe 101 is a pipe with a thinner wall thickness, so that the weight can be reduced, and the production cost can be reduced.
The above-mentioned embodiment is only the utility model discloses an it is preferred that the utility model discloses still there can be other embodiments, set up in other positions of pump machine 108 like first hydraulic fluid port 111, second hydraulic fluid port 110, third hydraulic fluid port 113 and fourth hydraulic fluid port 112, and then change the structure setting of connecting pipe. 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 (9)
1. The light weight structure of the oil suction pipe of the 80-ton crane is characterized by comprising an oil tank, a main oil suction pipe and a pump, wherein an oil outlet is formed in the side wall of the oil tank, the pump is horizontally arranged on the outer side of the oil tank and positioned above the oil outlet and provided with a first oil port, a second oil port, a third oil port and a fourth oil port, the main oil suction pipe is horizontally arranged on the outer side of the oil tank and mounted on the oil tank and communicated with the oil outlet, a first connecting pipe and a second connecting pipe are arranged on the side wall of the main oil suction pipe at positions close to the left end and the right end, a joint is further arranged at the end part of the left end of the main oil suction pipe, a third connecting pipe is arranged on the side wall close to the left end in a staggered manner along the circumferential direction and the first connecting pipe, and the first connecting pipe and the second connecting pipe are respectively arranged in the same, the first oil port and the second oil port are correspondingly communicated with the first connecting pipe and the second connecting pipe, and the third oil port and the fourth oil port are both positioned on the left side of the first oil port and are correspondingly communicated with the joint and the third connecting pipe respectively.
2. The structure of claim 1, wherein the first oil port, the second oil port, the third oil port and the fourth oil port are all located at an end of the pump away from the oil tank, and four oil ports are all provided with a U-shaped connecting pipe, which is located in a vertical plane and has an end in the same horizontal plane as a corresponding connecting pipe/joint end.
3. The structure of claim 2, wherein the U-shaped connection pipe has a wall thickness of 2mm, and is provided with a first flange at one end thereof and mounted on the pump machine through the first flange, and is formed with a ring rib at the other end thereof through a pipe expansion process.
4. The structure of claim 3, wherein the first connecting pipe, the second connecting pipe, the joint and the third connecting pipe are made of a pipe with a wall thickness of 2mm and welded to the main oil suction pipe, the ends of the first connecting pipe, the second connecting pipe, the joint and the third connecting pipe are respectively formed with annular ribs by a pipe expansion process, and the first connecting pipe, the second connecting pipe, the joint and the third connecting pipe are communicated with the first oil port, the second oil port, the third oil port and the fourth oil port through molding rubber pipes.
5. The structure of claim 3, wherein the first flange is provided with a first boss, and the U-shaped connecting pipe is fixed to the first boss by butt welding.
6. The structure of claim 5, wherein the U-shaped connecting pipe and the first boss are fixed by single-side welding and double-side forming.
7. The structure of claim 1, wherein a second flange is provided at an end of the main suction pipe close to the oil tank and is mounted to the oil tank through the second flange.
8. The structure of claim 7, wherein the second flange is provided with a second boss, the main suction pipe is provided with a thin-walled circular pipe, and the second boss and the thin-walled circular pipe are fixed by single-side welding and double-side forming.
9. The structure of any one of claims 1 to 8, wherein the main oil suction pipe is made of a pipe material with a diameter of 114.3 x 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099874.1U CN210440764U (en) | 2019-07-12 | 2019-07-12 | Light-weight structure of oil suction pipe of 80-ton crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099874.1U CN210440764U (en) | 2019-07-12 | 2019-07-12 | Light-weight structure of oil suction pipe of 80-ton crane |
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| Publication Number | Publication Date |
|---|---|
| CN210440764U true CN210440764U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921099874.1U Active CN210440764U (en) | 2019-07-12 | 2019-07-12 | Light-weight structure of oil suction pipe of 80-ton crane |
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| Country | Link |
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| CN (1) | CN210440764U (en) |
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- 2019-07-12 CN CN201921099874.1U patent/CN210440764U/en active Active
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