CN215367500U - Movable arm big and small cavity steel pipe special for excavator - Google Patents
Movable arm big and small cavity steel pipe special for excavator Download PDFInfo
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- CN215367500U CN215367500U CN202121583637.XU CN202121583637U CN215367500U CN 215367500 U CN215367500 U CN 215367500U CN 202121583637 U CN202121583637 U CN 202121583637U CN 215367500 U CN215367500 U CN 215367500U
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Abstract
The utility model discloses a large and small cavity steel pipe of a special movable arm for an excavator, which comprises an oil inlet joint, a first steel pipe, a second oil outlet joint, a second steel pipe and a first oil outlet joint which are sequentially connected, wherein the first oil outlet joint comprises a first oil outlet, a pressure measuring port and a first connecting port connected with the second steel pipe, the pressure measuring port is detachably connected with a plug, and the second oil outlet joint comprises a second oil outlet, a third connecting port connected with the first steel pipe and a second connecting port connected with the second steel pipe. When the pressure measuring device is used at ordinary times, the pressure measuring port is plugged by the plug, and when pressure is required to be measured, the plug can be taken down and the pressure measuring port is connected with a pressure measuring joint.
Description
Technical Field
The utility model relates to a movable arm large and small cavity steel pipe special for an excavator.
Background
At present, large and small cavity steel pipes of a movable arm of a certain engineering machinery 20T excavator are connected through flanges, the connecting mode needs to be fixed through bolts, the assembling efficiency is low, and a pressure measuring port is not reserved. When the test, need tear the hose open earlier, then the external flange of taking the pressure measurement mouth to with the hose connection on the flange, above-mentioned operating efficiency is low, increases the cost of labor, causes simultaneously that fluid pollutes and the extravagant scheduling problem of fluid.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a movable arm large and small cavity steel pipe special for an excavator, which is convenient for pressure test.
In order to achieve the purpose, the utility model discloses a large cavity and a small cavity of a special movable arm for an excavator, which comprises an oil inlet joint, a first steel pipe, a second oil outlet joint, a second steel pipe and a first oil outlet joint which are sequentially connected, wherein the first oil outlet joint comprises a first oil outlet, a pressure measuring port and a first connecting port connected with the second steel pipe, the pressure measuring port is detachably connected with a plug, and the second oil outlet joint comprises a second oil outlet, a third connecting port connected with the first steel pipe and a second connecting port connected with the second steel pipe. When the pressure measuring device is used at ordinary times, the pressure measuring port is plugged by the plug, and when pressure is required to be measured, the plug can be taken down and the pressure measuring port is connected with a pressure measuring joint.
Preferably, the oil inlet joint comprises an oil inlet and a fourth connecting port connected with the first steel pipe. The 20T excavator adopts two movable arm oil cylinders, so that two large cavity oil ports and two small cavity oil ports are respectively arranged, when the excavator is used, a main pump absorbs oil from an oil tank, large cavity oil of a main valve movable arm link is connected with one oil inlet joint through a hose, a first oil outlet and a second oil outlet are connected with the large cavity oil port of the movable arm oil cylinder, similarly, the small cavity oil of the movable arm link is connected with the other oil inlet joint through a hose, and the first oil outlet and the second oil outlet are connected with the small cavity oil port of the movable arm oil cylinder.
Preferably, the oil inlet joint is cylindrical, an opening at one end of the oil inlet joint is used as an oil inlet, and an opening at the other end of the oil inlet joint is used as a fourth connecting port. During the use, the oil inlet is connected with the main valve swing arm antithetical couplet, and the fourth connector is connected with first steel pipe, compact structure, convenient to use.
Preferably, the fourth connection port is welded to the first steel pipe. The structure is compact and the connection strength is high.
Preferably, the oil inlet is provided with a thread. Adopt the screw thread form to connect, can improve assembly efficiency, do not influence service function simultaneously.
Preferably, the first oil outlet joint is T-shaped, the first oil outlet and the pressure measuring port are respectively located opposite to each other, and a connecting line between the first oil outlet and the pressure measuring port is perpendicular to the first connecting port. When the pressure testing device is used, the pressure testing port is located on the opposite side of the first oil outlet, and the pressure of the large cavity and the small cavity of the movable arm can be conveniently tested.
Preferably, the second oil outlet joint is T-shaped, the third connecting port and the second connecting port are respectively located opposite to each other, and a connecting line between the third connecting port and the second connecting port is perpendicular to the second oil outlet. During the use, the second connector is located the third connector contralateral side, makes things convenient for hydraulic oil to pass through, reduces the pressure loss.
Preferably, the first connecting port is welded with the second steel pipe; the third connecting port is welded with the first steel pipe, and the second connecting port is welded with the second steel pipe. The structure is compact and the connection strength is high.
Preferably, the diameter of the first oil outlet is 1 'or 3/4', and the oil inlet is provided with M36 or M30 threads; the diameter of the second oil outlet is 1 'or 3/4', and an M36 or M30 thread is arranged at the oil inlet. The size is suitable for matching with the large and small cavities.
Preferably, the first steel pipe has an L-shape. During the use, make things convenient for arranging of first steel pipe and second steel pipe, overall layout is reasonable.
In conclusion, the beneficial effects of the utility model are as follows: when the pressure measuring device is used at ordinary times, the pressure measuring port is plugged by the plug, and when pressure is required to be measured, the plug can be taken down and the pressure measuring port is connected with a pressure measuring joint.
Drawings
FIG. 1 is a schematic structural diagram of a large cavity steel pipe and a small cavity steel pipe of a special movable arm for an excavator, which is disclosed by the utility model;
FIG. 2 is a schematic view of the structure of detail A in FIG. 1;
FIG. 3 is a schematic view of the structure of detail B of FIG. 1;
fig. 4 is a schematic structural view of a part C in fig. 1.
In the figure: 1. a first oil outlet joint; 2. a second steel pipe; 3. a second oil outlet joint; 4. a first steel pipe; 5. an oil inlet joint; 6. a first oil outlet; 7. a first connection port; 8. a pressure measuring port; 9. a second oil outlet; 10. a second connection port; 11. a third connection port; 12. a fourth connection port; 13. and an oil inlet.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The utility model is further described with reference to the following figures and detailed description:
as shown in fig. 1 to 4, the large and small cavity steel pipe for the special movable arm of the excavator comprises an oil inlet joint 5, a first steel pipe 4, a second oil outlet joint 3, a second steel pipe 2 and a first oil outlet joint 1 which are sequentially connected, wherein the oil inlet joint 5 comprises an oil inlet 13 and a fourth connecting port 12 connected with the first steel pipe 4. The first oil outlet connector 1 comprises a first oil outlet 6, a pressure measuring port 8 and a first connecting port 7 connected with the second steel pipe 2, the pressure measuring port 8 is detachably connected with a plug, and the second oil outlet connector 3 comprises a second oil outlet 9, a third connecting port 11 connected with the first steel pipe 4 and a second connecting port 10 connected with the second steel pipe 2.
Preferably, the first steel pipe 4 is L-shaped and the second steel pipe 2 is linear. When the steel tube is used, the first steel tube 4 and the second steel tube 2 are conveniently arranged, and the whole layout is reasonable.
Because the 20T excavator adopts two movable arm oil cylinders, two large cavity oil ports and two small cavity oil ports are respectively arranged, when the excavator is used, a main pump absorbs oil from an oil tank, large cavity oil of a main valve movable arm link is connected with one oil inlet joint 5 through a hose, a first oil outlet 6 and a second oil outlet 9 are connected with the large cavity oil ports of the movable arm oil cylinders, similarly, the small cavity oil of the movable arm link is connected with the other oil inlet joint 5 through a hose, and the first oil outlet 6 and the second oil outlet 9 are connected with the small cavity oil ports of the movable arm oil cylinders. When the pressure measuring device is used at ordinary times, the pressure measuring port 8 is plugged by the plug, when pressure is required to be measured, the plug can be taken down, and the pressure measuring port 8 is connected with a pressure measuring joint.
Preferably, the oil inlet joint 5 is cylindrical, one end of the oil inlet joint 5 is opened as the oil inlet 13, and the other end of the oil inlet joint 5 is opened as the fourth connection port 12. During the use, oil inlet 13 is connected with the main valve swing arm antithetical couplet, and fourth connector 12 is connected with first steel pipe 4, compact structure, convenient to use. Further, the fourth connection port 12 is welded to the first steel pipe 4. The structure is compact and the connection strength is high. The oil inlet 13 is provided with threads. Adopt the screw thread form to connect, can improve assembly efficiency, do not influence service function simultaneously.
Preferably, the first oil outlet joint 1 is T-shaped, the first oil outlet 6 and the pressure measuring port 8 are respectively located on the opposite sides of the other side, and a connecting line between the first oil outlet 6 and the pressure measuring port 8 is perpendicular to the first connecting port 7. When the pressure testing device is used, the pressure testing port 8 is located on the opposite side of the first oil outlet 6, and the pressure of the large cavity and the small cavity of the movable arm can be conveniently tested.
The second oil outlet joint 3 is T-shaped, the third connecting port 11 and the second connecting port 10 are respectively positioned on the opposite sides of the other side, and a connecting line between the third connecting port 11 and the second connecting port 10 is vertical to the second oil outlet 9. When the hydraulic oil pressure reducing device is used, the second connecting port 10 is located on the opposite side of the third connecting port 11, hydraulic oil can pass through conveniently, and pressure loss is reduced.
The first connecting port 7 is welded with the second steel pipe 2; the third connection port 11 is welded to the first steel pipe 4, and the second connection port 10 is welded to the second steel pipe 2. The structure is compact and the connection strength is high.
In one embodiment, the diameter of the first oil outlet 6 is 1 ″, and an M36 thread is formed at the oil inlet 13; the diameter of the second oil outlet 9 is 1', and an M36 thread is formed at the oil inlet 13. This size is suitable for mating with a large cavity oil port.
In another embodiment, the diameter of the first oil outlet 6 is 3/4 ″, and an M30 thread is formed at the oil inlet 13; the diameter of the second oil outlet 9 is 3/4', and an M30 thread is formed at the oil inlet 13. This size is suitable for mating with a small cavity oil port.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a special swing arm big small cavity steel pipe of excavator, its characterized in that, is including oil feed joint (5), first steel pipe (4), second oil outlet joint (3), second steel pipe (2) and first oil outlet joint (1) that connect gradually, first oil outlet joint (1) is including first oil-out (6), pressure measurement mouth (8) and first connector (7) that are connected with second steel pipe (2), be connected with the end cap with the detachable mode on pressure measurement mouth (8), second oil outlet joint (3) are including second oil-out (9), third connector (11) that are connected with first steel pipe (4), second connector (10) that are connected with second steel pipe (2).
2. The movable arm big and small cavity steel pipe special for the excavator according to claim 1, wherein the oil inlet joint (5) comprises an oil inlet (13) and a fourth connecting port (12) connected with the first steel pipe (4).
3. The movable arm big and small cavity steel pipe special for the excavator according to claim 2, wherein the oil inlet joint (5) is cylindrical, an opening at one end of the oil inlet joint (5) is used as the oil inlet (13), and an opening at the other end of the oil inlet joint (5) is used as the fourth connecting port (12).
4. The movable arm big and small cavity steel pipe special for the excavator according to claim 2, wherein the fourth connecting port (12) is welded with the first steel pipe (4).
5. The movable arm big and small cavity steel pipe special for the excavator as claimed in claim 2, wherein the oil inlet (13) is threaded.
6. The movable arm big and small cavity steel pipe special for the excavator according to any one of claims 1 to 5, wherein the first oil outlet joint (1) is T-shaped, the first oil outlet (6) and the pressure measuring port (8) are respectively located on the opposite sides of the other, and the connecting line between the first oil outlet (6) and the pressure measuring port (8) is perpendicular to the first connecting port (7).
7. The boom big and small cavity steel pipe special for the excavator according to any one of claims 1 to 5, wherein the second oil outlet joint (3) has a T-shape, the third connection port (11) and the second connection port (10) are respectively located on the opposite sides of the other, and a connection line between the third connection port (11) and the second connection port (10) is perpendicular to the second oil outlet (9).
8. The steel pipe for the boom and the cavity special for the excavator according to any one of claims 1 to 4, wherein the first connecting port (7) is welded to the second steel pipe (2); the third connecting port (11) is welded with the first steel pipe (4), and the second connecting port (10) is welded with the second steel pipe (2).
9. The movable arm big and small cavity steel pipe special for the excavator as claimed in any one of claims 2 to 5, wherein the diameter of the first oil outlet (6) is 1 "or 3/4", and the oil inlet (13) is provided with M36 or M30 threads; the diameter of the second oil outlet (9) is 1 'or 3/4', and an M36 or M30 thread is formed at the oil inlet (13).
10. The boom chamber steel pipe special for excavators according to any one of claims 1 to 5, characterized in that the shape of the first steel pipe (4) is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121583637.XU CN215367500U (en) | 2021-07-13 | 2021-07-13 | Movable arm big and small cavity steel pipe special for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121583637.XU CN215367500U (en) | 2021-07-13 | 2021-07-13 | Movable arm big and small cavity steel pipe special for excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215367500U true CN215367500U (en) | 2021-12-31 |
Family
ID=79608759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121583637.XU Active CN215367500U (en) | 2021-07-13 | 2021-07-13 | Movable arm big and small cavity steel pipe special for excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215367500U (en) |
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2021
- 2021-07-13 CN CN202121583637.XU patent/CN215367500U/en active Active
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |