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CN-224227877-U - Mechanical arm, operation arm, crushing device and engineering machinery

CN224227877UCN 224227877 UCN224227877 UCN 224227877UCN-224227877-U

Abstract

The application provides a mechanical arm, a working arm, a crushing device and engineering machinery, wherein the mechanical arm comprises a rod body, a cavity structure is arranged in the mechanical arm, cooling liquid is filled in the cavity, the front end of the rod body is used for being connected with a working device, a hydraulic pipe for providing hydraulic oil for the working device is arranged in the cavity in a penetrating way, two ports of the hydraulic pipe are all positioned outside the rod body, one port is connected with the working device, and the other port is connected with a hydraulic station. The operation arm comprises a plurality of sections of rod bodies of the mechanical arm, the adjacent rod bodies are connected in a head-to-tail rotation mode, cooling liquid is filled in the inner cavity of at least part of the rod bodies, the hydraulic pipe penetrates through the inner part of the rod body filled with the cooling liquid, and the operation device is arranged at the front end of the rod body. The scheme can assist in cooling the driving hydraulic oil of the operation device, improve the cooling efficiency of the hydraulic oil and slow down the rising speed of the hydraulic oil.

Inventors

  • LV BO

Assignees

  • 成都中挖智能科技有限公司

Dates

Publication Date
20260512
Application Date
20250422

Claims (9)

  1. 1. The utility model provides a mechanical arm, its characterized in that, including body of rod (9), its inside is cavity structure, and the cavity intussuseption is filled with the coolant liquid, and the front end of body of rod (9) is used for connecting operation device (2), wears to locate in the cavity for hydraulic pipe (1) of operation device (2) providing hydraulic oil, and the both ends mouth of hydraulic pipe (1) all is located the outside of body of rod (9), and one of them port is connected with operation device (2), and another port links to each other with the hydraulic pressure station.
  2. 2. The mechanical arm according to claim 1, wherein two ends of the hydraulic pipe (1) are respectively arranged at the front end and the rear end of the rod body (9).
  3. 3. A mechanical arm according to claim 1 or 2, characterized in that the two ends of the rod body (9) corresponding to the hydraulic pipe (1) are provided with mounting holes, and the mounting holes are provided with detachable sealing covers (4).
  4. 4. A manipulator according to claim 1, characterised in that the rod (9) is provided with a water connection (3) communicating with the internal cavity for filling and draining the cooling fluid from the interior.
  5. 5. A mechanical arm according to claim 4, characterized in that the rod body (9) is provided with two water connections (3) and is located at each end of the rod body (9), one for filling with cooling liquid and the other for discharging cooling liquid.
  6. 6. A manipulator according to claim 1, characterized in that the hydraulic pipe (1) is of hose construction, and is provided with a protective spring (12) in its outer sleeve.
  7. 7. An operation arm is characterized by comprising a plurality of rod bodies (9) of the mechanical arm according to any one of claims 1 to 6, wherein adjacent rod bodies (9) are connected in a head-to-tail rotation mode, cooling liquid is filled in an inner cavity of at least part of the rod bodies (9), a hydraulic pipe (1) penetrates through the rod bodies (9) filled with the cooling liquid, and an operation device (2) is arranged at the rod bodies (9) at the front end.
  8. 8. A breaking device, characterized by comprising a working arm according to claim 7, the working means (2) being a hydraulic breaking hammer.
  9. 9. A construction machine comprising the work arm according to claim 7.

Description

Mechanical arm, operation arm, crushing device and engineering machinery Technical Field The utility model belongs to the technical field of hydraulic oil cooling of engineering machinery, and particularly relates to a mechanical arm, an operation arm, a crushing device and engineering machinery. Background The working devices of various engineering machines are usually hydraulically driven, the working parts are mostly arranged at the front ends of working arms of the engineering machines, and common working devices comprise hydraulic breaking hammers, hydraulic drilling rigs and the like. Most working devices cause an increase in the temperature of hydraulic oil used to drive the working devices during operation, resulting in problems such as reduced power, reduced life, increased risk of leakage, etc. The existing engineering machinery mainly utilizes an air cooling mode to cool hydraulic oil, but the cooling power of air cooling is limited, and the cooling requirement of long-time operation cannot be met. Disclosure of utility model In order to solve the defects in the prior art, the utility model provides the mechanical arm, the working arm, the crushing device and the engineering machinery, which can assist in cooling the driving hydraulic oil of working devices, improve the cooling efficiency of the hydraulic oil and slow down the lifting speed of the hydraulic oil. In order to achieve the object of the utility model, the following scheme is adopted: The utility model provides a mechanical arm, includes the body of rod, and its inside is the cavity structure, and the cavity intussuseption is filled with the coolant liquid, and the front end of body of rod is used for connecting the operation device, and in the cavity was worn to locate by the hydraulic pipe that provides hydraulic oil for the operation device, the both ends mouth of hydraulic pipe all was located the outside of the body of rod, and one of them port is connected with the operation device, and another port links to each other with the hydraulic pressure station. The operation arm comprises a plurality of sections of rod bodies of the mechanical arm, the adjacent rod bodies are connected in a head-to-tail rotation mode, cooling liquid is filled in the inner cavity of at least part of the rod bodies, the hydraulic pipe penetrates through the inner part of the rod body filled with the cooling liquid, and the operation device is arranged at the front end of the rod body. The mechanical arm cooling device has the beneficial effects that the mechanical arm is used for filling cooling oil, the driving oil pipe of the operation device is immersed in cooling liquid in the mechanical arm, the temperature rise of hydraulic oil is slowed down, the operation time is prolonged, the hydraulic pipe is installed in a wiring mode in the mechanical arm, the safety of the hydraulic pipe can be effectively improved, and the risk of damage to the hydraulic pipe due to external force is reduced. Drawings The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the utility model. Fig. 1 shows a schematic view of the internal structure of the mechanical arm of the present application. Fig. 2 shows a schematic view of a preferred construction of the work arm of the present application. Figure 3 shows a cross-sectional view of a preferred construction of the work arm of the present application. In the figure, the hydraulic pipe-1, the hydraulic joint-11, the protection spring-12, the operation device-2, the water pipe joint-3, the sealing cover-4 and the rod body-9 are marked. Detailed Description For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, but the described embodiments of the present utility model are some, but not all embodiments of the present utility model. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on those shown in the drawings, or those conventionally put in use of the product of the present utility model, are merely for convenience of description of the present utility model and simplification of description. The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implyin