CN219080468U

CN219080468U - Transfer case for hydraulic output of excavator

Info

Publication number: CN219080468U
Application number: CN202222645908.0U
Authority: CN
Inventors: 刘腾腾; 陈三元; 陈景生
Original assignee: Longyan Lingsheng Machinery Co ltd
Current assignee: Longyan Lingsheng Machinery Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-05-26
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a transfer case for hydraulic output of an excavator, which comprises a driving gear case body and a transmission gear case body, wherein a first reinforcing plate and a second reinforcing plate are fixed between the driving gear case body and the transmission gear case body, and a base is fixed at the bottom end of the driving gear case body. According to the transfer case, the rotating shaft in the transfer case rotates at a high speed to generate heat, the blower blows air to the air guide cavity through the blower pipe, and the air guide cavity blows air to the driving gear box bodies at two ends and the inside of the driving gear box body, so that the heat is fully dissipated, and the heat is rapidly dissipated through the external structure. The first reinforcing plate and the second reinforcing plate are fixed between the driving gear box body and the transmission gear box body, the base is fixed at the bottom ends of the first reinforcing plate and the second reinforcing plate, the stability of the transfer case is improved, vibration and shaking of the transfer case are reduced, and anti-collision protection capability is provided for the two ends of the transfer case through the first heat conducting plate and the second heat conducting plate.

Description

Transfer case for hydraulic output of excavator

Technical Field

The utility model relates to the technical field of transfer cases of excavators, in particular to a transfer case for hydraulic output of an excavator.

Background

The excavator is also called an excavating machine, and is an earthmoving machine which excavates materials higher or lower than a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a storage yard; the materials excavated by the excavator are mainly soil, coal, silt and soil and rock after pre-loosening; in recent years, development of the construction machine is relatively rapid, and the excavator has become one of the most important construction machines in engineering construction.

Common excavator structures comprise a power device, a working device, a slewing mechanism, an operating mechanism, a transmission mechanism, a travelling mechanism, auxiliary facilities and the like; depending on the manner of travel, the excavator may be classified into a crawler excavator and a wheel excavator.

The transfer case of the hydraulic excavator is an important transmission mechanism of the hydraulic excavator, and gears in the transfer case basically rotate at high speed; the wheel type hydraulic excavator is widely used in engineering construction and other operations due to its simple structure, flexible driving transition and low cost, and a power output device for the wheel type hydraulic excavator is an important engineering component.

The utility model patent CN201520924068.9 (CN 205153002U) provides a transfer case for hydraulic output of a wheel excavator, the device adopts a case body inclined arrangement structure, and a driving gear case body and a transmission gear case body are arranged in an inclined way, so that the space of a power output device is greatly reduced, the installation and maintenance of the power output device are convenient, and the flexibility of a wheel excavator main machine is improved. But the structure is only suitable for being convenient for the installation and maintenance of the transfer case, and the transfer case cannot provide the cooling and heat dissipation functions.

The existing transfer case for hydraulic output of the excavator, a driving gear box body in the transfer case and a rotating shaft inside a transmission gear box body rotate at a high speed, a large amount of heat can be generated, high temperature is caused, the lubricating function of lubricating oil is affected, the transfer case cannot be cooled by rapid heat dissipation, the transfer case is poor in outer side protection anti-collision capability, the transfer case surface is easy to sink or damage, the use of the transfer case is affected, and lubricating oil leakage is caused.

Disclosure of Invention

The utility model aims to provide a transfer case for hydraulic output of an excavator, which aims to solve the problems that a driving gear box body and a rotating shaft in a transmission gear box body in the transfer case rotate at a high speed, a large amount of heat is generated, high temperature is caused, the lubrication function of lubricating oil is affected, and quick heat dissipation and temperature reduction can not be carried out on the interior of the transfer case.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the transfer case for hydraulic output of the excavator comprises an active gear case body and a transmission gear case body, wherein a first reinforcing plate and a second reinforcing plate are fixed between the active gear case body and the transmission gear case body, and a base is fixed at the bottom end of the active gear case body.

Preferably, a first heat conducting plate is fixed on the outer side of the driving gear box body, the first heat conducting plate is of an arc-shaped structure, and a first radiating fin is fixed on the outer side of the first heat conducting plate.

Preferably, a second heat conducting plate is fixed on the outer side of the transmission gear box body, the second heat conducting plate is of an arc-shaped structure, and second radiating fins are fixed on the outer side of the second heat conducting plate.

Preferably, the inner surface of the driving gear box body is provided with a first air guide groove, the first air guide groove is of an annular concave groove structure, the inner surface of the driving gear box body is provided with a second air guide groove, and the second air guide groove is of an annular concave groove structure.

Preferably, the first reinforcing plate is located at two sides of the driving gear case, the second reinforcing plate is located between the driving gear case and the transmission gear case, and an air guide cavity is formed in the middle of the second reinforcing plate.

Preferably, the wind guide cavity is of a rectangular structure, two ends of the wind guide cavity are respectively communicated with the driving gear box body and the inside of the driving gear box body, a wind guide pipe is connected to the side face of the wind guide cavity, a blower is mounted at the other end of the wind guide pipe, and the blower is mounted on the outer side of the first reinforcing plate.

Preferably, the base is fixed at the bottom ends of the driving gear case and the transmission gear case, and a through hole is formed at the bottom end of the base.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the air blower is communicated with the air guide cavity through the air blower pipe, the first air guide groove and the second air guide groove are respectively arranged on the inner surfaces of the driving gear box body and are communicated with the air guide cavity, the rotating shaft in the transfer case rotates at a high speed to generate heat, the air blower blows air to the air guide cavity through the air blower pipe, the air blower blows air to the driving gear box body and the driving gear box body at two ends, and the air blower spreads through the first air guide groove and the second air guide groove to fully dissipate heat, and the first radiating fins and the second radiating fins are arranged on the outer sides of the driving gear box body and the driving gear box body, so that the heat generated by the driving gear box body and the driving gear box body is conducted to the outside through the first heat conducting plate and the second heat conducting plate, and the cooling effect is good.

2. According to the transfer case, the first reinforcing plate and the second reinforcing plate are fixed between the driving gear case body and the transmission gear case body, the base is fixed at the bottom ends of the driving gear case body and the transmission gear case body, the stability of the transfer case is improved, vibration and shaking of the transfer case are reduced, the bottom end of the transfer case is protected, the first heat-conducting plate and the second heat-conducting plate are respectively fixed at the outer sides of the driving gear case body and the transmission gear case body, the two ends of the transfer case are protected, and the anti-collision protection capability of the transfer case is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a cross-sectional view taken along the direction A-A of fig. 1 in accordance with the present utility model.

In the figure: 1. an active gearbox housing; 2. a second reinforcing plate; 3. an air guide cavity; 4. a second heat radiating fin; 5. a second heat-conducting plate; 6. a drive gear housing; 7. the second air guide groove; 8. a first reinforcing plate; 9. a blast pipe; 10. a blower; 11. a first air guide groove; 12. an active gearbox housing; 13. a first heat radiating fin; 14. a first heat-conducting plate; 15. a through hole; 16. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 and 2, a transfer case for hydraulic output of an excavator in the drawings includes a driving gear housing 1 and a transmission gear housing 6, a first reinforcing plate 8 and a second reinforcing plate 2 are fixed between the driving gear housing 1 and the transmission gear housing 6, and a base 16 is fixed at the bottom end of the driving gear housing 1.

The outer side of the driving gear box body 1 is fixedly provided with a first heat-conducting plate 14, the first heat-conducting plate 14 is of an arc-shaped structure, and the outer side of the first heat-conducting plate 14 is fixedly provided with a first radiating fin 13; the second heat-conducting plate 5 is fixed on the outer side of the transmission gear box body 6, the second heat-conducting plate 5 is of an arc structure, the second heat-radiating fins 4 are fixed on the outer side of the second heat-conducting plate 5, and the first heat-conducting plate 14 and the second heat-conducting plate 5 conduct heat generated inside the driving gear box body 1 and the transmission gear box body 6 to the outside and rapidly radiate heat and cool through the first heat-radiating fins 13 and the second heat-radiating fins 4.

The inner surface of the driving gear box body 1 is provided with a first air guide groove 11, the first air guide groove 11 is of an annular concave groove structure, and the first air guide grooves 11 are uniformly distributed on the inner surface of the driving gear box body 1; the inner surface of the transmission gear box body 6 is provided with a second air guide groove 7, the second air guide groove 7 is of an annular concave groove structure, and the second air guide grooves 7 are uniformly distributed on the inner surface of the transmission gear box body 6.

The first reinforcing plates 8 are positioned on two sides of the driving gear box body 1, and the second reinforcing plates 2 are positioned in the middle of the driving gear box body 1 and the transmission gear box body 6; the middle of the second reinforcing plate 2 is provided with the air guide cavity 3, the air guide cavity 3 is of a rectangular structure, two ends of the air guide cavity 3 are respectively communicated with the inside of the driving gear box body 1 and the inside of the transmission gear box body 6 and are communicated with the first heat conducting groove 11 and the second heat conducting groove 7, and wind can be fully blown into the transfer case.

The side of wind-guiding chamber 3 is connected with guide duct 9, and air-blower 10 is installed to the other end of guide duct 9, and air-blower 10 is installed in the outside of first gusset plate 8.

This a transfer case for excavator hydraulic output, when using: the air guide cavity 3 is arranged between the driving gear box body 1 and the transmission gear box body 6, the blower 10 is communicated with the air guide cavity 3 through the blower pipe 9, and a first air guide groove 11 and a second air guide groove 7 are respectively arranged on the inner surfaces of the driving gear box body 1 and the transmission gear box body 6 and are communicated with the air guide cavity 3.

The transfer case internal rotating shaft rotates at a high speed to generate heat, the blower 10 blows air to the air guide cavity 3 through the blower pipe 9, the air guide cavity 3 blows air to the inside of the driving gear case body 1 and the driving gear case body 6 at two ends, and the air passes through the transfer case inside through the first air guide groove 11 and the second air guide groove 7, so that the heat is fully dissipated.

And the first radiating fins 13 and the second radiating fins 4 are arranged on the outer sides of the driving gear box body 1 and the transmission gear box body 6, and heat generated by the driving gear box body 1 and the transmission gear box body 6 is conducted to the outside through the first heat conducting plate 14 and the second heat conducting plate 5, so that the heat is quickly dissipated, and the cooling effect is good.

Example 2

Referring to fig. 1 and 2, this embodiment further describes an embodiment 1, in which a transfer case for hydraulic output of an excavator includes an active gear housing 1 and a transmission gear housing 6, a first reinforcing plate 8 and a second reinforcing plate 2 are fixed between the active gear housing 1 and the transmission gear housing 6, and a base 16 is fixed at the bottom end of the active gear housing 1.

The outer side of the driving gear box body 1 is fixedly provided with a first heat-conducting plate 14, the first heat-conducting plate 14 is of an arc-shaped structure, and the outer side of the first heat-conducting plate 14 is fixedly provided with a first radiating fin 13; the outer side of the transmission gear box body 6 is fixed with a second heat-conducting plate 5, the second heat-conducting plate 5 is of an arc-shaped structure, and the outer side of the second heat-conducting plate 5 is fixed with a second radiating fin 4.

The first reinforcing plate 8 is located the both sides of initiative gear box 1, and the second reinforcing plate 2 is located the centre of initiative gear box 1 and transmission gear box 6, and open in the centre of second reinforcing plate 2 has wind-guiding chamber 3, and first reinforcing plate 8 and second reinforcing plate 2 consolidate stable to initiative gear box 1 and transmission gear box 6.

The base 16 is fixed at the bottom ends of the driving gear box body 1 and the transmission gear box body 6, so that the bottom ends of the driving gear box are stable; the bottom of the base 16 is provided with a through hole 15 which can dissipate heat and ventilate.

In this embodiment, fix first gusset plate 8 and second gusset plate 2 between driving gear box 1 and transmission gear box 6 to at both's bottom unable adjustment base 16, increase the stability of transfer case, reduce the vibrations of transfer case and rock, and protect the bottom of transfer case, and fix first heat-conducting plate 14 and second heat-conducting plate 5 respectively in driving gear box 1 and the outside of transmission gear box 6, protect the both ends of transfer case, increase the anticollision protection ability of transfer case.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A transfer case for excavator hydraulic output, comprising: the driving gear box body (1) and the transmission gear box body (6), a first reinforcing plate (8) and a second reinforcing plate (2) are fixed between the driving gear box body (1) and the transmission gear box body (6), and a base (16) is fixed at the bottom end of the driving gear box body (1).

2. A transfer case for excavator hydraulic output as claimed in claim 1 wherein: the driving gear box is characterized in that a first heat-conducting plate (14) is fixed on the outer side of the driving gear box body (1), the first heat-conducting plate (14) is of an arc-shaped structure, and a first radiating fin (13) is fixed on the outer side of the first heat-conducting plate (14).

3. A transfer case for excavator hydraulic output as claimed in claim 1 wherein: the outer side of the transmission gear box body (6) is fixedly provided with a second heat-conducting plate (5), the second heat-conducting plate (5) is of an arc-shaped structure, and the outer side of the second heat-conducting plate (5) is fixedly provided with a second radiating fin (4).

4. A transfer case for excavator hydraulic output as claimed in claim 1 wherein: the driving gear box is characterized in that a first air guide groove (11) is formed in the inner surface of the driving gear box body (1), the first air guide groove (11) is of an annular concave groove structure, a second air guide groove (7) is formed in the inner surface of the driving gear box body (6), and the second air guide groove (7) is of an annular concave groove structure.

5. A transfer case for excavator hydraulic output as claimed in claim 1 wherein: the first reinforcing plates (8) are positioned on two sides of the driving gear box body (1), the second reinforcing plates (2) are positioned between the driving gear box body (1) and the transmission gear box body (6), and an air guide cavity (3) is formed in the middle of the second reinforcing plates (2).

6. A transfer case for excavator hydraulic output as claimed in claim 5 wherein: the wind guide cavity (3) is of a rectangular structure, two ends of the wind guide cavity (3) are respectively communicated with the driving gear box body (1) and the driving gear box body (6), the side face of the wind guide cavity (3) is connected with a wind guide pipe (9), a blower (10) is mounted at the other end of the wind guide pipe (9), and the blower (10) is mounted on the outer side of the first reinforcing plate (8).

7. A transfer case for excavator hydraulic output as claimed in claim 1 wherein: the base (16) is fixed at the bottom ends of the driving gear box body (1) and the transmission gear box body (6), and a through hole (15) is formed in the bottom end of the base (16).