Electrically-driven wheel excavator

By rationally arranging the power supply components, controllers, and hydraulic tanks on the main frame of the slewing platform, the problem of increased size caused by component installation in new energy excavators has been solved, achieving rational use of space and enhanced connection strength, which facilitates construction in small spaces.

CN223838173UActive Publication Date: 2026-01-27FUJIAN XINYUAN HEAVY IND
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Patent Information

Application Number
CN202422690574.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2026-01-27
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

The new energy excavator has an enlarged slewing platform to accommodate various components, resulting in an oversized overall machine that is difficult to operate in confined spaces.

Method used

The power supply components, controllers, and hydraulic tanks are installed on the main frame of the slewing platform. The counterweight area replaces the traditional counterweight position of the excavator, and the longitudinal connection strength of the frame is enhanced by the extension structure of the left and right side plates. The power centralized control area is rationally laid out to optimize space utilization.

Benefits of technology

It achieves rational use of space, reduces the length and width of the rotating platform, adapts to the needs of construction in small spaces, enhances connection strength, and facilitates the installation and maintenance of components.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223838173U_ABST
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Abstract

The utility model provides an electrically-driven wheel excavator which comprises a rotary platform main frame, the rotary platform main frame comprises a frame, an excavator bucket connecting frame body is arranged at one end of the frame, a balance weight area is arranged at the other end of the frame, a driving area is arranged on the side, corresponding to the excavator bucket connecting frame body, of the rotary platform main frame, and a power centralized control area is arranged on the other side of the rotary platform main frame. And a power supply assembly, a controller and a hydraulic oil tank are arranged on the revolving platform main frame corresponding to the counterweight area. By means of the structure, the power source assembly, the controller and the hydraulic oil tank are arranged in the balance weight area of the rotary platform main frame, the position of a balance weight of a traditional excavator can be replaced, space utilization is more reasonable, and the function of saving space is achieved; the connecting strength of the frame in the longitudinal direction can be enhanced, the supporting strength of the balance weight area and the power concentration control area is improved, space is saved for a configuration area, and a power source assembly, a controller and a hydraulic oil tank can be conveniently installed.
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Description

Technical Field

[0001] This utility model relates to the field of electric drive wheeled excavator technology, and in particular to an electric drive wheeled excavator. Background Technology

[0002] Traditional hydraulic and fuel-powered excavators typically provide mounting points for the engine, fuel tank, hydraulic oil tank, main valve, and radiator on their slewing platforms. However, newly developed new energy excavators on the market are powered by electric motors and batteries. Therefore, the structure of the slewing platform of new energy excavators has been adjusted accordingly to accommodate the installation of the electric motor, battery, and other components.

[0003] However, in order to ensure the installation of various components, the length and width of the entire slewing platform of current new energy excavators have been increased. This increases the overall external space of the machine, making it too large to work in areas with limited space. Utility Model Content

[0004] This utility model discloses an electrically driven wheeled excavator, which mainly solves the problem of increasing the size of the entire slewing platform in order to ensure the installation of various components in new energy excavators.

[0005] To achieve the aforementioned objective, the technical solution of this utility model is implemented as follows:

[0006] This utility model provides an electrically driven wheeled excavator, including a slewing platform main frame. The slewing platform main frame includes a frame, one end of which is provided with a bucket connecting frame, and the other end is provided with a counterweight area. The slewing platform main frame is provided with a driver's area on one side corresponding to the bucket connecting frame and a centralized power control area on the other side. The slewing platform main frame is provided with a power supply component, a controller and a hydraulic oil tank at the position corresponding to the counterweight area.

[0007] The bucket connecting frame includes a connecting shaft. The main frame of the rotary platform is provided with a left side plate and a right side plate at both ends of the connecting shaft. The connecting shaft is rotatably connected to the same end of the left side plate and the right side plate. The other end of the left side plate passes through the counterweight area and is connected to the frame. The other end of the right side plate extends to the edge of the counterweight area and gradually bends towards the direction of the power centralized control area.

[0008] In one embodiment, a counterweight connection structure is installed on the frame at the position corresponding to the counterweight area. The counterweight connection structure includes a crossbeam connected to the frame. A plurality of spaced support rods are arranged on the frame at the position corresponding to the counterweight area. One end of each support rod is connected to the crossbeam and the other end is connected to the frame. The battery pack assembly of the power supply component is mounted on the support rod. A partition is provided on the lower surface of the frame corresponding to the support rod.

[0009] In one embodiment, the centralized power control area includes a radiator, a power motor, a centralized solenoid valve for hydraulic pipelines, and a power hydraulic pump. The hydraulic oil tank is connected to the centralized solenoid valve for hydraulic pipelines via the power hydraulic pump.

[0010] In one embodiment, the frame is provided with a power connector at the position corresponding to the power centralized control area, and the power connector is provided with a first mounting plate at the position corresponding to the radiator and the power hydraulic pump. The radiator and the power hydraulic pump are respectively mounted on the first mounting plate. The power connector is provided with a second mounting plate at the position corresponding to the power motor and the hydraulic pipeline centralized solenoid valve. The power motor and the hydraulic pipeline centralized solenoid valve are respectively mounted on the second mounting plate.

[0011] In one embodiment, the frame is provided with a tank mounting rod at the bottom of the hydraulic oil tank, and the hydraulic oil tank is mounted on the tank mounting rod.

[0012] In one embodiment, the frame and the left side panel are each provided with a driver's cab connecting seat at one of the four corners of the driver's area.

[0013] In one embodiment, a protective frame is provided at the position corresponding to the counterweight area of ​​the frame. The protective frame includes a height support frame connected to the frame, and a longitudinal protective frame and a transverse protective frame are connected to the top of the height support frame.

[0014] In one embodiment, a rotation area is provided between the left side plate and the right side plate.

[0015] The advantages or beneficial effects of the above technical solution include at least the following: setting the power supply components, controllers and hydraulic oil tanks in the counterweight area of ​​the main frame of the slewing platform can replace the traditional counterweight position of the excavator, making more rational use of the space in this position and saving space. With the extension structure of the left and right side plates set on the frame, the connection strength in the longitudinal direction of the frame can be enhanced, and the support strength of the counterweight area and the power centralized control area can be increased, saving space in the configuration area and facilitating the installation of the power supply components, controllers and hydraulic oil tanks. Attached Figure Description

[0016] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification.

[0017] Figure 1 A schematic diagram of the slewing platform main frame of an electrically driven wheeled excavator according to an exemplary embodiment of the present invention is shown;

[0018] Figure 2 A top view schematic diagram of the main frame of a rotary platform according to an exemplary embodiment of the present invention is shown;

[0019] Figure 3 A schematic diagram of the main frame of a rotary platform according to an exemplary embodiment of the present invention is shown;

[0020] Figure 4 A top view schematic diagram of a frame according to an exemplary embodiment of the present invention is shown;

[0021] Figure 5 A schematic diagram of a framework according to an exemplary embodiment of the present invention is shown.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Main frame of the slewing platform;

[0024] 11. Frame; 12. Bucket connecting frame; 121. Connecting shaft; 122. Left side plate; 123. Right side plate; 13. Counterweight connecting structure; 131. Crossbeam; 132. Support rod; 133. Partition plate;

[0025] 14. Power connector; 141. First mounting plate; 142. Second mounting plate; 15. Fuel tank mounting rod; 16. Driver's cab connecting seat; 17. Protective frame; 171. Height support rod frame; 172. Longitudinal protective rod frame; 173. Lateral protective rod frame;

[0026] 2. Counterweight area;

[0027] 3. Driver's area;

[0028] 4. Centralized power control area;

[0029] 41. Radiator; 42. Power motor; 43. Centralized solenoid valve for hydraulic pipelines; 44. Power hydraulic pump;

[0030] 5. Power supply components;

[0031] 6. Controller;

[0032] 7. Hydraulic oil tank;

[0033] 8. Turning area. Detailed Implementation

[0034] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0035] It should be noted that, where there is no conflict, the embodiments and features described in these embodiments can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0036] The term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0037] It should be noted that the terms "a" and "a plurality of" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0038] The names of the messages or information exchanged between the multiple devices in this embodiment of the invention are for illustrative purposes only and are not intended to limit the scope of these messages or information.

[0039] See Figures 1 to 5 The present invention provides an electrically driven wheeled excavator, including a slewing platform main frame 1, the slewing platform main frame 1 including a frame 11, one end of the frame 11 is provided with a bucket connecting frame 12, and the other end is provided with a counterweight area 2. The slewing platform main frame 1 is provided with a driving area 3 on one side corresponding to the bucket connecting frame 12, and a power centralized control area 4 on the other side. The slewing platform main frame 1 is provided with a power supply component 5, a controller 6 and a hydraulic oil tank 7 at the position corresponding to the counterweight area 2.

[0040] The bucket connecting frame 12 includes a connecting shaft 121. The main frame 1 of the rotary platform is provided with a left side plate 122 and a right side plate 123 at both ends corresponding to the connecting shaft 121. The connecting shaft 121 is rotatably connected to the same end of the left side plate 122 and the right side plate 123. The other end of the left side plate 122 passes through the counterweight area 2 and is connected to the frame 11. The other end of the right side plate 123 extends to the edge of the counterweight area 2 and gradually bends towards the power centralized control area 4.

[0041] With the above structure, the power supply component 5, controller 6 and hydraulic oil tank 7 are installed in the counterweight area 2 of the main frame 1 of the slewing platform. This allows them to replace the traditional counterweight position of the excavator, making more rational use of the space and saving space. The extension structure of the left side plate 122 and the right side plate 123 on the frame 11 can enhance the connection strength of the frame 11 in the longitudinal direction and increase the support strength of the counterweight area 2 and the power centralized control area 4, saving space in the configuration area 2 and facilitating the installation of the power supply component 5, controller 6 and hydraulic oil tank 7.

[0042] In one embodiment, see Figures 2 to 5 A counterweight connection structure 13 is installed on the frame 11 at the position corresponding to the counterweight area 2. The counterweight connection structure 13 includes a crossbeam 131 connected to the frame 11. Multiple spaced support rods 132 are arranged on the frame 11 at the position corresponding to the counterweight area 2. One end of each support rod 132 is connected to the crossbeam 131, and the other end is connected to the frame 11. The battery pack assembly of the power supply component 5 is mounted on the support rod 132. A partition 133 is provided on the lower surface of the frame 11 corresponding to the support rod 132. In practical applications, the crossbeam 131 enhances the lateral connection strength of the frame 11, and the multiple spaced support rods 132 provide a connection structure for the power supply component 5, facilitating installation and disassembly of the power supply component 5 and making maintenance of the power supply component 5 more convenient and faster.

[0043] In one embodiment, see Figures 2 to 5 The centralized power control area 4 includes a radiator 41, a power motor 42, a centralized solenoid valve 43 for hydraulic lines, and a power hydraulic pump 44. The hydraulic oil tank 7 is connected to the centralized solenoid valve 43 for hydraulic lines via the power hydraulic pump 44. In practical applications, configuring the radiator 41, power motor 42, centralized solenoid valve 43 for hydraulic lines, and power hydraulic pump 44 in the centralized power control area 4 facilitates the centralization of various hydraulic lines in this area, thereby enabling centralized arrangement, connection, control, and maintenance of various components, further saving space.

[0044] A power connector 14 is provided on the frame 11 corresponding to the position of the centralized power control area 4. A first mounting plate 141 is provided on the power connector 14 corresponding to the positions of the radiator 41 and the hydraulic pump 44. The radiator 41 and the hydraulic pump 44 are respectively mounted on the first mounting plate 141. A second mounting plate 142 is provided on the power connector 14 corresponding to the positions of the power motor 42 and the centralized solenoid valve 43 of the hydraulic pipeline. The power motor 42 and the centralized solenoid valve 43 of the hydraulic pipeline are respectively mounted on the second mounting plate 142. In practical applications, the arrangement of the first mounting plate 141 and the second mounting plate 142 facilitates the installation and disassembly of the radiator 41, the power motor 42, the centralized solenoid valve 43 of the hydraulic pipeline, and the hydraulic pump 44, thereby facilitating centralized management and maintenance of the pipelines between the various components.

[0045] In one embodiment, see Figures 3 to 5 The frame 11 has a tank mounting rod 15 at the bottom corresponding to the hydraulic oil tank 7, and the hydraulic oil tank 7 is mounted on the tank mounting rod 15. In practical applications, the installation and removal of the hydraulic oil tank 7 is facilitated by the tank mounting rod 15.

[0046] Each of the four corners of the driver's area 3, corresponding to the frame 11 and the left side panel 122, is provided with a driver's cab connecting seat 16. In practical applications, the driver's cab connecting seat 16 facilitates the installation and removal of the driver's cab.

[0047] A protective frame 17 is provided at the position corresponding to the counterweight area 2 on the frame 11. The protective frame 17 includes a height support rod 171 connected to the frame 11, and a longitudinal protective rod 172 and a transverse protective rod 173 are connected to the top of the height support rod 171. In practical applications, the height support rod 171, the longitudinal protective rod 172, and the transverse protective rod 173 of the protective frame 17 can protect the power supply assembly 5 around the counterweight area 2.

[0048] A slewing area 8 is provided between the left side plate 122 and the right side plate 123. In practical applications, the positioning of the slewing area 8 allows for a more rational design of the slewing position of the main frame 1 of the slewing platform.

[0049] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0050] Those skilled in the art should understand that the above embodiments are merely for clearly illustrating the present invention and are not intended to limit the scope of the present invention. For those skilled in the art, other changes or modifications can be made based on the above-described invention, and these changes or modifications still fall within the scope of the present invention.

Claims

1. An electrically driven wheeled excavator, characterized in that, The system includes a slewing platform main frame, which includes a frame. One end of the frame is provided with a bucket connecting frame, and the other end is provided with a counterweight area. The slewing platform main frame is provided with a driver's area on one side corresponding to the bucket connecting frame and a centralized power control area on the other side. The slewing platform main frame is provided with a power supply unit, a controller, and a hydraulic oil tank at the position corresponding to the counterweight area. The bucket connecting frame includes a connecting shaft. The main frame of the rotary platform is provided with a left side plate and a right side plate at both ends of the connecting shaft. The connecting shaft is rotatably connected to the same end of the left side plate and the right side plate. The other end of the left side plate passes through the counterweight area and is connected to the frame. The other end of the right side plate extends to the edge of the counterweight area and gradually bends towards the direction of the power centralized control area.

2. The electrically driven wheeled excavator as described in claim 1, characterized in that, The frame is equipped with a counterweight connection structure at the position corresponding to the counterweight area. The counterweight connection structure includes a crossbeam connected to the frame. The frame is provided with multiple spaced support rods at the position corresponding to the counterweight area. One end of the support rod is connected to the crossbeam and the other end is connected to the frame. The battery pack assembly of the power component is installed on the support rod. The frame is provided with a partition on the lower surface corresponding to the support rod.

3. The electrically driven wheeled excavator as described in claim 1, characterized in that, The centralized power control area includes a radiator, a power motor, a centralized solenoid valve for hydraulic pipelines, and a power hydraulic pump. The hydraulic oil tank is connected to the centralized solenoid valve for hydraulic pipelines via the power hydraulic pump.

4. The electrically driven wheeled excavator as described in claim 3, characterized in that, The frame is provided with a power connector at the position corresponding to the power centralized control area. The power connector is provided with a first mounting plate at the position corresponding to the radiator and the power hydraulic pump. The radiator and the power hydraulic pump are respectively mounted on the first mounting plate. The power connector is provided with a second mounting plate at the position corresponding to the power motor and the centralized solenoid valve of the hydraulic pipeline. The power motor and the centralized solenoid valve of the hydraulic pipeline are respectively mounted on the second mounting plate.

5. The electrically driven wheeled excavator as described in claim 1, characterized in that, The frame is provided with a tank mounting rod at the bottom corresponding to the hydraulic oil tank, and the hydraulic oil tank is mounted on the tank mounting rod.

6. The electrically driven wheeled excavator as described in claim 1, characterized in that, The frame and the left side panel are each provided with a driver's cab connecting seat at one of the four corners of the driver's area.

7. The electrically driven wheeled excavator as described in claim 1, characterized in that, The frame is equipped with a protective structure at the position corresponding to the counterweight area. The protective structure includes a height support frame connected to the frame, and a longitudinal protective frame and a transverse protective frame are connected to the top of the height support frame.

8. The electrically driven wheeled excavator as described in claim 1, characterized in that, A turning area is provided between the left and right side plates.