CN219509715U

CN219509715U - Portable plug-in structure of working machine and working machine

Info

Publication number: CN219509715U
Application number: CN202320908560.1U
Authority: CN
Inventors: 马云超; 张加丽; 赵建国; 刘亚
Original assignee: Xuzhou Heavy Machinery Co Ltd
Current assignee: Xuzhou Heavy Machinery Co Ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-11
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a portable power-on structure of an operation machine and the operation machine, and aims to solve the technical problems of low economic benefit, heavy pollution, limited application range and high cost of the mechanical purchasing machine of the oil-electricity hybrid operation industry in the prior art. The device comprises an engine, a gearbox, a power takeoff, a power take-off transmission shaft, an oil pump and an electric transmission assembly, wherein the gearbox is connected with the output end of the engine; one end of the power taking transmission shaft is detachably connected with the power taking device, the other end of the power taking transmission shaft is detachably connected with the oil pump, the electric transmission assembly is an external assembly and is detachably connected with the machine body of the working machine, and the power output end of the electric transmission assembly can be detachably connected with the oil pump; the input end of the electric transmission component can be connected with a power supply. The utility model can quickly assemble the power plug-in system on the operation machine, one power plug-in system can be used by a plurality of operation machines, the use frequency of the power plug-in system can be improved, the cost of purchasing machines by users is reduced, the application range is wide, and the application is flexible.

Description

Portable plug-in structure of working machine and working machine

Technical Field

The utility model relates to a portable power-on structure of a working machine and the working machine, and belongs to the technical field of engineering machines.

Background

The traditional operation machinery mostly uses diesel oil or natural gas engine as power source, the fuel utilization rate is low, the economic benefit is bad, and there are great operation noise and environmental pollution, do not accord with the national energy-saving emission-reducing long-term development goal, bring higher use cost for users too. As shown in fig. 1, typical work machine hydraulic transmission paths are: the device comprises an engine, a gearbox, a power takeoff transmission shaft, an oil pump and an operating system; the transmission process is that the engine is started, the power take-off switch is operated to hang the power take-off, the engine drives the internal gear of the gearbox to rotate, the power take-off device is driven by the internal gear of the gearbox to rotate, the power take-off transmission shaft is driven, the power is transmitted to the oil pump, and the consumed energy is diesel oil or natural gas and the like combusted by the engine.

The electric operation accords with the national new energy development trend, has no noise and emission pollution, and can save the operation cost. However, most of the existing working machines adopt a single fuel-gas engine or a single motor drive, or the engine and the motor drive are integrated, and the whole set of power-on system is fixedly arranged on the working machine.

However, the working machines are usually operated for a long time in a fixed place, the construction time in the same place is long, only a part of conditions of utilizing the power supply of the construction place are provided, and the same user often has a plurality of similar working machines, such as each of which is added with a plug-in operation function, so that the purchase cost of the user is high, and not every construction place has a proper power supply to be utilized, so that the function waste is easily caused.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a portable power plug-in structure and a working machine, wherein a power taking transmission shaft of the traditional working machine is designed to be of a detachable structure, meanwhile, an electric transmission assembly is designed to be an external assembly and is provided with an easily detachable structure, and when the power source condition is met, the power taking transmission shaft can be quickly removed and installed for electric driving operation, so that the traditional power working machine can be quickly and conveniently refitted into the power plug-in working machine, and the power plug-in structure is convenient and flexible to use, wide in application and low in application cost.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the portable power-inserting structure of the working machine comprises an engine, a gearbox connected with the output end of the engine, a power takeoff connected with the output end of the gearbox, a power taking transmission shaft, an oil pump and an electric transmission assembly; one end of the power taking transmission shaft is detachably connected with the power taking device, the other end of the power taking transmission shaft is detachably connected with the oil pump, the electric transmission assembly is a peripheral assembly and is detachably connected with the machine body of the working machine, and the power output end of the electric transmission assembly can be detachably connected with the oil pump; the input end of the electric transmission component can be connected with a power supply. When the power-on operation can be used, the power-taking transmission shaft is removed, and the power transmission assembly is installed and connected with a power supply, namely, the power-on operation machine is modified.

Further, the electric transmission assembly comprises a driving motor and a gear mechanism, wherein the driving motor can be connected with the power supply, a driving gear of the gear mechanism is connected with the output end of the driving motor, and a driven gear of the gear mechanism is detachably arranged on the working machine body and detachably connected with the oil pump. The gear teeth are used for meshing and transmitting power, so that the transmission power range is large, the efficiency is high, the transmission ratio is accurate, and the work is safe and reliable.

Further, two ends of the power taking transmission shaft are respectively connected with the power taking device and the oil pump through keys; a transmission shaft is arranged between the driven wheel of the gear mechanism and the oil pump, and two ends of the transmission shaft are respectively connected with the driven wheel of the gear mechanism and the oil pump through keys.

The engine, the gearbox, the power takeoff, the power take-off transmission shaft and the oil pump form a first hydraulic passage; the power supply, the driving motor, the gear mechanism, the transmission shaft and the oil pump form a second hydraulic passage.

Further, the output end of the power takeoff is provided with a spline shaft, the end part of the oil pump is provided with the spline shaft, the driven gear of the gear mechanism is provided with the spline shaft, and the power takeoff transmission shaft and the transmission shaft are of spline sleeve structures. The detachable structure of integral key shaft, spline housing is designed in unison, easy dismounting is swift.

Further, the power supply is a power grid and/or a battery pack.

Further, a control module is arranged between the electric transmission assembly and the power supply.

The utility model also discloses a working machine, which is provided with the portable power plug-in structure of the working machine.

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

1. the portable power plug-in structure of the working machine and the working machine can enable the traditional power working machine to be quickly and conveniently refitted into the power plug-in power working machine, the power plug-in system is additionally arranged on the traditional working machine, the working scheme of the traditional working machine can not be influenced, the problem that the application range of the pure electric working machine is limited due to the power counterweight condition is avoided, the conversion is flexible, and the application range of the working machine is wide.

2. The portable power-on structure of the working machine and the working machine can enable one power-on system to be used by a plurality of working machines, the power-on system does not need to be configured for each working machine, a user can purchase as few power-on systems as possible for the plurality of working machines to be used under the condition of conforming to power-on, the use frequency of the power-on systems is improved, the function waste is avoided, and the cost of purchasing machines is reduced.

Drawings

FIG. 1 is a diagrammatic illustration of a typical work machine hydraulic transmission path;

FIG. 2 is a schematic illustration of a portable electrical power insertion structure for a work machine according to the present disclosure;

FIG. 3 is a schematic illustration of a second hydraulic path power transmission path of a portable power-on configuration for a work machine in accordance with the present utility model;

FIG. 4 is a schematic diagram illustrating an installation sequence of one embodiment of a portable power-on configuration for a work machine according to the present utility model;

in the figure: 1. an engine; 2. a gearbox; 3. a power take-off; 4. a power take-off transmission shaft; 5, an oil pump; 6. an electric drive assembly; 7. a power supply; 8. a control module; 9. a first spline shaft; 10. a second spline shaft; 11. a third spline shaft; 12. a body; 61. a drive motor, 62. A gear mechanism; 621. a drive gear; 622. a driven gear; 63. and a transmission shaft.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The portable power-on structure of the working machine can be used for refitting the traditional working machine into the power-on type working machine, and can be conveniently recovered into the traditional working machine without affecting the traditional working scheme, and one power-on system can be used for a plurality of working machines according to actual requirements, so that the technical problems that the traditional working machine is low in economic benefit and heavy in pollution, the electric working machine is limited in application range due to the limitation of site power conditions, and the purchase cost is high due to the fact that each power-on system is fixedly arranged in each power-on system of the oil-electricity hybrid working machine, and functions cannot be fully utilized are solved.

The utility model provides a portable power-on structure of a working machine, which enables the working machine to be provided with a first hydraulic passage and a second hydraulic passage, wherein the first hydraulic passage is driven by a gas engine or a fuel engine, the second hydraulic passage is driven by electricity, partial components of the second hydraulic passage are peripheral components and are detachably connected with the working machine, and meanwhile, the partial components of the first hydraulic passage are detachable, so that the partial components of the first hydraulic passage can be detached when the second hydraulic passage is needed to be used, and the components of the second hydraulic passage are installed. The components of the second hydraulic passage do not need to be arranged on the working machine in advance, can be installed on the working machine at any time when the hydraulic passage is required to be used and has the use condition, and the hydraulic passage is convenient and flexible to use, wide in application and low in application cost.

As shown in fig. 1-4, in some embodiments of the present disclosure, an assembly of a first hydraulic passage of a work machine includes: the engine 1, the gearbox 2, the power takeoff 3, the power takeoff transmission shaft 4 and the oil pump 5; the output of engine 1 is connected with the input of gearbox 2, and the output of gearbox 2 is connected with power takeoff 3, and the output of power takeoff 3 is connected with power take-off transmission shaft 4, and power take-off transmission shaft 4 is detachable part, and its both ends can be dismantled with power takeoff 3 and oil pump 5 respectively and be connected. The components of the second hydraulic passage comprise a power supply 7, an electric transmission component 6 and an oil pump 5, wherein the power supply 7 and the electric transmission component 6 are peripheral components, the input end of the electric transmission component 6 can be connected with the power supply 7, the electric transmission component 6 is detachably mounted with the working machine, and the output end of the electric transmission component 6 is detachably connected with the oil pump 5.

When the power supply 7 required by the plug-in type working machine is arranged in the construction product of the working machine, a second hydraulic passage can be used for replacing the first hydraulic passage to work, specifically, the detachable part power taking transmission shaft 4 serving as a first hydraulic passage assembly is detached, then the electric transmission assembly 6 serving as a second hydraulic passage assembly is arranged on the working machine body 12, the oil pump 5 is connected with the output end of the electric transmission assembly 6, the input end of the electric transmission assembly 6 is connected with the power supply 7 of the working site, and the traditional working machine is converted into the plug-in type working machine; in the actual engineering project, because the construction site conditions are different, the portable plug-in structure of the working machine only has the condition of using the power supply 7 under partial conditions, the portable plug-in structure of the working machine can conveniently change the traditional working machine into the plug-in working machine under the plug-in condition, and the related components can be removed to restore the traditional working machine under the condition of not having the plug-in condition, and peripheral components can be shared among similar traditional working machines, so that the whole set of plug-in working components are not required to be equipped for each operation, the portable plug-in structure of the working machine is flexible in application and low in application cost.

In some embodiments of the present utility model, the power transmission assembly 6 includes a gear mechanism 62 and a driving motor 61, the driving motor 61 is mounted on the body 12 of the working machine, an input end of the driving motor 61 is connected to the power supply 7, and a control module 8 may be disposed between the driving motor 61 and the power supply 7 for connecting and controlling the driving motor 61 and the power supply 7, the control module 8 mainly including ACDC, a motor controller, a high voltage harness, a socket, and the like; the output end of the driving motor 61 is connected with a driving gear 621 of the gear mechanism 62, a driven gear 622 of the gear mechanism 62 can be mounted on the machine body 12 of the working machine through a mounting seat and is connected with the oil pump 5 through a transmission shaft 63; the electric transmission assembly 6 is used as a peripheral assembly part, and the driving motor 61, the driven gear 622 and the machine body 12 are detachably connected, and the driven gear 622, the transmission shaft 63 and the oil pump 5 are detachably connected. In this embodiment, the power transmission path of the first hydraulic path is an engine 1, a gearbox 2, a power take-off 3, a power take-off transmission shaft 4 and an oil pump 5; the power transmission path of the second hydraulic passage is the power supply 7, the control module 8, the drive motor 61, the gear mechanism 62, the transmission shaft 63, and the oil pump 5 (see fig. 3). Furthermore, the power source 7 may be a power grid, a battery pack, or a combination of both; the drive shaft 63 can directly use the take-off drive shaft 4 in the assembly of the first hydraulic circuit in case of compliance with the use conditions; the driven gear 622 and the oil pump 5 are not limited to be connected by the transmission shaft 63, and other structures may be used as long as the safe and reliable connection between the two can be realized.

In some embodiments of the present utility model, for easy and quick assembly and disassembly, the power take-off transmission shaft 4 is connected with the power take-off device 3 and the oil pump 5 by a key, and the driven gear 622, the transmission shaft 63 and the oil pump 5 are also connected by a key; a first spline shaft 9 can be arranged at the output end of the power takeoff 3, a second spline shaft 10 is arranged at the end part of the oil pump 5, and the power takeoff 3 is connected with the oil pump 5 by adopting a spline housing structure through the power takeoff 4; meanwhile, the driven gear 622 is connected with the third spline shaft 11, the transmission shaft 63 also adopts a spline housing structure, and two ends of the spline housing are limited by spiral springs or elastic check rings.

As shown in fig. 4, an installation process of one embodiment of the portable power plug-in structure of the working machine provided by the utility model is as follows: when the work machine needs the plug-in function, 1) the original power taking transmission shaft 4 is dismantled; 2) Fixing the driven gear 622 to the vehicle body structure; 3) Hoisting the driving motor 61 to the working position, ensuring that the driving gear 621 meshes with the driven gears 622, and fixing the driving motor 61; 4) The driven gear 622 is connected with the oil pump 5 by the power taking transmission shaft 4; 5) The power grid or battery, the control module 8, and the drive motor 61 harness are connected. The removal process is reversed.

The utility model also provides a working machine, which uses the portable power-on structure of the working machine in any embodiment, so that one power-on system can be used for a plurality of working machines according to actual requirements, the use frequency of the power-on system can be improved, the application is more flexible and wide, the power-on system does not need to be fixedly installed on each working machine, and the machine purchasing cost of a user can be reduced.

In the embodiment provided by the utility model, the working machine can be a crane or other equipment, so long as the portable plug-in structure of the working machine can be used.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The portable power-on structure of the working machine is characterized by comprising an engine, a gearbox connected with the output end of the engine, a power takeoff connected with the output end of the gearbox, a power take-off transmission shaft, an oil pump and an electric transmission assembly; one end of the power taking transmission shaft is detachably connected with the power taking device, the other end of the power taking transmission shaft is detachably connected with the oil pump, the electric transmission assembly is a peripheral assembly and is detachably connected with the machine body of the working machine, and the power output end of the electric transmission assembly can be detachably connected with the oil pump; the input end of the electric transmission component can be connected with a power supply.

2. The portable power pack of claim 1, wherein the power transmission assembly includes a drive motor connectable to the power source and a gear mechanism, a drive gear of the gear mechanism being connected to the drive motor output, and a driven gear of the gear mechanism being removably mounted to the work machine body and removably connected to the oil pump.

3. The portable power-on structure of a working machine according to claim 2, wherein both ends of the power take-off transmission shaft are respectively connected with the power take-off and the oil pump key; a transmission shaft is arranged between the driven wheel of the gear mechanism and the oil pump, and two ends of the transmission shaft are respectively connected with the driven wheel of the gear mechanism and the oil pump through keys;

4. The portable power-on structure of the working machine according to claim 3, wherein the output end of the power take-off is provided with a spline shaft, the end part of the oil pump is provided with a spline shaft, the driven gear of the gear mechanism is provided with a spline shaft, and the power take-off transmission shaft and the transmission shaft are of a spline housing structure.

5. The portable power-on structure of any one of claims 1-4, wherein the power source is a power grid and/or a battery.

6. The portable power pack of claim 5, wherein a control module is disposed between the power transmission assembly and the power source.

7. A work machine having a portable power-on structure according to any one of claims 1 to 6.