CN215256469U

CN215256469U - Novel power system based on diesel engine rear end direct-drive hydraulic pump

Info

Publication number: CN215256469U
Application number: CN202120864289.7U
Authority: CN
Inventors: 农景森; 黄文�; 韦衍
Original assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Current assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-21
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a novel power system based on a direct-drive hydraulic pump at the rear end of a diesel engine, which comprises a base, a hydraulic pump assembly arranged on the base, a generator assembly and a diesel engine assembly, the diesel engine assembly is arranged on one side of the base, a water tank radiator is arranged at the front end of the diesel engine assembly, a rotating shaft at the rear end of the diesel engine assembly is in transmission connection with a power input end of the generator assembly, the rear end of the generator assembly is in transmission connection with the input end of the hydraulic pump assembly, the hydraulic pump assembly comprises a hydraulic pump, a connecting flange and a coupling, the input end shell of the hydraulic pump is fixedly connected with the rear end shell of the generator assembly through a connecting flange, and the rear-end output shaft of the generator assembly is in transmission connection with the input end of the hydraulic pump through a coupler. The utility model discloses can move the electricity generation steadily, not only save cost and space, still conveniently maintain and maintain.

Description

Novel power system based on diesel engine rear end direct-drive hydraulic pump

Technical Field

The utility model belongs to the technical field of engineering machine tool power, in particular to a power technology for removing broken station especially relates to a novel driving system based on diesel engine rear end directly drives hydraulic pump.

Background

At present, when most of mobile crushing stations are basically far away from cities, towns and villages in the field to work, the pulling connection of a power supply is inconvenient, the pulling connection of a mains supply is long, the cost is high, and the pulling connection of the mains supply is long, even the whole project schedule is influenced. In the field of mobile crushing engineering machinery, diesel generator sets are mostly independently adopted to directly provide power for engineering mechanical equipment, a power generation unit is used for driving a hydraulic pump to drive a generator to supply power to a motor by using a diesel engine, the motor drives the hydraulic pump, and the hydraulic pump drives a hydraulic system consisting of hydraulic elements such as a hydraulic oil tank, a hydraulic control valve group, a pipeline filter and a battery pack. How to design a suitable power system for solving the above problems is of great practical significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel driving system based on hydraulic pump is directly driven to diesel engine rear end, according to the utility model discloses a driving system can move the electricity generation steadily, not only save cost and space, has improved the space usage rate, still conveniently maintains and maintains. In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to the utility model discloses an aspect provides a novel driving system based on hydraulic pump is directly driven to diesel engine rear end, driving system includes the base, sets up hydraulic pump assembly, generator assembly and the diesel engine assembly on the base one side of base sets up the diesel engine assembly the front end of diesel engine assembly is provided with the water tank radiator, the axis of rotation of diesel engine assembly rear end is connected with the power input end transmission of generator assembly, the rear end of generator assembly with the transmission of hydraulic pump assembly input is connected.

According to the scheme, the hydraulic pump assembly is further preferred to comprise a hydraulic pump, a connecting flange and a coupler, the input end shell of the hydraulic pump is fixedly connected with the rear end shell of the generator assembly through the connecting flange, the coupler is arranged in the connecting flange, and the rear end output shaft of the generator assembly is in transmission connection with the input end of the hydraulic pump through the coupler.

The further preferred of above-mentioned scheme, flange includes left annular flange disk body, right annular flange disk body and vertical support rib, the rear end shell of generator assembly with the right quotation fixed connection of right annular flange disk body, the input shell of hydraulic pump with the left quotation fixed connection of left annular flange disk body, through many vertical support rib interconnect between the circumference lateral wall of the right quotation of left annular flange disk body and right annular flange disk body, set up in the space that vertical support rib formed the shaft coupling, wherein, the one end of shaft coupling is connected on the rear end output shaft of generator assembly, the other end of shaft coupling is connected on the input shaft of hydraulic pump.

In a further preferred embodiment of the present invention, a plurality of notches are formed along the circumference of the right annular flange plate body at intervals, a plurality of fixing holes are formed in the plate surface between the inner ring edge of the right annular flange plate body and the notches, one end of each longitudinal support rib is fixed in each notch, the other end of each longitudinal support rib is fixed on the right plate surface of the left annular flange plate body, and a plurality of transverse support ribs are formed between adjacent longitudinal support ribs.

The above scheme is further preferred, the other side of the base is provided with a battery pack and a hydraulic oil tank which are distributed on the base from left to right, an oil return filter is arranged above the hydraulic oil tank, the battery pack is arranged on the base close to one side of the front end of the diesel engine assembly, and the output end of the hydraulic oil tank is communicated with the hydraulic pump assembly through an oil way.

The further preferred of above-mentioned scheme is provided with oil return transition joint and hydraulic control valves on diesel engine assembly rear end and the base that is close to hydraulic pump assembly one side the oil return filter, it is a plurality of respectively parallel connection on the hydraulic oil output pipeline of hydraulic pump assembly the hydraulic control valves, every hydraulic control valves hydraulic oil input port with communicate each other through oil return transition joint between the hydraulic oil output pipeline of hydraulic pump assembly, the oil return delivery outlet of every hydraulic control valves pass through the oil circuit through the oil return filter with hydraulic tank's backward flow mouth communicates each other.

According to the scheme, the air filter and the turbocharger are arranged above the diesel engine assembly, the output end of the air filter is communicated with the input end of the turbocharger, and the turbocharger is communicated with the diesel engine assembly through the conveying pipe and the water tank radiator.

Above-mentioned scheme is further preferred, is provided with the cooling tube in the water tank radiator, turbo charger's output passes through the conveyer pipe and communicates with the input of cooling tube, the output of this cooling tube with diesel engine assembly communicates.

To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:

the utility model does not need to use the motor to drive the hydraulic pump, directly drives the hydraulic pump through the rear end of the diesel engine, saves the motor, passes through the flange plate for the hydraulic pump, and the shaft coupling is fixed at the rear end of the generator and is coaxially connected with the generator, so that the mechanical energy transmitted by the diesel engine drives the generator and the hydraulic pump to work together, thereby saving space and cost, enlarging the internal space of the power box body loading the power system, and being beneficial to entering the power box body to maintain the power system; the utility model discloses can not only guarantee whole generator assembly steady operation electricity generation, provide working power supply for portable breaker equipment to improve the efficiency of portable breaker equipment operation, pollution abatement and reduce cost, operation safe and reliable.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a novel power system based on a direct-drive hydraulic pump at the rear end of a diesel engine;

fig. 2 is a schematic view of an installation structure of a novel power system based on a direct-drive hydraulic pump at the rear end of a diesel engine;

fig. 3 is a schematic view of a connection structure of the generator assembly and the hydraulic pump assembly of the present invention;

fig. 4 is a schematic structural view of the connecting flange of the present invention;

fig. 5 is a schematic structural view of a right annular flange plate body of the present invention;

in the drawing, a hydraulic pump assembly 1, a connecting flange 2, a coupler 3, a generator assembly 4, a diesel engine assembly 5, a water tank radiator 6, a base 7, a battery pack 8, a hydraulic oil tank 9, an oil return transition joint 11, a hydraulic control valve group 12, a left annular flange disc body 20, a right annular flange disc body 21, a longitudinal support rib 22, a notch 23, an air filter 50, a turbocharger 51, a delivery pipe 52, a radiating pipe 60 and a hydraulic pump 100.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1 and fig. 2, according to the utility model provides a novel power system based on hydraulic pump is directly driven to diesel engine rear end, power system includes base 7, hydraulic pump assembly 1, generator assembly 4 and diesel engine assembly 5 that set up on base 7, set up diesel engine assembly 5 in one side of base 7, be provided with water tank radiator 6 in the front end of diesel engine assembly 5, the axis of rotation of diesel engine assembly 5 rear end is connected with the power input end transmission of generator assembly 4, the rear end of generator assembly 4 with hydraulic pump assembly 1 input end transmission is connected; the rear end of the diesel engine assembly 5 is connected with the hydraulic pump assembly 1 in a serial transmission mode sequentially through the generator assembly 4, the rear end of the diesel engine assembly 5 drives the generator assembly 4 to run at a high speed to achieve the purpose of stably applying work and generating power at a rotating speed and a torsion force, the rear end of the generator assembly 4 drives the hydraulic pump assembly 1 to work simultaneously when the generator assembly 4 generates power, hydraulic oil at the output end of the hydraulic oil tank 9 is conveyed to the hydraulic motor through the oil way hydraulic pump assembly 1, and high-pressure hydraulic oil is generated and is transmitted to the hydraulic motor when the movable crushing station is driven to walk.

In the utility model, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the hydraulic pump assembly 1 comprises a hydraulic pump 100, a connecting flange 2 and a coupling 3, an input end shell of the hydraulic pump 100 is fixedly connected with a rear end shell of a generator assembly 4 through the connecting flange, the coupling 3 is arranged in the connecting flange 2, a rear end output shaft of the generator assembly 4 is in transmission connection with an input end of the hydraulic pump 100 through the coupling 3, the connecting flange 2 comprises a left annular flange disc body 20, a right annular flange disc body 21 and longitudinal support ribs 22, the rear end shell of the generator assembly 4 is fixedly connected with a right disc surface of the right annular flange disc body 21, the input end shell of the hydraulic pump 100 is fixedly connected with a left disc surface of the left annular flange disc body 20, the right disc surface of the left annular flange disc body 21 is mutually connected with a circumferential side wall of the right annular flange disc body 21 through a plurality of longitudinal support ribs 22, the coupler 3 is arranged in a space formed by longitudinal support ribs 22, wherein one end of the coupler 3 is connected to a rear output shaft of a generator assembly 4, the other end of the coupler 3 is connected to an input shaft of a hydraulic pump 100, a plurality of notches 23 are arranged along the circumference of the right annular flange plate 21 at intervals, as shown in fig. 4 and 5, a plurality of fixing holes 24 are arranged on the plate surface between the inner ring edge of the right annular flange plate 21 and the notches 23, one end of each longitudinal support rib 22 is fixed in the notch 23, the other end of each longitudinal support rib 22 is fixed on the right plate surface of the left annular flange plate 20, a plurality of transverse support ribs (not shown) are arranged between adjacent longitudinal support ribs 22, and the outer wall of the rear end of the generator assembly 4 and the outer wall of the hydraulic pump 100 are fixed in series through a connecting flange 2, and the rear end output shaft of the generator assembly 4 is in transmission connection with the input shaft of the hydraulic pump 100 through the coupler 3, when the generator assembly 4 rotates to generate electricity, the coupler 3 rotates together at the rear end of the generator assembly, the hydraulic pump 100 is driven through the coupler 3, and the longitudinal support ribs 22 connect and reinforce the left annular flange disc body 20 and the right annular flange disc body 21 and play a role in protecting the coupler 3.

In the utility model, as shown in fig. 1, 2 and 3, the battery pack 8 and the hydraulic oil tank 9 distributed on the base 7 from left to right are respectively arranged on the other side of the base 7, the oil return filter 10 is arranged above the hydraulic oil tank 9, the battery pack 8 is arranged on the base 7 near one side of the front end of the diesel engine assembly 5, the output end of the hydraulic oil tank 9 is respectively communicated with the hydraulic pump assembly 1 through an oil path, the oil return transition joint 11 and the hydraulic control valve group 12 are arranged on the base 7 near one side of the hydraulic pump assembly 1 at the rear end of the diesel engine assembly 5, the oil return filter 10 is connected with a plurality of hydraulic control valve groups 11 in parallel on the hydraulic oil output pipeline of the hydraulic pump assembly 1, the hydraulic oil input ports of each hydraulic control valve group 12 are mutually communicated with the hydraulic oil output pipeline of the hydraulic pump assembly 1 through the oil return transition joint 11, the oil return output port of each hydraulic control valve group 12 is communicated with the return port of the hydraulic oil tank 9 through an oil way by an oil return filter 10, hydraulic oil is sent to the oil inlet of the hydraulic control valve group 12 from the oil outlet of the hydraulic pump 100, and then sent to a hydraulic motor or hydraulic cylinder control mobile crushing station for crushing work from the oil outlet of the hydraulic control valve group 12, the hydraulic oil which flows back after the hydraulic motor or hydraulic cylinder works returns to the hydraulic control valve group 12, the hydraulic oil is sent to a hydraulic oil cooler (not shown) by the return output port of the hydraulic control valve group 12, and then is sent into the hydraulic oil tank 9 through the oil return filter 10 after being cooled.

In the present invention, as shown in fig. 1, 2 and 3, an air cleaner 50 and a turbocharger 51 are disposed above the diesel engine assembly 5, an output end of the air cleaner 50 is communicated with an input end of the turbocharger 51, the turbocharger 51 is communicated with the diesel engine assembly 5 through a duct 52 and a water tank radiator 5, a radiating pipe 60 is disposed in the water tank radiator 6, an output end of the turbocharger 51 is communicated with an input end of the radiating pipe 60 through the duct 52, an output end of the radiating pipe 60 is communicated with the diesel engine assembly 5, the turbocharger 51 sucks external air through the air cleaner 50 after being started and filters the air, pressurizes the filtered air through the turbocharger, the pressurized air is heated, and at this time, the hot air is sent into the radiating pipe 60 in the water tank radiator 5 through the duct 52 to cool and radiate the air, and then the cooled clean air is sent into the diesel engine assembly 5, so that fuel oil is more fully combusted in the working process of the diesel engine in the diesel engine assembly 5.

In the present invention, as shown in fig. 1, 2 and 3, the working principle of the novel power system based on the diesel engine rear end direct-driven hydraulic pump of the present invention is further illustrated, the diesel engine assembly 5 drives the generator assembly 4 to rotate at a high speed, the output shaft at the rear end of the diesel engine assembly 5 is coaxially connected to the generator input shaft (rotor coaxial connection) of the generator assembly 4, the generator assembly 4 is driven to rotate during the rotation of the diesel engine assembly 5, so as to achieve the purpose of generating power by the generator assembly 4 obtaining stable rotation speed and torque force, at this time, the rear end of the generator assembly 4 is driven by the pressure pump assembly 1 to work and generate high-pressure hydraulic oil, the hydraulic pump 100 of the pressure pump assembly 1 sends the hydraulic oil therein into the hydraulic motor and other hydraulic cylinders of the crawler traveling system of the mobile crushing station, make hydraulic motor rotate under the drive of high-pressure hydraulic oil to make hydraulic motor produce powerful torsion, as the power that the track traveling system of the portable broken station of drive gos forward be provided with water tank radiator 6 and hydraulic oil cooler (not shown) on the rear end one side base of diesel engine assembly 5 respectively side by side, the high temperature hydraulic oil backward flow that hydraulic motor and pneumatic cylinder work produced is to hydraulic control valves 12, exports again and sends into after hydraulic oil cooler cooling, oil return filter in the hydraulic tank 9. The utility model discloses lie in need not using the motor to drive the hydraulic pump, directly drive the hydraulic pump through the diesel engine rear end, save the motor, pass through the ring flange to the hydraulic pump, the shaft coupling is fixed in the generator rear end, with generator coaxial coupling, makes the mechanical energy that the diesel engine transmission was come drive generator and hydraulic pump work together, saves space and cost. The water tank, the diesel engine, the generator and the hydraulic pump are adopted to form an in-line power unit, the power unit formed by compact in-line arrangement enables a power system to be compact, the cost is saved under the condition that a motor is not used, and the use efficiency of the mechanical energy of the diesel engine is also increased.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a novel driving system based on diesel engine rear end directly drives hydraulic pump which characterized in that: the power system comprises a base, a hydraulic pump assembly, a generator assembly and a diesel engine assembly, wherein the hydraulic pump assembly, the generator assembly and the diesel engine assembly are arranged on the base, one side of the base is provided with the diesel engine assembly, the front end of the diesel engine assembly is provided with a water tank radiator, a rotating shaft at the rear end of the diesel engine assembly is in transmission connection with the power input end of the generator assembly, and the rear end of the generator assembly is in transmission connection with the input end of the hydraulic pump assembly.

2. The novel power system based on the diesel engine rear end direct-drive hydraulic pump as claimed in claim 1, is characterized in that: the hydraulic pump assembly comprises a hydraulic pump, a connecting flange and a coupler, an input end shell of the hydraulic pump is fixedly connected with a rear end shell of the generator assembly through the connecting flange, the coupler is arranged in the connecting flange, and a rear end output shaft of the generator assembly is in transmission connection with an input end of the hydraulic pump through the coupler.

3. The novel power system based on the diesel engine rear end direct-drive hydraulic pump as claimed in claim 2, is characterized in that: the flange includes left annular flange disk body, right annular flange disk body and vertical support rib, the rear end shell of generator assembly with the right quotation fixed connection of right annular flange disk body, the input shell of hydraulic pump with the left quotation fixed connection of left annular flange disk body, through many vertical support rib interconnect between the circumference lateral wall of the right quotation of left annular flange disk body and right annular flange disk body, set up in the space that vertical support rib formed of strip the shaft coupling, wherein, the one end of shaft coupling is connected on the rear end output shaft of generator assembly, the other end of shaft coupling is connected on the input shaft of hydraulic pump.

4. The novel power system based on the diesel engine rear end direct-drive hydraulic pump as claimed in claim 3, is characterized in that: a plurality of notches are formed in the periphery of the right annular flange plate body at intervals, a plurality of fixing holes are formed in the plate surface between the inner ring edge of the right annular flange plate body and the notches, one end of each longitudinal supporting rib is fixed in each notch, the other end of each longitudinal supporting rib is fixed on the right plate surface of the left annular flange plate body, and a plurality of transverse supporting ribs are arranged between every two adjacent longitudinal supporting ribs.

5. The novel power system based on the diesel engine rear end direct-drive hydraulic pump as claimed in claim 1, is characterized in that: the other side of base sets up and is provided with group battery and the hydraulic tank who distributes on the base from a left side to the right side respectively, is provided with the oil return filter in hydraulic tank's top, the group battery sets up on the base that is close to diesel engine assembly front end one side, hydraulic tank's output respectively through the oil circuit with the hydraulic pump assembly intercommunication.

6. The novel power system based on the diesel engine rear end direct-drive hydraulic pump as claimed in claim 5, is characterized in that: be provided with oil return transition joint and hydraulic control valves on diesel engine assembly rear end and the base that is close to hydraulic pump assembly one side the oil return filter, it is a plurality of to connect in parallel respectively on the hydraulic oil output pipeline of hydraulic pump assembly the hydraulic control valves, every hydraulic control valves hydraulic oil input port with communicate each other through oil return transition joint between the hydraulic oil output pipeline of hydraulic pump assembly, the oil return delivery outlet of every hydraulic control valves pass through the oil circuit through the oil return filter with hydraulic tank's backward flow mouth communicates each other.

7. The novel power system based on the diesel engine rear end direct-drive hydraulic pump as claimed in claim 6, is characterized in that: an air filter and a turbocharger are arranged above the diesel engine assembly, the output end of the air filter is communicated with the input end of the turbocharger, and the turbocharger is communicated with the diesel engine assembly through a conveying pipe and a water tank radiator.

8. The novel power system based on the diesel engine rear end direct-drive hydraulic pump as claimed in claim 7, is characterized in that: and a radiating pipe is arranged in the water tank radiator, the output end of the turbocharger is communicated with the input end of the radiating pipe through a conveying pipe, and the output end of the radiating pipe is communicated with the diesel engine assembly.