CN205257932U - From walking scissor -fork type aerial work platform power pack - Google Patents
From walking scissor -fork type aerial work platform power pack Download PDFInfo
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- CN205257932U CN205257932U CN201521061810.4U CN201521061810U CN205257932U CN 205257932 U CN205257932 U CN 205257932U CN 201521061810 U CN201521061810 U CN 201521061810U CN 205257932 U CN205257932 U CN 205257932U
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- oil
- fuel tank
- gear pump
- work platform
- aerial work
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Abstract
The utility model relates to a from walking scissor -fork type aerial work platform power pack. It mainly comprises dc -inverter motor, valve piece, gear pump subassembly and oil tank subassembly, the dc -inverter motor is connected to the one end of valve piece, and the gear pump subassembly is connected to the other end of valve piece, and the other end of gear pump subassembly is inserted and is established in the oil tank subassembly, the gear pump subassembly mainly comprises transmission shaft, front end housing, the pump body, rear end cap, oil -out, oil return opening, inlet port mouth and time oil pipe, the oil tank subassembly mainly comprises mounting flange, oil tank and installation neck. After adopting above -mentioned structure, the simple compactness of overall structure, area is little, when having reduced calorific capacity of power pack and dc -inverter motor through the dc -inverter motor, also improves the life of hydraulic oil.
Description
Technical field
The utility model relates to the technical field of aerial work platform, especially a kind of from walking scissor-typeAerial work platform power unit.
Background technology
Aerial work platform is to do for mobility high-altitudes such as various work high above the ground, equipment installation, maintenanceThe product of industry. Scissor aerial work platform is purposes one of equipment the most widely in High Altitude Platform car. CutThe normal operation of V shape aerial work platform be unable to do without its Hydraulic Power Transmission System provides sufficient power for it. PassThe Hydraulic Power Transmission System of system comprises valve piece, is individually fixed in the fuel tank, motor at valve piece two ends, at fuel tank internal valveThe end face of piece is provided with the gear pump and the oil return pipe that are connected with fuel sucking pipe, and the two sides of described valve piece are respectively equipped withCheck valve and overflow valve. Valve block structure complexity in such design, and overflow valve model differs, and causes movingPower unit versatility is bad. In Hydraulic Power Transmission System, usually for enough high-voltage oil liquids can be provided, passThe hydraulic power unit of system also can design to obtain large, the complex structure and not attractive in appearance of volume. Hydraulic power unit providesOil liquid pressure be greater than the pressure of need of work, will cause energy loss, make system and fluid heating.
In sum, existing from walking scissor aerial work platform power unit in structure and design alsoThere is very large defect, can not meet the demand of modern society.
Summary of the invention
The utility model technical issues that need to address are that the one proposing for above-mentioned technical problem is cut from walkingV shape aerial work platform power unit, fault block structure is simply compact, and floor space is little, is reducing powerWhen the caloric value of unit and direct current variable frequency motor, the service life of also improving hydraulic oil.
For solving the problems of the technologies described above, it is a kind of from walking scissor aerial work platform that the utility model providesPower unit, is mainly made up of direct current variable frequency motor, valve piece, gear pump assembly and fuel tank assembly; Described valveOne end of piece connects direct current variable frequency motor, and the other end of described valve piece connects gear pump assembly, described gear pumpThe other end of assembly is plugged in fuel tank assembly; Described gear pump assembly is mainly by power transmission shaft, drive end bearing bracket, pumpBody, rear end cap, oil-out, oil return opening, inlet port mouth and oil return pipe composition; Described power transmission shaft is flexibly connectedIn a side of drive end bearing bracket, the opposite side of described drive end bearing bracket is being fixedly connected with the pump housing, and the other end of the described pump housing is solidSurely connect rear end cap, described inlet port mouth and oil return pipe are plugged on rear end cap, described oil-out and oil return openingBe arranged on the upper surface of drive end bearing bracket; Described fuel tank assembly is mainly made up of mounting flange, fuel tank and installation neck,Described installation neck is fixedly connected on a side of fuel tank, and described mounting flange is fixedly connected on the opposite side that neck is installed.
Further, in technique scheme, between described drive end bearing bracket and mounting flange, be also provided with seal.Such design is in order to ensure that power unit there will not be the phenomenon of oil spilling in normal operation.
Further, in technique scheme, the exterior bottom of described fuel tank assembly is also provided with mounting ear.Such design is fixing for fuel tank.
Further, in technique scheme, in described gear pump assembly, the end of inlet port mouth is also provided withOil absorption filter. The solid impurity in fluid can be effectively filtered in such design, prevents from entering hydraulic pressure systemIn system, produce mechanical disorder.
Further, in technique scheme, the upper end of described fuel tank assembly is also provided with air cleaner.Such design is in order to be communicated with atmosphere, prevents from fuel tank, can forming vacuum in oil-absorbing process, also can simultaneouslySo that the air that enters fuel tank is filtered, prevent that airborne impurity from entering fluid.
Further, in technique scheme, a side of described fuel tank assembly is also provided with liquid level thermometer.Such design is for the fluid in fuel tank carries out oil liquid temperature monitoring at any time, prevents that fluid from usingIn process, there is problems of excessive heat.
Adopt after said structure, overall structure is simply compact, and floor space is little, falls by direct current variable frequency motorWhen the caloric value of low power unit and direct current variable frequency motor, the service life of also improving hydraulic oil.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model;
Fig. 3 is mounting structure schematic diagram of the present utility model;
Fig. 4 is the structural representation of the utility model middle gear pump assembly;
Fig. 5 is the structural representation of fuel tank assembly in the utility model.
In figure: 1 is direct current variable frequency motor, 2 is valve piece, and 3 is power transmission shaft, and 4 is drive end bearing bracket, and 5 is rear end cap,6 is oil-out, and 7 is oil return opening, and 8 is inlet port mouth, and 9 is oil return pipe, and 10 is mounting flange, and 11 is oilCase, 12 for installing neck, and 13 is seal, and 14 is mounting ear, and 15 is oil absorption filter, 16 is air mistakeFilter, 17 is liquid level thermometer, 18 is the pump housing.
Detailed description of the invention
As Fig. 1～5 provide a kind of from walking scissor aerial work platform power unit, mainly by direct currentVariable-frequency motor 1, valve piece 2, gear pump assembly and fuel tank assembly composition; One end of valve piece 2 connects DC frequency-changingMotor 1, the other end of valve piece 2 connects gear pump assembly, and the other end of gear pump assembly is plugged in fuel tank assemblyIn; Gear pump assembly mainly by power transmission shaft 3, drive end bearing bracket 4, the pump housing 18, rear end cap 5, oil-out 6, returnHydraulic fluid port 7, inlet port mouth 8 and oil return pipe 9 form; Power transmission shaft 3 is movably connected in a side of drive end bearing bracket 4, frontThe opposite side of end cap 4 is being fixedly connected with the pump housing 18, and the other end of the pump housing 18 is fixedly connected with rear end cap 5, oil suctionMouthful mouth 8 and oil return pipe 9 be plugged on rear end cap 5, and oil-out 6 and oil return opening 7 are arranged on drive end bearing bracket 4On upper surface; Fuel tank assembly is mainly made up of mounting flange 10, fuel tank 11 and installation neck 12, and neck 12 is installedBe fixedly connected on a side of fuel tank 11, mounting flange 10 is fixedly connected on the opposite side that neck 12 is installed.
Wherein between drive end bearing bracket 4 and mounting flange 10, be also provided with seal 13. The exterior bottom of fuel tank assemblyAlso be provided with mounting ear 14. In gear pump assembly, the end of inlet port mouth 8 is also provided with oil absorption filter 15.The upper end of fuel tank assembly is also provided with air cleaner 16. One side of fuel tank assembly is also provided with liquid level thermometer17。
Power transmission shaft in gear pump assembly 3 is plugged in direct current variable frequency motor 1, and direct current variable frequency motor 1 revolvesChange of team driven gear pump is rotated, and realize hydraulic oil container 11 oil suctions, and fluid is sent in hydraulic system and gone,Between gear pump assembly and fuel tank assembly, adopt seal 13, the preferential oil resistant O type circle of this practicality. At gear pumpIn assembly. Oil-out 6 and oil return opening 7 are arranged on the upper surface of drive end bearing bracket 4. Gear pump can be by like thisFluid outputs to hydraulic system from oil-out 6, also can make fluid from oil return opening, flow into gear pump groupIn part.
Fuel tank assembly is mainly made up of mounting flange 10, fuel tank 11 and installation neck 12, neck 12 is installed even fixingBe connected on a side of fuel tank 11, mounting flange 10 is fixedly connected on the opposite side that neck 12 is installed. Design and installation neckThe 12nd, in order effectively to detect the phenomenon that whether occurs leakage of oil that is connected between mounting flange 10 and fuel tank 11.
Although more than described detailed description of the invention of the present utility model, those skilled in the art shouldWork as understanding, these only illustrate, and can make various changes or modifications to present embodiment, and not carry on the backFrom principle of the present utility model and essence, protection domain of the present utility model is only limited by appended claims.
Claims (6)
1. from a walking scissor aerial work platform power unit, it is characterized in that: mainly by DC frequency-changingMotor (1), valve piece (2), gear pump assembly and fuel tank assembly composition; Described valve piece (2)One end connects direct current variable frequency motor (1), and the other end of described valve piece (2) connects gear pump assembly,The other end of described gear pump assembly is plugged in fuel tank assembly; Described gear pump assembly is mainly by transmissionAxle (3), drive end bearing bracket (4), the pump housing (18), rear end cap (5), oil-out (6), oil returnMouth (7), inlet port mouth (8) and oil return pipe (9) composition; Described power transmission shaft (3) is flexibly connectedIn a side of drive end bearing bracket (4), the opposite side of described drive end bearing bracket (4) is being fixedly connected with the pump housing (18),The other end of the described pump housing (18) is fixedly connected with rear end cap (5), described inlet port mouth (8) and returnIt is upper that oil pipe (9) is plugged in rear end cap (5), and described oil-out (6) and oil return opening (7) are arranged onOn the upper surface of drive end bearing bracket (4); Described fuel tank assembly is mainly by mounting flange (10), fuel tank (11)With installation neck (12) composition, described installation neck (12) is fixedly connected on a side of fuel tank (11),Described mounting flange (10) is fixedly connected on the opposite side that neck (12) is installed.
2. one according to claim 1 is from walking scissor aerial work platform power unit, its featureBe: between described drive end bearing bracket (4) and mounting flange (10), be also provided with seal (13).
3. one according to claim 1 is from walking scissor aerial work platform power unit, its featureBe: the exterior bottom of described fuel tank assembly is also provided with mounting ear (14).
4. one according to claim 1 is from walking scissor aerial work platform power unit, its featureBe: in described gear pump assembly, the end of inlet port mouth (8) is also provided with oil absorption filter (15).
5. one according to claim 1 is from walking scissor aerial work platform power unit, its featureBe: the upper end of described fuel tank assembly is also provided with air cleaner (16).
6. one according to claim 1 is from walking scissor aerial work platform power unit, its featureBe: a side of described fuel tank assembly is also provided with liquid level thermometer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061810.4U CN205257932U (en) | 2015-12-17 | 2015-12-17 | From walking scissor -fork type aerial work platform power pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061810.4U CN205257932U (en) | 2015-12-17 | 2015-12-17 | From walking scissor -fork type aerial work platform power pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205257932U true CN205257932U (en) | 2016-05-25 |
Family
ID=55999473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521061810.4U Active CN205257932U (en) | 2015-12-17 | 2015-12-17 | From walking scissor -fork type aerial work platform power pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205257932U (en) |
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2015
- 2015-12-17 CN CN201521061810.4U patent/CN205257932U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |