CN203660759U

CN203660759U - Power output device

Info

Publication number: CN203660759U
Application number: CN201420030823.4U
Authority: CN
Inventors: 颜隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-17
Filing date: 2014-01-17
Publication date: 2014-06-18
Anticipated expiration: 2024-01-17

Abstract

The utility model provides a power output device provided with a servo motor, an inner core assembly and a plurality of scrapers. The servo motor is a variable-speed driving mechanism and is provided with a mandrel. The inner core assembly is connected with the mandrel and is provided with a rotor and an inflating cylinder. The outer annular surface of the rotor is provided with a plurality of accommodation grooves. The rotor is arranged in the inflating cylinder. The scrapers are installed in the accommodation groove and one end of each scraper pushes against the inner annular surface of the inflating cylinder. Liquid is let into a space between the inflating cylinder and the rotor. Then the rotor is driven to bring the scrapers to pressing the liquid. According to the utility model, the servo motor and the inner core assembly are combined together, so that the power output device has an adjustable liquid pressing function. And the power output device has advantages of being small in size and low in manufacturing cost.

Description

Power take-off

Technical field

The utility model is a kind of power take-off, refers to that convection cell pressurizes and exports the power take-off of high-pressure fluid.

Background technology

Pump is a kind of pressure for increasing fluid, and export the machinery of this pressure fluid, fluid after pressurization can form a power source, as hydraulic pump has been applied in multiple large-scale facility, hydraulic oil is sent in facility by the pressurization of hydraulic pump again, hydraulic pump need be by electrical motor driven in pressure process, electro-motor is the output of fixed rotating speed, the only single rotating speed of tool and the practicality of not having of hydraulic pump, for adapting to the demand of large-scale facility, the electro-motor gearbox of can arranging in pairs or groups, gear shift function capable of regulating hydraulic pump by gearbox is high rotating speed or slow-revving output.

Therefore existing hydraulic pump need install an electro-motor and a gearbox additional, causes the bulky of hydraulic pump, is therefore unfavorable for dismounting and assembling and cost of manufacture costliness.

Utility model content

Because the shortcoming of aforesaid prior art, the utility model is improved existing hydraulic pump, can reach the volume that reduces hydraulic pump and the object that reduces cost of manufacture.

For reaching the object of above-mentioned utility model, the technological means that the utility model adopts is for providing a kind of power take-off, and it comprises:

One servo motor, it has a body, an axle, one first closely sealed lid and one second closely sealed lid, this axle projection is at the engine body exterior of servo motor, the first closely sealed lid and the second closely sealed lid have inner space and connect the body of servo motor and be positioned at the outside of axle, are provided with the entrance being connected with its inner space and are provided with the second closely sealed covering the outlet being connected with its inner space the first closely sealed covering;

One heart assembly, it is arranged in the inner space of the first closely sealed lid and the second closely sealed lid, this heart assembly has an inner cap, a rotor, a pressurized cylinder and an enclosing cover, inner cap pivot joint axle, the solid axle of rotor cover and between inner cap and enclosing cover, the outer shroud wall of the coated rotor of pressurized cylinder, pressurized cylinder is communicated with entrance and outlet, the outlet of enclosing cover pivot joint heart the tip of the axis and connection pressurized cylinder and the second closely sealed lid;

Multiple scraping blades, it is arranged in the rotor of heart assembly, and each scraping blade is installed in rotor respectively compressiblely, and a pleurapophysis of each scraping blade is stretched in rotor outside and against the internal ring wall face of pressurized cylinder.

Described power take-off, wherein the inner cap of heart assembly has central perforation and this central perforation pivot joint axle, the opposite position of the outside wall surface of inner cap is formed with two concave surfaces, rotor has an axis hole that runs through center, this axis hole is fixed in axle, pressurized cylinder has a compression chamber, two side walls and its inner space that pressurized cylinder is run through in this compression chamber are non-circular, this compression chamber is coated rotor, one side wall surface of pressurized cylinder is communicated with two concave parts of inner cap against inner cap and its compression chamber, enclosing cover has two fluid passages, two fluid passages difference hole formed therethrough are on the wall of enclosing cover, this fluid passage is communicated with the outlet of the second closely sealed lid and the compression chamber of pressurized cylinder.

Power take-off of the present utility model is provided with servo motor, heart assembly and multiple scraping blade, servo motor is the driving mechanism with speed changing function, the axle of heart assembly connection servo motor also can be to liquid pressing, liquid enters and arrives at the interval of pressurized cylinder and rotor from entrance, rotor produce rotation the more each scraping blade by projection to liquid pressing, export by outlet again, because all kinds of parts of the present utility model are integrated the setting of assembling, compared to the hydraulic pump of existing split mounting type, the utlity model has the advantage that volume is little and cost of manufacture is low.

Brief description of the drawings

Fig. 1 is overall appearance figure of the present utility model.

Fig. 2 is element exploded view of the present utility model.

Fig. 3 is the exploded view of rotor of the present utility model and pressurized cylinder.

Fig. 4 is the marriage relation figure of scraping blade of the present utility model and pressurized cylinder.

Fig. 5 is rotor preferred embodiment figure of the present utility model.

Fig. 6 is fragmentary cross-sectional view of the present utility model.

Drawing reference numeral explanation

10 servo motor 11 axles

111 embossing face 12 first closely sealed lids

121 entrance 13 second closely sealed lids

131 outlet 20 heart assemblies

21 inner cap 211 concave surfaces

22 rotor 221 axis holes

222 tank 223 guide pillars

23 pressurized cylinder 231 compression chambers

24 enclosing cover 241 fluid passages

30 scraping blades 31 are supported groove

32 Compress Springs

Embodiment

Below coordinate accompanying drawing and preferred embodiment of the present utility model, further set forth the technological means that the utility model is taked for reaching predetermined utility model object.

Refer to shown in Fig. 1 and Fig. 2, power take-off of the present utility model comprises a servo motor 10, a heart assembly 20 and multiple scraping blade 30.

The driving mechanism that aforesaid servo motor 10 is variable-ratio, it has a body, one axle 11, one first closely sealed lid 12 and one second closely sealed lid 13, axle 11 projections are at the engine body exterior of servo motor 10 and be a clutch end, in the peripheral wall of axle 11 around being provided with an embossing face 111, one sidewall of the first closely sealed lid 12 is installed in servo motor 10 and is provided with an inner space, axle 11 is arranged in this inner space, the outside wall surface of the first closely sealed lid 12 is provided with an entrance 121, this entrance 121 is communicated with its inner space, the second closely sealed lid 13 is installed in the opposite side wall of the first closely sealed lid 12 and is provided with an outlet 131, this outlet 131 runs through the wall of the second closely sealed lid 13 and forms a passage in inside.

Refer to Fig. 2, shown in Fig. 3 and Fig. 6, aforesaid heart assembly 20 connects servo motor 10, it has an inner cap 21, one rotor 22, one pressurized cylinder 23 and an enclosing cover 24, inner cap 21 has central perforation and this central perforation pivot joint axle 11, axle 11 stretches out outside a sidewall of inner cap 21, the opposite position of the outside wall surface of inner cap 21 is formed with two concave surfaces 211, rotor 22 has axis hole 221 and a multiple tank 222 that runs through center, rotor 22 is fixed in axle 11 with axis hole 221, the embossing face 111 of the closely sealed axle 11 of inner ring surface of this axis hole 221 is to promote the stability mutually combining, multiple tank 222 indents are formed in the outer shroud wall of rotor 22, refer to shown in Fig. 5, in a preferred embodiment, rotor 22 has multiple guide pillars 223, one end of this guide pillar 223 is arranged on the bottom surface of tank 222, the other end of each guide pillar 223 is arranged in the inner space of each tank 222, pressurized cylinder 23 has a compression chamber 231, two side walls and its inner space that pressurized cylinder 23 is run through in this compression chamber 231 are non-circular, this coated rotor 22 in compression chamber 231, one side wall surface of pressurized cylinder 23 is communicated with two concave surface 211 parts against inner cap 21 and its compression chamber 231, between the outer shroud wall of the inner edge surface of compression chamber 231 and rotor 22, be provided with spacing, enclosing cover 24 is arranged on the opposite side wall of pressurized cylinder 23 and the end of pivot joint axle 11, enclosing cover 24 is subject to the airtight pressing of the second closely sealed lid 13, enclosing cover 24 has two fluid passages 241, two fluid passages 241 difference hole formed therethrough are on the wall of enclosing cover 24, this fluid passage 241 is communicated with the outlet 131 of the second closely sealed lid 13 and the compression chamber 231 of pressurized cylinder 23.

Refer to shown in Fig. 3 and Fig. 4, aforesaid scraping blade 30 is arranged in the tank 222 of rotor 22, scraping blade 30 is positioned at tank 222 removable, each scraping blade 30 is provided with supports groove 31 and Compress Spring 32, supporting groove 31 indents is formed on the bottom surface of scraping blade 30, one end of Compress Spring 32 is arranged in supports groove 31, the other end of Compress Spring 32 is against the bottom surface of tank 22, refer to shown in Fig. 5, in a preferred embodiment, Compress Spring 32 is against bottom surface and one end socket guide pillar 223 of tank 22, the support of spring 32 by compression of the end face of each scraping blade 30 and projection are in the outside of rotor 22, each scraping blade 30 is respectively against the inner edge surface of compression chamber 231.

Refer to shown in Fig. 1 and Fig. 6, the utility model is in the time that reality is used, start servo motor 10 and drive the rotor 22 of heart assembly 20 to rotate simultaneously, the inner cap 21 of heart assembly 20, pressurized cylinder 23 and enclosing cover 24 are subject to the pressing of the first closely sealed lid 12 and the second closely sealed lid 13 to be stationary state, liquid to be pressurizeed enters from the entrance 121 of the first closely sealed lid 12, liquid arrives 231 places of compression chamber of pressurized cylinder 23 by two concave surfaces 211, now rotor 22 is subject to the drive of axle 11 and rotates, the each scraping blade 30 being located in the tank 222 of rotor 22 continues against the inner edge surface of compression chamber 231 because being compressed shoring of spring 32, it is the adaptation that each scraping blade 30 can be possessed with pressurized cylinder 23 certain pressure, the liquid passing into is subject to the pressurization of scraping blade 30, liquid after pressurized is exported by the fluid passage 241 of enclosing cover 24 and by the outlet 131 of the second closely sealed lid 13.

Because scraping blade 30 of the present utility model continues to possess certain adaptation with pressurized cylinder 23, in the time of running, the utility model can carry out the pressurization of liquid under slow-revving state, in the time that needs are exported higher power, heighten again the rotating speed of servo motor, so save a large amount of energy, switching by suitable rotating speed also can Extending Rotor 22 and service life of scraping blade 30, in addition the utility model is a modular power take-off, it comprises servo motor 10 and heart assembly 20, compared to the assembling combination of the additional electro-motor of existing hydraulic pump and gearbox, the utlity model has the advantage that structural volume is little and cost of manufacture is low.

The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, not departing from the scope of technical solutions of the utility model, should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims

1. a power take-off, is characterized in that, comprises:

2. power take-off according to claim 1, it is characterized in that, the inner cap of heart assembly has central perforation and this central perforation pivot joint axle, the opposite position of the outside wall surface of inner cap is formed with two concave surfaces, rotor has an axis hole that runs through center, this axis hole is fixed in axle, pressurized cylinder has a compression chamber, two side walls and its inner space that pressurized cylinder is run through in this compression chamber are non-circular, this compression chamber is coated rotor, one side of pressurized cylinder is communicated with two concave parts against inner cap and its compression chamber, enclosing cover has two fluid passages, two fluid passages difference hole formed therethrough are on the wall of enclosing cover, this fluid passage is communicated with the outlet of the second closely sealed lid and the compression chamber of pressurized cylinder.

3. power take-off according to claim 1 and 2, it is characterized in that, rotor has multiple tanks, each tank is around being formed on the outer shroud wall of rotor, scraping blade is provided with supports groove and Compress Spring, supports on the bottom surface that groove indent is formed on scraping blade, and one end of Compress Spring is arranged in supports groove, the other end of Compress Spring is against the bottom surface of tank, and the end face projection of each scraping blade is in the outside of rotor and against the inner edge surface of compression chamber.

4. power take-off according to claim 3, it is characterized in that, rotor has multiple guide pillars, and one end of this guide pillar is arranged on the bottom surface of tank, the other end of each guide pillar is arranged in the inner space of each tank, and bottom surface and one end that Compress Spring is resisted against tank are socketed on guide pillar.

5. power take-off according to claim 2, is characterized in that, the peripheral wall of axle is around being provided with an embossing face, the embossing face of the closely sealed axle of inner ring surface of the axis hole of rotor.

6. power take-off according to claim 3, is characterized in that, the peripheral wall of axle is around being provided with an embossing face, the embossing face of the closely sealed axle of inner ring surface of the axis hole of rotor.

7. power take-off according to claim 4, is characterized in that, the peripheral wall of axle is around being provided with an embossing face, the embossing face of the closely sealed axle of inner ring surface of the axis hole of rotor.