CN201301761Y - Gas engine low power consumption speed regulation actuator - Google Patents

Abstract

A gas engine low power consumption speed regulation actuator comprises a shell, an end cap, an output shaft, a rotor, a stator, a limit plate, a potentiometer, a small pendulum rod, a pin remover, a shifting fork, an end cap, a permanent magnet and a clearance adjusting piece, wherein the output shaft is installed on the shell, one end is arranged outside the shell, an indicating needle and the pendulum rod are installed on the output shaft in turn, the other end extends into the shell through an inward convex hole on the shell, an elastic retainer ring, a zanjon ball bearing, a one-way thrust ball bearing, the clearance adjusting piece, a baffle sleeve and a zanjon ball bearing for an elastic retainer ring hole for a shaft are installed on the output shaft in the inward convex hole in turn, the rotor and the shifting fork are installed on the output shaft in the shell in turn, the end cap is installed on one end of the shell, a contactless potentiometer is installed in a hole on the upper portion of the end cap, the output shaft of the potentiometer is provided with the small pendulum rod, the pin remover is installed on the small pendulum rod and is contacted with the shifting fork, the stator is installed on two sides of the inward convex hole of the shell, and a limit plate is installed between the rotor and shifting fork and the contactless potentiometer. The gas engine low power consumption speed regulation actuator is characterized in that the twisting moment is big, the energy consumption is low, the data transfer is rapid and accurate, and the like. The gas engine low power consumption speed regulation actuator is widely applied in gas engines.

Description

Gas engine low power consumption speed regulating actuator

One, technical field

The utility model relates to the gas internal-combustion engine auxiliary equipment, particularly a kind of gas internal-combustion engine low power consumption speed regulating actuator.

Two, background technique

Existing gas internal-combustion engine speed regulating actuator is by the position realization speed governing of the equinoctial point control fork of spring force and electromagnetic force but this speed regulator exists following shortcoming or deficiency: 1. poor stability; 2. output torque is little under the equal volume; 3. it is big to export under the situation of identical moment power consumption; 4. the controlling mechanism of equipment can not be controlled exactly to the adjusting of combustion gas air inflow.

Three, summary of the invention

The purpose of this utility model provides a kind of gas internal-combustion engine low power consumption speed regulating actuator.Adopt one group of magnet of electric excitation to form stator, the rotor of forming by a group permanent-magnet and the combination of information feedback device, both can overcome shortcoming or the deficiency of avoiding above-mentioned prior art to exist effectively, can improve the stability and the output torque of gas engine again.

Gas internal-combustion engine low power consumption speed regulating actuator of the present utility model, comprise housing, end cap, output shaft, rotor, stator, limiting board, potentiometer, small swinging rod, finger, shift fork, end cap, permanent magnet and gap adjusting strip, it is characterized in that described output shaft is installed on the housing, one end is outside housing, pointer and fork are installed on it in turn, the other end stretches in the housing by the convex hole on the housing, on the output shaft in this convex hole the circlip for shaft circlip for hole is installed in turn, deep groove ball bearing, single direction thrust ball bearing, the gap adjusting strip, spacer and deep groove ball bearing, on the output shaft in the housing rotor and shift fork are installed in turn, one end of housing is equipped with end cap, contactless potentiometer is installed in the hole on the top of this end cap, on the output shaft of this potentiometer small swinging rod is installed, on this small swinging rod finger is installed, contact with described shift fork, described stator is installed between the described rotor in both sides, convex hole of housing and shift fork and the contactless potentiometer limiting board is installed.

Wherein, Yi Bian a space disc is installed between described rotor and the stator, another side is equipped with a permanent magnet.The rubber limiting stopper is installed on the described limiting board.Maintain the gap of 0.2-0.4mm between described stator faces and the rotor end-face.The limiting board both sides are equipped with spacing bumping post in the described housing.Described stator comprises iron core and magazine that is installed on it and coil.

The utility model has following advantage compared with prior art:

1, stator is made up of one group of magnet of electric excitation, and rotor is made up of a group permanent-magnet, and response speed is fast, automatic stability good.

2, utilize the interaction of stator field and rotor field to produce power, make the total of final controlling element simple, ingenious, energy consumption is low.

3, utilize deep groove ball bearing to combine, guaranteed the stressed rationality of output shaft with single direction thrust ball bearing.

4, utilize gap adjusting strip on the output shaft to adjust gap between stator and the rotor end-face, the gap is remained between the 0.2-0.4mm.

5, with the spacing bumping post on limiting board and the rotor disk, realize the output shaft mechanical position limitation.

6, the rubber limiting stopper has been installed on the limiting board and has been contacted, can slow down bump with spacing bumping post on the rotor disk.

7, output shaft is by fork, finger, small swinging rod, contactless potentiometer, and indirectly, pari passu the position of output shaft is transmitted out with voltage signal exactly, data transmission is fast.

Four, description of drawings

Fig. 1 is a kind of structure cross-sectional schematic of the present utility model,

Fig. 2 presses B-B shown in Figure 1 to schematic representation,

Five, embodiment

Consult Fig. 1-Fig. 2, a kind of gas internal-combustion engine low power consumption speed regulating actuator comprises housing 25, end cap 23, output shaft 22, rotor 13, stator 6, limiting board 14, potentiometer 15, small swinging rod 16, finger 19, shift fork 21, permanent magnet 26 and gap adjusting strip 27.Output shaft 22 is installed on the housing 25, one end is outside housing 25, pointer 2 and fork 1 are installed on it in turn, the other end stretches in the housing 25 by the convex hole on the housing 25, and circlip for shaft 3, circlip for hole 4, deep groove ball bearing 5, single direction thrust ball bearing 7, gap adjusting strip 27, spacer 11 and deep groove ball bearing 5 are installed on the output shaft 22 in this convex hole in turn.On the output shaft 22 in the housing 25 rotor 13 and shift fork 21 are installed in turn, one end of housing 25 is equipped with end cap 23, contactless potentiometer 15 is installed in the hole on the top of this end cap 23, small swinging rod 16 is installed on the output shaft of this potentiometer 15, on this small swinging rod 16 finger 19 is installed, contacts with shift fork 21.Potentiometer 15 is installed on the potentiometer support 18, and potentiometer cover 17 is installed on the potentiometer 15.Stator 13 is installed on the both sides, convex hole of housing 25, between rotor 13 and shift fork 21 and the contactless potentiometer 15 limiting board 14 is installed.

One side between rotor 13 and the stator 6 is equipped with a space disc 12, and another side is equipped with a permanent magnet 26.Rubber limiting stopper 28 is installed on the limiting board 14.Maintain the gap 20 of 0.2-0.4mm between stator 6 end faces and rotor 13 end faces.Limiting board 14 both sides are equipped with spacing bumping post 29 in the housing 25.Between end cap 23 and the housing 25 pad 24 is installed.Magazine 8 and coil 9 that stator 13 comprises iron core 10 and is installed on it.

During work, stator coil 9 is promoted blood circulation and is produced magnetic field towards electric current, with the magnetic field interaction of the permanent magnet 27 of rotor, drives rotor 13 and output shaft 22 clockwise or rotate counterclockwise.The impulsive current of stator coil 9 is divided into two sections, is initially big electric current, produces big electromagnetic force and drives the angle that output shaft 22 turns to unlatching rapidly, and then little electric current is kept the state of unlatching, and the size that final controlling element is opened can be subjected to the control of gaseous-pressure.The opening angle of butterfly door is corresponding on the opening angle of output shaft 22 and the internal-combustion engine fuel gas pipeline.Fork 1 is assemblied in the output terminal of output shaft 22 by serration, the rotating band movable pendulum bar 1 of output shaft 22 rotates, fork 1 rotates by the butterfly door that connecting rod drives on the gas internal-combustion engine air inlet pipeline again, the size of control butterfly door aperture, thereby controlled the air inflow of combustion gas, realized the speed governing of gas internal-combustion engine.The gap 20 that keeps 0.2-0.4mm between iron core 10 end faces of stator and permanent magnet 26 end faces of rotor promptly guarantees between stator disc and the rotor disk contactlessly, can produce big electromagnetic force again.The angle of swing of output shaft 22 can directly be read by pointer 2, and this corner is passed to control circuit by the output value of contactless potentiometer.The other end of output shaft 22 is equipped with shift fork 21, and shift fork 21 drives small swinging rod 16 by finger 19 and rotates, and small swinging rod 16 is fixed on the axle of contactless potentiometer 15, thereby contactless potentiometer 15 is with indirect the feeding back with voltage signal of the rotation angle of output shaft 22.The rotation angle of output shaft 22 is realized by limiting board 14 and epitrochanterian spacing bumping post 29.Limiting board 14 is installed on the housing 26, and spacing bumping post 29 is installed on the rotor 13.Spacing bumping post 29 rotates synchronously with rotor 13, and rotor 13 is fixed on the output shaft 22, so the angle of swing of output shaft 22 depends on the setting angle of spacing bumping post 29 and limiting board 14.Rubber limiting stopper 28 is installed on the limiting board 14 contacts, slow down bump with spacing bumping post 29.

Claims (6)

1, a kind of gas engine low power consumption speed regulating actuator, comprise housing, end cap, output shaft, rotor, stator, limiting board, potentiometer, small swinging rod, finger, shift fork, end cap, permanent magnet and gap adjusting strip, it is characterized in that described output shaft is installed on the housing, one end is outside housing, pointer and fork are installed on it in turn, the other end is gone in the housing by the convex hole on the housing second month in a season, on the output shaft in this convex hole the circlip for shaft circlip for hole is installed in turn, deep groove ball bearing, single direction thrust ball bearing, the gap adjusting strip, spacer and deep groove ball bearing, on the output shaft in the housing rotor and shift fork are installed in turn, one end of housing is equipped with end cap, contactless potentiometer is installed in the hole on the top of this end cap, on the output shaft of this potentiometer small swinging rod is installed, on this small swinging rod finger is installed, contact with described shift fork, described stator is installed on the both sides, convex hole of housing, between described rotor and shift fork and the contactless potentiometer limiting board is installed.

2, gas engine low power consumption speed regulating actuator according to claim 1, one side it is characterized in that the space disc that is equipped with between described rotor and the stator, another side is equipped with a permanent magnet.

3, gas engine low power consumption speed regulating actuator according to claim 1 is characterized in that being equipped with on the described limiting board rubber limiting stopper.

4, gas engine low power consumption speed regulating actuator according to claim 1 and 2 is characterized in that described stator terminal and and maintains the gap of 0.2-0.4mm between the rotor end-face.

5, gas engine low power consumption speed regulating actuator according to claim 1 is characterized in that the limiting board both sides are equipped with spacing bumping post in the described housing.

6, gas engine low power consumption speed regulating actuator according to claim 1 is characterized in that described stator comprises iron core and magazine that is installed on it and coil.

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