CN214304066U - Integrated speed regulation actuator - Google Patents
Integrated speed regulation actuator Download PDFInfo
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- CN214304066U CN214304066U CN202022953468.6U CN202022953468U CN214304066U CN 214304066 U CN214304066 U CN 214304066U CN 202022953468 U CN202022953468 U CN 202022953468U CN 214304066 U CN214304066 U CN 214304066U
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Abstract
The utility model discloses an integrated speed regulation actuator, which comprises a throttle body, wherein the throttle body is provided with a butterfly door cavity for air intake, a shaft is axially arranged along the section of the butterfly door cavity, a butterfly door is also arranged in the butterfly door cavity, and the butterfly door is fixedly arranged on the shaft; the plane of the cross section of the butterfly door cavity in the vertical direction is connected with an L-shaped support, an actuator is arranged on the horizontal mounting surface of the L-shaped support, a shaft penetrates through the valve body and the extending end of the support to be connected with a coupling, and the other end of the coupling is connected with a rotating shaft of the actuator; the shaft is arranged in the throttle valve body, the butterfly door is arranged in the shaft, the bracket is fixedly connected with the throttle valve body through a bolt, the actuator is fixed on a horizontal mounting surface of the bracket, the actuator is provided with an aviation plug, and the shaft is connected with the actuator through a coupler; adopt the utility model discloses the scheme assembly is simple reliable, and is safe, and the commonality is strong.
Description
Technical Field
The utility model relates to a gas engine technical field especially relates to an integral type speed governing executor.
Background
In the field of gas engines, the regulation of the rotating speed of an engine is realized by regulating the amount of combustible mixed gas entering the engine, and a common control mode is that a speed regulator outputs a control signal to an actuator, and then a transmission mechanism indirectly drives a throttle valve to change the opening degree so as to change the amount of the combustible mixed gas and realize the purpose of regulating the rotating speed. The actuator and the throttle valve adopt a split structure, rocker arms are respectively arranged at the output shaft end of the actuator and the shaft end of the throttle valve, the two rocker arms are connected through a pull rod, and the pull rod and the two rocker arms form a set of transmission mechanism. This approach has the following problems:
(1) the installation and adjustment requirements on the actuator, the throttle valve and the transmission mechanism are high, the transmission structure needs to be adjusted repeatedly during installation so as to ensure that the actuator corresponds to the minimum fuel opening and the maximum fuel opening of the throttle valve synchronously, the throttle valve can be closed reliably when the actuator is at the minimum opening, and the throttle valve can reach the maximum fuel opening position when the actuator is at the maximum opening.
(2) The transmission mechanism is relatively complex and poor in reliability, the transmission mechanism is easy to loosen in the long-term operation process of the engine, the rocker arm and the throttle valve shaft are easy to slip, the opening of the actuator and the throttle valve cannot be accurately corresponding, the rotating speed of the engine cannot be controlled, and the safe operation of the engine is affected.
(3) The universality of the split structure to different types of machines is poor, and the transmission mechanism needs to be designed in a customized mode.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, provide an integral type speed governing executor, the assembly is simple reliable, and is safe, and the commonality is strong.
In order to achieve the above purpose, the utility model adopts the following scheme:
the integrated speed regulation actuator comprises a throttle body, wherein the throttle body is provided with a butterfly door cavity for air inlet, a shaft is axially arranged along the section of the butterfly door cavity, a butterfly door is also arranged in the butterfly door cavity, the butterfly door is fixedly arranged on the shaft and is opened and closed along the air inlet and outlet directions of the butterfly door cavity by taking the shaft as a rotating shaft, and the caliber of the butterfly door is smaller than that of the throttle body; the plane of the cross section of the butterfly door cavity in the vertical direction is connected with an L-shaped support, an actuator is arranged on the horizontal mounting surface of the L-shaped support, a shaft penetrates through the valve body and the extending end of the support to be connected with a coupling, and the other end of the coupling is connected with a rotating shaft of the actuator;
the shaft is arranged in the throttle valve body, the butterfly door is arranged in the shaft, the bracket is fixedly connected with the throttle valve body through a bolt, the actuator is fixed on a horizontal mounting surface of the bracket, the actuator is provided with an aviation plug, and the shaft is connected with the actuator through a coupling;
aviation plug and speed governing controller or ECU cable connection on the executor are used for receiving drive signal, make the executor pass through the shaft coupling and drive axle and butterfly door and take place to rotate, and the butterfly door rotates and makes the flow area in butterfly door chamber change, and the combustible gas flow that gets into the engine through butterfly door chamber changes to the rotational speed that makes the engine produces the change.
In the integrated speed regulation actuator, the actuator is a disk type motor actuator.
In the integrated speed regulation actuator, the actuator is driven by a PWM signal or a current signal of 4 mA-20 mA.
In the integrated speed regulation actuator, the butterfly door is elliptical.
In the integrated speed regulation actuator, the shaft extending end is processed with straight knurling.
In the integrated speed regulation actuator, the coupler is a diaphragm type clamping coupler.
In the integrated speed regulation actuator, a spline is processed at one end of the coupler, which is in butt joint with the actuator.
Adopt the utility model discloses a beneficial effect of production does:
(1) the utility model discloses an executor and air throttle integral type installation design, simple reliable when assembling with the engine air inlet pipeline.
(2) The actuator shaft is provided with a spline, the throttle shaft is provided with a knurl, the actuator shaft and the throttle shaft are connected through the diaphragm type clamping coupler, safety and reliability are realized, and the actuator and the throttle opening degree are ensured to be synchronously corresponding;
(3) and transmission mechanisms such as rocker arms and pull rods are not needed during installation, so that the universality of different machine types is high.
Drawings
Fig. 1 is a schematic view of the structure principle of the present invention.
In the figure:
1-throttle body, 2-butterfly door, 3-butterfly door cavity, 4-shaft, 5-support, 6-coupling, 7-aviation plug, 8-actuator
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, the utility model provides an integrated speed regulation actuator, which comprises a throttle body 1, wherein the throttle body 1 is provided with a butterfly door cavity 3 for air intake, a shaft 4 is axially arranged along the section of the butterfly door cavity 3, a butterfly door 2 is also arranged in the butterfly door cavity 3, the butterfly door 2 is fixedly arranged on the shaft 4 and is opened and closed along the air intake and exhaust direction of the butterfly door cavity 3 by taking the shaft 4 as a rotating shaft, and the caliber of the butterfly door 2 is smaller than that of the throttle body 1; the plane of the section of the butterfly door cavity 3 in the vertical direction is connected with an L-shaped support 5, an actuator 8 is arranged on the horizontal mounting surface of the L-shaped support 5, a shaft 4 penetrates through the valve body 1 and the extending end of the support 5 to be connected with a coupling 6, and the other end of the coupling 6 is connected with a rotating shaft of the actuator 8;
the shaft 4 is installed in the throttle body 1, the butterfly door 2 is installed in the shaft 4, the bracket 5 is fixedly connected with the throttle body 1 through bolts, the actuator 8 is fixed on a horizontal installation surface of the bracket 5, the actuator 8 is provided with an aviation plug 7, and the shaft 4 is connected with the actuator 8 through a coupling 6;
an aviation plug 7 on the actuator 8 is connected with a speed regulation controller or an ECU (electronic control unit) cable and used for receiving a driving signal, so that the actuator 8 drives the shaft 4 and the butterfly door 2 to rotate through the coupler 6, the flow area of the butterfly door cavity 3 is changed by rotating the butterfly door 2, the flow of combustible gas entering the engine through the butterfly door cavity 3 is changed, and the rotating speed of the engine is changed.
The shaft 4 is installed in the throttle body 1, the butterfly door 2 is installed in the shaft 4, the support 5 is fixedly connected with the throttle body 1 through bolts, the actuator 8 is fixed on a horizontal installation surface of the support 5, the aviation plug 7 is installed on the actuator 8, and the shaft 4 is connected with the actuator 8 through the coupling 6.
In the utility model, the actuator 8 is a disk type motor actuator;
in the utility model, the actuator 8 is driven by PWM signal or 4 mA-20 mA current signal;
in the utility model, the butterfly door 2 is oval;
in the utility model, the extending end of the shaft 4 is processed with straight knurling;
in the utility model, the shaft coupling 6 is a diaphragm type clamping shaft coupling;
in the utility model, a spline is processed at one end of the coupling 6, which is butted with the actuator 8;
the utility model discloses a working process: an integrated speed regulation actuator can be used for regulating and controlling the rotating speed of a gas engine. An aviation plug 7 on the actuator 8 is connected with a speed regulation controller or an ECU (electronic control unit) cable, receives PWM (pulse-width modulation) signals or current signals of 4 mA-20 mA for driving, so that the actuator 8 drives the shaft 4 and the butterfly door 2 to rotate through the coupler 6, the butterfly door 2 rotates to change the flow area of the butterfly door cavity 3, the flow of combustible gas entering the engine through the butterfly door cavity 3 is changed, and the rotating speed of the engine is changed. When the rotating speed needs to be increased, the speed regulation controller or the ECU drives the opening of the butterfly door 2 to be increased and the flow of the combustible gas to be increased by controlling the actuator 8 to rotate, and when the rotating speed needs to be reduced, the speed regulation controller or the ECU drives the opening of the butterfly door 2 to be decreased and the flow of the combustible gas to be reduced by controlling the actuator 8.
The utility model adopts the integrated installation design of the actuator and the air throttle, and is simple and reliable when being assembled with the air inlet pipeline of the engine; the actuator shaft is provided with a spline, the throttle shaft is provided with a knurl, the actuator shaft and the throttle shaft are connected through the diaphragm type clamping coupler, safety and reliability are realized, and the actuator and the throttle opening degree are ensured to be synchronously corresponding; and transmission mechanisms such as rocker arms and pull rods are not needed during installation, so that the universality of different machine types is high.
The foregoing is a more detailed description of the present invention taken in conjunction with the accompanying drawings, which are not intended to limit the invention to the particular embodiments described herein. For those skilled in the art to which the invention pertains, equivalent substitutes or obvious modifications may be made without departing from the spirit of the invention, and the same properties or uses are deemed to be within the scope of the invention as determined by the claims as filed.
Claims (7)
1. The utility model provides an integral type speed governing executor, includes throttle body (1), throttle body (1) is provided with butterfly door chamber (3) that are used for admitting air, its characterized in that: a shaft (4) is axially arranged along the section of the butterfly door cavity (3), a butterfly door (2) is also arranged in the butterfly door cavity (3), the butterfly door (2) is fixedly arranged on the shaft (4) and is opened and closed along the air inlet and outlet directions of the butterfly door cavity (3) by taking the shaft (4) as a rotating shaft, and the caliber of the butterfly door (2) is smaller than that of the throttle valve body (1); the butterfly valve cavity (3) is connected with an L-shaped support (5) on the plane in the vertical direction of the section of the butterfly valve cavity, an actuator (8) is arranged on the horizontal mounting surface of the L-shaped support (5), a shaft (4) penetrates through the valve body (1) and the extending end of the support (5) to be connected with a coupling (6), and the other end of the coupling (6) is connected with a rotating shaft of the actuator (8);
the shaft (4) is installed in the throttle body (1), the butterfly door (2) is installed in the shaft (4), the bracket (5) is fixedly connected with the throttle body (1) through bolts, the actuator (8) is fixed on a horizontal installation surface of the bracket (5), the actuator (8) is provided with an aviation plug (7), and the shaft (4) is connected with the actuator (8) through a coupler (6);
an aviation plug (7) on the actuator (8) is connected with a speed regulation controller or an ECU (electronic control unit) through a cable and used for receiving a driving signal, the actuator (8) drives the shaft (4) and the butterfly door (2) to rotate through the coupler (6), the butterfly door (2) rotates to change the flow area of the butterfly door cavity (3), the flow of combustible gas entering the engine through the butterfly door cavity (3) is changed, and therefore the rotating speed of the engine is changed.
2. The integrated speed actuator of claim 1, wherein: the actuator (8) is a disc type motor actuator.
3. The integrated speed actuator of claim 2, wherein: the actuator (8) is driven by a PWM signal or a current signal of 4 mA-20 mA.
4. The integrated speed actuator of claim 1, wherein: the butterfly door (2) is oval.
5. The integrated speed actuator of claim 1, wherein: the extending end of the shaft (4) is provided with straight knurls.
6. The integrated speed actuator of claim 1, wherein: the coupling (6) is a diaphragm type clamping coupling.
7. An integrated speed control actuator according to any one of claims 1 to 6 wherein: and a spline is processed at one end of the coupler (6) which is in butt joint with the actuator (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022953468.6U CN214304066U (en) | 2020-12-11 | 2020-12-11 | Integrated speed regulation actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022953468.6U CN214304066U (en) | 2020-12-11 | 2020-12-11 | Integrated speed regulation actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214304066U true CN214304066U (en) | 2021-09-28 |
Family
ID=77852728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022953468.6U Active CN214304066U (en) | 2020-12-11 | 2020-12-11 | Integrated speed regulation actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214304066U (en) |
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2020
- 2020-12-11 CN CN202022953468.6U patent/CN214304066U/en active Active
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