CN2723697Y - Electric spray engine for fork lift - Google Patents
Electric spray engine for fork lift Download PDFInfo
- Publication number
- CN2723697Y CN2723697Y CN 200420092176 CN200420092176U CN2723697Y CN 2723697 Y CN2723697 Y CN 2723697Y CN 200420092176 CN200420092176 CN 200420092176 CN 200420092176 U CN200420092176 U CN 200420092176U CN 2723697 Y CN2723697 Y CN 2723697Y
- Authority
- CN
- China
- Prior art keywords
- valve body
- engine
- throttle valve
- speed
- rolling disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses an electric spray engine for a fork lift. The utility model is characterized as follows: an air inlet manifold of the engine is added with a speed limiting apparatus which comprises an electric magnetic iron which is arranged at the lower side surface of the air inlet tube of the engine; a speed limiting throttle valve body is arranged between the engine air inlet manifold and a main throttle valve body; drawing wire is connected between the electric magnetic iron and the speed limiting throttle valve body and has a power transmission effect. Through improvement and design on the combination of the electric spray engine and the speed limiting apparatus, the utility model is simple in structure, convenient in installation, satisfying power performance requirements of low rotating speed and high torque of a forklift and also ensuring safe and reliable operation of the forklift, satisfying requirements of small noise and small exhaust amount of engine.
Description
Technical field
The utility model relates to a kind of improved electronic fuel injection engine, is particularly useful for fork truck and uses, and by the adjusting of speed limiting device to air inflow, the control engine speed satisfies the fork truck working condition requirement.
Background technique
Existing forklift engine mostly is diesel engine or carburetor gasoline engine.Exhaust emissions and noise pollution are bigger, and along with the strictness day by day of country discharging and environmental policy, its noise and exhaust emission have become the problem of urgent solution.
Though and present domestic its noise of existing electronic fuel injection engine and emission performance have been improved, because of the electronic fuel injection engine maximum speed can reach 4600rpm, moment of torsion can reach 196Nm, and state of the art can not directly satisfy the fork truck working condition requirement.According to the fork truck actual demand, maximum speed must not be higher than 3000rpm, and the 800rpm moment of torsion is not less than 95Nm.For this reason, need a kind of fork truck special engine of novelty, realize low-speed big, guarantee that fork truck can move safely and reliably.
The model utility content
It is little that the purpose of this utility model provides a kind of noise, and discharging can reach Europe II standard, is applicable to the electronic fuel injection engine that fork truck is used.
For solving the problems of the technologies described above, the utility model increases a speed limiting device on engine suction manifold, this speed limiting device comprises an electromagnet at least, be used to respond the signal that the electronic control unit speed probe sends, and the action that unlatching takes place or close, a speed limit throttle valve body, be installed between inlet manifold and the primary throttle valve body, it receives the power that described electromagnet transmits, to regulate the aperture of speed limit throttle valve body, and a wire drawing, be connected in described electromagnet and described speed limit throttle valve body, the starting force transfer function.
Described speed limit throttle valve body comprises rolling disc, valve body at least and is used for fixing rolling disc and the axle of valve body, described rolling disc has two limiting stoppers, fix a fan-shaped cable quadrant above, the valve body suction port is provided with valve and is fixed on the axle, is provided with spring between rolling disc and valve body.
By appropriate design of the present utility model: this fork truck improves on the basis of original electronic fuel injection engine with electronic fuel injection engine, in this speed limiting device, electromagnet is installed in 15 places, engine air inlet tube side, a speed limit throttle valve body is installed on the primary throttle valve body, wire drawing is connected in electromagnet and speed limit throttle valve body, starting force transfer function.When engine speed surpasses certain speed, the ECU (Electrical Control Unit) speed probe sends signal, work of electromagnet, the pulling wire drawing, the wire drawing the other end links to each other with fan-shaped cable quadrant on the speed limit throttle valve body, drives the rotation of rolling disc, rotates thereby also drive the valve block that is fixed on the axle, control the size of air inflow by the size of valve block aperture, thereby reach the purpose of speed limit.
The improvement design that the utility model combines with speed limiting device by electronic fuel injection engine, simple in structure, be convenient to install, it (is that rotating speed is no more than 3000rpm that the power performance that had both satisfied the fork truck slow-speed of revolution, high moment of torsion requires, the 800rpm moment of torsion is not less than 95Nm), guarantee that again fork truck operates safely and reliably, control by ECU (Electrical Control Unit) simultaneously, make motor in each operation point, all can provide optimum Working, satisfy the requirement that engine noise is little, discharge amount is little.
Description of drawings
Below in conjunction with drawings and embodiments the present invention is described in further detail
Fig. 1 is the scheme of installation of speed limiting device on suction tude.
The structural drawing of Fig. 2 speed limit throttle valve body.
Embodiment
As shown in the figure, the technical solution of the utility model is as follows: this fork truck improves on the basis of original electronic fuel injection engine with electronic fuel injection engine, an electromagnet 5 is installed at 15 places, engine suction manifold 1 side, a speed limit throttle valve body 2 is installed between inlet manifold 1 and the primary throttle valve body 3, wire drawing 4 is connected in electromagnet 3 and speed limit throttle valve body 2, starting force transfer function.When engine speed surpasses certain speed, the ECU (Electrical Control Unit) speed probe sends signal, electromagnet 5 work, pulling wire drawing 4, wire drawing 4 the other ends link to each other with fan-shaped cable quadrant 10 on the speed limit throttle valve body 2, spring 7 one ends are fixed on the rolling disc 11, and the other end is fixed on the valve body 14, and lock-nut is fixed in rolling disc on the axle, the rotating band moving axis 9 of rolling disc 11 rotates, further drive the valve block 13 that is fixed on the valve body 14 and rotate limiting stopper 6, the rotation of 12 restriction rolling discs 11 can not be rotated after making rolling disc 11 forward several angle to, the size of valve body 14 suction port valve blocks 13 apertures is controlled by the size of rolling disc 11 rotation angles, valve block 13 apertures are big, and air inflow is big, the engine speed height, otherwise valve block 13 apertures are little, air inflow is little, and engine speed just decreases, and reaches the purpose of speed limit with this.And when motor was in low-speed running, electromagnet 5 was in closed condition.
Claims (2)
1, a kind of fork truck electronic fuel injection engine is characterized in that, increases a speed limiting device on engine suction manifold, and described speed limiting device comprises at least:
An electromagnet, it is used to respond the signal that the electronic control unit speed probe sends, and the action that unlatching takes place or close;
A speed limit throttle valve body is installed between inlet manifold and the primary throttle valve body, and it receives the power that described electromagnet transmits, to regulate the aperture of speed limit throttle valve body;
, a wire drawing connects described electromagnet and described speed limit throttle valve body, the starting force transfer function.
2, fork truck electronic fuel injection engine as claimed in claim 1, it is characterized in that described speed limit throttle valve body comprises rolling disc, valve body at least and is used to install the axle of rolling disc and valve body, described rolling disc has two limiting stoppers, fix a fan-shaped cable quadrant above, the valve body suction port is provided with valve and is fixed on the axle, is provided with spring between rolling disc and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092176 CN2723697Y (en) | 2004-09-04 | 2004-09-04 | Electric spray engine for fork lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092176 CN2723697Y (en) | 2004-09-04 | 2004-09-04 | Electric spray engine for fork lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2723697Y true CN2723697Y (en) | 2005-09-07 |
Family
ID=35037326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420092176 Expired - Fee Related CN2723697Y (en) | 2004-09-04 | 2004-09-04 | Electric spray engine for fork lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2723697Y (en) |
-
2004
- 2004-09-04 CN CN 200420092176 patent/CN2723697Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |