CN201661361U - Oil limiter mounting structure for general diesel engine - Google Patents
Oil limiter mounting structure for general diesel engine Download PDFInfo
- Publication number
- CN201661361U CN201661361U CN2010201359860U CN201020135986U CN201661361U CN 201661361 U CN201661361 U CN 201661361U CN 2010201359860 U CN2010201359860 U CN 2010201359860U CN 201020135986 U CN201020135986 U CN 201020135986U CN 201661361 U CN201661361 U CN 201661361U
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- oil
- speed
- regulating arm
- limit
- journal stirrup
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Abstract
The utility model relates to an oil limiter mounting structure for a general diesel engine, which comprises a crankcase body; wherein, the left side of the crankcase body is provided with a crank output end and the right side thereof is provided with a fan guard; the front panel of the crankcase body is provided with an accelerator handle and an oil limiter; the oil limiter includes a speed-regulating arm and an oil-limiting adjusting bolt assembly; the speed-regulating arm is hinged with the crankcase body through a pin and arranged under the accelerator handle; the speed-regulating arm has two lugs in rotation centering on the pin; one lug is a connecting lug which transversely extends towards the left and the other lug is an oil-limiting lug which extends up; the speed-regulating arm is connected with the accelerator handle through a spring; the oil-limiting adjusting bolt assembly is arranged at the right side of the speed-regulating arm; the oil-limiting adjusting bolt assembly is fixed on the crankcase by screw threads and corresponding to the oil-limiting lug of the speed-regulating arm. The mounting position of the oil limiter is changed, thus the oil limiter benefits for the regulating habit of the operating personnel and the potential safety hazard produced when the operating personnel is regulating the device is eliminated.
Description
Technical field
The utility model relates to the Small Universal diesel engine, is specifically related to a kind of fuel limit device mounting structure of multiple-purpose diesel motor.
Background technique
At present, the speed regulating mechanism of domestic diesel engine mainly contains two active forces, and the one, the torsion that the speed governing torsion spring that is spurred by external force produces, another is the centrifugal force that speed regulator produces, when having only these two power to reach balance, diesel engine could steady running.When diesel engine quickens suddenly, promptly when moving governor spring to the end suddenly under the idling mode, the elastic force of spring is far longer than centrifugal force, pump rack is in the big position of volume read-out, and fuel delivery strengthens suddenly, has substantially exceeded the amount of fuel that declared working condition needs, make fuel oil mix disequilibrium, diesel combustion is incomplete, and the black smoke of emerging influences the service behaviour of diesel engine.Equally, under declared working condition, if diesel load increases suddenly, when diesel engine speed descended rapidly, centrifugal force will significantly reduce, and pump rack moves to the direction that strengthens fuel delivery, black smoke can occur equally, influences the complete machine service behaviour of diesel engine.If the amount of movement of restriction fuel-flow control bar stops the Injection Pump overfueling, then particularly will be difficult to because of low on fuel start during cold start-up during diesel engine starting, even fail to start.Usually, for guaranteeing diesel engine in the slow-speed of revolution, fuel supply volume is stable under the operating mode of high load, all is provided with the maximum fuel quantity regulating device, promptly usually said fuel limit device.Present most fuel limit device all is mounted on the crankcase body 1, as Fig. 2, be hinged with speed-regulating arm 6 on the crankcase body, oil door handle 5, limit oil is regulated bolt combination 3, speed-regulating arm 6 is connected by spring 4 with oil door handle 5, limit oil is regulated bolt combination 3 and is positioned at crankshaft output end 2 sides, and be positioned at speed-regulating arm 6 left sides, this mounting structure makes difficulty of right-hand operated, must under the operating mode of diesel engine large load operation, regulate owing to described fuel limit device simultaneously, crankshaft output end lacks the necessary protection device, makes adjusting personnel's adjusting operation have sizable potential safety hazard.
Summary of the invention
The purpose of this utility model provides a kind of fuel limit device mounting structure of multiple-purpose diesel motor, and by changing the mounting point of fuel limit device, the adjusting that makes fuel limit device help operator is accustomed to, the potential safety hazard when elimination adjusting personnel regulate.
The purpose of this utility model is achieved in that the fuel limit device mounting structure of multiple-purpose diesel motor, comprise crankcase body, the crankcase body left side is provided with crankshaft output end, the right side is provided with fan guard, the crankcase body front panel is provided with oil door handle, one end of oil door handle is the operating end, the other end is a control end, the crankcase body front panel is provided with fuel limit device, described fuel limit device comprises speed-regulating arm, limit oil is regulated bolt combination, speed-regulating arm is hinged on the crankcase body by bearing pin and is positioned at the below of oil door handle, it is the journal stirrup that rotate at the center with the bearing pin that speed-regulating arm has two, one of them journal stirrup is the connection journal stirrup of horizontal expansion left, and another journal stirrup is the oily journal stirrup of upwardly extending limit, and speed-regulating arm is connected with oil door handle by a spring; Limit oil is regulated bolt combination and is positioned at the speed-regulating arm right side, and limit oil is regulated that bolt combination is fixed on the crankcase body by screw thread and is relative with the limit oil journal stirrup of speed-regulating arm.
The limit oil journal stirrup of described speed-regulating arm and limit oil are regulated has the gap of regulating the maximum fuel delivery of motor between the bolt combination.
Described limit oil is regulated the right side that bolt combination is positioned at the crankcase body front panel.
The control end of described oil door handle connects with the journal stirrup that is connected of speed-regulating arm by spring.
Owing to adopt technique scheme, by speed-regulating arm is installed on the crankcase body, and be positioned at the diesel engine of abundant protective equipment fan guard one side is arranged, in during low load, because oil door handle does not reach maximum, speed-regulating arm can not regulated bolt combination with limit oil and contact under the effect of spring and speed regulator, so time limit oil adjusting bolt combination is inoperative; When motor operates in the big load slow-speed of revolution, oil door handle reaches maximum position, this moment, speed-regulating arm clockwise rotated (fuel delivery increase) under the effect (opposite with the spring force direction) of spring and speed regulator, regulating bolt combination with limit oil contacts, limit oil is regulated bolt combination restriction speed-regulating arm and is rotated in the scope that requires, and plays the effect of restriction fuel oil increasing amount.Therefore; fuel limit device is to regulate operation under big load; the utility model is by changing the mounting point of fuel limit device; limit oil is regulated the side that bolt combination moves on to rotation protection device; the adjusting that makes fuel limit device help operator is accustomed to, the potential safety hazard when elimination adjusting personnel regulate.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the schematic representation of existing fuel limit device mounting structure.
In the accompanying drawing, 1 is crankcase body, and 2 is crankshaft output end, and 3 oil that exceed are regulated bolt combination, and 4 be spring, and 5 be oil door handle, and 5a is the operating end, and 5b is a control end, and 6 is speed-regulating arm, and 6a is the connection journal stirrup, the 6b oily journal stirrup that exceeds, and 7 is fan guard.
Embodiment
With reference to Fig. 1, the fuel limit device mounting structure of multiple-purpose diesel motor, comprise crankcase body 1, crankcase body 1 left side is provided with crankshaft output end 2, the right side is provided with fan guard 7, and crankcase body 1 front panel is provided with oil door handle 5, and oil door handle is hinged on the crankcase body, one end of described oil door handle 5 is operating end 5a, and the other end is control end 5b.Crankcase body 1 front panel is provided with fuel limit device, fuel limit device comprises speed-regulating arm 6, limit oil is regulated bolt combination 3, speed-regulating arm 6 is hinged on the crankcase body 1 by bearing pin and is positioned at the oil door handle below, it is the journal stirrup that rotate at the center with the bearing pin that speed-regulating arm 6 has two, one of them journal stirrup is the connection journal stirrup 6a of horizontal expansion left, connect journal stirrup 6a extending end and have several hanging holes, equidistantly be arranged in and connect on the journal stirrup, another journal stirrup of speed-regulating arm 6 is the oily journal stirrup 6b of upwardly extending limit, angle is 90～180 degree between connection journal stirrup 6a and the oily journal stirrup 6b of limit, fuel supply volume is controlled in rotation by speed-regulating arm 6, and speed-regulating arm 6 clockwise rotates, and fuel delivery increases.Speed-regulating arm 6 is connected with oil door handle 5 by a spring 4, the connection journal stirrup that is speed-regulating arm is connected with the control end 5b of oil door handle by spring, the control end 5b of oil door handle 5 also is provided with several hanging holes, spring 4 two ends are hung in the control end 5b of oil door handle and being connected on the journal stirrup 6a of speed-regulating rack, hang over as required in the different hanging holes.Limit oil is regulated bolt combination 3 and is positioned at speed-regulating arm 6 right sides, limit oil is regulated bolt combination 3 and is fixed on the crankcase body 1 by screw thread, and corresponding with the limit oil journal stirrup 6b of speed-regulating arm, the limit oil journal stirrup 6b of described speed-regulating arm 6 and limit oil are regulated has the gap of regulating the maximum fuel delivery of motor between the bolt combination 3.When in internal-combustion engine, hanging down load, limit oily journal stirrup and limit oil to regulate bolt combination 3 and step down, when speed-regulating arm 6 forwards maximum fuel delivery to, limit oily journal stirrup contact limit oil to regulate bolt combination 3 by the gap, it is spacing that limit oil is regulated 3 couples of oily journal stirrup 6b of limit of bolt combination, the maximum fuel delivery of control diesel engine.Described limit oil is regulated the right side that bolt combination 3 is positioned at crankcase body 1 front panel, makes limit oil regulate the side that bolt combination moves on to rotation protection device.
Diesel engine in during low load, because oil door handle does not reach maximum, speed-regulating arm can not regulated bolt combination with limit oil and contact under the effect of spring and speed regulator, so time limit velocity modulation joint bolt combination is inoperative, when motor operates in the big load slow-speed of revolution, oil door handle reaches maximum position, this moment, speed-regulating arm clockwise rotated (fuel delivery increase) under the effect (opposite with the spring force direction) of spring and speed regulator, regulating bolt combination with limit oil contacts, limit oil is regulated bolt combination restriction speed-regulating rack and is rotated in the scope that requires, and plays the effect of restriction fuel oil increasing amount.
Claims (4)
1. the fuel limit device mounting structure of a multiple-purpose diesel motor, comprise crankcase body, the crankcase body left side is provided with crankshaft output end, the right side is provided with fan guard, the crankcase body front panel is provided with oil door handle, one end of oil door handle is the operating end, the other end is a control end, it is characterized in that: the crankcase body front panel is provided with fuel limit device, described fuel limit device comprises speed-regulating arm, limit oil is regulated bolt combination, speed-regulating arm is hinged on the crankcase body by bearing pin and is positioned at the below of oil door handle, it is the journal stirrup that rotate at the center with the bearing pin that speed-regulating arm has two, one of them journal stirrup is the connection journal stirrup of horizontal expansion left, and another journal stirrup is the oily journal stirrup of upwardly extending limit, and speed-regulating arm is connected with oil door handle by a spring; Limit oil is regulated bolt combination and is positioned at the speed-regulating arm right side, and limit oil is regulated that bolt combination is fixed on the crankcase body by screw thread and is relative with the limit oil journal stirrup of speed-regulating arm.
2. the fuel limit device mounting structure of multiple-purpose diesel motor according to claim 1 is characterized in that: has the gap of regulating the maximum fuel delivery of motor between the limit oil journal stirrup of described speed-regulating arm and the limit oil adjusting bolt combination.
3. the fuel limit device mounting structure of multiple-purpose diesel motor according to claim 1 is characterized in that: the described right side of limitting oil adjusting bolt combination to be positioned at the crankcase body front panel.
4. the fuel limit device mounting structure of multiple-purpose diesel motor according to claim 1 is characterized in that: the control end of described oil door handle connects with the journal stirrup that is connected of speed-regulating arm by spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201359860U CN201661361U (en) | 2010-03-19 | 2010-03-19 | Oil limiter mounting structure for general diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201359860U CN201661361U (en) | 2010-03-19 | 2010-03-19 | Oil limiter mounting structure for general diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661361U true CN201661361U (en) | 2010-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201359860U Expired - Fee Related CN201661361U (en) | 2010-03-19 | 2010-03-19 | Oil limiter mounting structure for general diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134387A (en) * | 2015-09-25 | 2015-12-09 | 隆鑫通用动力股份有限公司 | Throttle control assembly |
-
2010
- 2010-03-19 CN CN2010201359860U patent/CN201661361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134387A (en) * | 2015-09-25 | 2015-12-09 | 隆鑫通用动力股份有限公司 | Throttle control assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20180319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |