CN104061078B - The arrangements for speed regulation of engine - Google Patents

The arrangements for speed regulation of engine Download PDF

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Publication number
CN104061078B
CN104061078B CN201410081666.4A CN201410081666A CN104061078B CN 104061078 B CN104061078 B CN 104061078B CN 201410081666 A CN201410081666 A CN 201410081666A CN 104061078 B CN104061078 B CN 104061078B
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spring
governor
control rod
speed control
engine
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CN104061078A (en
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梶原崇弘
川原稔
泉进刚
松本刚
江田悠也
岩崎信吉
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Kubota Corp
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Kubota Corp
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Abstract

The present invention provides a kind of arrangements for speed regulation of engine, can prevent following unfavorable condition:That is, during load increase under low-speed run state, the output deficiency of engine.The arrangements for speed regulation of the engine are configured to, governor arm links via governor spring and speed control rod linkage, governor force generating apparatus links with governor arm, governor arm is swung using the out-of-balance force between the governor spring power of governor spring and the governor power of governor force generating apparatus, pair with governor arm linkage connection fuel quantity adjustment portion be adjusted, when operation speed control rod makes engine stop, the governor spring compressed by the speed control rod pressing of swinging operation to engine stop position side, thus, direction pressing governor arm is reduced from governor spring to fuel quantity, fuel quantity adjustment portion is moved to no fuel supply position.

Description

The arrangements for speed regulation of engine
Technical field
The present invention relates to the arrangements for speed regulation of engine, specifically, relate to prevent negative under low-speed run state Carry the arrangements for speed regulation of the engine for this insufficient unfavorable condition of output that engine is generated when increasing.
Background technology
In the past, the arrangements for speed regulation as engine, there are devices as described below(For example, referring to patent document 1).
As shown in figure 12, a kind of arrangements for speed regulation of engine are configured to:Governor arm 103 via governor spring 102 with The linkage connection of speed control rod 101, governor force generating apparatus 104 link with governor arm 103, and governor arm 103 utilizes governor Out-of-balance force pendulum between the governor spring power 102a of spring 102 and the governor power 104a of governor force generating apparatus 104 Dynamic, pair fuel quantity adjustment portion 105 linked with the linkage of governor arm 103 is adjusted.
According to such arrangements for speed regulation, there are advantages below:That is, governor spring power 102a and governor power can be utilized Out-of-balance force between 104a easily carries out the speed governing of engine.
But in the prior art, as shown in Figure 12, when carrying out the engine stopping operation of speed control rod 101, adjust The engagement pin P of fast device bar 103 is pressed through speed control rod 101 of the swinging operation to 106 side of engine stop position, speed governing as a result, Device bar 103 reduces direction L pressings by speed control rod 101 to fuel quantity, and fuel quantity adjustment portion 105 is moved to no fuel supply position 107, therefore there are problems.
Patent document 1:2003-No. 269195 publications of Japanese Unexamined Patent Publication(With reference to Fig. 1).
Problem:During load increase under low-speed run state, there are engines to export insufficient situation.
As shown in Figure 12, when the fast bar 101 of operation makes engine stop, the engagement pin P of governor arm 103 is grasped by swinging The speed control rod 101 made to 106 side of engine stop position presses, and governor arm 103 is subtracted by speed control rod 101 to fuel quantity as a result, Few direction L pressings, fuel quantity adjustment portion 105 are moved to no fuel supply position 107, and accordingly, there exist situations below:That is, low During load increase under fast operating status, the engagement pin P for increasing R movements in direction to fuel quantity is contacted with speed control rod 101, governor The swing for increasing direction R to fuel quantity of bar 103 is interfered, and so as to which fuel quantity does not increase, deficiency occurs in engine output.
The content of the invention
The present invention provides a kind of arrangements for speed regulation of engine, can prevent following unfavorable condition:That is, in low-speed run state Under load increase when, engine output occur deficiency.
The technical characteristic of the invention of technical solution 1 is as follows.
Technical solution 1 is related to a kind of arrangements for speed regulation of engine, and as illustrated in Fig. 1, Fig. 9, governor arm 3 is via governor Spring 2 links with the linkage of speed control rod 1, and governor force generating apparatus 4 links with governor arm 3, and governor arm 3 utilizes governor bullet Out-of-balance force between the governor spring power 2a of spring 2 and the governor power 4a of governor force generating apparatus 4 is swung, pair and speed governing The fuel quantity adjustment portion 5 of the linkage connection of device bar 3 is adjusted, and the arrangements for speed regulation of the engine are characterized in that,
By Fig. 1, Fig. 9, when operation speed control rod 1 makes engine stop, by swinging operation to engine stop position The speed control rod 1 for putting 6 sides presses the governor spring 2 compressed, reduces direction L to fuel quantity from governor spring 2 as a result, and presses Governor arm 3 is pressed, fuel quantity adjustment portion 5 is moved to no fuel supply position 7.
The effect of invention
The invention of technical solution 1 is related to a kind of arrangements for speed regulation of engine, and governor arm 3 is via governor spring 2 with adjusting The fast linkage of bar 1 connection, governor force generating apparatus 4 link with governor arm 3, and governor arm 3 utilizes the speed governing of governor spring 2 Out-of-balance force between device spring force 2a and the governor power 4a of governor force generating apparatus 4 is swung, and pair is linked with governor arm 3 The fuel quantity adjustment portion 5 of connection is adjusted, and the arrangements for speed regulation of the engine are characterized in that,
When operation speed control rod 1 makes engine stop, pressed by the speed control rod 1 of swinging operation to 6 side of engine stop position The governor spring 2 compressed is pressed, reduces direction L pressing governor arms 3, fuel from governor spring 2 to fuel quantity as a result, Amount adjustment portion 5 is moved to no fuel supply position 7.
The invention of technical solution 1 has the following effects that.
Effect:There are the insufficient bad feelings of output of engine when can prevent the load under low-speed run state from increasing Condition.
By Fig. 1, Fig. 9, when operation speed control rod 1 makes engine stop, by swinging operation to engine stop position The speed control rod 1 for putting 6 sides presses the governor spring 2 compressed, reduces direction L to fuel quantity from governor spring 2 as a result, and presses Governor arm 3 is pressed, fuel quantity adjustment portion 5 is moved to no fuel supply position 7, and therefore, the load under low-speed run state increases Added-time can not interfere governor arm 3 to increase direction R to fuel quantity and swing, thus increase fuel quantity, prevent engine Export insufficient unfavorable condition.
The invention of technical solution 2 is related to the arrangements for speed regulation of engine as described in technical solution 1, which is characterized in that
Governor arm 3 is by the first bar 3a to link with governor force generating apparatus 4 and link with governor spring 2 second Bar 3b is formed, and the first bar 3a links with fuel quantity adjustment portion 5, and holding section is respectively arranged on the first bar 3a and the second bar 3b 3c, 3d,
When operation speed control rod 1 makes engine stop, holding section 3c, 3d are mutually clamped, and the first bar 3a is by by governor bullet The second bar 3b that spring 2 reduces L pressings in direction to fuel quantity is reduced direction L pressings via two holding sections 3c, 3d to fuel quantity,
Separation adjusting portion 3e is provided on one in two holding sections 3c, 3d, by the adjusting of separation adjusting portion 3e, Separating distance between the first bar 3a and the second bar 3b that holding section 3c, 3d are mutually clamped is adjusted.
The invention of technical solution 2 also has the following effects that in addition to the The effect of invention with technical solution 1.
Effect:The scale error of governor spring can be absorbed.
As illustrated in Fig. 1, Fig. 9, separation adjusting portion 3e is provided on one in two holding sections 3c, 3d, by dividing Adjusting from adjustment portion 3e, the separating distance between the first bar 3a and the second bar 3b that holding section 3c, 3d are mutually clamped are adjusted Section, therefore, even if governor spring 2 also can absorb the ruler there are scale error by the adjusting of separation adjusting portion 3e Very little error.
That is, when due to foozle etc., when governor spring 2 is too short, being increased using the adjusting of separation adjusting portion 3e Separating distance between the first bar 3a and the second bar 3b that holding section 3c, 3d are mutually clamped, and make to start in operation speed control rod 1 It when machine stops, being aligned so that fuel quantity adjustment portion 5 reaches no fuel supply position 7, so as to reliably be started Machine stops.
In addition, working as due to foozle etc., when governor spring 2 is long, can be subtracted using the adjusting of separation adjusting portion 3e Separating distance between the first bar 3a and the second bar 3b that small holding section 3c, 3d are mutually clamped, and make hair in operation speed control rod 1 When motivation stops, unfavorable condition that unwanted compression stress can be prevented to be applied on governor spring 2, wherein, governor bullet Spring 2 is being operated to the speed control rod 1 of engine stop position 6 and is stopping at the fuel quantity adjustment portion 5 on no fuel supply position 7 Between it is long.Therefore, it is possible to prevent that the damage of governor spring 2 and governor spring 2 are de- from speed control rod 1, governor arm 3 Fall.
The invention of technical solution 3 is related to the arrangements for speed regulation of engine as described in technical solution 2, which is characterized in that
Torque is provided between the first bar 3a and the second bar 3b increases device 8,
When carrying out overlond running, due to the reduction of governor power 4a, fuel limited part 9 stops the second bar 3b, the first bar The out-of-balance force that 3a is increased using torque between the spring force 8a of device 8 and governor power 4a is swung, and fuel quantity adjustment portion 5 is made to exist It overloads and movement is adjusted in incremental area 10, so that engine torque increases.
The invention of technical solution 3 also has the following effects that in addition to the The effect of invention with technical solution 2.
Effect:It can inhibit engine misses during overlond running.
By Fig. 1, Fig. 9, in overlond running, due to the reduction of governor power 4a, fuel limited part 9 stops second The out-of-balance force that bar 3b, the first bar 3a are increased using torque between the spring force 8a of device 8 and governor power 4a is swung, and makes fuel It measures adjustment portion 5 and adjusts movement in overload incremental area 10, so as to which engine torque increases, therefore, it is possible to inhibit overlond running When engine misses.
The invention of technical solution 4 is related to such as the arrangements for speed regulation of the engine any one of technical solution 1 to 3, spy Sign is,
The locking hook 2b of the one end of governor spring 2 snaps into the hook stop hole 1a of speed control rod 1,
When operation speed control rod 1 makes engine stop, by the inner peripheral surface 1b pressing locking hook 2b of hook stop hole 1a, so as to press Press governor spring 2.
The invention of technical solution 4 in addition to any The effect of invention, also has following effect in technical solution 1 to 3 Fruit.
Effect:Engine stop can reliably be carried out.
By Fig. 2 C, Fig. 2 D, Fig. 7 E, Figure 11, when operation speed control rod 1 makes engine stop, by hook stop hole 1a Inner peripheral surface 1b pressing locking hook 2b, so as to press governor spring 2, therefore, the engine stopping operation of speed control rod 1 is via hook The inner peripheral surface 1b of stop hole 1a is transferred to locking hook 2b exactly, and thus, it is possible to reliably carry out engine stop.
The invention of technical solution 5 is related to the arrangements for speed regulation of engine as described in technical solution 4, which is characterized in that
Governor spring 2 is made of the first spring 41 with second spring 42,
Bushing 43 is mounted on speed control rod 1, and the hook stop hole 1a of speed control rod 1, the first spring are provided on the bushing 43 41 locking hook 2b engages with hook stop hole 1a, and turning back with fastener 42a is formed in the one end of second spring 42 Portion 42b, reflex part 42b are slidably entrenched on bushing 43,
When operating the progress setting at a high speed of speed control rod 1, the locking hook 2b of the first spring 41 and the reflex part of second spring 42 The fastener 42a of 42b is engaged via bushing 43 to speed control rod 1, the first spring 41 and the governor spring power 2a of second spring 42 Governor arm 3 is applied to,
When operating the progress low speed setting of speed control rod 1, the only locking hook 2b of the first spring 41 is via the locking of bushing 43 to tune The governor spring power 2a of fast bar 1, only the first spring 41 is applied to governor arm 3,
When operation speed control rod 1 makes engine stop, the card of the first spring 41 is pressed by the inner peripheral surface 1b of hook stop hole 1a Only hook 2b, only the first spring 41 reduce direction L pressing governor arms 3 to fuel quantity.
The invention of technical solution 5 also has the following effects that in addition to the The effect of invention with technical solution 4.
Effect:Big low speed output can be obtained.
As illustrated in Fig. 2A~Fig. 2 D, governor spring 2 is made of the first spring 41 and second spring 42, therefore, with tune Fast device spring 2 is that the situation of a spring is compared, the spring of the governor spring 2 when can further reduce low speed setting operation Constant can obtain big low speed output.
Effect:Engine stop can reliably be carried out.
By Fig. 2 C, Fig. 2 D, when operation speed control rod 1 makes engine stop, by the inner peripheral surface 1b of hook stop hole 1a The locking hook 2b of the first spring 41 is pressed, only the first spring 41 reduces direction L pressing governor arms 3 to fuel quantity, therefore, even if In the case where governor spring 2 is made of the first spring 41 and second spring 42, the engine stopping operation of speed control rod 1 also passes through Locking hook 2b is transferred to by the inner peripheral surface 1b of hook stop hole 1a exactly, thus, it is possible to reliably carry out engine stop.
The invention of technical solution 6 is related to the arrangements for speed regulation of engine as described in technical solution 4, which is characterized in that
Governor spring 2 is made of the first spring 41 and second spring 42,
Hook stop hole 1a, the locking hook 2b of the first spring 41 and the hook stop hole 1a cards are formed through on speed control rod 1 It closes, is formed with the reflex part 42b with fastener 42a in the one end of second spring 42, reflex part 42b is formed as along speed governing The surface of bar 1 and the shape of turning back at the back side, and be slidably entrenched on speed control rod 1,
When operating the progress setting at a high speed of speed control rod 1, the locking hook 2b of the first spring 41 and the reflex part of second spring 42 The fastener 42a of 42b is engaged to speed control rod 1, and the first spring 41 and the governor spring power 2a of second spring 42 are applied to speed governing Device bar 3,
When operating speed control rod 1 and carrying out low speed setting, the locking hook 2b of only the first spring 41 is engaged to speed control rod 1, and only the The governor spring power 2a of one spring 41 is applied to governor arm 3,
When operation speed control rod 1 makes engine stop, the card of the first spring 41 is pressed by the inner peripheral surface 1b of hook stop hole 1a Only hook 2b only reduces direction L pressing governor arms 3 from the first spring 41 to fuel quantity.
Effect:Big low speed output can be obtained.
As illustrated in Fig. 7 A~Fig. 7 F, governor spring 2 is made of the first spring 41 and second spring 42, therefore, it is possible to Further reduce the spring constant of the governor spring 2 when carrying out low speed setting operation, big low speed output can be obtained.
Effect:Engine stop can reliably be carried out.
By Fig. 7 E, Fig. 7 F, when operation speed control rod 1 makes engine stop, by the inner peripheral surface 1b of hook stop hole 1a The locking hook 2b of the first spring 41 is pressed, only the first spring 41 reduces direction L pressing governor arms 3 to fuel quantity, therefore, even if In the case where governor spring 2 is made of the first spring 41 and second spring 42, the engine stopping operation of speed control rod 1 also can Enough inner peripheral surface 1b via hook stop hole 1a are transferred to locking hook 2b exactly, and thus, it is possible to reliably carry out engine stop.
The invention of technical solution 7 is related to such as the arrangements for speed regulation of the engine any one of technical solution 1 to 3, spy Sign is,
The stop ring 2d of the one end of governor spring 2 is entrenched on the locking pin 44 of speed control rod 1,
When operation speed control rod 1 makes engine stop, stop ring 2d is pressed by the circumferential surface 44a of locking pin 44, so as to speed governing Device spring 2 is depressed.
Effect:Engine stop can reliably be carried out.
By Fig. 8 G, Fig. 8 H, when operation speed control rod 1 makes engine stop, pressed by the circumferential surface 44a of locking pin 44 Stop ring 2d, so as to which governor spring 2 is depressed, therefore, the engine stopping operation of speed control rod 1 is via the week for engaging pin 44 Face 44a is transferred to stop ring 2d exactly, and thus, it is possible to reliably carry out engine stop.
The invention of technical solution 8 is related to the arrangements for speed regulation of engine as described in technical solution 7, which is characterized in that
Governor spring 2 is made of the first spring 41 and second spring 42,
Locking pin 44 is installed on speed control rod 1, being fitted together on locking pin 44 has the stop ring 2d of the first spring 41, the The one end of two springs 42 is formed with the reflex part 42b with fastener 42a, and reflex part 42b is slidably entrenched in card On shotpin 44,
When operating the progress setting at a high speed of speed control rod 1, the stop ring 2d of the first spring 41 and the reflex part of second spring 42 The fastener 42a of 42b is engaged via locking pin 44 to speed control rod 1, the first spring 41 and the governor spring power of second spring 42 2a is applied to governor arm 3,
Operate speed control rod 1 carry out low speed setting when, the only stop ring 2d of the first spring 41 via locking pin 44 engage to The governor spring power 2a of speed control rod 1, only the first spring 41 is applied to governor arm 3,
When operation speed control rod 1 makes engine stop, the stop ring of the first spring 41 is pressed by the circumferential surface 44a of locking pin 44 2d only reduces direction L pressing governor arms 3 from the first spring 41 to fuel quantity.
Effect:Big low speed output can be obtained.
As illustrated in Fig. 8 A~Fig. 8 H, governor spring 2 is made of the first spring 41 and second spring 42, therefore, with tune Fast device spring 2 is that the situation of a spring is compared, the spring of the governor spring 2 when can further reduce low speed setting operation Constant can obtain big low speed output.
Effect:Engine stop can reliably be carried out.
By Fig. 8 G~Fig. 8 H, when operating speed control rod 1 and making engine stop, by the circumferential surface pressing the of locking pin 44 The stop ring 2d of one spring 41 only reduces direction L pressing governor arms 3, therefore, even if adjusting from the first spring 41 to fuel quantity In the case that fast device spring 2 is made of the first spring 41 and second spring 42, the engine stopping operation of speed control rod 1 is also via card The circumferential surface 44a of shotpin 44 is transferred to the stop ring 2d of the first spring 41 exactly, and thus, it is possible to reliably carry out engine stop.
Description of the drawings
Fig. 1 is the schematic diagram of the arrangements for speed regulation of the diesel engine of the first embodiment of the present invention;
Fig. 2A to Fig. 2 D is that the speed control rod of the arrangements for speed regulation of Fig. 1 and the locking state of governor spring are illustrated Figure, wherein, top view when Fig. 2A is high speed setting operation, Fig. 2 B are the sectional views that cutting is carried out along the line B-B of Fig. 2A, are schemed Top view when 2C is low speed setting operation, Fig. 2 D are the sectional views that cutting is carried out along line D-D of Fig. 2 C;
Fig. 3 is the arrangements for speed regulation of Fig. 1 and its top view of peripheral portion;
Fig. 4 is the arrangements for speed regulation of Fig. 1 and its side view of peripheral portion;
Fig. 5 is the cross-sectional plan view of the diesel engine for the arrangements for speed regulation for having used Fig. 1;
Fig. 6 is the longitudinal cross-sectional side view of the diesel engine for the arrangements for speed regulation for having used Fig. 1;
Fig. 7 A to Fig. 7 F are the speed control rod and tune of the arrangements for speed regulation to the diesel engine of second embodiment of the present invention The figure that the locking state of fast device spring illustrates, wherein, top view when Fig. 7 A are high speed setting operations, Fig. 7 B are Fig. 7 A The sectional view of cutting is carried out along line B-B, Fig. 7 C are the C directions direction views of Fig. 7 A, and Fig. 7 D are the D directions direction views of Fig. 7 C, Fig. 7 E Top view when being low speed setting operation, Fig. 7 F are the F directions direction views of Fig. 7 E;
Fig. 8 A to Fig. 8 F are the speed control rod and tune of the arrangements for speed regulation to the diesel engine of third embodiment of the present invention The figure that the locking state of fast device spring illustrates, top view when Fig. 8 A are high speed setting operations, Fig. 8 B are the B directions of Fig. 8 A Direction view, Fig. 8 C are the sectional views that cutting is carried out along line C-C of Fig. 8 B, and Fig. 8 D are the cuing open along line D-D progress cutting of Fig. 8 B View, top view when Fig. 8 E are low speed setting operations, Fig. 8 F are the F directions direction views of Fig. 8 E, and Fig. 8 G are Fig. 8 E along G-G Line carries out the sectional view of cutting, and Fig. 8 H are the sectional views that cutting is carried out along H-H lines of Fig. 8 F;
Fig. 9 is the schematic diagram of the arrangements for speed regulation of the diesel engine of the 4th embodiment of the present invention;
Figure 10 is the arrangements for speed regulation of Fig. 9 and its top view of peripheral portion;
Figure 11 is the arrangements for speed regulation of Fig. 9 and its side view of peripheral portion;
Figure 12 be the prior art with the comparable figures of Fig. 1.
The explanation of reference numeral
1:Speed control rod;
1a:Hook stop hole;
1b:Inner peripheral surface;
2:Governor spring;
2a:Governor spring power;
2b:Engage hook;
2c:Engage hook;
2d:Stop ring;
3:Governor arm;
3a:First bar;
3b:Second bar;
3c:Holding section;
3d:Holding section;
3e:Separation adjusting portion;
4:Governor force generating apparatus;
4a:Governor power;
5:Fuel quantity adjustment portion;
6:Engine stop position;
7:Without fuel supply position;
8:Torque increases device;
8a:Spring force;
9:Fuel limited part;
10:Overload incremental area;
L:Fuel quantity reduces direction;
41:First spring;
42:Second spring;
42a:Fastener;
42b:Reflex part;
43:Bushing;
44:Locking pin;
44a:Circumferential surface;
45:Washer.
Specific embodiment
Fig. 1~Fig. 6 is the figure of the arrangements for speed regulation for the diesel engine for illustrating the first embodiment of the present invention, and Fig. 7 A extremely scheme 7F is the figure of the arrangements for speed regulation for the diesel engine for illustrating second embodiment, and Fig. 8 A to Fig. 8 F are to illustrate the 3rd embodiment The figure of the arrangements for speed regulation of diesel engine, Fig. 9~Figure 11 are the arrangements for speed regulation for the diesel engine for illustrating the 4th embodiment Figure, in various embodiments, illustrates for the arrangements for speed regulation of horizontal single cylinder diesel engine.
First, illustrated for first embodiment.
The summary of the engine is as follows.
As shown in fig. 6, it is observed along the direction parallel with crankshaft center axis 11, in cylinder 12 in crankshaft center axis 11 Under the horizontal certain observation posture of left side direction, spin balancer 14a, 14b are configured in the upper right of bent axle 13 and bottom right.Cylinder body 15 have crankcase 16, the oily reservoir 17 positioned at the lower section of crankcase 16, the cylinder sleeve mounting portion positioned at the left side of crankcase 16 18 and the cylinder seat around cylinder sleeve mounting portion 18(cylinder jacket)19.Cylinder cap is installed in the left end of cylinder body 15 20, cylinder head cover 21 on cylinder cap 20 is installed, on the top of cylinder body 15, is configured with what is connected with cylinder seat 19 in the top of cylinder seat 19 Radiator 22, and it is configured with fuel tank 23 in the top of crankcase 16.
As shown in fig. 6, cylinder 12, using there is the cylinder sleeve 12a on cylinder sleeve mounting portion 18, piston 24 is embedded in cylinder sleeve In 12a, bent axle 13 links via connecting rod 25 and the linkage of piston 24.In the lower-left of bent axle 13, gas is configured with below cylinder sleeve 12a Door camshaft 32.
As shown in figure 5, the front end in cylinder body 15 is equipped with gear-box 26, timing drive is accommodated in the gear-box 26 Gear 27 and arrangements for speed regulation 28.Flywheel 39 is configured in the rear end portion of cylinder body 15.
The summary of arrangements for speed regulation 28 is as follows.
As shown in Figure 1, governor arm 3 links via governor spring 2 and the linkage of speed control rod 1, governor force generating apparatus 4 It links with governor arm 3, governor arm 3 utilizes the governor spring power 2a of governor spring 2 and governor force generating apparatus 4 Out-of-balance force between governor power 4a is swung, and pair fuel quantity adjustment portion 5 linked with the linkage of governor arm 3 is adjusted.
As shown in figure 4, speed control rod 1 using pivot 33 it is swingable be supported on the roof 26a of gear-box 26.Speed governing Device spring 2 is extension spring, and is being provided at both ends with hook 2b, 2c, as shown in figure 3, the hook 2b, 2c respectively with speed control rod 1 The hook connecting hole 3f of hook stop hole 1a and governor arm 3 engages.As shown in figure 3, governor force generating apparatus 4 is by governor flyball 34 and governor sleeve 35 form, governor flyball 34 drives rotation by bent axle 13.As shown in Figure 3, Figure 4, fuel quantity adjustment portion 5 It is the rack pins of the fuel tune amount rack 36 of fuel-injection pump 29(rack pin)37.
As shown in Figure 1, when operation speed control rod 1 makes engine stop, by swinging operation to 6 side of engine stop position Speed control rod 1 press the governor spring 2 compressed, as a result, governor spring 2 to fuel quantity reduce direction L pressing speed governing Device bar 3, fuel quantity adjustment portion 5 are moved to no fuel supply position 7.Without fuel supply position 7 in the feelings for fuel-injection pump 29 Refer to not spray fuel position under condition.
Therefore, during load increase under Ultra-Low Speed operating status, governor arm 3 is not interfered to increase direction R to fuel quantity It swings, it becomes possible to increase fuel quantity, prevent engine and export insufficient unfavorable condition.Ultra-Low Speed operation refers to dally (idling)The low speed operation of speed or so.
As shown in Figure 1, governor arm 3 by the first bar 3a for linking with governor force generating apparatus 4 and with governor spring 2 Second bar 3b of connection is formed, and the first bar 3a links with fuel quantity adjustment portion 5, set respectively on the first bar 3a and the second bar 3b There are holding section 3c, 3d.
When operation speed control rod 1 makes engine stopping operation, holding section 3c, 3d are mutually clamped, and the first bar 3a is by by speed governing The second bar 3b that device spring 2 reduces L pressings in direction to fuel quantity is pressed via two holding sections 3c, 3d to fuel quantity reduction direction L Pressure.
In two holding sections 3c, 3d, separation adjusting portion 3e is provided on the holding section 3d of the second bar, and utilizes and divides The separating distance between holding section 3c, 3d the first bar 3a being mutually clamped and the second bar 3b is adjusted in adjusting from adjustment portion 3e Section.
As shown in figure 3, the first bar 3a and the second bar 3b utilizes 38 free swaying ground supporting of pivot on gear-box 26.Such as figure Shown in 1, separation adjusting portion 3e is provided in the threaded rod on the holding section 3d of the second bar 3b, with the tongue piece drawn from the second bar 3b 3g screw threads are fitted together to.It rises and employs spring 40 and engage to tongue piece 3g, when starting the engine, fuel quantity adjustment portion 5, which has utilized, employs bullet The spring force 40a of spring 40 and positioned at start incremental counter.
It is carried out in the following way using the separation adjusting portion 3e adjustings carried out.
As shown in Figure 1, the threaded rod is adjusted close to the holding section of the first bar 3a by threaded rod advance 3c can increase the separating distance between the first bar 3a and the second bar 3b that holding section 3c, 3d are mutually clamped, and by right Threaded rod, which retreat, to be adjusted so that holding section 3c of the threaded rod away from the first bar 3a, can be such that holding section 3c, 3d mutually blocks Separating distance between the first bar 3a and the second bar 3b that close reduces.
As shown in Figure 1, torque is provided between the first bar 3a and the second bar 3b increases device 8.
As shown in Figure 1, when carrying out overlond running, due to the reduction of governor power 4a, fuel limited part 9 stops second The out-of-balance force that bar 3b, the first bar 3a are increased using torque between the spring force 8a of device 8 and governor power 4a is swung, and makes fuel It measures adjustment portion 5 and movement, engine torque increase is adjusted in overload incremental area 10.
As shown in Figure 1, torque, which increases device 8, is installed on the second bar 3b, there is torque pin 30 and torsion spring 31, in part When load rotates at a high speed, increase to be pushed into device 8 to torque using the clamping force of governor power 4a and governor spring power 2a and turn round Square pin 30, the first bar 3a are integrally swung with the second bar 3b, moreover, from fig. 1, it can be seen that when as nominal load, fuel limits Part 9 stops the second bar 3b, and when as overload, torque pin 30 increases the spring force 8a and governor power 4a of device 8 using torque Between out-of-balance force by from torque increase device 8 released, the first bar 3a with the corresponding pendulum of the released amount of the torque pin 30 Momentum increases direction R to fuel quantity and swings, and fuel quantity adjustment portion 5 adjusts movement in overload incremental area 10, and fuel quantity increases And engine speed, close to speed at maximum torque, engine torque increases.
As shown in Fig. 2A~Fig. 2 D, the hook stop hole 1a cards of the locking hook 2b and speed control rod 1 of the one end of governor spring 2 It closes.
By Fig. 2 C, Fig. 2 D, when operation speed control rod 1 makes engine stop, by the inner peripheral surface 1b of hook stop hole 1a Pressing locking hook 2b, so as to press governor spring 2.
As shown in Fig. 2A~Fig. 2 D, governor spring 2 is made of the first spring 41 and second spring 42.
Bushing 43 is mounted on speed control rod 1, and the hook stop hole 1a of speed control rod 1, the first spring are provided on the bushing 43 41 locking hook 2b engages with hook stop hole 1a, and turning back with fastener 42a is formed in the one end of second spring 42 Portion 42b, reflex part 42b are slidably entrenched on bushing 43.
Reflex part 42b realizes anticreep using the flange part 43a and speed control rod 1 of bushing 43.
As shown in Fig. 2A, Fig. 2 B, when operating speed control rod 1 and set at a high speed, the locking hook 2b of the first spring 41 and the The fastener 42a of the reflex part 42b of two springs 42 is engaged via bushing 43 to speed control rod 1, the first spring 41 and second spring 42 Governor spring power 2a be applied to governor arm 3.
As shown in Fig. 2 C, Fig. 2 D, when operating the progress low speed setting of speed control rod 1, the locking hook 2b warps of only the first spring 41 It is engaged by bushing 43 to speed control rod 1, the governor spring power 2a of only the first spring 41 is applied to governor arm 3.
By Fig. 2 C, Fig. 2 D, when operation speed control rod 1 makes engine stop, by the inner peripheral surface 1b of hook stop hole 1a The locking hook 2b of the first spring 41 is pressed, only the first spring 41 reduces direction L pressing governor arms 3 to fuel quantity.
Next, it is illustrated for second embodiment.
As shown in Fig. 7 A~Fig. 7 F, governor spring 2 is made of the first spring 41 and second spring 42.
Hook stop hole 1a, the locking hook 2b of the first spring 41 and the hook stop hole 1a cards are formed through on speed control rod 1 It closes, is formed with the reflex part 42b with fastener 42a in the one end of second spring 42, reflex part 42b is formed as along speed governing The surface of bar 1 and the shape of turning back at the back side, and be slidably entrenched on speed control rod 1.
Reflex part 42b prevents coming off on vertical direction using speed control rod 1, and is prevented using a pair of of engagement pawl 1c, 1d Only coming off in the transverse direction vertical with glide direction.
As shown in Fig. 7 A~Fig. 7 D, when operating speed control rod 1 and set at a high speed, the locking hook 2b of the first spring 41 and the The fastener 42a of the reflex part 42b of two springs 42 is engaged to speed control rod 1, the first spring 41 and the governor bullet of second spring 42 Spring force 2a is applied to governor arm 3.
As shown in Fig. 7 E, Fig. 7 F, when operating the progress low speed setting of speed control rod 1, the locking hook 2b cards of only the first spring 41 Only to speed control rod 1, the governor spring power 2a of only the first spring 41 is applied to governor arm 3.
By Fig. 7 E, Fig. 7 F, when operation speed control rod 1 makes engine stop, by the inner peripheral surface 1b of hook stop hole 1a The locking hook 2b of the first spring 41 is pressed, only reduces direction L pressing governor arms 3 from the first spring 41 to fuel quantity.
Other structures, function are identical with first embodiment.
Next, it is illustrated for the 3rd embodiment.
As shown in Fig. 8 A~Fig. 8 H, the stop ring 2d of the one end of governor spring 2 is fitted together to the locking pin of speed control rod 1 44。
Pass through Fig. 8 G, Fig. 8 H, when operation speed control rod 1 makes engine stop, the circumferential surface 44a pressing cards of locking pin 44 Only ring 2d, governor spring 2 are depressed.
As shown in Fig. 8 A~Fig. 8 H, governor spring 2 is made of the first spring 41 and second spring 42.
As shown in Fig. 8 B~Fig. 8 D, Fig. 8 F~Fig. 8 H, locking pin 44 is installed on speed control rod 1, it is embedding on locking pin 44 Closing has the stop ring 2d of the first spring 41, and the reflex part 42b with fastener 42a is formed in the one end of second spring 42, Reflex part 42b is slidably entrenched on locking pin 44.
Stop ring 2d and reflex part 42b carries out anticreep using the washer 45 on locking pin 44 and speed control rod 1.
As shown in Fig. 8 B~Fig. 8 D, when operating speed control rod 1 and set at a high speed, the stop ring 2d of the first spring 41 and the The fastener 42a of the reflex part 42b of two springs 42 is engaged via locking pin 44 to speed control rod 1, the first spring 41 and second spring 42 governor spring power 2a is applied to governor arm 3.
As shown in Fig. 8 F~Fig. 8 H, when operating speed control rod 1 and carrying out low speed setting operation, the only stop ring of the first spring 41 2d is engaged via locking pin 44 to speed control rod 1, and the governor spring power 2a of only the first spring 41 is applied to governor arm 3.
By Fig. 8 G, Fig. 8 H, when operation speed control rod 1 makes engine stop, pressed by the circumferential surface 44a of locking pin 44 The stop ring 2d of first spring 41 only reduces direction L pressing governor arms 3 from the first spring 41 to fuel quantity.
Other structures, function are identical with first embodiment.
Next, it is illustrated for the 4th embodiment.
As shown in Fig. 9~Figure 11, except governor spring 2 is formed by one, hook locking is formed through on speed control rod 1 Outside the 1a of hole, there is 26S Proteasome Structure and Function identical with first embodiment.
In Fig. 9~Figure 11, the attached drawing mark identical with Fig. 1~Fig. 6 is marked for element identical with first embodiment Note.

Claims (7)

1. a kind of arrangements for speed regulation of engine, governor arm (3) links via governor spring (2) and speed control rod (1) linkage, adjusts Fast device force generating apparatus (4) and governor arm(3)Linkage, governor arm (3) utilize the governor spring power of governor spring (2) Out-of-balance force between the governor power (4a) of (2a) and governor force generating apparatus (4) is swung, and pair is linked with governor arm (3) The fuel quantity adjustment portion (5) of connection is adjusted, and the arrangements for speed regulation of the engine are characterized in that,
When operation speed control rod (1) makes engine stop, by the speed control rod (1) of swinging operation to engine stop position (6) side The governor spring (2) compressed is pressed, reduces direction (L) pressing governor from governor spring (2) to fuel quantity as a result, Bar (3), fuel quantity adjustment portion (5) are moved to no fuel supply position (7),
Governor arm (3) by the first bar (3a) for linking with governor force generating apparatus (4) and with governor spring (2) connection Second bar (3b) is formed, and the first bar (3a) links with fuel quantity adjustment portion (5), on the first bar (3a) and the second bar (3b) respectively Holding section (3c, 3d) is provided with,
When operation speed control rod (1) makes engine stop, holding section (3c, 3d) is mutually clamped, and the first bar (3a) is by by governor Spring (2) reduces second bar (3b) of direction (L) pressing via two holding sections (3c, 3d) to fuel quantity reduction side to fuel quantity It is pressed to (L),
Separation adjusting portion (3e) is provided on one in two holding sections (3c, 3d), passes through the tune of separation adjusting portion (3e) Section, the separating distance between the first bar (3a) and the second bar (3b) that holding section (3c, 3d) is mutually clamped are conditioned.
2. the arrangements for speed regulation of engine as described in claim 1, which is characterized in that
Torque is provided between the first bar (3a) and the second bar (3b) increases device (8),
When carrying out overlond running, due to the reduction of governor power (4a), the second bar (3b) is stopped by fuel limited part (9), the The out-of-balance force that one bar (3a) is increased using torque between the spring force (8a) of device (8) and governor power (4a) is swung, and makes combustion Doses adjustment portion (5) adjusts movement in overload incremental area (10), so that engine torque increases.
3. the arrangements for speed regulation of engine as claimed in claim 1 or 2, which is characterized in that
The locking hook (2b) of the one end of governor spring (2) snaps into the hook stop hole (1a) of speed control rod (1),
When operation speed control rod (1) makes engine stop, hook (2b) is engaged by inner peripheral surface (1b) pressing of hook stop hole (1a), from And press governor spring (2).
4. the arrangements for speed regulation of engine as claimed in claim 3, which is characterized in that
Governor spring (2) is made of the first spring (41) with second spring 42,
Bushing (43) is mounted on speed control rod (1), and the hook stop hole (1a) of speed control rod (1) is provided on the bushing (43), the The locking hook (2b) of one spring (41) engages with the hook stop hole (1a), is formed in the one end of second spring (42) with card The reflex part (42b) of stop (42a), the reflex part (42b) are slidably entrenched on bushing (43),
When operating speed control rod (1) progress setting at a high speed, the locking hook (2b) of the first spring (41) and the folding of second spring (42) The fastener (42a) for returning portion (42b) is engaged via bushing (43) to speed control rod (1), the first spring (41) and second spring (42) Governor spring power (2a) be applied to governor arm (3),
When operating speed control rod (1) progress low speed setting, the locking hook (2b) of only the first spring (41) is engaged via bushing (43) To speed control rod (1), the governor spring power 2a of only the first spring (41) is applied to governor arm (3),
When operation speed control rod (1) makes engine stop, the first spring (41) is pressed by the inner peripheral surface (1b) of hook stop hole (1a) Locking hook (2b), only the first spring (41) to fuel quantity reduce direction (L) pressing governor arm (3).
5. the arrangements for speed regulation of engine as claimed in claim 3, which is characterized in that
Governor spring (2) is made of the first spring (41) and second spring (42),
Hook stop hole (1a), locking hook (2b) and the hook stop hole of the first spring (41) are formed through on speed control rod (1) (1a) engages, and the reflex part (42b) with fastener (42a), the reflex part are formed in the one end of second spring (42) (42b) is formed as the shape of turning back along the surface of speed control rod (1) and the back side, and is slidably entrenched on speed control rod (1),
When operating speed control rod (1) progress setting at a high speed, the locking hook (2b) of the first spring (41) and the folding of second spring (42) The fastener (42a) for returning portion (42b) is engaged to speed control rod (1), the first spring (41) and the governor spring power of second spring 42 (2a) is applied to governor arm (3),
When operating speed control rod (1) and carrying out low speed setting, the locking hook 2b of only the first spring (41) is engaged to speed control rod (1), only The governor spring power (2a) of first spring (41) is applied to governor arm (3),
When operation speed control rod (1) makes engine stop, the first spring (41) is pressed by the inner peripheral surface (1b) of hook stop hole (1a) Locking hook (2b), only from the first spring (41) to fuel quantity reduce direction (L) pressing governor arm (3).
6. the arrangements for speed regulation of engine as claimed in claim 1 or 2, which is characterized in that
The stop ring (2d) of the one end of governor spring (2) is entrenched on the locking pin (44) of speed control rod (1),
When operation speed control rod (1) makes engine stop, by circumferential surface (44a) the pressing stop ring (2d) of locking pin (44), thus Governor spring (2) is depressed.
7. the arrangements for speed regulation of engine as claimed in claim 6, which is characterized in that
Governor spring (2) is made of the first spring (41) and second spring (42),
Locking pin (44) on speed control rod (1) is installed, the stop ring for there are the first spring (41) is fitted together on locking pin (44) (2d) is formed with the reflex part (42b) with fastener (42a) in the one end of second spring (42), and the reflex part (42b) is certainly By being slidably entrenched on locking pin (44),
When operating speed control rod (1) progress setting at a high speed, the stop ring (2d) of the first spring (41) and the folding of second spring (42) The fastener (42a) of portion (42b) is returned via locking pin (44) locking to speed control rod (1), the first spring (41) and second spring (42) governor spring power (2a) is applied to governor arm (3),
When operating speed control rod (1) progress low speed setting, the stop ring (2d) of only the first spring (41) is via locking pin (44) card Only to speed control rod (1), the governor spring power (2a) of only the first spring (41) is applied to governor arm (3),
When operation speed control rod (1) makes engine stop, the card of the first spring (41) is pressed by the circumferential surface (44a) of locking pin (44) Only ring (2d) only reduces direction (L) pressing governor arm (3) from the first spring (41) to fuel quantity.
CN201410081666.4A 2013-03-21 2014-03-07 The arrangements for speed regulation of engine Active CN104061078B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2013-058200 2013-03-21
JP2013058200 2013-03-21
JP2014021414A JP6282476B2 (en) 2013-03-21 2014-02-06 Engine governor
JP2014-021414 2014-02-06

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CN104061078A CN104061078A (en) 2014-09-24
CN104061078B true CN104061078B (en) 2018-05-18

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58222936A (en) * 1982-06-21 1983-12-24 Yanmar Diesel Engine Co Ltd Speed governor for internal combustion engine
JP3523599B2 (en) * 2001-01-26 2004-04-26 株式会社クボタ Centrifugal governor for diesel engine
JP3881918B2 (en) * 2002-03-15 2007-02-14 株式会社クボタ Centrifugal governor of diesel engine
CN1311149C (en) * 2002-03-15 2007-04-18 株式会社久保田 Centrifugal governor for transverse diesel motor
JP4164464B2 (en) * 2004-03-24 2008-10-15 株式会社クボタ Horizontal diesel engine

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